HomeMy WebLinkAboutShoreline Monitoring Southold Town Line to Horton Point 1998 a
SHORELINE MONITORING
SOUTHOLD TOWN LINE TO HORTON POINT
Spring 1998
Final Report
31 October 1998
•
Prepared for
Town of Southold
Town Hall
53095 Main Road
P.O. Box 1179
Southold, New York 11971
Submitted by
OFFSHORE & COASTAL TECHNOLOGIES, INC. - EAST COAST
500 Spencer Road
Avondale, Pennsylvania 19311
Tel: (610) 268-0410 Fax: (610) 268-0421
OFFSHORE & COASTAL TECHNOLOGIES, INC. - EAST COAST
4110 Engineering for the Marine Environment
500 Spencer Road
Avondale, Pennsylvania 19311
Tel: (610) 268-0410 Fax: (610) 268-0421
Shoreline Monitoring
Southold Town Line to Horton Point
March 1998
1. Monumentation 1
2. Annual Transect Survey 16
3. Bathymetric Survey of Mattituck Region 16
4. Aerial Photography 18
• 5. Beach Morphology 18
• OFFSHORE & COASTAL TECHNOLOGIES, INC. - EAST COAST
Engineering for the Marine Environment
500 Spencer Road
Avondale, Pennsylvania 19311
Tel: (610) 268-0410 Fax: (610) 268-0421
Shoreline Monitoring
Southold Town Line to Horton Point
March 1998
1. Monumentation
1.1 Monument Locations
Monuments were established along the shoreline for conducting profile surveys in February
and March of 1998. The shoreline was broken into four reaches for purposes profile notation. Reach
A runs from the west side of Mattituck Inlet to the town line; Reach C runs from the east side of
Mattituck Inlet to Duck Pond Point; Reach E runs from Duck Pond Point to the west side of
Goldsmith Inlet, and Reach F runs from the east side of Goldsmith Inlet to Horton Point (reach
designations of B and D were not used due to modifications to the nomenclature after reach layout had
began). Each profile was defined according to two monuments placed in line with the profile
azimuth. The azimuth was established perpendicular to an average shoreline orientation over an entire
reach, except for previously-defined profiles which had been previously placed approximately
perpendicular to the Iocal shoreline by the New York State Department of State. The newly-
established profiles were kept perpendicular to the average shoreline orientation to keep profile lines
from crossing offshore and to keep the profiles approximately perpendicular to the offshore contours.
The beach profiles were required to be established according to some general guidelines as
follows. Beginning at Mattituck Inlet, one profile was established about 100 feet west of the western
jetty and additional profiles were established about every 500 feet for 4000 feet to the west, after
which profiles were established about every 1000 feet to the west to the town line. Another profile
was established 100 feet east of the eastern jetty at Mattituck Inlet, with additional profiles located
every 500 feet for 5500 feet to the east, after which profiles were established every 1000 feet for 9000
feet to Duck Pond Point. From Duck Pond Point to Horton Point, profiles were located every 1000
feet beginning at Duck Pond Point for a distance of 12000 feet east to near Peconic. Profiles were
then located at 500 foot spacing from Peconic for a distance of 12500 feet eastward to the east side of
McCabe's Beach. Two additional profiles were located at 1000 foot spacing east to Horton Point.
The general guidelines for longshore spacing between were adjusted in the field to avoid
stairways where residents are likely to walk, keep monuments between buildings and on property lines
were possible, and to incorporate fifteen pre-existing monuments established by the Department of
State into the monument spacing pattern. The following table presents the locations of the primary
profile monuments, which are used as the origin points for beach profiles and any two-dimensional
plots. This is the reference location to which all future profiles should be referenced so that future
• 1
1111
profiles can be accurately compared with past profiles, even if missing profile monuments are replaced
in a slightly different location.
Table 1.1 PROFILE ORIGIN LOCATIONS (NAD83, LONG ISLAND LAMBERT)
PROFILE NORTHING EASTING AZIMUTH
Al 311950.21 1381622.65 325
A2 311587.73 1381278.86 325
A3 311216.43 1381003.03 325
A4 310764.49 1380718.13 325
A5 310388.75 1380405.25 325
A6 309985.89 1380076.57 325
A7 309618.75 1379735.03 325
A8 309284.52 1379357.69 325
1111 A9 308960.46 1378965.51 325
A10 308336.47 1378167.67 325
All 307689.75 1377397.63 325
Al2 307086.10 1376588.81 325
A13 306498.55 1375767.70 325
A14 305939.84 1374923.93 325
A15 305430.43 1373971.24 325
A16 304965.61 1373125.11 325
Cl 311965.68 1382353.75 320
C2 312182.28 1382804.33 320
C3 312489.95 1383205.33 320
C4 312883.12 1383540.49 320
C5 313268.81 1383870.79 320
C6 313695.59 1384230.66 320
C7 314034.52 1384526.10 320
1111 2
• C8 314307.53 1384901.02 320
C9 314622.16 1385343.78 320
C10 314958.88 1385739. 80 320
C11 315352.44 1386032.91 320
C12 315690.91 1386400.47 320
C13 316424.14 1387200.85 320
C14 317095.57 1387962.52 320
C15 317687.67 1388639.30 320
C16 318349.42 1389389.02 320
C17 319056.69 1390097.56 320
C18 319657.97 1390902.16 320
C19 320264.50 1391747.69 320
,
C20 320791.64 1392366.49 320
El 321581.39 1393234.24 336
E2 321607.64 1394233.79 336
E3 321925.12 1395204.34 336
• E4 322349.13 1396169.70 336
E5 322955.24 1397099.04 336
E6 323430.90 1398050.48 336
E7 323728.12 1398837.27 336
E8 324262.07 1399700.60 336
E9 324882.89 1400521.35 336
El0 325067.43 1401180.44 336
Ell 325426.59 1402466.11 336
E12 325704.55 1403301.59 336
E13 326126.04 1404149.29 336
E14 326781.30 1404595.64 336
E15 327112.83 1404797.76 336
Fl 327362.58 1405548.81 304
F2 327661.64 1405814.66 304
F3 327987.45 1406048.59 304
1111 3
4111 F4 328309.60 1406291.80 304
F5 328640.49 1406596.47 304
F6 329055.60 1406874.75 304
F7 329377.57 1407117.58 304
F8 329817.95 1407439.92 304
F9 330045.81 1407741.81 304
F10 330400.36 1407983.57 304
F11 330726.65 1408313.57 304
F12 331113.96 1408542.60 304
F13 331482.01 1408791.20 304
F14 331847.39 1408928.95 304
F15 332177.91 1409142.96 304
F16 332502.13 1409389.32 304
F17 332924.64 1409569.09 304
F18 333335.70 1409961.31 304
F19 333732.05 1410175.74 304
410 F20 333924.90 1410292.00 304
F21 334342.49 1410521.07 304
F22 334701.80 1410711.31 304
F23 335093.89 1410937.73 304
F24 335387.61 1411071.43 304
F25 335731.24 1411273.82 304
F26 336030.45 1411367.38 304
F27 336401.48 1411556.16 304
F28 337352.18 1411866.43 304
F29 338277.73 1412190.11 304
1.2 Monument Placement Methodology
Monuments were placed in pairs to establish the profile azimuth. A from(primary) monument
was placed low on the profile at a location that would be convenient for survey instrument operation,
yet high enough(when possible)to be above the intertidal zone. A rear (azimuth point) monument
was placed landward of the front monument to establish the azimuth of the profile and to provide a
• 4
• backsite (reference)elevation for surveying the profile. This monument was usually as far as possible
landward of the front monument in a relatively stable, yet visible location, e.g., at the top of the bluff
or well behind the dune. In many locations with bluffs it was not possible to place the azimuth point
on the top of the bluff, either due to visibility difficulties or access and safety considerations. In these
cases the azimuth point was placed on the slope of the bluff as high as possible.
Monuments consisted of either 6' long steel garden fence stakes buried approximately 4' into
the earth, generally placed in areas with rocky beaches, or wooden hubs with fiberglass witness posts,
generally placed in areas with sand dunes.
To enhance the rationale for establishing the location of profiles and to facilitate the recovery
of profile control in the future, the following descriptions are provided.
Al Profile Al was set approximately 100 feet west of the western jetty at Mattituck Inlet. The
monument is a PK nail in the second guard rail post from the east end of the public parking lot
at the west side of Mattituck Inlet. The azimuth point is a PK nail in the pavement
approximately 3 feet in front of the guard rail at the back of the parking lot.
