Smerdon points to low reservoir levels in the Colorado River Basin for instance of the megadrought’s societal impacts. The Colorado provides water for forty million folks and 90 % of the nation’s winter greens. Likewise, the megadrought afflicting 10 U.S. states and northern Mexico could be linked to larger temperatures caused by altering local weather.
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A study printed this 12 months in Nature analyzed tree-ring and soil-moisture information and concluded that each 2020 and 2021 have been drier than another yr through the previous three centuries and the 11th and twelfth driest years up to now 1,200 years. The authors attribute forty Technology News two percent of the lower in soil moisture to human-brought on climate change. “As the environment becomes hotter, it becomes hungrier for moisture and draws extra water out of soil and vegetation,” explains Jason Smerdon, a climate scientist with Columbia University’s Lamont–Doherty Earth Observatory.… Read More
