Snapshot Day 10/12/05 Data
(Salt Front RM 53.2)
RIVER MILE 15
Inwood Hill Park
Latitude 4050’N/ Longitude 7355’W
Location: In the cove of Inwood Hill Park
Area: Forested
Surrounding Land Use: Forested 100% - beyond the park there is a residential area
Sampling Site: muddy 15%; rocky 75%; covered with vegetation, banks altered, large
riprap on shoreline, collected wood/debris in area
Plants in area: 10% common reed; some plant life on shore and in the water. Plants do
not cover more than half of the area – only about 10% phragmites
Water depth: 25 cm
River Bottom – muddy
ITEM
Time
Reading 1
Reading 2
Comments
Physical
Air Temperature
11:12 AM
12.2C
54 F
Northwest
12:55
12.2C
54 F
Wind Speed
Cloud Cover
Weather today
Weather recently
Water
Temperature
Turbidity
Chlorophyll
Chemical
DO
(drop count kit)
pH
Phosphate
Nitrate
Alkalinity
Salinity
4-6 knots
overcast
Intermittent torrential rain all day
Intermittent torrential rain and windy weather conditions
Site 1 -SE 11:04
YSI meter
C 15.7
Site 2-SW 11:21
Site 3-NW 10:40
n/a
C 12.2
C 19.5
11:40
Didn’t match
11:04
6.4 mg/L
Temp.15.7 C
67% saturated
11:21
10:40
6.1 mg/L
5.6 mg/L
12.2  C
19.5  C
60%
65%
4.6 ppt
5.5 ppt
14.7 ppt
YSI meter
Site 1 -SE 11:04
Site 2-SW 11:21
Site 3-NW 10:40
Conductivity
Fish Catch
Site #1
Site #2
Site 1 -SE
Site 2-SW
Site 3-NW
Number
Caught
6
11:04
11:21
10:40
Species
6.17 mS
8.10 mS
21.50 mS
CPUE
.094
15
Atlantic
Silversides
mummichogs
3
1
9
unknown
grass shrimp
crabs
44
mummichogs
1.03
Seine &
Minnow traps
Seine 1 (2)
10:25
Seine 2 (22)
10:50
Minnow traps
set in 3 areas
105
Mummichogs
1
Crab (female)
Sit #3
5
Mummichogs
2
Silversides
1
unknown
12:25 pm 40 cm
Flood/rising
Tides
1:32 pm
65 cm
Flood/rising
12:25
0.41 cm/sec
North/flood
0.008 knots
Currents
1:32
0.44 cm/sec
North/flood
0.009 knots
Nature Center is located on a peninsula which interferes with the flow of the river
because it just into the river – this can cause the current near shore to flow
differently than the current in the middle of the Hudson
Traffic