The scientists analyzed a drought severity index and two soil moisture data sets from 17 climate models that were run for both emissions scenarios. (giss.nasa.gov)
The study, published today in Science, used 9 years of soil moisture data from NASA's venerable Aqua satellite along with data from a network of rain gauges. (sciencemag.org)
NASA scientists used tree rings to understand past droughts and climate models incorporating soil moisture data to estimate future drought risk in the 21st century. (giss.nasa.gov)