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ESA - Satellite observations prove crucial in new climate science report
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Eyes on Earth is a podcast on remote sensing, Earth observation, land change and science, brought to you by the USGS Earth Resources Observation and Science (EROS) Center. In this episode, we hear how Landsat helps monitor vulnerable rangelands in the Western U.S.
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Matthew Rigge
Summary: The extensive rangelands across the Western United States are threatened by invasive grasses, climate change, and altered fire regimes that can disturb the landscape. The largely semi-arid lands are also important for the survival of species that need undisturbed sagebrush ecosystems to thrive. But most satellite-based land cover datasets don’t offer the kind of detail needed to track small but ecologically meaningful shifts in vegetation that can alter fire regimes and improve habitats. In this episode of Eyes on Earth, we hear about how new EROS data products help fill in that gap.
Sống Sót Nhờ Ăn… Nấm Sau 18 Ngày Bị Lạc Trong Khu Đất Hoang
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there might be politics in there. tell me if i m right or wrong and why. no. scientists are very careful in looking at this important question to determine how much of the warning, which is approaching about it degrees fahrenheit is due to human activity. their confidence is improving. originally we thought there was a discernible influence, then we had likely, then very likely. in the latest report it s extremely likely. that means a 95% chance. this isn t politics. this is scientific calibration. marshal, what are we doing that s causing this? clearly since we figured out how to burn fossil fuels, that s increasing carbon dioxide, but we re changing the land cover, we re urbanizing our landscape. it s important to note that the 95% is very important, because
climbtologist. we look at changes in land cover. warming of the sea surface and also things such as the extent oof snow and ice over the continents and over the oceans and it s not just as if everything is changing equally everywhere. so there are these imbalances that are creating these unusual weather patterns and extremes. it really is pretty terrifying. we ve seen some very extreme situations recently and right now rkts we re in hurricane season. and this week, mayor bloomberg actually talked about changes the city is making after hurricane sandy. this is what he had to say. as bad as sandy was, feature storms could be even worse. in fact, because of rising temperatures and sea level, even a storm that is not as large as sandy could down the road, be even more destructive. and even the national oceanic and atmospheric administration
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