sediment layers
Dry lake reveals evidence of southwestern ‘megadroughts’
LOS ALAMOS, New Mexico, February 28, 2011 — There’s an old saying that if you don’t like the weather in New Mexico, wait five minutes. Maybe it should be amended to 10,000 years, according to new research.
In a letter published recently in the jo…
As Arctic temperatures rise, tundra fires increase, researchers find
CHAMPAIGN, Ill. — In September, 2007, the Anaktuvuk River Fire burned more than 1,000 square kilometers of tundra on Alaska’s North Slope, doubling the area burned in that region since record keeping began in 1950. A new analysis of sediment …