Copyright
United States. Army. Corps of Engineers. New Engla.

Monitoring cruise at the New London disposal site, 1992-1998 : Volume II, Seawolf Mound online

. (page 18 of 19)
Online LibraryUnited States. Army. Corps of Engineers. New EnglaMonitoring cruise at the New London disposal site, 1992-1998 : Volume II, Seawolf Mound → online text (page 18 of 19)
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5515471201




1




1


6




8


Petricola pholadiformis


5515480102


2








1




3


Barnea sp.


5518010400


2












2


Pandora gouldiana


5520020107








1




3


4


Lyonsia spp.


5520050200




1


4




4




9


Heteromysis formosa


6153010802












1


1


Ptilanthura tenuis


6160010301












1


1


Edotia triloba


6162020703






1








1


Ampelisca abdita


6169020108




3


1


5




2


11


Ampelisca vadorum


6169020109


6


8


4


7


98


43


166


Leptocheirus pinquis


6169060702


3


2


1




24


5


35


Corophium spp.


6169150200








2


3


2


7


Monocorophium sextonae


6169150217








1






1


Erichthonius brasiliensis


6169150302








7






7


Unciola irrorata


6169150703


1








9


6


16


Photis dentata


6169260207










2




2


Jassa marmorata


6169270303












1


1


Phoxocephalus holbolli


6169420702






2


2


3


2


9


Eobolqus spinosus


6169420928






1








1


Luconacia incerta


6171011101








1






1


Cranqon septemspinosa


6179220103




1




1




1


3


Thalassinidea spp.


6183010000










1




1


Paqurus spp.


6183060200






5


1


3


3


12


Paqurus lonqicarpus


6183060230


1


1


1




1




4


Libinia spp.


6187010900












1


1


Cancer irroratus


6188030108






1








1


Pinnixa chaetopterana


6189060405








1






1


Phoronis sp.


7700010200








3




2


5


Ophiuroidea spp.


8120000000










1




1


Enteropneusta spp.


8201000000




2










2


Ascidiacea spp.


8401000000






2




3


1


6




Total


50


200


503


211


1118


518


2600



12



Appendix D
Sediment Core Descriptions



Dl
1997 Core Descriptions



1997 Seawolf Short Cores
Core 1A



Om.



0.5 m



1.0 m



Dark olive-
gray liquid silt



Olive-gray,
silty clay w/
dark olive pockets



-_-_-] Olive-gray,
sandy to
silty clay
w/ black clay



Olive-gray w/ black
fine silty to
gravelly sand
w/ shell hash
and 3 cm rock



1.5m



1997 Seawolf Short Cores
Core 2A



Om



0.5 m




wood fragment



Dark olive-gray,
silty clay
w/black streaks



<si small shell

fragments



1 997 Seawolf Short Cores
Core 2B



0.5 m



1.0 m




Olive-gray,
silty clay
w/ It black band
and shells



Olive-gray,
mottled with
black streaks



Dark and light
bands of
olive-gray
silty clay



1997 Seawolf Short Cores
Core 3A



0.5 m




Dark olive-gray
silty clay



Dark olive-gray
silty clay
marbled with
black clay



Shell fragments



1997 Seawolf Short Cores
Core 3B



OlTIi



0.5 m



1.0 m



Dark olive-gray
silty clay



Olive-gray,
silty clay
marbled w/
It. black






sparse
shell hash



Blackish
band



Olive-gray,
silty clay



Shell fragments



1997 SeawoSf Long Cores
Core 4A
Om



0.5 m



1.0 m



1.5 m



Dark olive-gray
silty clay



Shell fragment



2.0 m



Blackish band

Blackish olive- gray silty
sand w/ higher water content

Brownish olive- gray silty
sand with brown clay and
higher water content



Shell fragments
and shell hash



2.5 m _



1997 Seawolf Short Cores
Core 5A



Om



0.5 m,



1.0 m



Dark olive-gray,
silty clay
marbled with
black clay



sparse
shell hash



shell fragments



Blackish olive-
gray silty,
clayey sand



i shell hash

Dark brown
silty clay



1.5 m



1997 Seawolf Long Cores
Core 6A

0m>



0.5 m -M



1.0 m



Olive-gray silty clay



Shell fragments



1.5 m



2.0 m



Olive-gray silty clay
marbled with It. black

- Acorn seed pod



Shell



-Wood chip



Blackish olive-gray
silty clay



2.5 m.



rock
shells



1997 Seawolf Short Cores
Core 7 A



0m>



1




0.5 m






1.0 m _£r.~..-,v-.