A2 Profile A2 was set approximately 500 feet west of Al, and approximately 100 feet west of the
west end of the parking lot. The monument is a wooden stake with a witness post set in the
grass on the dune. The azimuth point is a wooden stake with witness post set back in the grass
behind the dune.
111
A3 Profile A3 was set approximately 970 feet west of Al, in front of the first house to the west of
Mattituck Inlet. The line was offset 30 feet east to avoid a path to the beach. The monument
is a wooden stake with witness post in the grass about 15 feet behind the dune line. The
azimuth point is a wooden stake with witness post set back in the grass.
A4 Profile A4 was set 1500 feet west of Al, on a property line with a wooden stockade fence.
Monument is wooden stake with witness post in grass. Azimuth point is wooden stake with
witness post back in grass.
A5 Profile AS was set 2000 feet west of Al, approximately 5 feet east of a wooden bulkhead
between two homes. The monument is a wooden stake with witness post on the front edge of
the grass. The azimuth point is a nail in the most landward bulkhead piling on the east edge of
the bulkhead.
A6 Profile A6 was set 2500 feet west of Al, approximately 150 feet west of the last house on the
beach. The monument is a wooden stake with witness post in grass approximately 5 feet
behind the dune line. The azimuth point is a wooden stake with witness post in from of the
brush.
A7 Profile A7 was set 3000 feet west of Al. The monument is a metal fence stake in the grass
about 25 feet seaward of the toe of the bluff. The azimuth is a metal fence stake at the toe of
bluff.
A8 Profile A8 was set 3500 feet west of Al. The monument is a metal fence stake 20 feet from
• 5
Stoe of bluff. The azimuth is a metal fence stake at the toe of bluff.
A9 Profile A9 was set 4000 feet west of Al. The monument is a metal fence stake in a pebble
beach 15 feet from the toe of bluff. The azimuth is a metal fence stake about 10 feet up the
slope.
A10 Profile A10 was set 5000 feet west of Al. The monument is a metal fence stake at the east
end of a large bare earth slope, about 15 feet from toe of bluff. The azimuth is a metal fence
stake 15 feet up the bluff.
All Profile Al 1 was set 6000 feet west of Al. The monument is a metal fence stake at toe of
bluff. The azimuth is a metal fence stake 20 feet up the bluff.
Al2 Profile Al2 was set 7000 feet west of Al. The monument is a metal fence stake 15 feet from
toe of bluff. The azimuth is a metal fence stake 15 feet up the bluff.
A 13 Profile Al3 was set 8000 feet west of A l. The monument is a metal fence stake 6 feet from
toe of bluff. The azimuth is a metal fence stake 20 feet up the bluff.
A14 Profile A14 was set 9000 feet west of Al. The monument is a metal fence stake 20 feet from
toe of bluff. The azimuth is a metal fence stake at toe of bluff.
A15 Profile Al5 was set approximately 10,000 feet west of Al, moved slightly west to avoid a
• stairway. The monument is a metal fence stake at toe of bluff. The azimuth is a metal fence
stake up the bluff.
Al6 Profile A16 was set 11,000 feet west of Al. The monument is a metal fence stake at toe of
bluff. The azimuth is a metal fence stake up a small gully filled with briars, hidden by
vegetation in the summer.
Cl Profile Cl was set approximately 100 feet east of the easterly jetty at Mattituck Inlet. The
monument is a wooden stake with witness post on the dune. The azimuth is a wspw behind
the dune.
C2 Profile C2 was set 500 feet east of Cl. The monument is a wooden stake with witness post on
the dune crest. The azimuth is a wooden stake with witness post on the second dune crest.
C3 Profile C3 was set 1000 feet east of Cl. The monument is a wooden stake with witness post
on a steep dune crest. The azimuth is a wooden stake with witness post in front of brush.
C4 Profile C4 was set 1500 feet east of Cl, about 250 feet west of the Balie Beach Road parking
area. The monument is a wooden stake with witness post set at the toe of the dune in beach
grass. The azimuth is a wooden stake with witness post in front of brush.
CS Profile C5 was set 2000 feet east of Cl, about 200 feet east of the Balie Beach Road parking
area. The monument is a metal fence stake behind a bulkhead. The azimuth is a wooden stake
with witness post up the bank.
110 6
• C6 Profile C6 was set 2500 feet east of Cl, offset slightly east to avoid a stairway. The
monument is a metal fence stake 8 feet from toe of bluff. The azimuth is a wooden stake with
witness post up the bluff.
C7 Profile C7 was set 3000 feet east of Cl. The monument is a metal fence stake 10 feet from toe
of bluff. The azimuth is a wooden stake with witness post slightly up the bluff.
C8 Profile C8 was set 3500 feet east of Cl, offset slightly to the west to avoid a damaged
stairway. The monument is a tack in the most landward piling of the more westerly of two
bulkhead returns, behind a short section of bulkhead joining two separate bulkheads. The
azimuth is a wooden stake with witness post up the slope.
C9 Profile C9 was set 4000 feet east of Cl. The original monument was a metal fence stake set
on the beach between two bulkheads in front of a bare bluff. During the Spring 1998 survey
the metal fence stake was found to have been removed. A secondary monument was placed
west of the origin point, consisting of a nail in the piling at the east end of the more westerly
of the two bulkheads. The azimuth point is a metal fence stake slightly up the bluff.
C10 Profile C10 was set 4500 feet east of Cl, about 20 feet east of the most easterly bulkhead in
this stretch of beach, about 100 feet west of a gully running down to the beach. The
monument is a metal fence stake 10 feet from the toe of bluff. The azimuth is a wooden stake
with witness post 15 feet up the bluff.
C11 Profile Cl i was set 5000 feet east of Cl, at a small point covered with concrete rubble. The
monument is a metal fence stake set at the base of the bluff by a large boulder. The azimuth is
a metal fence stake up the bluff in grass.
C12 Profile C12 was set 5500 feet east of Cl, about 200 feet east of a bulkhead and stairs. The
monument is a metal fence stake at the toe of bluff. The azimuth is a metal fence stake up the
bluff.
C13 Profile C13 was set 6500 feet east of Cl, offset about 100 feet to the east to avoid stairs and a
boulder. The monument is a metal fence stake at the toe of bluff. The azimuth is a metal
fence stake up the bluff.
C14 Profile C14 was set 7500 feet east of Cl, offset about 100 feet to the east to avoid a set of
stairs. The monument is a metal fence stake at the toe of bluff. The azimuth is a metal fence
stake up the bluff.
C15 Profile C15 was set 8500 feet east of Cl. The monument is a metal fence stake 15 feet from
toe of bluff. The azimuth is a metal fence stake up the bluff.
C16 Profile C16 was set 9500 feet east of Cl, about 100 feet west of a cut in the bluff. The
monument is a metal fence stake 15 feet from toe of bluff. The azimuth is a metal fence stake
up the bluff.
C17 Profile C17 was set 10,500 feet east of Cl. The monument is a metal fence stake 15 feet from
111 7
• toe of bluff. The azimuth is a metal fence stake at toe of bluff.
C18 Profile C18 was set 11,500 feet east of Cl. The monument is a metal fence stake 25 feet from
toe of bluff. The azimuth is a metal fence stake at toe of bluff.
C19 Profile C19 was set 12,500 feet east of Cl, offset about 50 feet to the east to avoid a stairway.
The monument is a metal fence stake about 6 feet seaward of a bulkhead. The azimuth is a
metal fence stake landward of the bulkhead.
C20 Profile C20 was set about 13,300 feet east of Cl, offset about 200 feet to the west to avoid the
motel at the end of Duck Pond Road. The line is set along the easterly side of the roadway
leading to the beach adjacent to the motel. The monument is a metal fence stake just seaward
of a guardrail. The azimuth is a metal fence stake set between the road and the motel.
El Profile El is at Profile 1 Old, about 1000 feet to the east of Duck Pond Road, at the second of
two bulkheads. The monument is a metal fence stake seaward of the bulkhead. The azimuth
is a metal fence stake behind the bulkhead.
E2 Profile E2 was set 1000 feet east of El. The monument is a metal fence stake 15 feet from toe
of bluff. The azimuth is a metal fence stake up the bluff.
E3 Profile E3 was set 2000 feet east of El, in front of a bulkhead with extensive terracing on the
bluff. The monument is a metal fence stake on the beach. The azimuth is a metal fence stake
on the third terrace.
