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1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL
1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL
1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL
1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL

1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL.
Hydroacoustic Work Group members present included: Scott Morlock, Phil Zyrmiak, Kevin Oberg, Mike Simpson, Victor Levesque, David Mueller, Steve Lipscomb, Kirk Thibodeaux, Paul-Emile Bergeron, and John Goodson.

1999: The HaWG at the Hydroacoustics Workshop in Tampa, FL.
Hydroacoustic Work Group members present included: Scott Morlock, Phil Zyrmiak, Kevin Oberg, Mike Simpson, Victor Levesque, David Mueller, Steve Lipscomb, Kirk Thibodeaux, Paul-Emile Bergeron, and John Goodson.

2002 HaWG group at Menlo Park, CA Metting
2002 HaWG group at Menlo Park, CA Metting
2002 HaWG group at Menlo Park, CA Metting
2002 HaWG group at Menlo Park, CA Metting

2002: The HaWG at a meeting in Menlo Park, CA.
Those present included Hydroacoustic Work Group members: Phil Zyrmiak, Kevin Oberg, Brian Loving, John Goodson, Scott Morlock, John Shelton, Mike Rehmel, David Mueller, Victor Levesque, Paul-Emile Bergeron, Kirk Thibodeaux, Mike Simpson, and Jim DeRose.

2002: The HaWG at a meeting in Menlo Park, CA.
Those present included Hydroacoustic Work Group members: Phil Zyrmiak, Kevin Oberg, Brian Loving, John Goodson, Scott Morlock, John Shelton, Mike Rehmel, David Mueller, Victor Levesque, Paul-Emile Bergeron, Kirk Thibodeaux, Mike Simpson, and Jim DeRose.

Image: In Route to Sampling Station
In Route to Sampling Station
In Route to Sampling Station
In Route to Sampling Station

USGS scientists (from left) Judy Drexler, Brian Bergamaschi, Tamara Kraus, Bryan Downing and Katy O’Donnell in route to a sampling station aboard the USGS R/V Mary Landsteiner.

Location: Northern San Francisco Estuary, CA

USGS scientists (from left) Judy Drexler, Brian Bergamaschi, Tamara Kraus, Bryan Downing and Katy O’Donnell in route to a sampling station aboard the USGS R/V Mary Landsteiner.

Location: Northern San Francisco Estuary, CA

Image: USGS Scientists Taking Field Measurements
USGS Scientists Taking Field Measurements
USGS Scientists Taking Field Measurements
USGS Scientists Taking Field Measurements

USGS scientists (from left) Judy Drexler, Tamara Kraus and Bryan Downing and Katy O’Donnell preparing to take spot field measurements in the San Francisco estuary.

Location: Northern San Francisco Estuary, CA

USGS scientists (from left) Judy Drexler, Tamara Kraus and Bryan Downing and Katy O’Donnell preparing to take spot field measurements in the San Francisco estuary.

Location: Northern San Francisco Estuary, CA

Image: Calibrating Real-time Measurements
Calibrating Real-time Measurements
Calibrating Real-time Measurements
Calibrating Real-time Measurements

The USGS R/V Mary Landsteiner shown at a brief stop during a study in the Northern San Francisco estuary. USGS scientist Bryan Downing is shown calibrating the on-board real-time underway measurement system.

Location: Northern San Francisco Estuary, CA

The USGS R/V Mary Landsteiner shown at a brief stop during a study in the Northern San Francisco estuary. USGS scientist Bryan Downing is shown calibrating the on-board real-time underway measurement system.

Location: Northern San Francisco Estuary, CA

USGS streamgage located on Little Back Creek, Bath, Virginia
USGS streamgage located on Little Back Creek, Bath, Virginia
USGS streamgage located on Little Back Creek, Bath, Virginia
USGS streamgage located on Little Back Creek, Bath, Virginia

USGS streamgage located below the upper reservoir at the pump-storage station on Little Back Creeek, in Bath, Virginia, located in George Washington National Forest.

USGS streamgage located below the upper reservoir at the pump-storage station on Little Back Creeek, in Bath, Virginia, located in George Washington National Forest.

rocky sandy beach at sunset
Long Island beach
Long Island beach
Image: USGS Streamgage in Richmond, Texas
USGS Streamgage in Richmond, Texas
USGS Streamgage in Richmond, Texas
USGS Streamgage in Richmond, Texas

A modern 21st century-style streamgage on the Brazos River in Richmond, Texas.

