Day in the Life of the Hudson River 10/16/14
(Salt Front RM 69.5)
RIVER MILE 23.5
Dobbs Ferry, Waterfront NY
Stephen Fleming & Bill Livingston, EF Academy and 45 Junior Biology Students
and 4 adults total
(41.009253 -73.880438)
Location: Dobbs Ferry, Half-Moon Restaurant waterfront south of Waterfront Park
Area: South edge of parking lot of the Half Moon Restaurant
Surrounding Land Use: Commercial
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
18
18
19
19
Anemometer
4.8 m/s
3.5 m/s
4.5 m/s
18.5
Wind Speed:
Cloud Cover
14:15
14:30
14:45
15:00
Time
14:53
15:15
15:30
Beaufort
Clear (<25%)
Partly
Cloudy (2650%)
Mostly
Cloudy (5175%)
Time
Rain
Describe
All Day
Y
Light and
moderate
Direction
S
S
S
Overcast
(>75%)
All Day
Precipitation
Weather last 3
days
Water
Temperature
Y
Warm, wind and rainy
Time
ºC
14:31
17
14:35
14:40
19
19.5
ºF
Average
18.5
Turbidity – long
site tube
14:10
Chemical
Reading 1
Reading 2
Reading 3
Average
37cm
Time
36 cm
mg/L
37 cm
Water Temp
10 mg/L
19
36.3 cm
%
Saturation
105%
10 mg/L
7 mg/L
9 mg/L
7.5
19
20
20
105%
80%
95%
7.5
7.5
7.5
7.4
7.6
7.5
7.5
7.5
7.5
Number
2
1
Longest
15 cm
33 cm
DO (vernier data 14:35
logger)
14:45
13:15 pm
13:55 pm
pH – color
10:02 am
match test kit
13:37
7.5
13:55
7.5
14:15
7.6
Salinity quantab
Fish Catch Time
Seined
14:30
Seined
14:45
TOTALS
Tides -
Currents 14:32
14:45
15:03
Boat Traffic:
Time
13:58
14:18
14:28
14:35
14:40
Feet
13:35
ID
silverside
American
eel
Diversity 2
Water
height
24 cm
26 cm
29 cm
33 cm
35 cm
cm
cm/30 sec
100
100cm/30 sec
110
110cm/30 sec
100
100cm/30 sec
Tug and Red
Barge
Totals 3
*Rate of
change
Base reading
Rising
Rising
Rising
Falling
Cm/sec
33.3cm/sec
36.7cm/sec
33.3 cm/sec
Northbound
0.1cm/sec
0.3 cm/sec
0.6 cm/sec
0.4 cm/sec
N/S
S
S
S