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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…)

Groundwater Depletion in Semiarid Regions of Texas and California Threatens U.S. Food Security

By Guest PostMay 31, 2012Environmentdrought in california, groundwater banking, groundwater depletion, groundwater level, irrigated agriculture

AUSTIN, Texas — The nation’s food supply may be vulnerable to rapid groundwater depletion from irrigated agriculture, according to a new study by researchers at The University of Texas at Austin and elsewhere. (more…)

Cassini Finds Titan Lake is Like a Namibia Mudflat

By Guest PostApril 20, 2012Scienceatmosphere, bonnie buratti, cassini spacecraft, earth, ethane, etosha salt pan, geological feature, groundwater level, hydrocarbon cycle, lake, liquid hydrocarbon, methane, moon, mudflats, NASA, ontario lacus, propane, rainy season, saturated sand, saturn, south polar, thomas cornet, titan

A new study analyzing data from NASA’s Cassini spacecraft suggests that the lake, known as Ontario Lacus, behaves most similarly to what we call a salt pan on Earth.

A group led by Thomas Cornet of the Université de Nantes, France, a Cassini associate, found evidence for long-standing channels etched into the lake bed within the southern boundary of the depression. This suggests that Ontario Lacus, previously thought to be completely filled with liquid hydrocarbons, could actually be a depression that drains and refills from below, exposing liquid areas ringed by materials like saturated sand or mudflats. (more…)

Tag Archives: groundwater level

Water in a Changing World

Groundwater Depletion in Semiarid Regions of Texas and California Threatens U.S. Food Security

Cassini Finds Titan Lake is Like a Namibia Mudflat