Snapshot Day 10/18/11 Data
(Salt Front RM 35.7)
RIVER MILE 18
Groundwork Hudson Valley
Science Barge Educator Jeremy Teperman
Alethea Lynch, Fox Meadow School, 25 third graders
Location: Hudson River @ the Science Barge, Yonkers waterfront south of Beczak
Area: Urban housing and waterfront redevelopment
Surrounding Land Use: In order of use: Industrial/Commerical (1); Urban/Residential
(2); Park/picnic (3)
Sampling Site: Docks/pier, bulkheaded concrete, banks changed by people
Plants in area: > 50% of total area has: grass, deciduous trees, coniferous trees,
deciduous trees, coniferous shrubs, cultivated flowers
Water depth:
River Bottom
ITEM
Time
Reading 1
Reading 2
Comments
Physical
Air Temperature *
*edited the C #s in
posting since they
did not match the
F degrees.
Wind Speed
10:45 AM
60F-15.5C 11:03 AM
11:25 AM
60F – 15.5C
62F - 17C
11:58 AM
shade
12:30 PM
shade
10:45 AM
68F - 20C
68F - 20C
64F-17.8C
65F-18.3C
Beaufort 1
11:58 AM
sun
12:30 PM
sun
1-3 kts
81F – 27.2C
73F – 22.8C
77F – 25C
71F – 21.7C
South
11:25 AM
Beaufort 2
4-6 kts
South
11:58 AM
Beaufort 1
1-3 kts
South
1:00 PM
Cloud Cover
Weather today
Weather recently
Water
Water
Temperature
Turbidity
(secchi)_
15.8C
12:08 PM
17.4C
10:36 AM
11:43 AM
49 cm
69
54
55
65 cm
70
68
65
45 cm
35
45
47
40 cm
50
52
50
0.5
1:31 PM
0.0
10:40 AM
6 ppm
16.3 C
60% saturation
10:58 AM
12:00
Noon
12:35 PM
10:10 AM
7 ppm
8 ppm
15.8C
17.4C
70% saturation
80% saturation
5 ppm
8
18C
60% saturated
11:10 AM
12:15 PM
12:45 PM
10:36 AM
7.5
8
7
2 ppt
2 ppt
3 ppt
12:44 PM
Salinity hydrometer
South
10:58 AM
12:21 PM
pH – color match
test kit
1-3 kts
Mostly –
partly
cloudy
No rain
Wet fall but not too much rain in last 3 days
calm
10:10 AM 16.3C
11:20 AM
Chlorophyll
Chemical
DO
(drop count kit)
Beaufort 1
54.5 cm
average
67 cm average
43 cm average
55 cm average
Average 2.33
ppt
Hydrometer and
refractometer
11:20 AM
hydrometer
12:15 PM
Hydrometer
12:45 PM
Nitrates
5:06 PM
Tides
Start
Time
10:15 AM
10:54 AM
11:54 AM
12:28 PM
Time
Current
Shipping – All
Commercial
2 ppt (R)
0 ppt (H)
3 ppt (H)
0 ppt
2
3
3 ppt
2 ppt
2.5 ppm
0 ppm
0 ppm
End Time
10:15 AM
10:45 AM
11:23 AM
12:21 PM
12:59 PM
Ebb/Flood/
Still
Flood
11:10 AM
12:13 AM
12:46 AM
10:25 AM
Flood
Flood
Flood
Bouchard
10:25 AM
11:07 AM
Recreational
Boats
What we saw!
12:08 PM
Blue Jay
12:08 PM
10:45 AM
Speed boat
10:45 AM
11:33 AM
People
Birds
Fishing Boat
Speed Boat
Fishing (1)
In Airplane (4)
Helicopter (2)
Pigeons (2)
Sparrow (7)
Average 1.66
ppt
Average 1.66
ppt
Average 2.5
ppt
0.83 ppm
Change
Rising tide
7 cm rise
7 cm rise
7 cm rise
Notes
Current moving east closer to
shoreline. Maybe pushed by
boats or wind
Current near shore is slower
Little flow by the shore
Black & Red
Southbound/
empty
Grey ship
Anchored/
Empty
White /red &
Northbound/
yellow
empty
Blue
Southbound/
full
Grey
Still/ Full
White
Gas - south
White
White
Boating (3)
Train (1)
Gas South
Gas South
Walking (15)
Bike (1)
Ducks (3)
Seagull (11)
Geese (15)