Harbor seals poking their heads above water near shore in Russell Creek, Cold Bay, Alaska.
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Harbor seals in Russell Creek, Cold Bay, Alaska.
Harbor seals poking their heads above water near shore in Russell Creek, Cold Bay, Alaska.
Longitudinal profiles of estuary depth (in meters) and water temperature in the Milwaukee River Estuary for the Milwaukee, Menomonee, and Kinnickinnic Rivers, as well as South Menomonee Canal for August 30, 2019
linkLongitudinal profiles of estuary depth (in meters) and water temperature in the Milwaukee River Estuary for the Milwaukee, Menomonee, and Kinnickinnic Rivers, as well as South Menomonee Canal (S. Canal) for August 30, 2019.
Longitudinal profiles of estuary depth (in meters) and water temperature in the Milwaukee River Estuary for the Milwaukee, Menomonee, and Kinnickinnic Rivers, as well as South Menomonee Canal for August 30, 2019
linkLongitudinal profiles of estuary depth (in meters) and water temperature in the Milwaukee River Estuary for the Milwaukee, Menomonee, and Kinnickinnic Rivers, as well as South Menomonee Canal (S. Canal) for August 30, 2019.
Row of lab bubblers sample purging prior to analysis
Row of lab bubblers sample purging prior to analysis at the Mercury Research Laboratory in Middleton, WI.
Row of lab bubblers sample purging prior to analysis at the Mercury Research Laboratory in Middleton, WI.
Methylmercury photodecomposition experiment on the roof of building
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
Methylmercury photodecomposition experiment on the roof of USGS building in Middleton, WI.
Erie pier pond in the Saint Louis River estuary in Duluth, MN
Erie pier pond in the Saint Louis River estuary in Duluth, MN.
Erie pier pond in the Saint Louis River estuary in Duluth, MN.
Milwaukee skyline late summer afternoon
View of the Milwaukee, Wisconsin skyline from Lake Michigan looking northwest on a late summer afternoon.
View of the Milwaukee, Wisconsin skyline from Lake Michigan looking northwest on a late summer afternoon.
Downtown Milwaukee with crew row boat
View of downtown Milwaukee with single crew row boat on river.
View of downtown Milwaukee with single crew row boat on river.
View of Lake Michigan from beach
View of Lake Michigan from beach.
View of Lake Michigan from beach.
Virus water sample filtration and collection system schematic
Custom-designed, automated, large-volume virus water sample filtration and collection system schematic.
Custom-designed, automated, large-volume virus water sample filtration and collection system schematic.
USGS scientist extruding Lake Mendota sediment from polycarbonate tube
USGS scientist extruding Lake Mendota, WI sediment while carefully removing sediment that was in contact with the polycarbonate tube to eliminate “edge effects” and smearing of upper sediment into lower portions of the core, UW-Madison Science Hall Lab.
USGS scientist extruding Lake Mendota, WI sediment while carefully removing sediment that was in contact with the polycarbonate tube to eliminate “edge effects” and smearing of upper sediment into lower portions of the core, UW-Madison Science Hall Lab.
Brent Heerspink Headshot
Professional Headshot of Brent Heerspink taken at Michigan State University in the summer of 2019.
Professional Headshot of Brent Heerspink taken at Michigan State University in the summer of 2019.
Groundwater sampling along the north well transect at the Bemidji site
Groundwater sampling along the north well transect at the Bemidji site.
Groundwater sampling along the north well transect at the Bemidji site.
Collecting sediment core freezing drive shoe technology hollow auger
Collecting a sediment core with the freezing drive shoe technology on a hollow stem auger drill rig at Bemidji oil spill site.
Collecting a sediment core with the freezing drive shoe technology on a hollow stem auger drill rig at Bemidji oil spill site.
Bemidji oil spill research team group photo
Group photo of USGS Bemidi oil spill research team meeting in June of 2019 at Ruttgers Birchmont Lodge in Bemidji, MN.
Group photo of USGS Bemidi oil spill research team meeting in June of 2019 at Ruttgers Birchmont Lodge in Bemidji, MN.
Flume in Gary City Hall rain garden, Indiana
South Flume (USGS Station ID: 413611087201301) surrounded by native plant species, including salt-tolerant blue iris, planted in the Gary City Hall rain garden, Indiana.
South Flume (USGS Station ID: 413611087201301) surrounded by native plant species, including salt-tolerant blue iris, planted in the Gary City Hall rain garden, Indiana.
Assessing soil sampling locations at the Badger Army Ammunition Plant
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
Scientist in field assessing soil sampling locations at the Badger Army Ammunition Plant site in Sauk County, WI.
Spring 2019 Flooding - Wild Rice River in Minnesota
WWG Reading on the Wild Rice River in Minnesota during record Midwest flooding in spring 2019.
WWG Reading on the Wild Rice River in Minnesota during record Midwest flooding in spring 2019.
Joel Stokdyk collecting homeowner water sample
USGS scientist Joel Stokdyk collects a homeowner water sample in April 2019.
USGS scientist Joel Stokdyk collects a homeowner water sample in April 2019.
A storm drain that periodically discharges urban runoff
A storm drain that periodically discharges urban runoff, potentially carrying sediment and pollutants, into Oak Creek at 15th Avenue near a USGS gage.
A storm drain that periodically discharges urban runoff, potentially carrying sediment and pollutants, into Oak Creek at 15th Avenue near a USGS gage.
Measuring streamflow on the Middle Fork Crow River near Spicer, MN
USGS hydrologist Erich Kessler prepares to measure the stream stage (the height of the water surface) of the Middle Fork Crow River near Spice, Minnestota.
USGS hydrologist Erich Kessler prepares to measure the stream stage (the height of the water surface) of the Middle Fork Crow River near Spice, Minnestota.
Chippewa Dunes Multibeam Survey - downstream of Durand bridge
Chippewa Dunes Multibeam Survey downstream of Durand bridge.
Chippewa Dunes Multibeam Survey downstream of Durand bridge.