1.5 m




Olive-gray

silty clay

w/ black mottling



Olive-gray
silty clay
marbled with
It black



wood remains



Gravelly sand
with rocks



Black band



Dark and light
bands of
olive-gray
silty clay



sparse shell
fragments



1 997 Seawolf Short Cores
Core 8A



Om



"I



= i




0.5 m



Olive-gray
silty clay
w/ marbled
black regions



1.0 m



shell fragments



1.5m I




Dark olive-gray
silty clay

wood remains



shell fragments



1997 Seawolf Short Cores
Core 9A



Om



i?y^k



0.5 m



Olive-gray silty clay
with It. black streaks



Sparse shell hash



1.0m —



1.5m




Olive-gray sandy clay

Blackish olive-gray fine sands

withclay

Brownish/blackish olive-gray clay

with fine organic matter



Olive-gray silty clay
~^wood remains

Blackish band
shell fragments



1997 Seawolf Long Cores
Core 10A



Om



0.5 m




1.0 m _B*™



Olive-gray clay

Blackish olive-gray silty clay



Dark olive-gray silty clay
marbled with It. black



Sparse shell hash

large rock w/ shells
Blackish band



r , | Olive-gray silty clay with
„ black mottling
- -* - -"■-"



Dark olive-gray silty clay



1.5 m



2.0 m






Blackish and brownish
patches of gravelly sand in
olive-gray silty clay



2.5 m



Black, oily, gravelly sand with
patches of olive-gray silty
clay



rocks



1997 Seawolf Short Cores
Core 11 A



Om



_ _ ■ _- — . ._ v _



0.5 m



1.0 m



Olive-gray
silty clay with
black mottling



Sparse shell hash



Olive-gray
silty clay



I shell fragments



1997 Seawolf Short Cores
Core 12A



Om



0.5 m



Olive-gray silty clay
marbled with black

Shell



Dark olive-gray silty
clay



sparse shell hash



1.0 m



1.5 m



Shell hash

Dark brownish olive-gray
silty clay with organic
matter

Olive-gray silty clay



1997 Seawolf Short Cores
Core 13A



Om



1
i



0.5 m



1.0 m



Blackish olive-gray streak
of silty, clayey sand

Olive-gray silty,
clayey sand

Steel blue-gray streak
of silty, clayey sand

shell hash



Steel blue-gray streak
of silty, clayey sand



Blackish olive-gray band



»'■:>- :



worm



shell hash



1.5m



D2

1998 Core Descriptions



1998 Seawolf Short Cores
Core 14A



Om



Gray, olive clay
Sparse shell fragments

Light Black Band



0.5 m



'-^~r~.~ ■■■"..



1.0 m



1.5 m



Black mottled with gray
clayey silt



Large shell fragments



Black and gray clayey silt
with fine grained sand



2.0 m



1998 Seawolf Short Cores
Core 14B

Om



0.5 m



1.0m



Olive/dark gray clay
Worms, crabs, snail



m



Black clayey silt
Shell fragments

Piece of plastic



1.5 m— I



1998 Seawolf Short Cores
Core 15A



0.5 m— |



-_-_.-



1.0 m —



1.5m



Olive gray clay



Olive gray clay with
black mottling



Olive gray clay

Olive gray clay with
black mottling



Shell fragments




n



1998 Seawolf Short Cores
Core 16A



0.5 m



1.0 m



Mottled, black, green
and light brown clay



Shell fragments
Gray clay



Shell fragments



1.5m _J



1998 Seawolf Long Cores
Core 17A



Om



0.5 m -



Olive-gray silty clay
with black and brown
mottling



She!



1.0 m



1.5 m



2.0 m



Sparse shell hash



Blackish olive-gray silty
clay

Olive-gray clay



Dark olive-gray clay
Black sandy, clayey, silt
Dark olive-gray clayey, silt

Shell and wood fragments

Dark olive-gray fine to
medium sand and gravel
Rocks

Dark olive-gray
silty fine sand



2.5 m



Shell hash

Dark olive-gray fine s



1998 Seawolf Short Cores
Core 18A



Om



0.5 m



1.0 m




Gray-olive clay



Large Shell
(original position)



Gray-olive clay
with slight
black mottling



1998 Seawolf Long Cores
Core 19A



Om



0.5 m



, j Brown organic matter



1.0 m



1.5 m-



2.0 m



- ts— -




2.5 m.



