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Tanzania: Kilimanjaro deforestation could impact local weather patterns
Posted by Our Amazing Planet: None Given on March 11th, 2011
Our Amazing Planet: Deforestation around Africa's Mount Kilimanjaro may have as large of an impact on the mountain's local weather and climate as global climate change, according to researchers from the University of Alabama, Huntsville.
Udaysankar Nair, a research scientist at the university's Earth Sciences Center, and doctoral student Jonathan Fairman are using climate models and data from NASA satellites to create a local model that can predict the effects of deforestation on local weather patterns, including...
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Volcanic lakes spew large amounts of carbon dioxide
Posted by Our Amazing Planet: None Given on February 25th, 2011
Our Amazing Planet: Lakes that form on and around volcanoes can spew out significant amounts of the global warming gas carbon dioxide, researchers have found.
These new findings could help scientists refine their models on how Earth's climate is changing.
Called volcanic lakes, these bodies of water form either in the craters that are left after a volcano explodes, the calderas left after a volcanic peak or flank collapses, or after lava, ash or mud from volcanoes dam up rivers and streams.
It's a well-known...
Meltwater from glaciers could be accelerating ice melt
Posted by Our Amazing Planet: None Given on November 11th, 2010
Our Amazing Planet: Meltwater flowing through cracks in glaciers and ice sheets could be the secret ingredient responsible for speeding up the warming of the massive blocks of ice and increasing their speed as they move, a new study suggests.
Thomas Phillips, a research scientist at the Colorado Center for Astrodynamics Research, said scientists had thought meltwater moved through the ice fairly quickly before it reached the base and lubricated the bottom of the ice on its slow journey to the sea.
Upon closer...