Day in the Life of the Hudson River 10/20/15 Data
RIVER MILE 25W
Piermont Pier
Margie Turrin & 9 Lamonters, Lamont-Doherty Earth Observatory
Latitude N 41 degrees 02’591 Longitude W 73 degrees 53’794
Tom Mullane, Eileen McCaffrey, and
Catherine Bonanno– Pearl River HS
APES – 44 Students
Jennifer Mazza
Clarkstown South HS
13 Environmental Science Students
Julie West, Oak Meadow School
4 students
Location: Piermont Pier, Piermont NY
Area: Man made fishing/shipping pier at the east end, long pier with paved roadway and
vegetated strip along both sides
Surrounding Land Use: Urban/residential 80% , Forested 20%
Sampling Site: Pier, roadway in center of whole pier, parking area at end, Plants and
trees along side. Shoreline Rip Rap, collected wood in area and piping entering river on
the south of sampling site
Plants in area: no submerged aquatic plants in the water
Water depth: Varied by location on the pier and by tide
River Bottom – sandy/rocky bottom with marsh grass growing in or near the water
Plants in area: sumac and other plants 15%; phragmites 85%
ITEM
Time
Temperature
Weather & Observations
Physical
9:10AM
Beaufort 2
Cloud cover
Air
12.2C
Mph
10
SW
26-50%
Temperature
F
9:45 AM
Beaufort 1
Cloud cover
13C
1-3 kts
26-50%
F
1
10:45 AM
12:15 PM
1: 10 PM
Weather today
Weather last 3
days
Water
Temperature
Turbidity –
Long Site Tube
18.5 C
F
Beaufort 3
Mph 8-12 SW
Beaufort 3
Mph 8-12
SSW
Wind S
Cloud cover 025%
Cloud cover 025%
No precip
COLD – constantly, no precip.
Time
9:10AM
9:45 AM
10:45 AM
12:15 PM
1: 10 PM
Time
9:10AM
10:00 AM
10:45 AM
12:12 PM
1:15 PM
Secchi
15C
F
17C
9:10
10:00 AM
Surface Sample
thermometer
5.2C
13.3C
11.9C
15.5C
14.7 C
Long Site Tube
10 cm
14 cm
10.5 cm
11 cm
10.0 cm
9.5 cm
22.6 cm
27.8 cm
16.6 cm
28.0 cm
16.5 cm
11 cm
12 cm
7.1 cm
8 cm
30 cm
30
40
30
26
60
65
60
40 cm
40
35
35
40
40
Meter sample
13.1C
14.2 C
Average
11.1 cm
9.75 cm
23.75 cm
13.17 cm
7.55 cm
43.8 cm
41.33 cm
2
10:40 AM
10:48 AM
12:15 PM
1:15 PM
Water Depth tides
45
47
50
45 cm
40
40
27
27
28
40
45
48
69 cm
50
40
10 cm
7
9
9
8
10
20
20
20
19 cm
12
8
17
16.5
15
32
Time
Pier to Bottom
9:04 AM
9:27 AM
9:53 AM
10:10 AM
127 cm
111 cm
88 cm
111 cm
37.8 cm
53 cm
12.6 cm
17.1 cm
Pier to water
surface
51 cm
51 cm
46 cm
52 cm
Water Depth
@ pier end
76 cm/fall
60 cm/fall
42 cm/fall
59 cm/rise
Transition to
rising tide
*10:40 AM
155 cm
53 cm
102 cm/rise
*read in center
of pier - found
12:15 PM
190 cm
110 cm
80 cm/rise
a deeper pocket
See HRECOS depth data below
Chemical
SAMPLES * see HRECOS readings appended at the end of the
student reporting
DO
TIME
DO Reading
Water
% Saturation
Temp
9:10AM
14 ppm
110%
Drop count
5.2C
3
pH
colorimeter
Other
Chemistry
9:45 AM
10:45 AM
12:15 PM
1: 10 PM
TIME
9:10AM
9 ppm
12 ppm (bubble)
3
10 ppm
8.0
7.5
7.5
8.3
TIME
Phosphates
colorimeter
0.2 mg/L
0.42 mg/L
0.5 mg/L
0 mg/L
Nitrates
Drop count
0.44 mg/L
0 mg/L
0 mg/L
0 mg/L
meter ppt
*Salinity -
Refracto.
