Tree rings tell tale of drought in Mongolia over the last 2,000 years
Monday, March 19, 2018
Posted by: Jennifer Olivares
A new analysis is shedding light on drought in Mongolia, both past and future.
By studying the rings of semifossilized trees, researchers constructed a climate history for the semiarid Asian nation spanning the last 2,060 years — going 1,000 years further back than previous studies.
It was suspected that a harsh drought from about 2000 to 2010 that killed tens of thousands of livestock was unprecedented in the region’s history and primarily the result of human-caused climate change. But the tree ring data show that the dry spell, while rare in its severity, was not outside the realm of natural climate variability, researchers report online March 14 in Science Advances.