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Quick look: New discoveries about how even small amounts of sediment can severely impact fragile ocean coral and suggestions about solutions are illustrated and described in a new book written by a team of U.S. Geological Survey (USGS) scientists and their colleagues. Coral reefs are in decline worldwide, and a leading cause is the runoff of sediment and pollutants from nearby land surfaces...Reversing Coral Reef Decline in Hawai`i -- A New Look at a Critical Problem
(Released: 11/20/2008 6:42:31 PM)

Quick look: Dust collected from coal-tar sealcoated parking lots in Central and Eastern U.S. cities contains concentrations of polycyclic aromatic hydrocarbons (PAHs) that are about 1,000 times greater than levels found in Western cities where coal-tar sealcoat is less commonly used, according to a U.S. Geological Survey (USGS) study published this week in the journal Environmental Science and Technology. ...Pavement sealcoat linked to urban lake contamination in the Central and Eastern United States
(Released: 11/20/2008 3:19:22 PM)

Quick look: In a breakthrough applauded today by the international Group on Earth Observations, scientists and decision-makers will soon have unrestricted global access at no charge to the USGS Landsat archive, the world's most extensive collection of continuously-acquired land imagery. By the end of this year, the full collection will, for the first time, be freely available online to users around the globe under a policy initiated by U.S. Secretary of the Interior Dirk Kempthorne....Group on Earth Observations Heralds Free, Global Access to USGS Earth Imagery
(Released: 11/20/2008 10:00:00 AM)

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Quick look: Stevens, Andrew W.; Gelfenbaum, Guy; Elias, Edwin; Jones, Craig (2008), Open-File Report 2008-1340. Capitol Lake was created in 1951 with the construction of a concrete dam and control gate that prevented salt-water intrusion into the newly formed lake and regulated flow of the Deschutes River into southern Puget Sound. Physical processes associated with the former ...Incorporation of Fine-Grained Sediment Erodibility Measurements into Sediment Transport Modeling, Capitol Lake, Washington
(Released: 2008-11-20)

Quick look: Leake, Stanley A.; Pool, Donald R.; Leenhouts, James M. (2008), Scientific Investigations Report 2008-5207. In the context of ground-water resources, 'capture' or 'streamflow depletion' refers to withdrawal-induced changes in inflow to or outflow from an aquifer. These concepts are helpful in understanding the effects of long-term development of ground-water resourc...Simulated Effects of Ground-Water Withdrawals and Artificial Recharge on Discharge to Streams, Springs, and Riparian Vegetation in the Sierra Vista Subwatershed of the Upper San Pedro Basin, Southeastern Arizona
(Released: 2008-11-20)

Quick look: Dodge, Kent A.; Hornberger, Michelle I.; Dyke, Jessica L. (2008), Open-File Report 2008-1318. Water, bed sediment, and biota were sampled in streams from Butte to below Milltown Reservoir as part of a long-term monitoring program in the upper Clark Fork basin; additional water-quality samples were collected in the Clark Fork basin from sites near Milltown Reservoir ...Water-Quality, Bed-Sediment, and Biological Data (October 2006 through September 2007) and Statistical Summaries of Long-Term Data for Streams in the Clark Fork Basin, Montana
(Released: 2008-11-20)

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Page Last Modified: Tuesday, July 08, 2008

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