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Scientists collecting samples on a rocky jetty as waves roll in.
Ocean Sample Collection
Ocean Sample Collection
Ocean Sample Collection

USGS scientists climb on boulders of the jetty to collect blue mussels (Mytilus edulis) from the surf of the Atlantic Ocean.

USGS scientists climb on boulders of the jetty to collect blue mussels (Mytilus edulis) from the surf of the Atlantic Ocean.

USGS Scientist standing in the surf along a rocky jetty
NJ HABs Team
NJ HABs Team
NJ HABs Team

Team of USGS scientists collect blue mussels (Mytilus edulis) and biological measurements from the Atlantic Ocean for analysis of cyanotoxins in mussel tissue. 

Team of USGS scientists collect blue mussels (Mytilus edulis) and biological measurements from the Atlantic Ocean for analysis of cyanotoxins in mussel tissue. 

Map depicting the Maurice River and the cross-sections where it was surveyed for saltwater intrusion
Maurice River Cross Sections
Maurice River Cross Sections
Maurice River Cross Sections

An example of a Maurice River longitudinal profile survey on 6/30/2022. The average specific conductivity is shown at each cross-section. The transects help demonstrate the relationship between specific conductivity and distance upstream from the mouth of the Maurice River.

An example of a Maurice River longitudinal profile survey on 6/30/2022. The average specific conductivity is shown at each cross-section. The transects help demonstrate the relationship between specific conductivity and distance upstream from the mouth of the Maurice River.

Tri-color map depicting the three river basins for this study
Study Basin Map
Study Basin Map
Study Basin Map

The map overview highlights the three basins involved in the monitoring project across southern New Jersey. The USGS gages listed are the nearest telemetry stations recording tidal elevation, specific conductance, and water temperature.

The map overview highlights the three basins involved in the monitoring project across southern New Jersey. The USGS gages listed are the nearest telemetry stations recording tidal elevation, specific conductance, and water temperature.

Looking down a manmade channel funneling the river onto an underpass
Belelville n-Value
Belelville n-Value
Belelville n-Value

Looking upstream along the channel at the n-value cross-sections at 01392500 Second River at Belleville, New Jersey

Looking upstream along the channel at the n-value cross-sections at 01392500 Second River at Belleville, New Jersey

Looking off a balcony over a pier full of boats
Margate Webcam
Margate Webcam
Margate Webcam

Webcam overlooking slips along the Margate Bay at the Beach Thorofare at Margate, New Jersey

Webcam overlooking slips along the Margate Bay at the Beach Thorofare at Margate, New Jersey

Looking across the bay at a Hotel block next to the outlet
Atlantic City Webcam
Atlantic City Webcam
Atlantic City Webcam

Looking out on Atlantic City from the 01410560 Inside Thorofare at Atlantic City, New jersey gage

Looking out on Atlantic City from the 01410560 Inside Thorofare at Atlantic City, New jersey gage

Looking along the river at a riverside community with boats parked in front of many of the houses
Sea Isle Webcam
Sea Isle Webcam
Sea Isle Webcam

New Jersey gage webcam looking out along the river community near 01411350 Ludlam Thorofare at Sea Isle City, New Jersey

New Jersey gage webcam looking out along the river community near 01411350 Ludlam Thorofare at Sea Isle City, New Jersey

Looking downstream from a high angle through trees
Mountainview Webcam
Mountainview Webcam
Mountainview Webcam

Webcam view looking downstream along the Pompton Rover at Mountainview, New Jersey.

Webcam view looking downstream along the Pompton Rover at Mountainview, New Jersey.

River flowing over a large weir into a rocky outflow with a walking path seen on the far side.
Rockaway Webcam
Rockaway Webcam
Rockaway Webcam

Rockaway River flowing over the weir at 01380450 Rockaway River at Main St. at Boonton, New Jersey.

Rockaway River flowing over the weir at 01380450 Rockaway River at Main St. at Boonton, New Jersey.

