The seasonal biological surveys of 1971 / John C. Ayers, Samuel C. Mozley, John A. Stewart.

APPENDIX A. PHYSICAL MEASUREMENTS

Station
Time EST
Wind Direction
Wind Speed, knts
Sea Height, ft
Weather

15 April 1971
C-1 DC-23 D C-3 DC-5
1644 1023 1658 1712 1729
N Calm N N N
2 0 2 2 5
0.5
Cloudless Cloudless Cloudless Partly Partly
Hazy Hazy Hazy cloudy cloudy
Warm Hazy Hazy

DC-6 NDC-.25-1 NDC-.5-1
1756 1005 0934
N Calm Calm
8 0
0.5 0.25
Clear Cloudless Cloudless
Hazy Hazy
Warm

Secchi Disc, m
Water Color

1.3 1.9
Milky Milky
yellowish green
green

2.0 3.0 3.9
Slightly Slightly Clear
milky milky pale
grey- grey- green
green green

Surface Water
Teaperature. *C 9.5 5.3 6.9 3.6 3.3
Water Depth, ft 20 42 57 66 80
Bottoa Type Brown Fine Slightly Silty Fine
coarse brown silty fine brown
sand and sand, medium & brown sand
pebbles few coarse sand over
with clay pebbles brown 3/4"
inclusion sand grey
2" long silt
over
black
silt
Station NDC-.5-2 NDC-.5-3 NDC-1-1 NDC-1-2 NDC-1-3
Time. EST 0950 1942 0907 0851 1926
Wind Direction Calm NE Calm Calm NE
Wind Speed, knts 0 2 3
Sea Height, ft 0.5 0.25
Weather Cloudless Partly Clear Sunny Partly
Hazy cloudy Warm Hazy cloudy

4.8
Clear
pale
greygreen
2.6
132
1/2"
brown
silty
very
fine
sand
over
black
sandy
silt

1.9
Milky
light
green

1.0
Yellowish
greenbrown

5.5 6.3
41 12
Fine Fine-to
brown -medium
sand sand

NDC-2-1 NDC-2-2
0815 0805
S S

1
0.5
Clear
Cool

0.5
Clear
Cool

Secchi Disc, m
Water Color

1.5 1.6 0.9 1.6 2.7
Milky Slightly Greenish Greenish Clear
light milky yellowish yellowish greengreen grey grey grey

Surface Water
Temperature. 'C 5.5 6.1 5.8 4.9
Water Depth, ft 27 57 16 41
Bottom Type Fine Silty Coarse Fine
brown brown brown brown
sand w/ sand sand w/ sand
trace of over a few
black black pebbles
silt silt

3.8
57
Slightly
silty
fine
brown
sand w/
grey silt
lumps

1.0 1.2
Yellowish Greenish
greenish yellowish
brown brown
5.6 5.1
16 25
Medium- Fine
coarse brown
sand, sand,
small trace of
pebbles black
silt

68