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Northern Alaska Coastal Erosion Threatens Habitat and Infrastructure

Released: 7/1/2015 12:30:00 PM
In a new study published today, scientists from the U.S. Geological Survey found that the remote northern Alaska coast has some of the highest shoreline erosion rates in the world.

Greenhouse Gas Emissions Remain the Primary Threat to Polar Bears

Released: 6/30/2015 1:30:00 PM
Greenhouse gas emissions remain the primary threat to the preservation of polar bear populations worldwide. This conclusion holds true under both a reduced greenhouse gas emission scenario that stabilizes climate warming and another scenario where emissions and warming continue at the current pace, according to updated U.S. Geological Survey research models.

Water Used for Hydraulic Fracturing Varies Widely Across United States

Released: 6/30/2015 10:00:00 AM
The amount of water required to hydraulically fracture oil and gas wells varies widely across the country, according to the first national-scale analysis and map of hydraulic fracturing water usage detailed in a new USGS study accepted for publication in Water Resources Research, a journal of the American Geophysical Union.

Past Water Patterns Drive Present Wading Bird Numbers

Released: 6/24/2015 2:59:05 PM
Wading bird numbers in the Florida Everglades are driven by water patterns that play out over multiple years according to a new study by the U.S. Geological Survey and Florida Atlantic University.

Scientists Expect Slightly Below Average Chesapeake Bay 'Dead Zone' this Summer

Released: 6/23/2015 11:00:00 AM
Scientists are expecting that this year’s Chesapeake Bay hypoxic low-oxygen zone, also called the “dead zone,” will be approximately 1.37 cubic miles – about the volume of 2.3 million Olympic-size swimming pools.

NOAA, Partners Predict an Average 'Dead Zone' for Gulf of Mexico

Released: 6/17/2015 11:00:00 AM
Scientists are expecting that this year’s Gulf of Mexico hypoxic zone, also called the “dead zone,” will be approximately 5,483 square miles or about the size of Connecticut — the same as it has averaged over the last several years.

Highest Peak in North America to be Surveyed

Released: 6/15/2015 9:30:00 AM
A new GPS survey of Mount McKinley, the highest point in North America, will update the commonly accepted elevation of McKinley’s peak, 20,320 ft. The last survey was completed in 1953.

Tectonic Model Shows North America May Once Have Been Linked to Australia or Antarctica

Released: 6/8/2015 10:00:00 AM
North America may have once been attached to Australia, according to research just published in Lithosphere and spearheaded by U.S. Geological Survey geologist James Jones and his colleagues at Bucknell University and Colorado School of Mines.


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