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NASA: Warm Rivers Play Role in Arctic Sea Ice Melt

The heat from warm river waters draining into the Arctic Ocean is contributing to the melting of Arctic sea ice each summer, a new NASA study finds.

A research team led by Son Nghiem of NASA’s Jet Propulsion Laboratory in Pasadena, Calif., used satellite data to measure the surface temperature of the waters discharging from a Canadian river into the icy Beaufort Sea during the summer of 2012. They observed a sudden influx of warm river waters into the sea that rapidly warmed the surface layers of the ocean, enhancing the melting of sea ice. A paper describing the study is now published online in the journal Geophysical Research Letters. (more…)

Water in a Changing World

By Guest PostJune 25, 2012Entertainment, Sciencealgal blooms, biogeochemistry, cancer causing byproduct, carbon, changing world, chesapeake bay, climate change, delphis levia, disinfection, experimental watershed, fair hill, forest canopy, groundwater level, high frequency data, natural ecosystem, nitrogen, nitrogen cycling, nsf, season, shreeram inamdar, soils, stream runoff, university of delaware, water, water quality, watershed hydrology, watersheds

Experimental watershed provides new insights, rich educational experience

Six years and about 4,000 water samples later, an outdoor experimental watershed laboratory established by University of Delaware faculty members Shreeram Inamdar and Delphis Levia at Fair Hill, Md., is now producing valuable data and novel insights into how water and chemicals move through the forest canopy, soils and watersheds, and how future climate change may impact or alter such responses.

Inamdar, associate professor in the Department of Plant and Soil Sciences, has investigated the role of soils, streams, and watersheds in leaching water and nutrients, while Levia, professor in the Department of Geography, has studied the interactions of atmosphere and the forest canopy in leaching water and nutrients. Together, they have provided a complete picture of watershed hydrology and biogeochemistry. (more…)

Tag Archives: watersheds

NASA: Warm Rivers Play Role in Arctic Sea Ice Melt

Water in a Changing World