live gray clay



sparse shell fragments throughout core



3.0 m




Olive gray clay with black
banding

Blackish olive-gray silty, clayey
sand with rocks
Sparse wood and shell fragments
Brownish olive gray sandy silt
Dark olive-gray silty, clayey sand
with black mottling



1998 Seawoif Short Cores
Core 20A



Onrv



K\



0.5 m



1.0 m



1.5 m




Olive-gray clay
Gray band of clay




"l Olive-gray clay/silty
clay with black
banding



Sparse shell fragments



Olive-gray silty
clay with black
banding



- - -




r H ~ Wood remains



Black to olive-gray
silty clay

Root



1 998 Seawolf Short Cores
Core 20B



Om



0.5 m




Gray clay with
black mottling



Sparse shell fragments



Wood remains



1998 Seawolf Short Cores
Core 21 A



Om.



0.5 m



Gray -olive clay
Black silty clay

Black to gray fine sand
with shell fragments

Gray-olive silty clay

Shell (original position)



,; 'H



1.0 m



Gray-olive clay with
black mottling and wood
remains



1998 Seawolf Short Cores
Core 22A



Om



Gray-olive clay with
black and brown
streaks



&'<:• ■;



0.5 m



Sparse shell fragments



1.0m,



Black clayey silt



1 998 Seawolf Long Cores
Core 23A



Om



0.5 m



1,0m-



1,5 m






Olive-gray silty clay with
brown and black mottling



-Shell



J-j3j^



- Large rock
Sparse shell hash



Olive-gray to black
clay with medium sand

Black sand and gravel
Black to olive-gray sand
and gravel
- Wood remains
Black, brown, and olive-
gray sand, gravel and
clay combination



2,0 m



2.5 m



Large intact mussel shell



3.0 m



■WBWBWWI


Olive-gray sandy silty
L clay with black streaks




Rock


h^'iMl


Shell hash




Black sand




Brown silty clay


H


Wood remains



1 998 Seawoif Short Cores
Core 24A



Om



0.5 m



1.0 m




Gray clay mottled with
brown and black
clay nodules



Minor shell hash



Large shell fragments



1998 Seawolf Short Cores
Core 25A



ffl



Om



_ _ _" il"



Olive-gray clay with
some black and
brown bands



Sparse shell fragments



0.5 m



1.0 m






1.5 m



Wood remains



Black fine sand



1998 Seawolf Short Cores
Core 26A



Om



0.5 m



Olive-gray-brown silty fine
sand with fibrous tube mat

Mottled black and green clay

Many worms
Much plant fiber
Many shell fragments

Gray clayey fine sand

Many shell fragments

Clamshell

Gray clayey fine sand and
clay mottle

Cockle shell



1.0 m



Appendix £
Pre-dredging Sediment Chemistry Results

Maguire 1995







































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INDEX



absorption, 34, 35

aerobic, 20

anoxia, 19

atomic absorption spectrophotometry, 35

azoic, 72

barge, x, 3,4, 6, 8,42, 108

disposal, 130
benthos, x, 1, 8, 9, 10, 15, 16, 17, 19, 20,

25, 27, 57, 61, 62, 72, 73, 101, 103, 106,

107, 109, 110, 111, 112, 113, 119,120,

139, 140, 141, 143, 144, 147

ampeliscids, 20, 73, 110, 111

amphipod, 20, 72, 73, 103, 106, 107,
110, 112, 125, 130, 143

bivalve, 20, 72, 73, 110, 111,112, 113,
119, 120, 125

decapod, 72, 73

deposit feeder, 19, 20, 73, 103

macro-, 19, 20, 111, 144, 146

mussels, 106

Nephtys sp., 110

Nucula sp., 72, 73, 110, 111, 112, 113,
116, 141

Pitarsp., 112

polychaete, 19, 72, 73, 111, 112, 125

Tellina sp., Ill

Yoldiasp., 110
biomass, 112, 113, 119
bioturbation, 20, 106

feeding void, 104, 110, 119, 120, 143

foraging, 20, 107
boundary roughness, 16, 19, 61, 103, 104,

107, 125, 130
buoy, 3, 6, 8,42,46, 52, 96, 105

disposal, 3, 4, 28

taut-wire moored, 4
capping, 3, 4, 6, 32, 46, 108, 109, 132,

139, 142, 144, 146
circulation, 106



colonization, 73, 113

conductivity, 13

consolidation, 9, 10, 42, 46, 52, 108, 142

containment, 3, 4

contaminant, 8, 10, 27, 76, 81, 96, 132,

141,142

New England River Basin Commission
(NERBC), 3, 8, 145
CTD meter, 13
currents, 4, 19, 106, 107, 109, 123

speed, 107
decomposition, 107, 125, 139
density, 13, 16,27,61,66, 73, 111, 112
deposition, 1, 42, 57, 106, 107, 116, 139
dispersive site

