RiverOcean interactions: added insights from a coastal observatory.

1
River/Ocean interactions added insights from a
coastal observatory. Robert J. Chant Scott
Glenn Rutgers University
2

• Tides
• Meteorologically forced flow
• Gravitationally driven flows

Estuarine/coastal Dynamics
Contaminants
Dissolved
Particulate
Contaminant transport
Sediment Transport
3
(No Transcript)
4
(No Transcript)
5
Day Before injection
1 Day After Injection
2 Days after Injection
3 Days after Injection
U 10 cm/s
6
(No Transcript)
7
Gravitational circulation and sediment trapping
River
8
Dioxin in Surface Sediments
9
Low Flow
gm/l
High Flow
gm/l
10
Transport of Passaic River sediment into Newark
Bay
11
(No Transcript)
12
Calibration of ADCP Backscatter against TSS
measurments
Pumped TSS sample
ADCP Backscatter
13
Sediment Transport out of Passaic River
Passaic River Sediment Transport
Tons/day

300
200
100
0
Tidal Range
-100
-200
-300
River Discharge
14
(No Transcript)
15
2005 discharge
Estimate of Total Q
16
(No Transcript)
17
During Down-welling Conditions Coastal Current
2-4 km wide
18
Lagrangian Transport Transformation Experiment
Glider Endurance Latte Lines

19
Salt Section from Glider Endurance Line
March 10-16
May 17-24
Significant Freshening Of 100 km wide section Of
shelf
20
Equal to total discharge since Jan 1, 2005