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Date published: March 2, 2017

Increasing Shrubs Mean Changes for Some but Not All Arctic Birds

Scientists can now predict which avian species are most sensitive to the increasingly dominant shrub habitat spreading across Alaska, a capability that will be useful for natural resource agencies in Alaska charged with managing these resources.

Date published: March 2, 2017

Human, Cattle Viruses Detected in Some Great Lakes Tributaries

Human and bovine, or cattle, viruses were detected in a small percentage of some Great Lakes Basin streams, with human viruses more prevalent in urban streams and bovine viruses more common in streams in agricultural areas, according to a recent U.S. Geological Survey-led study.

Date published: March 2, 2017

Prehistoric earthquakes discovered along San Andreas Fault

Pasadena, Calif. – A new U.S. Geological Survey study offers a view into the past behavior of large earthquakes along the southern San Andreas Fault. 

 

Date published: February 28, 2017

New USGS Streamgages Provide Flood Monitoring for Additional Philadelphia Neighborhoods

Philadelphia communities along the Schuylkill River and Darby Creek now have new tools to help inform residents of impending flooding. The U.S. Geological Survey recently installed three new streamgages in Manayunk, Eastwick, and downtown near 30th St., which will monitor water levels, and provide vital data used by emergency managers and flood forecasters to help protect lives and property. 

Date published: February 27, 2017

40-year trend study finds signs of improved water quality in New Jersey streams

A USGS analysis of New Jersey water quality trends found levels of total nitrogen and total phosphorus, which fuel algae blooms, declined or stayed the same at most stream sites between the 1970s and 2011. At all sites studied, chlorides from road salt increased over that time.

Date published: February 22, 2017

South Dakota Native to Head USGS Dakota Water Science Center

Joyce E. Williamson, a native of South Dakota and a South Dakota School of Mines and Technology alumna, was selected as the director of the newly formed U.S. Geological Survey Dakota Water Science Center. Williamson is located in the center’s Rapid City, South Dakota, office. 

Date published: February 22, 2017

Sediment Flows into Galveston Bay Studied to Help Understand Health of Watershed

A better understanding of sediment and freshwater flow into Galveston Bay is now available from a new U.S. Geological Survey report, done in cooperation with the Texas Water Development Board, and the Galveston Bay Estuary Program.

Date published: February 16, 2017

Scientists find Evidence of Alaskan Ecosystem Health in Harlequin Ducks

A new study shows that harlequin ducks in coastal areas of Alaska’s Kodiak and Unalaska islands are exposed to environmental sources of mercury and that mercury concentrations in their blood are associated with their local food source, mainly blue mussels.

Date published: February 8, 2017

Bigger May Not Be Better When It Comes to Mississippi River Diversions

New research shows how river diversions may change water quality in estuaries. 

Date published: February 2, 2017

Community Announcement: USGS Ground Motion Study in the Walnut Creek/Concord Area Looking for Volunteers

The U. S. Geological Survey is seeking volunteers to host temporary seismic stations in the Walnut Creek/Pleasant Hill/Concord California area. Volunteers will be assisting with a new ground motion study that will begin in March 2017.

Date published: February 2, 2017

A Century of Habitat Loss Affects Genetics of Endangered Bird

A new study analyzes the genetic diversity and population structure of the California Ridgway’s rail, Rallus obsoletus, a state and federally-listed endangered bird. The results demonstrate that the so-called “rails” are experiencing negative genetic effects following more than a century of salt marsh habitat loss from agriculture, commercial salt production and urban development.