• E4 Profile E4 was set 3000 feet east of El, offset slightly east to avoid a slide area of the bluff.
The monument is a metal fence stake 10 feet from toe of bluff. The azimuth is a metal fence
stake up the bluff.
E5 Profile E5 was set 4000 feet east of El, landward of a bulkhead between two stairways. The
monument is a wooden stake with witness post. The azimuth is a wooden stake with witness
post above bushes on the bluff.
E6 Profile E6 was set 5000 feet east of El, offset just to the east of a small bulkhead. The
monument is a metal fence stake 8 feet from toe of bluff. The azimuth is a metal fence stake
up the bluff.
E7 Profile E7 was set 6000 feet east of El. The monument is a metal fence stake 4 feet from toe
of bluff. The azimuth is a metal fence stake up the bluff.
E8 Profile E8 was set 7000 feet east of El. The monument is a metal fence stake 8 feet from toe
of bluff. The azimuth is a wooden stake with witness post up the bluff.
E9 Profile E9 was set 8000 feet from El. The monument is a metal fence stake near toe of bluff.
The azimuth is a metal fence stake up the bluff.
El0 Profile E10 coincides with Profile 2 Old, located about 8680 feet from El, near the middle of
• 8
• three wooden stairways up the bluff. The monument is a new metal fence stake set adjacent to
the 2 Old metal fence stake, which was found bent over on the.beach. The azimuth point is the
2 Old metal fence stake on top of the bluff.
El I Profile El 1 was set 10,000 feet from E l. The monument and azimuth are metal fence stake.
E12 Profile E12 was set 10,900 feet from El, adjusted to the west to avoid a stairway. The
monument and azimuth are metal fence stake.
E13 Profile E13 coincides with Profile 3 Old. The monuments are the 3 Old metal fence stake on
the beach.
E14 Profile E14 coincides with Profile 4 Old. The 4 Old monuments were not recovered. The
E14 monument and azimuth were set near the site of the 4 Old profile, consisting of wooden
stake with witness post.
E15 Profile E15 coincides with Profile 5 Old,just to the west of Goldsmith Inlet. The E15
monument consists of a metal fence stake set adjacent to the 5 Old metal fence stake, which
was found bent over. The azimuth is the 5 Old azimuth metal fence stake.
F1 Profile Fl coincides with 6 Old,just to the east of Goldsmith Inlet. The monument and
azimuth points are the original 6 Old metal fence stake.
• F2 Profile F2 was placed 400 feet east of Fl, in order to fit two monuments between 6 Old (F1)
and 7 Old (F4). The monument and azimuth are metal fence stake in light brush on the dune.
F3 Profile F3 was place 800 feet east of F 1. The monument and azimuth are metal fence stake in
dune grass in front of the dune covered with shrubs.
F4 Profile F4 coincides with 7 Old, approximately 1200 feet east of F 1. The monument and
azimuth are the original 7 Old metal fence stake.
F5 Profile F5 was set about 450 feet east of F4, in order to fit five monument evenly between 7
Old and 8 Old. Monument and azimuth are metal fence stake.
F6 Profile F6 was set 947 feet east of F4, offset to the east of the easterly of two beach cottages.
The monument and azimuth are metal fence stake set in the grass in front of the dune.
F7 Profile F7 was set 1350 feet east of F4, about 250 feet west of the house with large groin and
bulkhead. The monument and azimuth are metal fence stake in the dune.
F8 Profile F8 was set about 1900 feet from F4, offset to the east to avoid the house with large
groin and bulkhead. The monument is a metal fence stake in the grass in front of the dune.
The azimuth is a metal fence stake in the brush on the dune.
F9 Profile F9 was set 2250 feet from F4. The monument and azimuth are metal fence stake on
• the dune in brush.
9
• F10 Profile F10 coincides with 8 Old. The monument and azimuth are the original 8 Old metal
fence stake.
Fl 1 Profile Fl 1 was set 450 feet east of F10, in order to space three profiles evenly between 8 Old
(F10) and 9 Old (F14). The monument is a metal fence stake about 20 feet behind the dune
line. The azimuth is a metal fence stake set back in the dune.
F12 Profile F12 was set 900 feet east of F10. The monument and azimuth are metal fence stake set
back in the dune in brush.
F13 Profile F12 was set 1350 feet east of F10, approximately 50 feet east of the access road from
the environmental camp to the beach. The monument and azimuth are metal fence stake set
back in the dune in brush.
F14 Profile F14 coincides with 9 Old. The monument and azimuth are the original 9 Old metal
fence stake, set about 8 feet apart above a bulkhead, approximately 60 feet east of the western
end of the bulkhead.
F15 Profile F15 was set 400 feet from F14 to put it midway between 9 Old (F 14)and 10 Old
(F16). The monument is a wooden hub set flush with the surface of the ground, about 3 feet
inside a wooden bulkhead, between a wooden shingled cottage and a white cottage. The
azimuth is a wooden hub set back east of the shingled cottage in grass.
• F16 Profile F16 coincides with 10 Old. The monument and azimuth are the original 10 Old metal
fence stake. The monument is set in the sand seaward of the dune about 7 feet east of a stair
rail by a small "A" frame bath house. The azimuth is in the dune.
F17 Profile F17 coincides with 11 Old. The monument is a wooden hub set flush with the ground
three feet landward of the concrete bulkhead, on line with the original 11 Old mark on the
concrete wall. The azimuth is a wooden hub set 1 foot east of a gray wall.
F18 Profile F18 coincides with 12 Old, and is located near the center of the public parking area
near the end of Horton Lane. The monument is a hole in the top of a guard rail post painted
orange, near the guard rail dividing the parking area. The azimuth is the original 12 Old metal
fence stake in the dune on the landward side of the roadway.
F19 Profile F19 is located just to the east of the parking lot at the end of Horton Lane, on the east
side of a white beach cottage, set midway between 12 Old (F18) and 13 Old (F20). The
monument is a wooden stake with witness post on top a small dune. The azimuth is a wooden
stake with witness post to the rear.
F20 Profile F20 coincides with 13 Old. The monument and azimuth are the original 13 Old metal
fence stake set in the dune, on the east edge of the lot with a beach cottage with green siding.
F21 Profile F21 was set 445 feet from F20, in order to fit two new profiles evenly between 13 Old
(F20) and 14 Old (F23). The monument is a wooden stake with witness post set in the grass
between a vacant lot and a beach cottage with green stained siding near the dune line. The
111111 10
• azimuth is a wooden stake with witness post to the rear.
F22 Profile F22 was set 890 feet from F20. The monument is a wooden stake with witness post set
at the edge of the grass between a large greenish duplex and a yellowish house. The azimuth
is a wooden stake with witness post set in the grass to the rear.
F23 Profile F23 coincides with 14 Old. The monument and azimuth are the original 14 Old metal
fence stake set in the grass about 100 feet east of a blue beach house.
F24 Profile F24 was set 360 feet from 14 Old(F23) in order to fit three new profile evenly between
14 Old (F23) and 15 Old (F27). The monument is a wooden stake with witness post set
between a natural shingled house with a red brick chimney and a house with brown shingle
siding. The azimuth is a wooden stake with witness post set back in front of brush.
F25 Profile F25 was set 720 feet from 14 Old (F23) in a public parking area. The monument is a
PK nail near the front edge of the parking lot approximately 50 feet from the west edge of the
parking lot. The azimuth is a PK nail near the rear parking lot guard rail, near the r guard
rail post from the west end of the guard rail.
F26 Profile F26 was set 1080 feet from 14 Old (F23), approximately 200 feet east of a public
parking area. The monument is a wooden stake with witness post near the edge of the grass.
The azimuth is an existing metal fence stake about 40 feet back.
SF27 Profile F27 coincides with 15 Old. The monument is located in an empty lot in front of
several beach cottages. The monument is a new metal fence stake replacing 15 Old, which
was not recovered, at the approximate original location of 15 Old, abut 10 feet in back of the
grass line. The azimuth is a new metal fence stake in the approximate location of the 15 Old
azimuth.
F28 Profile F28 was set 1000 feet east of 15 Old (F27). The monument is a metal fence stake at
the front edge of the grass. The azimuth is a metal fence stake back at the edge of the brush.
F29 Profile F29 was set 1000 feet from F28,just east of a small bulkhead near a "Public Area"
sign. The monument is a metal fence stake near the toe of the bluff. The azimuth is a metal
fence stake set in brush up the bluff.
