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Global warming: How rising alpine vegetation could hit California water supply

2014-09-03 03:30:00| Climate Ark Climate Change & Global Warming Newsfeed

Christian Science Monitor: A warming-climate-induced march of alpine vegetation up a large river basin on the western slope of the Sierra Nevada could slash by one-fourth the annual flow of water the basin delivers to Californias thirsty Central Valley by the last two decades of this century, a new study says. The results of the Kings River Basin study imply that the same type of risk holds for another 10 major river basins along the western Sierra, although to varying degrees, say the researchers involved in the study....

Tags: water global hit california

Uncle Giacomo's alpine hydro-electric power station

2014-08-29 16:13:00| Transmission & Distribution World

An investment in micro-hydro power generation 40 years ago now provides total energy independence and is virtually CO2-free. read more

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Humans now major cause of alpine glacier melt, researchers say

2014-08-16 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Christian Science Monitor: Retreating alpine glaciers in a warming world may seem to have an obvious connection. But glaciers respond to environmental changes, well, glacially. At any point, it's hard to tell how much of a glacier's retreat is due to human-triggered factors now and how much is due to natural factors that might have held sway years ago, researchers say. Now comes an analysis estimating that between 1990 and 2010, some 69 percent of the mass lost by the world's alpine glaciers can be traced to human influence...

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Arctic alpine plants may live in 'micro refuges'

2013-09-23 13:58:00| Climate Ark Climate Change & Global Warming Newsfeed

Guardian: Arctic alpine plants may survive in small pockets of cold, disturbed ground even if rising temperatures drive them from the rest of their habitat, according to researchers. Typical Arctic alpine species, such as white Arctic mountain heather, mountain avens, and Diapensia lapponica, thrive in cold temperatures. But they're not as competitive or as responsive to changes in their environment as their lowland cousins. However, Miska Luoto of Finland's University of Helsinki says cold "micro refuges"...

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