Low soil moisture conditions can induce drought but also elevate temperatures. (nature.com)
They're so powerful they're able to thrive despite the most adverse conditions, growing out of stone walls, between sidewalk cracks and in near freezing or low moisture conditions. (stylenectar.com)
By comparing the modern drought measurements to tree rings in the 20th century for a baseline, the tree rings can be used to establish moisture conditions over the past 1,000 years. (giss.nasa.gov)