After the stakes were driven in place, the horizontal and vertical coordinates were established
using precalibrated real time kinematic Global Positioning System(GPS).
1.3 Real Time Kinematic GPS Calibration and Application
The control survey was conducted with Real Time Kinematic (RTK) Global Positioning
System(GPS) suvey techniques. The GPS was calibrated using USGS monuments in the local area for
vertical and horizontal control. The GPS calibration was consistent with a previous control survey
conducted by TVGA Engineering ("GPS REPORT, Town of Southold Beach, Survey Monuments,
• Duck Pond Point to Horton Point," TVGA Job Number 950129) for the New York Department of
11
State. This previous survey provided horizontal and vertical control for the 15 profile line monuments
and azimuth points established previously. The current survey used the same control monuments as
did the TVGA GPS calibration, as well as tying into three of the older profile monuments using
coordinates from the TVGA report. The calibration provided consistent results with the TVGA
survey.
The GPS control survey was performed on the week of February 9th, 1998 utilizing Trimble
4400 dual frequency GPS receivers. The precision yielded by the dual frequency receivers are as
follows: horizontally 1cm.+2ppm, vertically 2cm +2ppm with a minimum of 5 satellites observed
and good satellite geometry.
A minimum of 3 minute occupation times were used for all calibration points, and the control
point survey used a minimum of 3 epochs per observation. The following points were held in the
calibration process.
HELD POINT ERROR DESCRIPTION
Horz Hold 0.083 Disc in Concrete
Horz Elijah 0.150 Disc in Concrete
Horz. & Vert Old Pt#13 0.085 Iron Fence Stake
Hon& Vert Old Pt#14 0.088 Iron Fence Stake
Horz& Yen Old Pt#12 0.064 Iron Fence Stake
Horz& Vert Felix 0.238 Disc in Concrete
• Total Error Vert: 0.076
Total Error Horz: 0.126
Total Error Horz& Vert: 0.134
The GPS control survey established the location of the primary control points and azimuth
points as follows. Also shown in the table below is the actual azimuth from the azimuth point to the
primary monument as calculated from the monument positions. These azimuths vary slightly from the
theoretical profile azimuths presented in Table 1.1 due to small field adjustments of azimuth point
positions required by monument driving obstructions such as rocks or roots. Note that the 15 original
line azimuths had been previously established by eye perpendicular to the beach. These azimuths were
maintained for the onshore portion of the survey for consistency with previous surveys.
Table 1.2 - Monument Locations, Spring 1998
(Nad83, Long Island Lambert)
Primary Monument Coordinates Azimuth Monument Coordinates .
Mon. Northing Easting Elev. Mon. Northing Easting Elev. Azimuth
Al 311950.21 1381622.65 11.59 A1AZ 311847.39 1381694.63 9.35 325.0
A2 311587.73 1381278.86 10.29 AZAZ 311537.48 1381314.06 11.43 325.0
• 12
• A3 311216.43 1381003.03 9.56 A3AZ 311176.55 1381030.92 10.41 325.0
A4 310764.49 1380718.13 9.36 A9AZ 310743.49 1380732.79 10.31 325.1
A5 310388.75 1380405.25 7.36 A5AZ 310355.68 1380428.41 10.58 325.0
A6 309985.89 1380076.57 8.72 A6AZ 309946.65 1380104.08 8.60 325.0
A7 309618.75 1379735.03 8.32 A7AZ 309597.30 1379749.92 10.35 325.2
A8 309284.52 1379357.69 5.84 A8AZ 309269.80 1379367.98 9.27 325.0
A9 308960.46 1378965.51 6.47 A9AZ 308944.57 1378976.33 13.45 325.7
A10 308336.47 1378167.67 5.92 A1OAZ 308318.79 1378180.01 12.65 325.1
All 307689.75 1377397.63 7.30 A11AZ 307672.81 1377409.62 21.21 324.7
Al2 307086.10 1376588.81 5.46 Al2AZ 307066.70 1376602.41 15.36 325.0
A13 306498.55 1375767.70 7.37 A13AZ 306484.00 1375777.72 17.31 325.4
A14 305939.84 1374923.93 7.33 A14AZ 305924.72 1374934.53 8.81 325.0
A15 305430.43 1373971.24 8.53 A15AZ 305402.42 1373990.98 25.99 324.8
A16 304965.61 1373125.11 7.06 A16AZ 304942.46 1373141.14 22.63 325.3
Cl 311965.68 1382353.75 11.99 C1AZ 311927.08 1382386.04 9.38 320.1
C2 312182.28 1382804.33 15.96 C2AZ 312143.21 1382837.28 14.12 319.9
C3 312489.95 1383205.33 19.45 C3AZ 312470.72 1383221.50 16.75 319.9
C4 312883.12 1383540.49 8.51 C4AZ 312865.28 1383555.20 16.64 320.5
C5 313268.81 1383870.79 15.08 C5AZ 313250.78 1383885.78 29.72 320.3
11111 C6 313695.59 1384230.66 8.90 C6AZ 313679.49 1384244.30 14.37 319.7
C7 314034.52 1384526.10 9.14 C7AZ 314017.13 1384540.73 13.77 319.9
C8 314307.53 1384901.02 12.12 C8AZ 314293.56 1384912.62 19.29 320.3
C9 314622.16 1385343.78 5.85 C9AZ 314601.73 1385360.63 16.06 320.5
C10 314958.88 1385739.80 6.70 C1OAZ 314940.89 1385755.00 15.02 319.8
C11 315352.44 1386032.91 7.07 C11AZ 315323.51 1386057.11 31.36 320.1
C12 315690.91 1386400.47 8.05 C12AZ 315661.20 1386424.57 32.01 321.0
C13 316424.14 1387200.85 8.96 C13AZ 316401.94 1387219.53 29.08 319.9
C14 317095.57 1387962.52 8.97 C14AZ 317076.43 1387978.71 24.55 319.8
C15 317687.67 1388639.30 8.15 C15AZ 317662.69 1388659.92 18.01 320.5
C16 318349.42 1389389.02 7.85 C16AZ 318326.70 1389407.93 16.72 320.2
C17 319056.69 1390097.56 6.80 C17AZ 319038.46 1390112.47 11.21 320.7
C18 319657.97 1390902.16 6.25 C18A2 319639.61 1390917.33 9.70 320.4
C19 320264.50 1391747.69 6.66 C19AZ 320251.01 1391758.91 13.38 320.2
C20 320791.64 1392366.49 13.97 C20AZ 320750.89 1392400.62 14.90 320.1
El 321581.39 1393234.24 5.93 E1AZ 321563.91 1393239.35 14.04 343.7
E2 321607.64 1394233.79 7.11 E2AZ 321573.39 1394248.81 26.51 336.3
E3 321925.12 1395204.34 6.92 E3AZ 321893.54 1395217.98 27.39 336.6
• 13
• E4 322349.13 1396169.70 7.12 E4AZ 322329.24 1396178.14 18.83 337.0
65 322955.24 1397099.04 11.33 ESAZ 322920.87 1397114.48 36.71 335.8
E6 323430.90 1398050.48 7.34 E6AZ 323404.19 1398062.08 24.25 336.5
67 323728.12 1398837.27 8.06 E7AZ 323704.72 1398847.76 24.66 335.9
E8 324262.07 1399700.60 7.65 ESAZ 324226.36 1399716.45 28.31 336.1
E9 324882.89 1400521.35 5.82 E9AZ 324860.64 1400531.11 8.41 336.3
E10 325067.43 1401180.44 5.68 E1OAZ 325015.43 1401192.87 33.42 346.6
Ell 325426.59 1402466.11 6.60 E11AZ 325412.22 1402472.63 8.78 335.6
612 325704.55 1403301.59 4.82 E12AZ 325688.72 1403308.48 6.40 336.5
613 326126.04 1404149.29 8.94 E13AZ 326107.66 1404166.01 15.79 317.7
614 326781.30 1404595.64 9.01 E14AZ 326736.63 1404615.61 7.20 335.9
615 327112.83 1404797.76 8.84 E15AZ 327032.06 1404880.86 9.16 314.2
Fl 327362.58 1405548.81 13.77 F1AZ 327350.67 1405564.34 12.80 307.5
F2 327661.64 1405814.66 10.96 F2AZ 327608.38 1405859.17 8.21 320.1
F3 327987.45 1406048.59 9.59 F3AZ 327948.56 1406081.09 9.54 320.1
F4 328309.60 1406291.80 9.41 F4AZ 328273.70 1406333.65 13.91 310.6
F5 328640.49 1406596.47 9.45 F5AZ 328610.13 1406621.85 13.08 320.1
F6 329055.60 1406874.75 10.18 F6AZ 329038.96 1406888.37 15.22 320.7
F7 329377.57 1407117.58 15.49 F7AZ 329352.03 1407139.04 15.20 320.0
• F8 329817.95 1407439.92 9.27 F8AZ 329783.71 1407468.54 14.53 320.1
F9 330045.81 1407741.81 13.77 F9AZ 330011.89 1407770.13 12.52 320.1
F10 330400.36 1407983.57 9.06 F1OAZ 330388.84 1407999.99 14.62 305.1
F11 330726.65 1408313.57 15.75 F11AZ 330687.83 1408346.30 9.59 319.9
F12 331113.96 1408542.60 14.41 F12AZ 331068.84 1408580.71 7.86 319.8
F13 331482.01 1408791.20 16.82 F13AZ 331461.90 1408808.45 11.99 319.4
F14 331847.39 1408928.95 10.59 F14AZ 331842.71 1408935.52 11.78 305.5
F15 332177.91 1409142.96 9.71 F15AZ 332147.30 1409188.44 10.48 303.9
F16 332502.13 1409389.32 8.86 F16AZ 332492.48 1409406.06 14.04 300.0
F17 332924.64 1409569.09 8.58 F17AZ 332903.65 1409600.08 9.90 304.1
