Sentences with phrase «past droughts»

And when compared with a 1000 - year reconstruction of past droughts based on more than 1800 tree - ring chronologies collected across the continent, droughts forecast by nearly every one of those models are «unprecedented,» even if CO2 emissions are dramatically reduced, researchers say.

UNLV researchers are using these stalagmites to better understand past droughts in the Desert Southwest and what can be done to prepare for them in the future.

«Having this record is a great resource for trying to understand past droughts in the region.»

Our tree ring - based analysis of past drought indicates that the Little Ice Age (LIA) experienced high interannual hydroclimatic variability, similar to projections for the 21st century.

NASA scientists studied past droughts and climate models incorporating soil moisture data to estimate future drought risk.

Lamont scientists crossed most of Asia to sample sites (green dots) to reconstruct past droughts.

Hemlocks are widespread and can live a long time — 500 years or more — so their growth rings provide a useful record of past droughts and forest changes.

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.

Concerning the «debate» highlighted by the above exchanges between Pielke and Holdren, the issue isnt about analogues to past droughts (which, by the way, the California resource managers were more interested in), but about the scientific evidence that California droughts have become more severe due to climate change.

The findings of paleoclimatology show that past droughts have been more severe and have lasted even longer than the Dust Bowl in the 1930s or drought in the 1950s — by centuries, in some cases.

Throw in past droughts and floods in Australia, Russia and Pakistan and of course Katrina and the evidence became overwhelming that «weird» weather events all over the globe proved the climate had changed.

In a 2012 study, Williams and his colleagues looked at past tree ring samples from the Southwest in the context of both past droughts and climate model projections of VPD.

A transdisciplinary team of researchers, extension workers, and policy makers agreed on a common conceptual framework for the interpretation of past droughts and policies.

By sampling the wood of thousands of ancient trees across Asia, scientists at Columbia University's Lamont - Doherty Earth Observatory assembled an atlas of past droughts, gauging their relative severity across vast expanses of time and space.

We are fans for well past the drought.