Cornfield Shoals (CSDS), 3
disposal site

Buzzards Bay (BBDS) (formerly
Cleveland Ledge), 110, 147

Central Long Island Sound (CLIS), 3

Cornfield Shoals (CSDS), 3

Massachusetts Bay (MBDS), 140

New London (NLDS), x, 1, 2, 3, 4, 5, 6,
8, 9, 10, 1 1, 20, 33, 36, 38, 39, 40, 41,
42,76, 101, 105,106, 107, 108, 121,
123, 139, 140, 143, 144, 145, 146,
147
dissolved oxygen (DO), 20, 61, 66, 72,

103, 104, 140
erosion, 19, 20, 103, 107, 125, 130
feeding void, 104, 110, 119, 120, 143
fluff layer, 125

gas chromatography (GC), 34
Gas Chromatography/Mass Spectrometer

(GC/MS), 33, 34
grain size, 16, 32, 35, 37, 57, 62, 76, 77,

78, 81, 91, 93, 94, 96, 103, 107, 125,

132, 133, 135, 136
habitat, x, 16, 20, 73, 101, 103, 144



hydroids, 72, 103, 106
hypoxia, 20

methane, 20, 21, 103, 104
National Oceanic and Atmospheric
Administration (NO AA), 13, 15
New England River Basin Commission

(NERBC), 3, 8, 145
organics

polyaromatic hydrocarbon (PAH), 8, 32,
33,34,37,39,41,85,96, 101, 132,
133,135,136,142
total organic carbon, 35, 78, 93, 143
oxidation, 35, 37, 120
recolonization, 8, 9, 10, 15, 57, 62, 72,

109, 112, 139, 140, 141, 143
recruitment, 1 1 2

reference area, 8, 9, 10, 28, 57, 61, 62, 66,
72, 76, 77, 90, 91, 94, 96, 101, 103, 104,
105, 106, 107, 120, 121, 125, 130, 136,
139, 140, 141, 143, 145
reference station, 106, 136
REMOTS®, x, 9, 10, 1 1, 12, 15, 16, 17,
20, 21, 25, 46, 57, 62, 76, 101, 103, 105,
107, 108, 110, 111, 112, 113,116, 119,
125, 130, 132, 138, 140, 146, 147
boundary roughness, 16, 19, 61, 103,

104, 107, 125, 130
Organism- Sediment Index (OSI), 16, 20,
28,61,72, 103, 104, 109, 116, 119,
120, 141
redox potential discontinuity (RPD), 16,

25,61, 106
sediment-profile camera, 17, 101
REMOTS®®, 20

Organism-Sediment Index (OSI), 20
resuspension, 109, 110
RPD

I®, redox potential discontinuity (RPD),

19
REMOTS®, redox potential

discontinuity (RPD), 16, 19, 20, 21,
25, 36, 40, 41, 61, 66, 72, 103, 104,
106, 120, 121
REMOTS®®, redox potential
discontinuity (RPD), 20



sediment

chemistry, 27, 76

clay, 18, 35, 57, 62, 72, 77, 78, 90, 91,
93, 108, 111, 119, 120, 123, 125,132,
133, 135, 136, 140, 141, 143

cobble, 18

gravel, 18, 35, 77, 90, 91, 93, 135, 136

resuspension, 109, 110

sand, 18, 35, 57, 62, 77, 78, 90, 91, 93,

103, 104, 106, 107, 108, 110, 113,
123, 125, 130, 132, 133, 135, 136

silt, 18, 35, 62, 76, 77, 78, 90, 91, 93,

104, 123, 130, 135, 136
transport, 20, 125

sediment sampling

cores, 8, 9, 10, 28, 32, 33, 35, 36, 37,
46, 76, 77, 78, 81, 85, 90, 91, 93, 94,
96, 101, 108, 130, 132, 133, 135, 136,


1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18

Online LibraryUnited States. Army. Corps of Engineers. New EnglaMonitoring cruise at the New London disposal site, 1992-1998 : Volume II, Seawolf Mound → online text (page 18 of 19)