F18 333335.70 1409961.31 11.05 F18AZ 333287.60 1410058.73 10.54 296.3
F19 333732.05 1410175.74 11.14 F19AZ 333706.85 1410213.46 9.24 303.7
F20 333924.90 1410292.00 11.51 F20AZ 333894.50 1410345.53 9.12 299.6
F21 334342.49 1410521.07 9.46 F21AZ 334298.18 1410586.52 9.42 304.1
F22 334701.80 1410711.31 9.05 F22AZ 334662.78 1410768.91 8.85 304.1
F23 335093.89 1410937.73 9.89 F23AZ 335081.91 1410958.58 11.42 299.9
F24 335387.61 1411071.43 9.73 F24AZ 335357.98 1411115.33 10.93 304.0
F25 335731.24 1411273.82 9.66 F25AZ 335655.27 1411385.69 8.01 304.2
• 14
F26 336030.45 1411367.36 8.75 F26AZ 336014.65 1411391.49 11.76 303.2
111111
F27 336401.48 1411556.16 8.21 F27AZ 336354.90 1411634.66 5.60 300.7
F28 337352.18 1411866.43 9.47 F28AZ 337345.56 1411884.80 11.58 289.8
F29 338277.73 1412190.11 8.68 F29AZ 338261.60 1412201.23 19.90 325.4
•
S15
• 2. Annual Transect Survey
2.1 Methodology
Transect surveys were performed using two techniques, one for the near shore area (from the
bluff to as deep as possible in the intertidal zone) and one for the offshore portion of the profile. The
near shore surveys were performed using a Leitz Set 2B2 total station and reflector rods. The
instrument was set up on the front monument of each profile and the rod man began the transect
survey at the top of the bluff or behind the dune(the landward limit of the transect). The rod man
proceeded seaward into the water to approximately the -3 ft NAVD88 contour and sometimes deeper.
Accuracy is estimated to be approximately 0.05' both horizontally and vertically.
The offshore portion of the survey was originally to be performed using a sea sled. Field
investigations indicated that the prevalence of subsurface boulders prevented the collection of a
continuous transect and the use of the type of boat needed to tow a sea sled. As the alternative, a high
accuracy sounding system was used in combination with continuous recording of water levels to adjust
the readings for water level. The tide staff was deployed in approximately 6 feet of water and
surveyed relative to a previously installed monument at the shoreline. The sounding equipment used
was an Innerspace Model 448 single frequency depth sounder operating at 208Hz with an 8-degree
beam. This sounder was interfaced with a Model 610 Starlink Differential GPS receiver linked to a
laptop computer running Innerspace hydrographic survey software with track line guidance. The track
lines were defined prior to the survey and entered into the onboard computer. Weather was chosen
such that wave effects were minimized; however, data were collected at as a high a sampling rate as
• possible to minimize environmental effects. Error in elevation was approximately +/-0.5 feet in the
offshore portion of the profile (random error, not bias), and horizontal position accuracy is estimated
at less than 10 feet.
The data files are presented on the attached survey map and in the digital file contained on the
attached floppy disk. The digital data are contained in DXF format and in QuattroPro spreadsheet
format. Plots of the cross sections are presented in Appendix A.
2.2 Overlays With Past Survey
The New York State Department of State provided field notes from prior transect surveys
collected from the bluff/dune line out to wading depth. Through the period of the surveys, various
changes to the NYSDOS survey monuments occurred and it was difficult to track the history of the
changes to rectify the profile data. The most recent NYSDOS survey (September 1997) was used to
develop overlay plots with the present survey. These are presented in Appendix B.
3. Bathymetric Survey of Mattituck Region
3.1 Field Methodology/Accuracy
The bathymetric survey was performed using the high accuracy sounding system with water
level adjustments described previously(Section 2.1).
• 16
• The data files are presented on the attached survey map and in the digital file contained on the
attached floppy disk. The digital data are contained in DXF format and in QuattroPro spreadsheet
format.
3.2 Mapping
The attached map presents the bathymetric survey data and contours derived from the data. As
required by the work scope, the mapping is presented in plan view at a scale of 1"=200' in Long
Island Lambert State Plane Coordinates (NAD83)and relative to the vertical datum NAVD88.
Contouring of the data is presented on a two-foot contour interval and the actual data are overlaid as a
layer over the contours. As with any contour plot, the user should review both the actual data and the
contours before making interpretations because the contouring algorithm itself tends to smooth and
average raw data considerably in order to formulate relatively well-behaved contours. The shoreline
shown on the maps was derived from March 1998 aerial photography by Aubrey Consulting, Inc.
under a separate simultaneous project effort. Data files of the mapping are provided on a floppy disk
in DXF and XYZ (Quattropro) formats.
3.3 Difference Mapping
The bathymetric survey data collected for this project were gridded (averaged) on 50' by 50'
horizontal cells, as was the most recent NOAA/NOS hydrographic survey. The differences in cell
average elevations were then contoured using values where both surveys had data. The difference plot
is attached, at a scale of 1"=200' with contouring performed at 1' intervals. A DXF file is also
contained on the accompanying diskette.
The most recent NOAA/NOS survey used as the basis for the difference mapping had been
acquired by the government in 1969 (survey 1109087 and 1109089). The survey was referenced to
mean lower low water (MLLW) and had to be re-referenced to NAVD88 so that difference calculations
could be made. The conversion was determined by using the NOAA published conversion factor to be
applied at Mattituck Inlet for tidal statistics at Bridgeport, CT. The published elevation of NGVD29 at
Bridgeport, CT, is 2.92 feet above MLLW. The factor at Mattituck(0.77) indicates that the
conversion from MLLW to NGVD29 is 2.25 feet. The published conversion from NGVD29 to
NAVD88 is 0.95 feet. Given these conversions, all depths reported in the NOAA 1969 survey were
increased by 3.20 feet. Because there is variability in tidal statistics, the accuracy of this adjustment is
estimated to be approximately +/-0.5 feet.
A total volume difference between the 1969 survey and the 1998 survey, determined by
integrating the difference of the two surveys, is found to be approximately 160,000 cubic yards of
erosion.
•
17
• 4. Aerial Photography
Aerial photography was taken on April 13, 1998. An earlier overflight was performed in
March; however, a review of the photographs indicated that cloud cover had affected the product, so
the photography was renown. The photography was taken by Emerge, Incorporated.
The vertical aerial photography is presented in Appendix C. It is color, stereographic and at
1:9600 scale. Visible targets were placed at the survey monuments. In addition, other targets were
surveyed by Aubrey Consulting, Inc. for use in locating the mean high water shoreline.
5. Beach Morphology
Southold's shorefront features include beaches, bluffs, dunes, wetlands and barrier landforms.
Topographic character and sediment composition of the area contribute to the manner and rate of
coastal erosion and flooding.
Inlets are short narrow waterways connecting bays or lagoons with a large body of water. The
Southold shoreline has Mattituck Inlet and Goldsmith Inlet along its shoreline.
