A USGS scientist analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
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A USGS scientist analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
linkUSGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
linkUSGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project.
Mercury Research Laboratory team at the Forest Products Laboratory in Madison, Wisconsin
Mercury Research Laboratory team at the Forest Products Laboratory in Madison, Wisconsin
USGS scientist Mike Tate sets up the mass spectrometer for mercury isotope measurements.
USGS scientist Mike Tate sets up the mass spectrometer for mercury isotope measurements.
Scientist Emeritus Dave Krabbenhoft collecting water sample at edge of Green Lake, Minnesota (Kandiyohi County).
Scientist Emeritus Dave Krabbenhoft collecting water sample at edge of Green Lake, Minnesota (Kandiyohi County).
Close up of the Green Lake, Minnesota (Kandiyohi County) shoreline showing zebra mussels washed up on shore, October 2021
Close up of the Green Lake, Minnesota (Kandiyohi County) shoreline showing zebra mussels washed up on shore, October 2021
Entrance to the USDA Forest Products Laboratory building in Madison, Wisconsin, home of the Upper Midwest Water Science Center Wisconsin office and the Mercury Research Laboratory.
Entrance to the USDA Forest Products Laboratory building in Madison, Wisconsin, home of the Upper Midwest Water Science Center Wisconsin office and the Mercury Research Laboratory.
MC-ICP-MS used for mercury stable isotope analyses.
MC-ICP-MS used for mercury stable isotope analyses.
Nippon mercury analyzer for sediments and fish.
Nippon mercury analyzer for sediments and fish.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Graduate student, Grace Armstrong, performing mercury uptake studies in plankton at Mercury Research Laboratory, Middleton, Wisconsin.
Sediment core sample taken at Grubers Grove Bay on the Wisconsin River, Wisconsin.
Sediment core sample taken at Grubers Grove Bay on the Wisconsin River, Wisconsin.
USGS Mercury research team collecting fish in Everglades National Park, Florida.
USGS Mercury research team collecting fish in Everglades National Park, Florida.
Panoramic view of USGS employees at a sampling site in Florida Everglades.
Panoramic view of USGS employees at a sampling site in Florida Everglades.
Scientists filtering water in the field at Everglades National Park, Florida.
Scientists filtering water in the field at Everglades National Park, Florida.
Internal look at the MC-ICP-MS flight tube when magnet is removed.
Internal look at the MC-ICP-MS flight tube when magnet is removed.
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 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.
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.
Scientists collecting water samples for mercury isotope analysis in the Mobile River, Alabama.
Scientists collecting water samples for mercury isotope analysis in the Mobile River, Alabama.
Panoramic view of scientists in boat on Hells Canyon Reservoir, Idaho
Panoramic view of scientists in boat on Hells Canyon Reservoir, Idaho