Multimedia

An example year, 2020, of temperature variation across all modeled streams in the contiguous U.S.

USGS Upper Midwest Water Science Center hydrologist Laura Hubbard navigates between hundreds of spawning sockeye salmon as she filters water to detect avian influenza virus at Izembek National Wildlife Refuge, Alaska.

Low-flying helicopter with geophysical equipment loop deployed below it via slingload. In March 2022, a helicopter carried an airborne electromagnetic induction sensor over parts of southeast and southwest Wisconsin as part of a USGS study to map the aquifers in the region.

Geophysical equipment loop for electromagnetic survey on ground prior to liftoff by helicopter. In January 2021 a helicopter carried an airborne electromagnetic induction sensor over parts of northeastern Wisconsin as part of a USGS study to map the aquifers in the region.

This time-lapse video shows the construction of the new Gary City Hall parking lot and rain garden in Gary, Indiana. The City of Gary is utilizing green infrastructure in their redevelopment projects in the hopes of reducing the amount stormwater runoff that enters their storm-sewer system and, eventually, Lake Michigan.

During edge-of-field monitoring of an agricultural field runoff event, a depth-integrated sample arm (DISA) is used to take a water sample at the same time a traditional water sample is taken from an intake located at the bottom of the H-flume exit, where the water is assumed to be completely mixed.