Looking down a staircase in the woods towards the Delaware River
Belvidere Webcam
Belvidere Webcam
Belvidere Webcam

View from the top of the embankment looking down the stairs to the Delaware River below 01446500 Delaware River at Belvidere, New Jersey

View from the top of the embankment looking down the stairs to the Delaware River below 01446500 Delaware River at Belvidere, New Jersey

River flowing over falls between two rectangular abutments.
Pompton Lakes Webcam
Pompton Lakes Webcam
Pompton Lakes Webcam

Webcam image of the control constricting the flow of the Ramapo River at Pompton Lakes, New Jersey

Webcam image of the control constricting the flow of the Ramapo River at Pompton Lakes, New Jersey

Looking off the bow of a boat downstream at forest on the far bank
Alloway Creek Survey
Alloway Creek Survey
Alloway Creek Survey

Alloway Creek during a recon survey heading upstream from the Quinton boat launch and downstream of the Route 540 Bridge. 

Alloway Creek during a recon survey heading upstream from the Quinton boat launch and downstream of the Route 540 Bridge. 

Millstone river looking at a bridge is bright green and choked with algae
Algal Bloom on the Millstone
Algal Bloom on the Millstone
Algal Bloom on the Millstone

Looking upstream at a Harmful Algal Bloom filling the river on the Millstone River, New Jersey

Looking upstream at a Harmful Algal Bloom filling the river on the Millstone River, New Jersey

Scientist kneeling on beach next to a water grate prepping a sampler to lower down
Shore Sampling
Shore Sampling
Shore Sampling

USGS Scientist Kaitlin Bowen attaches SPATT samplers to a post for deployment at Deal Lake, NJ.

USGS Scientist Kaitlin Bowen attaches SPATT samplers to a post for deployment at Deal Lake, NJ.

Three USGS Scientists deploying equipment on flooded pier in Delaware River
Pyne Poynt Deploy
Pyne Poynt Deploy
Pyne Poynt Deploy

USGS Hydrographers Lucas Sirotniak and Jacob Gray clean the deployment tube during weekly servicing on the Delaware River at Pyne Poynt, Camden, NJ.

USGS Hydrographers Lucas Sirotniak and Jacob Gray clean the deployment tube during weekly servicing on the Delaware River at Pyne Poynt, Camden, NJ.

USGS Scientists collect samples from the Bacteria Sampler
Novel Bacteria Sampling
Novel Bacteria Sampling
Novel Bacteria Sampling

Hydrographer Daniel Skulski collects a field blank sample from the novel bacteria sampler as hydrographer Jacob Gray assists.

Hydrographer Daniel Skulski collects a field blank sample from the novel bacteria sampler as hydrographer Jacob Gray assists.

USGS Scientis standing around a table in the field preparing the probe for deployment
Bacteria Sampler set up
Bacteria Sampler set up
Bacteria Sampler set up

Bottom view of the Fluidon Alert System. Hydrographer Kathryn Cahalane looks on while hydrographers Lucas Sirotniak and Daniel Skulski replace sampling cartridges.

Bottom view of the Fluidon Alert System. Hydrographer Kathryn Cahalane looks on while hydrographers Lucas Sirotniak and Daniel Skulski replace sampling cartridges.

Delaware River showing the edges of the waterfront extension just breaking High tide
Pyne Poynt at High Tide
Pyne Poynt at High Tide
Pyne Poynt at High Tide

Peak tide following a rainy weekend, looking along the Pyne Poynt Park waterfront, where the Fluidion Alert System is deployed.

Peak tide following a rainy weekend, looking along the Pyne Poynt Park waterfront, where the Fluidion Alert System is deployed.

Scientist in Orange and Yellow safety gear uses a long pole to reach into the water and retrieve equipment.
Gathering Samples
Gathering Samples
Gathering Samples

Hydrographer Jacob Gray using a pole sampler to collect a lab validation sample concurrent with the bacteria analyzer sample.

Hydrographer Jacob Gray using a pole sampler to collect a lab validation sample concurrent with the bacteria analyzer sample.

Walled in earthen pier holding the USGS sensor Pipe at low tide in the Delaware Bay
Pyne Poynt at Low Tide
Pyne Poynt at Low Tide
Pyne Poynt at Low Tide

Low tide looking along the Pyne Poynt Park waterfront, where the Fluidion Alert System is deployed.

Low tide looking along the Pyne Poynt Park waterfront, where the Fluidion Alert System is deployed.

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