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Saving the Great Plains water supply

Significant portions of the Ogallala Aquifer, one of the largest bodies of water in the United States, are at risk of drying up if it continues to be drained at its current rate.

In the current issue of Earth’s Future, a journal of the American Geophysical Union, Michigan State University scientists are proposing alternatives that will halt and hopefully reverse the unsustainable use of water drawdown in the aquifer. The body of water, also known as the High Plains Aquifer, spans from Texas to South Dakota and drives much of the region’s economy. (more…)

NASA: Climate Change May Bring Big Ecosystem Changes

By Guest PostDecember 15, 2011Environmentbiodiversity, biome changes, biosphere, boreal forests, caltech, carbon, climate, climate change, climate model projections, computer modeling, desert, duane waliser, earth, eastern equatorial africa, ecological consequences, ecological sensitivity, ecosystem, element cycles, energy, environmental changes, forest, global climate simulations, grassland, great lakes, great plains, greenhouse gases, himalayas, hotspots, ice, jon bergengren, last glacial maximum, Madagascar, major ecological community type, mediterranean region, melting glaciers, migrate, model projections, modern climate changes, multiple generations, NASA, North America, northern hemisphere, plant communities, rising sea levels, southern south america, tibetan plateau, tundra, water

PASADENA, Calif. – By 2100, global climate change will modify plant communities covering almost half of Earth’s land surface and will drive the conversion of nearly 40 percent of land-based ecosystems from one major ecological community type – such as forest, grassland or tundra – toward another, according to a new NASA and university computer modeling study.

Researchers from NASA’s Jet Propulsion Laboratory and the California Institute of Technology in Pasadena, Calif., investigated how Earth’s plant life is likely to react over the next three centuries as Earth’s climate changes in response to rising levels of human-produced greenhouse gases. Study results are published in the journal Climatic Change. (more…)

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Saving the Great Plains water supply

NASA: Climate Change May Bring Big Ecosystem Changes