Stalagmites Confirm 9,000-Year Lower Brazil Rainfall
Wednesday, February 25, 2009 - 15:07
in Earth & Climate
Climate researchers expected to see wet/dry periods in Brazil's Nordeste region similar to the rest of South America in the past 9,000 years. But the area experienced the opposite, drought when rain was expected. Using stalagmite data, researchers identify unexpected air circulation as the cause.