Bluffs are high steep banks or cliffs which often erode or collapse due to their steep seaward
slope. Bluffs border the majority of the Southold shoreline. The bluffs along the area are
characterized by loosely consolidated glacial outwash and moraine material: generally a mixture of
• clay, silt, sand, cobble and boulder. Material from the bluffs enter the littoral system, contributing to
beaches of varying width, slope and sediment character.
Beaches are defined as zones of unconsolidated material extending landward from the low
water line to a place where there is a marked change in material or physiographic form, or to a line of
permanent vegetation. These are found along the entire length of Southold's shoreline. Because of the
variable content of the sediment contribution to the beaches from the bluffs, the beaches consist of
sediments ranging from sand to cobble, with widths ranging from 25 feet to 100 feet.
Dunes are ridges or mounds of loose, unconsolidated sand behind the beach, providing added
protection against wave attack and flooding during storm events. Portions of the coast are backed by
dunes(eg., east of Goldsmith Inlet, adjacent to Mattituck Inlet and at Horton Lane Beach).
In addition to the larger scale features described above, the coast has other geomorphological
features that affect, or are a result of, sedimentation. The beach exhibits a berm that generally fronts
the bluff or dune, extending seaward until the beach slopes more steeply seaward into the water where
tidal and wave activity predominate. In that region, such features as a low water step, an inshore
trough, an inshore ridge and an offshore bar(s) form along a given beach profile. Many of these
features are dependent upon the sediment composition and the wave/tidal characteristics that have
occurred just prior to the time of measurement. Boulders are also present along many beach profiles
and can affect the evolution of the beach immediately adjacent to them. The entire area, but especially
in the vicinity of Duck Pond and Horton Points, exhibit boulders in the intertidal area and often deeper
due to boulders eroding from the bluffs.
110 18
S
Man-made structures, such as bulkheads,jetties, and groins are relevant geomorphological
features as well. West of Goldsmith Inlet residential development is sparse. East of Goldsmith Inlet
development is also sparse and shoreline protection efforts include groins, bulkheads and seawalls
located in the Kenney's Road Beach area. Stone jetties at Mattituck and Goldsmith Inlets are the most
prominent coastal structures. Large updrift fillets and downdrift offsets in the beach have formed in
response to the jetties. East of Goldsmith Inlet, a series of groins was constructed to protect private
shoreline segments. Erosion appears to be most concentrated at Kenneys Beach, where beach
recession, revetment/bulkhead undermining and low beach elevation are prevalent. In some areas,
bluff stabilization measures in the form of bulkheads have been constructed.
The attached beach morphology map illustrates features described above in plan view. The
details were derived from the cross section data surveyed as part of this project. These data can
generally allow the area to be subdivided into reaches with common features, as follows:
West of Mattituck Inlet, Profiles Al to A6-characterized by sand beaches backed by low dunes. The
beaches near the Inlet are wide due to the accretion fillet caused by the Mattituck jetty. Beach houses
located behind the dune, no shore protection structures.
West of Mattituck Inlet, Profiles A7 to A 16-characterized by high bluffs fronted by narrow beaches
of sand and cobbles. Extensive intertidal boulders. Little development or shore protection structures.
East of Mattituck Inlet, Profiles Cl to C4 -an undeveloped area with sandy beaches backed by narrow,
high dunes. No shoreline protection.
• East of Mattituck Inlet, extending to Duck Pond Point, Profiles C5 to C20 -characterized by mostly
high bluffs with narrow sand and cobble beaches. Extensive intertidal boulders. Some development
on the bluffs, especially along the western portion of this segment, with periodic bulkheads along the
toe of the bluff.
East of Duck Pond Point, Profiles El to E13 -characterized by mostly high bluffs with narrow sand
and cobble beaches, and extensive intertidal boulders. Some development on the bluff. Sparse
bulkheads, and a few low, ineffective groins constructed out of native beach boulders.
West of Goldsmith Inlet, Profiles E14 and E15 - wide sandy beaches backed by low dunes. Some
development set well behind the shoreline. No shoreline protection.
East of Goldsmith Inlet, Profiles F1 to F8 -primarily undeveloped shoreline with sandy beaches
backed by wide dunes. One home with a bulkhead and jetty(Bittner groin)exist in this stretch of
beach.
Kenny's Beach Area, Profiles F9 to F18 -highly developed shoreline with beach cottages close to the
shoreline, characterized by narrow sandy or pebble beaches, with extensive bulkheads and a series of
short groins.
McCabe's Beach Area, Profiles F19 to F27 - developed shoreline with beach cottages and public
parking areas. Beaches are generally sandy, backed by very low dunes in areas not affected by
development.
1111 19
• Horton Point, Profiles F27 and F28 -characterized by high, heavily vegetated bluffs fronted by narrow
cobble beaches and extensive intertidal and offshore boulders. This shoreline appears to be stable
based on the extensive vegetation on the bluffs which are obviously not eroding.
A coastal morphology map is included as an attachment to this report illustrating the features
described above and is included as a digital file(DXF format) for on-screen viewing at user-selectable
scales. Because of the narrow spacing of cross shore features compared to the longshore extent of the
survey, a scale for hard copy presentation was difficult to choose. It is recommended that details of
the map be viewed using zoom features within a CADD program, supplemented by a review of the
aerial photography (the frame limits are included on the map and the photos are included in Appendix
C.
•
• 20
APPENDIX A
Transect Plots
•
•
0 • 0
S 0 U T H 0 L D , LONG ISLAND
Al
001 0 _ __
co , , , , ,
o f i 1 I
> p
Q , , , , ,, ,, ,, , , , ,
, , ,
Z
I i
10 _ - t } i
w
0 iI
I
I
> -20
i
a% 1 i 1
! -
l
t 1I 4 i -- {
-500 0 500 1000 1500 2000 !
Distance from Origin, ft
SPRING 1998
• •
•
' SOUTHOLD , LONG ISLAND
A2
CO 20
CO
>
Z
0
1 1 j t .