Rivanna River, VA
Rivanna River, VA
Rivanna River, VA
Rivanna River, VA

This view is looking upstream from the USGS gage 02034000 RIVANNA RIVER AT PALMYRA, VA . It is one of the 43 research sites in the Chespeake Synoptic Floodplain Network. 

This view is looking upstream from the USGS gage 02034000 RIVANNA RIVER AT PALMYRA, VA . It is one of the 43 research sites in the Chespeake Synoptic Floodplain Network. 

USGS gage 09234500 Green River near Greendale, UT. Travis Gibson and John Carricaburu measuring Discharge
USGS Employees Measure Discharge, USGS Gage 09234500 Green River UT.
USGS Employees Measure Discharge, USGS Gage 09234500 Green River UT.
USGS Employees Measure Discharge, USGS Gage 09234500 Green River UT.

Travis Gibson and John Carricaburu measuring Discharge at USGS gage 09234500 Green River near Greendale, UT.

2 men setting up geophysical logging at a borehole well in a field in western MD
Geophysical logging
Geophysical logging
Geophysical logging

Geophysical logging at a borehole well in western Maryland

Geophysical logging at a borehole well in western Maryland

Screen capture of a PowerPoint slide with the caption "This video gives an overview of the Seawater Intrusion package."
ModelMuse: SWI Concepts
ModelMuse: SWI Concepts
ModelMuse: SWI Concepts

Screen capture of a PowerPoint slide with the caption "This video will give an overview of how the Seawater Intrusion package works."

Screen capture of a PowerPoint slide with the caption "This video will give an overview of how the Seawater Intrusion package works."

Screen capture of ModelMuse displaying an SWI model with the caption "You can see the position of the interface."
ModelMuse: SWI Example
ModelMuse: SWI Example
ModelMuse: SWI Example

Screen capture of ModelMuse displaying an SWI model with the caption "You can see the position of the interface at the end of the final stress period."

Screen capture of ModelMuse displaying an SWI model with the caption "You can see the position of the interface at the end of the final stress period."

Sunfish
Sunfish
Sunfish
Sunfish

Sunfish from the Southeast Stream Quality Assessment. An increase in sunfish in southeastern streams, intentionally stocked or unintentionally transplanted, has caused the composition of fish species among streams in the Southeast to become more similar. Such homogenization of species is an emergi

Sunfish from the Southeast Stream Quality Assessment. An increase in sunfish in southeastern streams, intentionally stocked or unintentionally transplanted, has caused the composition of fish species among streams in the Southeast to become more similar. Such homogenization of species is an emergi

view across Ashumet Pond, Cape Cod, Massachusetts, with sampling grid markers in forground
Ashumet Pond, Cape Cod with sample grid markers
Ashumet Pond, Cape Cod with sample grid markers
Crest-stage gage 07307550 Wind River tributary, Northfield, Texas
Crest-stage gage 07307550 Wind River tributary
Crest-stage gage 07307550 Wind River tributary
Crest-stage gage 07307550 Wind River tributary

U.S. Geological Survey crest-stage gage 07307550 Wind River tributary at Farm to Market 656 near Northfield, Texas, looking downstream, May 24, 2014 (photograph by W.H. Asquith).
Cover photograph for U.S. Geological Survey Scientific Investigations Report 2018–5107

U.S. Geological Survey crest-stage gage 07307550 Wind River tributary at Farm to Market 656 near Northfield, Texas, looking downstream, May 24, 2014 (photograph by W.H. Asquith).
Cover photograph for U.S. Geological Survey Scientific Investigations Report 2018–5107

Screen capture of the ModelMuse main window with a caption indicating how to activate MODFLOW-CFP.
ModelMuse: MODFLOW-CFP
ModelMuse: MODFLOW-CFP
ModelMuse: MODFLOW-CFP

Screen capture of ModelMuse displaying an expanded "Model" menu and the cursor over "MODFLOW Packages and Programs". A caption reads "Then select 'MODFLOW Packages and Programs' and then select the Conduit Flow Process."

Screen capture of ModelMuse displaying an expanded "Model" menu and the cursor over "MODFLOW Packages and Programs". A caption reads "Then select 'MODFLOW Packages and Programs' and then select the Conduit Flow Process."

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