Day in the Life of the Hudson River 10/20/15
RIVER MILE 23.5
Dobbs Ferry, Waterfront NY
Stephen Fleming & Bill Livingston, EF Academy and 160 Students 11th & 12th,
4 adults total
(41.009253 -73.880438)
Location: Dobbs Ferry Waterfront Park, Westchester NY
Area: Brand new waterfront park
Surrounding Land Use: Parkland
Sampling Site: 10% beach at low tide, 70% rip rap,
Shoreline: shore with bulkhead, area covered with vegetation
Plants in area: Trees, bushes and grasses
Water: Calm
River Bottom: sandy/rocky
ITEM
Time
Reading 1
Reading 2
Comments
Physical - Air
Temperature
Time
F
C
Average
Wind Speed:
10:33 AM
11:15 AM
2:30 PM
Time
9:50 AM
11:03AM
2:30 PM
57
59
68
Beaufort
14
15
20
Anemometer
7-12 mph
4-7 mph
11-16 mph
Direction
N
N
N
Cloud Cover
Clear (<25%)
Partly
Cloudy (2650%)
Mostly
Cloudy (5175%)
10:30 AM
11:15 AM
2:00 PM
2:30 PM
Precipitation
Time
Rain
Describe
None
cool
N
Time
ºC
ºF
Avg. 10:45 AM –
3:00 PM
Reading 1
17 C
62.6 F
Reading 2
Reading 3
Average
mg/L
Water Temp
5.9 mg/L
17
%
Saturation
45%
Weather last 3
days
Water
Temperature
Turbidity – long
site tube
10:15 AM
Chemical
36.7 cm
Time
DO (vernier data 14:30 PM
Overcast
(>75%)
Average
logger)
pH – color
match test kit
Salinity refractometer
Fish Catch Seine 1
Seine 2
Seine 3
Seine 4
Seine 5
Seine 6
Seine 6
Seine 7
Seine 8
Seine 9
Seine 10
Seine 11
Seine 12
Seine 13
Seine 14
Seine15
Seine 16
MACRO-INV.
Seine 1
Seine 2
Seine 5
Seine 6
Avg. 10:45 AM –
3:00 PM
Avg. 10:45 AM –
3:00 PM
ID
Oyster toadfish
Atlantic silverside
Bluefish
Atlantic Silverside
Striped Bass – yoy
Atlantic Silverside
Atlantic Silverside
Atlantic Silverside
Hog Choker
Striped Bass
Atlantic Silverside
Mummichog
Hog choker
Atlantic Silverside
Striped Bass
Hog Choker
Striped Bass
Atlantic Silverside
Mummichog
Striped Bass
Atlantic Silverside
Striped Bass
Atlantic Silverside
Blue fish
Atlantic Silverside
Atlantic Silverside
Atlantic Silverside
Striped Bass
Atlantic Silverside
Striped Bass
(Baby)
Atlantic Silverside
Atlantic Silverside
DIVERSITY 6
Species
Crab
Blue Crab
Blue Crab
Blue Crab
Sand Shrimp
(Crangon)
6.35
10.6 ppt
Number
1
7
2
3
3
17
7
67
1
3
6
3
7
15
1
1
3
6
3
2
8
2
7
2
3
53
45
3
4
3
Longest
7 cm
6 cm
12 cm
6 cm
CPUE
0.011
0.084
0.060
0.036
9 cm
6cm
6 cm
6 cm
15 cm
15 cm
5 cm
0.197
0.084
0.802
0.227
2
67
TOTALS
Count
3
1
1
3
3
6.5 cm
11cm
14.9
6cm
15 cm
5 cm
8 cm
8 cm
8.5 cm
7.5 cm
12 cm
7 cm
7 cm
7 cm
6
6
356
Sex
Unknown
M
M
2M/1F
0.000
0.179
0.012
0.012
0.036
0.072
0.036
0.240
0.875
0.024
0.004
0.012
0.015
0.634
0.539
0.036
0.048
0.036
0.024
Seine 7
Seine 8
Seine 13
Seine 14
Seine 16
Tides -
Currents Boat Traffic –
Commercial
Crabs
Sand Shrimp
(Crangon)
Mud Crab
Blue Crab
Crab
Blue Crab
Blue Crab
Shrimp
Blue Crab
Crab
Shrimp
DIVERSITY 4
Time
7
10:00 AM
10:10 AM
10:20 AM
10:30 AM
10:30 AM
10:40 AM
10:50 AM
11:00 AM
13:47 AM
13:59
14:20
14:25
Time
10:30
3:00 PM
TIME
58 cm
54 cm
50 cm
51 cm
23 cm
25 cm
60 cm
58 cm
71 cm
75 cm
45 cm
41 cm
cm/30 sec
1407.5
287.5
COLOR
E/F/S
E
F
NAME
2:10 PM
Barge
2:21 PM
2:22:00
PM
Barge
14:45
Ship
9:45
Boat
9:46
9:44
Boat
Cargo
ship
13:55
Barge
Barge
9
4
2
3
1
2
1
1
1
Totals 42
H20 height
White
/brown
Red/
brown
Red /white
White and
black
white and
black
white/black
and red
white and
black
White,
black and
F
M
F
F
M
*Rate of
change
7 cm /30 mins Falling
2 cm/10 mins
2 cm/10 mins
4 cm/4 min
4 cm/4 min
Cm/sec
46.92
9.58
N/S
0.2 cm/min
Falling
0.2 cm/min
Falling
1 cm/min
Falling
1 cm/min
Falling
Kts
0.91
Loaded or
Light
Northbound
Light
Southbound
Light
Southbound
Light
Southbound
Light
Northbound
light
Northbound
loaded
northbound
loaded
Northbound
Light
large
boat
New
14:10
Jersey
14:35
Barge
cargo
14:08
boat
speed
14:18
boat
cargo
14:26
boat
Cargo
2.54 PM ship
Cargo
3.05 PM ship
Cargo
9:15
Ship
Cargo
9:43
Ship
large
9:43
boat
Cargo
9:50 AM Ship
10:00
AM
Boat
10:15
Cargo
AM
Ship
Cargo
9:42 AM Ship
9:50 AM Boat
10:05
AM
Barge
10:00
large
AM
boat
cargo
ship
boat
14:25
red
black and
yellow
northbound
loaded
black/white northbound
red/brown northbond
loaded
light
red/black
northbound
light
white
southbound
light
red/brown
Black and
red
brown and
white
Orange/Br
own
Black/whit
e
Black/whit
e
southbound
loaded
northbound
loaded
northbound
light
Northbound
loaded
Northbound
loaded
Northbound
light
Red
Northbound
loaded
white
Northbound
loaded
Blue
Northbound
Loaded
Red
white
White and
Black
Northbound
Northbound
loaded
loaded
Southbound
loaded
black/white Northbound
light
orange
white
Northbound
Northbound
loaded
loaded
Southbound
Light
Southbound
Light
Southbound
Light
Boat Traffic
Recreational
2:21 PM
Speedb
oat
Speedb
oat
14:50
Speed
boat
2:41 PM
Black and
white
Black and
white
Black,
white whit
a stripped
line
2.54 PM
2.57 PM
2.58 PM
sail
boat
sail
boat
speedb
oat
white
northbound
light
white
black and
white
northbound
light
northbound
light