1 I
CU
Lu -20
- -
G
--
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
' SOUTHOLD ) LONG ISLAND
A3
, ,
,, , co 15
0 10
Q
5
z
{
0 a
O {
1
(a ; - i
f
W
-10 i ,
15 1 ; _
-200 0 200 400 600 800 1000
Distance from Origin , ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
A4
co 15
co
0 10
z
1
� � t
10
W 1 }
f-
-20 . _
-200 0 200 400 600 800 1000
Distance from Origin, ft
SPRING 9 1 98
• • •
SOUTHOLD , LONG ISLAND
A5
co 1 0
00 11 l
0 5
>
Q
0
5
CO -10 {
a)
W -15
-t-20 ---1 i - --
-200 0 200 400 600 800 1000
Distance from Origin, ft
SPRING 1998
• •
•
,
' SOUTHOLD ) LONG ISLAND
A6
10
co ,
\\O 5 _ -- L 1, } -
/ j j - , ',,
7Q
L 0 -. - t -
f
t ti
1 l
- 1
O
-1• 0 1 1
I
{
°' -15
, f f
-20 -- i
1
-200 0 200 400 600 800 1000 1200
Distance from Origin, ft
SPRING 1998
• • •
souTHoLD , LONG ISLAND
A7
co00 50
a 40
Q
30
20
z _
11
O 10
I
0 - 1
1
W -10
_20
-200 0 200 400 600 800 1000 1200
Distance from Origin, ft
SPRING 1998
• •
•
souTHoLD , LoNG ISLAND
A8
1 co 120
co
0 100
> N - - 1
Q
t
60 1 _
c 40 1 i
1
0 t f
1
20 1
^^>
W, 0 }- {
t
r
j
Li -20 - -- -
-40 .-
-400 -200 0 200 400 600 800 100012001400
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD LONG ISLAND
A9
co 140
Co
D 1201 f { 1
100
z 80
�
0•-i-ct; 40
j
> 20
O
w 0 ,
t
-20
, -
-400 -200 0 200 400 600 800 1000 1200
Distance from Origin, ft
— SPRING 1998
• •
SOUTHOLD LONG ISLAND
A10
co 120
100
Q 80
--------
60 } _
40
> 20
a)
-20 _--
fi
-200 0 200 400 600 800 1000 1200 '
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD , LONG ISLAND
All
00 200
co
o t
t
Q } {
100
f
f -
50 1 I ,
1
> 1 r - a 1
a)
W
-50 1 1 +- }
-400 -200 0 200 400 600 800 1000 1200
Distance from Origin, ft
-- SPRING 99 1 8
• •
•
SOUTHOLD LONG ISLAND
A 1 2
co 120
00 ---- - - --- -- r
0 100
Q 80
60 }
0 40 r
20
W 0 t
-20
-200
0 200 400 600 800 1000
Distance from Origin, ft
SPRING 1998
0 • •
SOUTHOLD , LONG ISLAND
A13
CO 84
CO 1
> 60 1t
Z L
40
{
co
{ f i
0 t
W 1
I
-200 0 200 400 600 800 1000 1200 1400
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD LONG ISLAND5
A14
co 120
co
0 - t
Q 80
- -
60
0 40
20
— - I
W 0 - 1
-20 1 - -
-200 0 200 400 600 800 1000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
A15
co 120
Co
0 100
\-----
<
80
Z - - ---
60
40
; 20
a)
-20
-400 -200 0 200 400 600 800 1000 1200
Distance from Origin, ft
SPRING 1998
• • 0
SOUTHOLD LONG ISLAND
A16
co 80
Co
60
}
z 40t j
c
0 20
a) 0 i ]
w � 1
t -
-20 i -
-500 0 500 1000 1500 2000 2500
Distance from Origin, ft
SPRING 1998
r • S
SOUTHOLD ' LONG ISLAND
Cl
00 15
co
o 10
Q 5 - —
z ---
c
0
t -
o -5 - -
> -10
w -15 - - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• 0 •
SOUTHOLD
LONG ISLAND
9
C2
co 20
°)'' - - - ---
0 15 -
10 -
r
z 5
E. 0
- - -
w -15
-20
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• • i
SOUTHOLD ) LONG ISLAND
C3
co 20
co
o 15 41 -
10
= 1 j _ f - {
i
— J
> -5 ----_.t -
10
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
-- SPRING 1998
• •
•
i
, ,
bUTHOLD , LONG ISLAND ,
, ,
C4
30
, co00 -- -- ,
,,
> 20
Q --
z 10
w i
c
._o
0 _i -.---- -._--._} -.--- -- --
cO
Lill) -10
-20 ------
1
-500 0 500 1000 1500 2000
Distance from Origin, ft
1
SPRING 1998
,
• • •
SOUTHOLD LONG ISLAND
Ii
C5
co 40 co - -
0 30 _
w
10
o fi ,
f --
0
-
20
200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
C6
co 80 --
co
> 60 - -
z
40
20
co
w
0
-20
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
i • i
, ' SOUTHOLD LONG ISLAND
C7
Coco 80
- -
0 60
40 - T - --
o
.C' 0
>
w -
i -20
-40
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
— SPRING 1998
• . •
SOUTHOLD LONG ISLAND
C8
00 80 - -
co - - -
0 60
40
E.
20 -
To 0
w -20 - - - - - -
-40 - -_ -- 4
-500 0 500 1000 1500 2000
Distance from Origin, ft
P
S RING 1998
• • •
SOUTHOLD LONG ISLANDC9
co 80
co
0 60z
w
c 20 - - -- -
O
0
-- -20 -- -- - - - ---- .- ---
W
-40 -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
I,
do
00 40
o
Q 2030
z
10
._
0 0
> -10
a)
-20 - - --
-30
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• •
SOUTHOLD LONG ISLAND
C11
CO 60
ao -
40 -
Q
z 20
0 p
2. -20 '
-40 -
I
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• . •
SOUTHOLD LONG ISLAND
C12
co 80
co
0 60
------- ------
61
40
Es 20
- -
co 0
°' -20
LLI
-40 - - - -
-500 0 500 1000 1500 2000 !
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
C13
00 40
00 -
030
z
10 w
.2
-10
w -
20
-30
-500 0 500 1000 1500 2000
Distance from Origin , ft
SPRING 1998
• • 0
souTHoLD , LONG ISLAND
C14
co 60
Co
O
> 40 i - - -
Q
Z 1 1 - -
o
20
t0
> 0
N
-20
1
-500 0 500 1000 1500 2000
Distance from Origin, ft
g
SPRING 1998
fill
• • •
souTHoLD , LONG ISLAND
C 1 5
co 80
co
o
60
Q
40
I
w
20
Co i
a) 0
w
500 0 500
1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
C16
co 80
00
60
Z 40
•— 20 --
� II
to
0 - --
W
-20 - - - --
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLANDC17
co 60
50
40
z 30 -
20 1
o {
Co10
> 0
w -10
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
C18
00 60
co
> 40
z
E 20
0
II
0
sAl
W
-20 �- - -- -
-500 0 500 1000 1500 2000 !
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD LONG ISLAND
C19
co 60
o 50
40 - - --
30
z
20
.- 10
> p
W -10 -
-20 I -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
sourriHoLn LONG ISLAND
Lol
1
C20
00 15
co
o 10
1
z
0
c
i
o a
-z 4
-10
1
a) -
15
-
w -
-20 4 f - i
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
� I
El
co co
80
> 60
z 40 -
.0 20
Co
a) Q - - -
w
-20 - - - -_ -
-500 0 500 1000 1500 20001
Distance from Origin, ft
— SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
E2
co 60 -- -
0 50
40 111
z 30 _
c 20 - -- � -
c�
10
-------> 0
w -10 - - - -- --20 -
200 0 200 400 600 800 1000120014
00160
0
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
E3
co 80
co
60
z 40-52 -
c20
o 1 rt
a) 0
-20 - - -
-200 0 200 400 600 800 1000120014001600
Distance from Origin , ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
E4
00 80 -
co --0 60
Q 40
E 20
--51 o
0
°' -20
LI -40 -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
E5
co 100CO
o 80
>
< 60
' w
40
0 20
W -20
-40
200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLANDE6
co 80
co
0 60
z 40 - -
E 20
o -
co 0
a)
-20
-40 - ----
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
I i
souTHoLD LoNG BLAND
E7
co 80
co
60
z
40
----------
- -_ - - ----- -_--- ---- - ,- _----- ------- - - -----
.2 20
ca
0
w
-20
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • 0
SOUTHOLD LONG ISLAND
E8
00 80
co
> 60
{
40
t - I
° 20
cow
0
-20 i- ___ I
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD LONG ISLAND
E9
co 50
co -
-
o 40
> _ - - -
< 30 -
z
• F
20
0 10
0
w
-20 _
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD ) LONG ISLAND
E 1 0
co 40
-
Co
- - -
----------- -------------------
0 30
20E.
1 0 f
O
.� p
(�
> - 1
O _
_ -10
----- ------------.----
-20
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD LONG ISLAND
Eli
co 40 - - -
Co -
0 30
20
E. 10 I
o
cu 0
N -10
-2 - - --
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• 0 0
souTHoLD , LoNG BLAND
i
E12
1
oo 50
oo
0 40
>
< 30 1
z i
_ 20
i
:0 10
=
> 0 I
a) J
Ej -1 0 i
...„----- ,
-20 1 1
1
-500 0 500 1000 1500 2000
Distance from Origin, ft
1
SPRING 1998
• •
•
SOUTHOLD , LONG
E 1 3
00 50
co 1< 30 -\....\,..N.:....
