Images

Hydrologic Technician using crane to collect a bedload sample from the bridge.

Map of dissolved oxygen and turbidity along the Milwaukee River.

These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science.

View from Durand bridge of boat crew conducting multibeam surveys

Sediment core sample taken at Grubers Grove Bay on the Wisconsin River, Wisconsin.

A hypothetical configuration of one of the two drained field sites, including a weather station for measuring climate data, a piezometer network for continuous water level measurements, soil moisture probes, and subsurface drainage flow. The third undrained field site will have a similar configuration, with the absence of subsurface drainage flow.

Great Lakes tributaries are influenced by a multitude of stressors that may cause adverse ecological effects. The drawing represents 5 of the many significant chemicals effecting the ecosystems – Atrazine, Deet, BPA, Metolachlor, and 4-nonylphenol.

Canada geese in large numbers can contribute fecal contamination to waterbodies.

Panoramic view of USGS employees at a sampling site in Florida Everglades.

USGS Mercury research team collecting fish in Everglades National Park, Florida.

Scientists filtering water in the field at Everglades National Park, Florida.

USGS scientists filter water while in the field in the Florida Everglades, to detect mercury in environmental samples.

A photo of two wild turkeys walking against a wooded background with a dusting of snow in Wisconsin.

One wild turkey in Wisconsin

Randy Bayless (kneeling), USGS Research Hydrologist; Caleb Artz (standing in yellow), USGS Hydrologic Technician; and Danielle Szymkowski (standing in red), USGS Contractor; collect a groundwater sample from well CH-3 (USGS Station ID: 413611087201004) at the Gary City Hall rain garden.

Danielle Szymkowski, USGS Contractor, collecting runoff sample below a the North Flume (USGS Station ID: 413611087201001) at the Gary City Hall rain garden, Indiana.

Internal look at the MC-ICP-MS flight tube when magnet is removed.

Caleb Artz, USGS Hyrologic Technician, installing a heated precipitation gage (USGS station ID: 413611087201301) to measure rain and snow falling at the Gary City Hall rain garden. 

Hydrologic Technician Amy Story repairing the data-transmission system at the Gary City Hall (Indiana) rain garden. The data-transmission system gathers data from several instruments and provides it in real time to the USGS web site.

Puffin flying at Izembek National Wildlife Refuge Alaska with Frosty Peak in background.

Laura Hubbard of the USGS Upper Midwest Water Science Center takes water chemistry measures on the Alaska Peninsula as part of research to understand how long influenza viruses remain viable in the environment.  

Harbor seals poking their heads above water near shore in Russell Creek, Cold Bay, Alaska.