Snapshot Day 10/12/06 Data
(Salt Front RM 52.5)
RIVER MILE 35
Croton Point County Park, Croton, NY
Jason Choi, Sleepy Hollow High School, 11th-12th grade
Location: Waterfront park in Westchester County Park
Area: Beach, Grassy,
Surrounding Land Use: Evidence of Human Activity: Condos, Railroad nearby,
Reclaimed Landfill, Park
Sampling Site: beach area
Plants in area: virtually no submerged aquatic vegetation
Water depth:
River Bottom –
ITEM
Time
Reading 1
Physical
Air Temperature
10:14 AM
19.5 C
10:44 AM
20.2 C
11:14 AM
18.5C
Wind Speed
Cloud Cover
Weather today
Weather recently
Water
Temperature
10:20 AM-
Comments
C
F
Beaufort 2 From West
6-11 km/hr
10:19 – 10:52 overcast; 11:35 mostly cloudy; 12:34 overcast
cloudy
rain last night
10:14 AM 19.9C
10:44 AM
11:14 AM
Turbidity
Reading 2
20.2C
20.2C
Chlorophyll
Chemical
DO
(drop count kit)
pH (litmus paper)
Phosphate
Nitrate
Alkalinity
Salinity
(Test kit)
Fish Catch From mother’s
lap
Tides
Currents
Core Sample
10:30 AM
0.7
10:44 AM
20.2C
10:42
6.8
11:00 AM
4.2 ppt
Number
Caught
Species
9.4 mg/L
110% saturated
Size
seine
0
1
1
2
2
2
2
4
1
2
2
5
2
2
3
10:10 AM
10:30 AM
10:50 AM
11:10 AM
11:30 AM
11:50 AM
12:10 AM
Seine 1
Seine 2
Striped Bass
Pipefish
Mud crabs
Striped Bass
Silversides
Blue crabs
Mud crabs
Striped Bass
Silversides
Blue crabs
Mud crabs
Silversides
Silversides
Mud crabs
0.0 cm
5.0 cm
11 ccm
16 cm
24 cm
30 cm
37 cm
rising
rising
rising
rising
rising
rising
rising
20 cm
long
Mostly sand,
coarse & hard
Difficult to
obtain sample
Seine 3
Seine 4
Seine 5
Softer and
silkier thin
layer of silt or
clay.