standgogl.blogg.se - Wetter or more wet

“The pattern of wet-getting-wetter, dry-getting-drier during the rest of the 21st century is predicted by the Intergovernmental Panel on Climate Change models, but we’ll need a much longer dataset to be able to definitively say whether climate change is responsible for the emergence of any similar pattern in the GRACE data,” Famiglietti said.Ī joint NASA/German Aerospace Centre endeavour, GRACE launched a pair of satellites in 2002. While water loss in some regions, like the melting ice sheets and alpine glaciers, is clearly driven by warming climate, he noted, it will require more time and data to determine the driving forces behind other patterns of freshwater change. “What we are witnessing is major hydrologic change,” said Jay Famiglietti of NASA’s Jet Propulsion Laboratory (JPL), US, in a press release.

The pattern is due to a mix of factors, including water management by people, man-made climate change and natural climate cycles. (Courtesy: NASA)Įarth’s wet areas – land in the high latitudes and tropics – are getting wetter while dry areas are becoming more dry, according to 14 years of observations from the Gravity Recovery and Climate Experiment (GRACE) mission. Global map of freshwater stored on land for February 2016 using data from the Gravity Recovery and Climate Experiment.

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