Glass
Hydrometer
9:10AM
10 ppt
9:45 AM
10:45 AM
9.2 ppt
1.007s.g.@5.2 C
8.7 ppt
10 ppt
12:15 PM
9 ppt
1: 10 PM
Fish Catch
Northside of
pier
14 ppt
Number
Caught
Rotation #1
Fish
14
Rotation #2
Fish
Macroinvert
2
500 +
17
1
21
3
1
1
8
20
85%
110%
30%
96%
7.8
9:45 AM
10:45 AM
12:15 PM
1: 10 PM
9:10AM
9:45 AM
10:45 AM
12:15 PM
Macroinvert
13.3C
11.9C
15.5
14.7C
Alkalinity
Drop count
59 ppm
72 ppm
136 ppm
60 ppm
8.5 ppt
8.9 ppt
1.0075 s.g.
Species
Atlantic
Silverside
Striped Bass
Comb jellies
Blue Crab
Sand Shrimp
Atlantic
Silverside
Striped Bass
American Eel
Blue Crab
Sand Shrimp
Comb Jellies
8.8 ppt
8.9 ppt
Measure of
largest
14 cm
9 cm
6 cm
6 cm
2.5 cm
9.5 cm
11cm
15 cm
3.5 cm
4 cm
4 cm
TIME &
CATCH
9:30 AM
F -DIV - 2
16 Totals
Macro
M - DIV 3
518 Totals
10:25 AM
F-DIV 3
25 totals
Macro
M – DIV 3
29 Totals
4
Rotation #3
Fish
Macroinvert
49
10
1
1
75
6
2
11 cm
16 cm
NR
14 cm
3 cm
2.5 cm
8.3 cm
2
Atlantic
Silverside
Striped Bass
Macroinvert
40
2
5
Comb Jelly
Blue Crab
Sand Shrimp
10 cm
3.5 cm
3 cm
Rotation #5
Fish
52
Rotation #4
Fish
Macroinvert
GRAND
TOTALS
Sediment
Cores –
(Nichole &
Clare helping
from core lab)
9:30 AM
shallow
9:30 AM
deep
10:00 AM –
Shallow
104
Atlantic
Silverside
Striped Bass
mummichog
White Perch
Comb Jelly
Blue Crab
Sand Shrimp
3
1
100
Atlantic
Silversides
Striped Bass
White Perch
Comb Jellies
9 cm
7 cm
10 cm
8 cm
10:45 AM
Fish
F - DIV 4
61 Totals
Macro
DIV – 3
83 Totals
12:20 PM
Fish
DIV 2
106 Total
Macro
M - DIV - 3
47 Total
1:00 PM
FISH
F - DIV - 3
56 - Total
M - DIV 1
100 Total
FISH
DIV - 5
Length
FISH
TOTAL – 264
H2S
Rare
Smell
MACRO
DIV- 3
Common
7 cm total:
Oxidized top
bottom ~5 cm
plant material,
top ~ 2 cm
sand
32cm with
oxidized top
top 7 cm 4 layers noted:
~1-2 cms
bottom
~13 cm next
~7 cm next
~7 cm top
11cm
bottom ~ half
plant material,
~top half sand
No
Sand
Gravel
N/R
N/R
Clay
Sand
Gravel
N/R
Yes
No
Clay
Sand
Gravel
Pebbles
Coal
Clay
MACRO
TOTAL - 777
Abundant
5
10:00 AM
deep
10:40 AM –
shallow
32 cm
1) bottom few
cm sand, 2)
main section
clay, 3) top
few cm sand
11 cm
disaggregated
No
Sand
N/R
No
N/R
N/R
30 cm
oxidized top
(no measure
on this)
9 cm
oxidized top
(no measure
on this)
11.5 cm
oxidized top
(4 cm)
No
Sand
Gravel
N/R
Yes
Mud
1:07 PM
left shore
12 cm no
oxidized top
Yes
1:07 PM
deep core
17.5 cm
no oxidized
top
No
10:40 AM
deep
12:30 PM
Shallow
12:30 PM
deep
Yes
Gravel
Pebbles
Wood
(roots?)
Brick
Living
veget.
(sprouts
& roots)
Mud
Shells
Pebbles
Clay,
Clay
Mud
Sand
Gravel
Clay
Mud
Pebbles
Sand
Gravel
Sand
Clay
Mud
Sand
Gravel
Pebbles
Coal (image
below)
N/R
Above core- pebbles, sand, coal
Mud
Gravel
Sand
Piermont HRECOS Screen Captures on following pages
HRECOS site is located just behind the rectangular eastern end of the pier
attached to one of the pier stations. When operational it is a continuous data feed
recorded every 15 minutes.
6
Depth – sampling team captured the transition from a falling to rising tide
Air Temperature
7
DO ppm
Water temperature
8
pH
Salinity in psu (equates in the Hudson to ppt)
9