20
0 10
----------- - --- ------
,_ ---
co
�
0
a
w -10
i l
-20 -
-500 0
500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • 0
SOUTHOLD LONG ISLAND
E 1 4
co 15
Co - -
10
- - t
5 -
z 0
c -
> _
LI -20 -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • 0
SOUTHOLD ) LONG ISLAND ,
E 1 5
, , co 10 -
Co
o 5
Q 0
z
-5
w -
1
o -10 } }
I
>C13 -15
a)
w -20 - -
-25
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F1
00 15
oio
z 0
o
1=1;• -10
-15
w -20 --
_25
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLANDF2
1
00 10 _ ,
00
0 5 - - t -
0
zw
5
_ _ 1
o -10 1 -.-- 1
.*..,
>3 -15 _
a)
— -2 0
LI -
-2 5 - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
— SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F3
00 15
co
0 10 -
Q 5
t- T
z --- -- -
fi
0 }
w
15
I
-20
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F4
co 15 - ,
0 10 —
j--
5 - _
Q i '
Z 0
T _ - d
t6
> 15
a)
w -20
25 It
-
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• •SOUTHOLD LONG ISLAND
•
F5
00 15
co
a 10Q
0
ow —5 1 —
c�
-10 _
Ej -15
-20
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F6
co 15
00 -
a 10
Q 5
0o -5 -
> -10
w -15 - - - - -- �--
-20 -- - - - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLANDF7
15co
co - - -
0 10 -_
z i, 1 - -
c ---
5 1._
— -
> -10 -
w -15 - - ---- ---
-20
-500 0 500 1000 1500 2000
Distance from Origin, ft
— SPRING 1998
• . S
i
i
IsouTHoLD LONG ISLAND
F8
co 20
ccs
z
ca
a) -20
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
---- SPRING 1998
•
I'i I
•
SOUTHOLD ) LONG ISLAND
F9
00 20
co — —
> 10
z
w I
0 10
ca
- -
W
-30
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
•
SOUTHOLD LONG ISLAND
F10
co 20
co
> 10
z
._o
-10 _., ___ _ ,._.- ------- ---------------._ -_ _.- - - __------------ -- -.-- __.- _._-------------.-------.-----
co
>
a) -20 1
w
-30 -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
•
SOUTHOLD LONG ISLAND
F11
co 20
co
z
0
0 10
a)
-20
-30
-500 0 500 1000 1500 2000
Distance from Origin, ft
1
SPRING 998
SOUTHOLD ) LONG ISLAND
F12
co 20co
-
10
z
c
._o
-10
----- -- -.--
a) -20
w --- ---------
-30 - - - -
-500 0 500 1000 1500 2000 ,
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F13
co 20
co
10
z 0
O
10
c3
' w
-30 -- -� - - - -
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
— SPRING 1998
• • •
i
SOUTHOLD , LONG ISLANDF14
co 20
00 � - -
o
10 - -
0
w it
co
a) -20
-30 — i r
-500 0 500 1000 1500 20001
Distance from Origin, ft
SPRING 1998
• •
•
SOUTHOLD , LONG ISLAND
F15
co 20 i
Co
10
° -10
a) -20
w
-30
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• 0 •
SOUTHOLD LONG ISLANDF16
1 co 1 0 ,
op
a 5
> i
Q 0
z 5i - - - --
c1 _..-__ _...__._ _--__ -
o - ,
> -15 - -
a)
_ -20
w -- a
-25
0 500 1000 1500 2000
Distance from Origin, ft
— SPRING 1998
• • •
souTHoLD
LONG ISLAND
F 1 7
03 1 0 -• -
00 - T
0 5
>
Q
0 -10 , _ 1
> -15
-20
j
-25 i -- - - ,
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• •
•
'' SOUTHOLD , LONG ISLAND
, ,
F 1 8
o0 1 0
co
o 5
Q 0 -
5
o ,
._
Co fi
-15 ' E,
a)
— -20 -- _ - - -
w
-25 - -
-200 0 200 400 600 800 1000120014001600 '
Distance from Origin ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
F19
0o 15
.-
io
5 {
z
w 5
O -
:— -10
as
(>1 -15 4
w -20 I
-25 - - -
-200 0 200 400 600 800 1000120014001600
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
F20
co 15 --
co
0 10
z
c -5
_• 10
> -15
LI -20
-25
-500 0 500 1000 1500 2000 2500
Distance from Origin, ft
SPRING 1998
• . •
, souTHoLn LoNG ISLANDSbUTHOLD ,
F21
1
10
co — - —
, co
0 5 -
0 - -
z
-5 --
o -10
'
> 15
a) .
Ed_ -2 0
-25 - -
-500 0
500 1000 1500 2000 1
Distance from Origin, ft
SPRING
1998
1 • • •
.: SOUTHOLD ) LONG ISLAND ,
, ,
, ,, ,
F21
, ,
' co 10
co 1
o 5
z
0
c
-5 - -
o -10 i
> -15
a)
LI- _.... .C..-
-
-25 -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
I
souTHoLD LONG ISLAND
F22
co 10
co
o 5 - - .\
a -- 1- - - -
\......
_10 ;
j
fi
15
w -20 - - -
-25 - - - - 4
500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F23
co 10
00
o 5
0
z
o -1 Q -ft-ia -15
w -20
-25 - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD LONG ISLANDF24
o0 15 --
CO 10 -a
-
5
z0
c 5 - -
._ 10
111 --
> -15
-25 --
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
F25
co 10 _
co
a 5
Q 0
-5
o -10(>1 -
-15
a)
-20
-25 - - -
0 200 400 600 800 1000 1200 1400 1600
Distance from Origin, ft
-- SPRING 1998
• • •
, SOUTHOLD LONG ISLAND
, ,
F26
co „1 oo
20
o
5 1 0
Z
ro
, 0 -20 A-- __ —w
ii
-30 - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
I
SPRING 1998
• • •
SOUTHOLD LONG ISLAND
F27
co loac°
--- ----- ----
0
z -5
c -10
— -15
To
> -20
a)
w -25
-30 - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
r I,
SOUTHOLD ) LONG ISLAND
F28
00 60
co
> 40
z
20
CO
#ct -20
-40 - - - - -
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
• • •
SOUTHOLD ) LONG ISLAND
F29
o0 40 -- -
00
> 20 -
Q
z
0
> -20
w
-40
-500 0 500 1000 1500 2000
Distance from Origin, ft
SPRING 1998
II
• APPENDIX B
Transect Overlays With Previous NYDOS Survey Data
•
•
• • •
SOUTHOLD ) LONG ISLAND
li
El ( 1 OLD)
00 20
0o
0 15
10 a
O
co 0
w
5
-10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• •
•
SOUTHOLD , LONG ISLAND
ElO (2 OLD)
00 20 is
0 15 -
10 i
c 5 I
0
O 0 --
_5
-10 -- - -=
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • •
SOUTHOLD , LONG ISLAND
� I
E13 (3 OLD )
co 20
- ------ - ---
o0
0 15 -- - - -
z 10 } -
5
o
co 0
10 -
'
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • • ,
1
SOUTHOLD ,
LONG ISLAND
E14 (4 OLD )
CO 20
co - -
0 15
z 10 - - -
z
o
5
-------- ---- --- -----
, c13 0 "Ikilikl: i
w
—5 -
-10
-50 0 50 100 150 200 250 1
Distance from Origin, ft
— S 1997 - S 1998
• • •
SOUTHOLD ) LONG ISLAND
I II
E15 (5 OLD)
co 20
co
0 15
> -----------_ _ _ ; --- -,- ----- - - - ---- --I ISI
Q 10
5 _
0
> -- -- -
-
-10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • •
SOUTHOLD , LONG ISLANDFl (6 OLD )
co 20
co
0 15 - - - - -
10
z
-
0
5 - - --
ca
>
-5
----------- - - -- - -- --------
-10 - - - - - -
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • •
SOUTHOLD LONG ISLAND
F4 (7 OLD )
co 20
co
0 15
z 1 - - --
c 5
0
co 0 {
} t
> -
w -
-1-10 -_- - - -
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • •
SOUTHOLD ) LONG ISLAND
F14 9 OLD)
co 20 co
0 15 T -- -
ze4( 10
0
5
to 0 -
w
-10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• •
•
1
SOUTHOLD ) LONG ISLAND
F16 OLD)
co 20
0 15
>
10 - _ 1
c 5
0
(13 0 -
i
w - -
10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• •
SOUTHOLD LONG ISLAND
F17
11 OLD )
00 20
co
0 15
<4 10
5
co
p
an _5
w -
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• • •
SOUTHOLD LONG ISLAND
, ,
F18 ( I2OLD )
, ,
, ,
co 2 0
Co - -
0 15
>
10
c
5
0
cu 0
-5 --
10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
• •
•
SOUTHOLD LONG ISLAND
F20 ( 13 OLD)
co 20
co
0 15
10 _ -- - -
5
t
0o
co 0
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
•
SOUTHOLD ' LONG ISLAND
F23 ( 14 OLD)
co 20
co
0 15
z< 10
0 -
0
r73 0
w
S2 _5
-10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 S 1998
•
SOUTHOLD LONG ISLAND
F27 ( 15 OLD)
co 20
co
0 15
Q 10 - --
z
c 5
0
al 0
P. 5
-10
-50 0 50 100 150 200 250
Distance from Origin, ft
— S 1997 - S 1998
• NC
Aerial
APPEPhotograDIXphy
•
•
• •
II
--- ---- ----------- ---
N 10238100
10238300 \ I
w E 10238000 •
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10237103 •
10237102 • •
10237101 •
10237100 •
10237002 .
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Collection Date: 4/13/98
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