Dürren hat es in Nordmerika schon immer gegeben, hierauf wies Physics Today am 1. August 2018 hin. Zwischen 800-1500 n. Chr. suchte eine Serie jahrzehntelanger Dürren den US-amerikanischen Westen heim: Four ways we know pre-Columbian America was plagued by megadroughts Tree rings tell much but not all of the story of decades-long dry spells that transformed terrain and disrupted civilizations. In the August issue of Physics Today, climate scientists Toby Ault and Scott St. George share a pair of startling research findings. Between roughly 800 and 1500 CE, the American West suffered a succession of decades-long droughts, much longer than … Klimamodelle: Kalifornien soll in den kommenden Jahrzehnten feuchter werden weiterlesen