USGS researchers Aaron Porter and Chelsea Vande Pol use a handheld acoustic doppler velocimeter to measure streamflow in a stormwater drain as a part of the Hampton Roads Regional Water Quality Monitoring Program.
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Measuring streamflow in storm drains in Hampton Roads, Virginia
USGS researchers Aaron Porter and Chelsea Vande Pol use a handheld acoustic doppler velocimeter to measure streamflow in a stormwater drain as a part of the Hampton Roads Regional Water Quality Monitoring Program.
Methods of subsidence and sea level rise monitoring
When it comes to measuring land subsidence, sea level rise, and shoreline retreat, the USGS uses a variety of methods, each with their own strengths and drawbacks.
When it comes to measuring land subsidence, sea level rise, and shoreline retreat, the USGS uses a variety of methods, each with their own strengths and drawbacks.
Virginia Coastal Plain Aquifer systems
The Virginia Coastal Plain is the relatively flat region east of the fall line characterized by a wedge of coarse permeable sediments with interbedded layers of less-permeable silts and clays that thickens towards the east. The region has multiple layered aquifers, including the Potomac aquifer system.
The Virginia Coastal Plain is the relatively flat region east of the fall line characterized by a wedge of coarse permeable sediments with interbedded layers of less-permeable silts and clays that thickens towards the east. The region has multiple layered aquifers, including the Potomac aquifer system.
USGS Gage Box
A USGS gage box by the bridge over the Roanoke River at Rts 639/760 at Salem, VA - USGS Water Data for the Nation
Virginia Extensometers Depth Comparison
How Deep Do We Drill?
Groundwater Monitoring Well - Franklin, Virginia
The USGS well at Franklin, Virginia (USGS 364059076544901 55B 16) constantly monitors water levels in the Potomac Aquifer and provides scientists with a record of water levels going as far back as 1960.
The USGS well at Franklin, Virginia (USGS 364059076544901 55B 16) constantly monitors water levels in the Potomac Aquifer and provides scientists with a record of water levels going as far back as 1960.
Hydrologic Unit and National Hydrography Dataset Plus Medium Resolution Spatial Scales Example
Hydrologic Unit and National Hydrography Dataset Plus Medium Resolution Spatial Scales Example
Hydrologic Unit and National Hydrography Dataset Plus Medium Resolution Spatial Scales Example
Measuring sediment deposition in a floodplain using soil cores
USGS scientists measure the amount of sediment deposition occurring in the floodplains along the Long Branch stream using soil cores. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
USGS scientists measure the amount of sediment deposition occurring in the floodplains along the Long Branch stream using soil cores. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
USGS scientist takes water sample from a Fairfax County stream
USGS scientist takes water sample from Fairfax County stream as part of the Fairfax County Water Resources Monitoring Network.
USGS scientist takes water sample from Fairfax County stream as part of the Fairfax County Water Resources Monitoring Network.
Borehole Extensometer
Borehole Extensometer
Borehole extensometers are highly sensitive instruments which measure aquifer compaction. This infographic explains the various parts of a borehole extensometer, and is modeled after the USGS extensometer at Nansemond, Virginia.
Borehole Extensometer
Borehole extensometers are highly sensitive instruments which measure aquifer compaction. This infographic explains the various parts of a borehole extensometer, and is modeled after the USGS extensometer at Nansemond, Virginia.
Glacial Isostatic Adjustment
Glacial isostacy is the upward or downward land motion caused by the weight of ice sheets deforming the Earth's crust. The weight of the ice sheet deforms the underlying crust downward and displaces the underlying lithosphere, creating an indentation.
Glacial isostacy is the upward or downward land motion caused by the weight of ice sheets deforming the Earth's crust. The weight of the ice sheet deforms the underlying crust downward and displaces the underlying lithosphere, creating an indentation.
Collecting water quality samples from the New River Gorge
Collecting water quality samples from the New River Gorge in support of USGS-NPS partnership.
Fall 2022 Photo Contest Winner: Matt Kearns, USGS at Work category
Collecting water quality samples from the New River Gorge in support of USGS-NPS partnership.
Fall 2022 Photo Contest Winner: Matt Kearns, USGS at Work category
Bank Erosion at Long Branch
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Streambank Erosion at Long Branch
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Streambank Erosion at the Long Branch Monitoring Site
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Streambank erosion is a common problem in urban watersheds. This heavily eroded streambank is located within the Long Branch watershed in Fairfax County, Virginia. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Floodplain Monitoring Site in the Long Branch Watershed, Fairfax, Virginia
A floodplain monitoring site along the Long Branch stream. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
A floodplain monitoring site along the Long Branch stream. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Floodplain Monitoring site in the Long Branch Watershed, Fairfax, VA
A floodplain monitoring site along the Long Branch stream. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
A floodplain monitoring site along the Long Branch stream. This site is monitored as a part of the Fairfax County Water Resources Monitoring Network.
Prepping Water-Quality Samples for Shipping
Water-quality samples collected as part of a sampling campaign across the Potomac River watershed. Water-quality analyses are time-sensitive. At the end of each sampling day, samples are shipped overnight to the respective water-quality labs.
Water-quality samples collected as part of a sampling campaign across the Potomac River watershed. Water-quality analyses are time-sensitive. At the end of each sampling day, samples are shipped overnight to the respective water-quality labs.
Antietam Creek below Hagerstown, Maryland
Antietam Creek below Hagerstown, Maryland (U.S. Geological Survey site identifier 01619270).
Antietam Creek below Hagerstown, Maryland (U.S. Geological Survey site identifier 01619270).
Aquifer compaction and land subsidence
This animated infographic shows how aquifer compaction can lead to land subsidence. When water is pumped from a confined aquifer faster than it can recharge, the water pressure in the aquifer begins to decrease. As water pressure decreases, both the confining layers and the aquifers themselves can start to compact under the weight of the overlying sediments.
This animated infographic shows how aquifer compaction can lead to land subsidence. When water is pumped from a confined aquifer faster than it can recharge, the water pressure in the aquifer begins to decrease. As water pressure decreases, both the confining layers and the aquifers themselves can start to compact under the weight of the overlying sediments.
Virginia Extensometer Network
This static map shows the locations of the three existing extensometers (red) in the USGS' Virginia Extensometer Network with the location of a fourth future extensometer (green). The basemap is of the Virginia Coastal Plain and shows the severity of groundwater depletion, with darker blue indicating greater groundwater depletion.
This static map shows the locations of the three existing extensometers (red) in the USGS' Virginia Extensometer Network with the location of a fourth future extensometer (green). The basemap is of the Virginia Coastal Plain and shows the severity of groundwater depletion, with darker blue indicating greater groundwater depletion.