Images

A USGS technician and contractor (GLSC; Ann Arbor, Michigan) deploy an Iver3 Autonomous Underwater Vehicle (AUV) from the Research Vessel Dragonfly in Lake Michigan's Porte des Morts in Door County, Wisconsin. Data collected from the AUV are being used to characterize and map physical habitats and invasive species on the lakebed as

Hydrologic Technician Ryan Ennis and Physical Scientist Kathryn Johncock collect fish from Underwood Creek in Wauwatosa, Wisconsin, using a backpack shocker. The backpack shocker is used to sample fish via electrofishing.

Large volume surface water collections for mercury isotopes in Lake Erie on the US EPA research vessel Lake Explorer II.

A Hydrologic Imagery Visualization and Information System (HIVIS) camera in Eau Claire, Wisconsin, at Grand Avenue overlooking the Chippewa River.

Biologist Leon Katona collects a water sample on the Fox River, Wisconsin as part of a sampling effort using the Fast Limnological Automated Measurements (FLAMe) platform.

A small flock of brown and golden laying hens (chickens), on a farm in the Upper Midwest.

Two scientists guide sampling equipment attached to large crane, on to deck of boat.

USGS is conducting sediment collection for metals and mercury analysis for Lake Erie, on the US EPA research vessel Lake Guardian.

USGS scientists training university researchers on soil collections for trace metals while at the St. Louis River Peatlands, Minnesota.​

The field deployed net containing debris after pumping 400 gallons of stream water through the microplastic sampling system in Milwaukee, Wisconsin.

A sampling jar contains debris found in a sampling net after being rinsed thoroughly during a microplastics sampling effort in Milwaukee, Wisconsin. At this point the sample is ready to be shipped to the lab for analysis.

Physical Scientist James Romano and Hydrologist Hailey Trompeter sampling an Underwood Creek Tributary from an overlook using a sampling pole near Milwaukee, Wisconsin. Photo shows the entirety of the sampling system from afar.

Physical Scientist James Romano and Hydrologist Hailey Trompeter prepare equipment for a microplastics sampling effort in Milwaukee, Wisconsin.

Hydrologist Hailey Trompeter, Physical Scientists Kathryn Johncock and James Romano and set up equipment for a microplastics sampling effort in Milwaukee, Wisconsin.

Hydrologist Hailey Trompeter holds the column containing the net and water flowing out of the copper flow meter during a microplastics sampling effort in Milwaukee, Wisconsin.

USGS scientist Tylor Rosera analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project. 

A USGS scientist analyzes dragonfly larvae samples for mercury as part of the Dragonfly Mercury Project. 

USGS Director Dr. David Applegate speaks to Upper Midwest Water Science Center employees in Madison, Wisconsin on October 12, 2023.

David Applegate speaks to Upper Midwest Water Science Center staff during a visit to the Madison office at the Forest Products Laboratory.

Physical Scientists Kathryn Johncock and Bridget Bittmann sample a wetland at Horicon National Wildlife Refuge on a sunny autumn day.

Upper Midwest Water Science Center employees at the Forest Products Laboratory in Madison, Wisconsin during the 2023 UMid face-to-face meeting.

Upper Midwest Water Science Center employees at the Forest Products Laboratory in Madison, Wisconsin during the 2023 UMid face-to-face meeting.