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Water

Wednesday, June 12th, 2013

Georgia Groundwater Levels Decline During 2010-2011

Georgia’s groundwater levels showed a general decline between 2010 and 2011 in response to low rainfall and increased pumping, according to a recent USGS publication. The greatest declines in the aquifers were in the southwestern part of the state where groundwater levels dropped as much as 18 feet in the Upper Floridan aquifer, 22 feet

Tuesday, June 4th, 2013

GIS Offers Valuable Insight for Managing Water Resources

Water is a precious natural resource essential for the survival of life on Earth and when it comes to understanding water – where it is, how much is falling, how to make it work for people – geographic information systems technology (GIS) offers valuable insight.

Thursday, May 30th, 2013

Trace Pollutants Found in Milwaukee-Area Streams

Contaminants such as polycyclic aromatic hydrocarbons (PAHs) found at low concentrations in southeast Wisconsin streams may be harmful to aquatic life, according to a study published today by the U.S. Geological Survey.

Monday, May 27th, 2013

Advancing Restoration in the Great Lakes Region

The Great Lakes watershed is the largest system of fresh surface water in the world and is a source of abundant natural resources. However, urban and industrial development along the shoreline has degraded water quality, posing threats to wildlife and human health. Restoration of Great Lakes ecosystems is now a priority among federal, state, and

Monday, May 20th, 2013

Deficit in Nation’s Aquifers Accelerating

A new U.S. Geological Survey study documents that the Nation’s aquifers are being drawn down at an accelerating rate. Groundwater Depletion in the United States (1900-2008) comprehensively evaluates long-term cumulative depletion volumes in 40 separate aquifers (distinct underground water storage areas) in the United States, bringing together reliable information from previous references and from new

Friday, May 17th, 2013

Inundation of Ukutia Displayed in Satellite Imagery

A high resolution image of the inundation area of the 1st Neryuktyainsk village of Olekminsky Region of Yakutia was received. The EROS B satellite image (resolution 0.7 m) was received on May 14 using UniScan ground stations network of ScanEx Research & Development Center. The data was promptly submitted to the Russian EMERCOM.

Tuesday, May 14th, 2013

Warmer Springs Causing Loss of Snow Cover throughout the Rocky Mountains

Warmer spring temperatures since 1980 are causing an estimated 20 percent loss of snow cover across the Rocky Mountains of western North America, according to new research from the U.S. Geological Survey. The new study builds upon a previous USGS snowpack investigation which showed that, until the 1980s, the northern Rocky Mountains experienced large snowpacks

Friday, May 10th, 2013

Mapping Scotland’s Watercourses to Manage Flood Risk and Enhance Water Science

National mapping authority Ordnance Survey, has released a new product which maps watercourses across Scotland including the highlands and islands, to help local authorities manage flood risk effectively and reduce the impact of flooding incidents. OS MasterMap Networks – Water Layer will be used to improve scientific understanding of water flows and water quality reporting

Tuesday, May 7th, 2013

Decades-old Nitrate Found to Affect Stream Water Quality

USGS hydrologic researchers have found that the movement of nitrate through groundwater to streams can take decades to occur. This long lag time means that changes in the use of nitrogen-based fertilizer (the typical source of nitrate) — whether the change is initiation, adjustment, or cessation — may take decades to be fully observed in

Friday, May 3rd, 2013

USGS Continues to Provide Critical Flood Information

As lingering spring rains soak eastern Iowa, crews from the U.S. Geological Survey continue efforts to make sure the streamgaging network is providing basic scientific information needed by water-resource managers and the community.

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