Researchers used more than 1,400 climate-sensitive tree-ring chronologies from multiple tree species across North America to reconstruct the Palmer drought severity index (PDSI), a widely used soil moisture index.
via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/02/130217083054.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29
via ScienceDaily: Anthropology News http://www.sciencedaily.com/releases/2013/02/130217083054.htm?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+sciencedaily%2Ffossils_ruins%2Fanthropology+%28ScienceDaily%3A+Fossils+%26+Ruins+News+--+Anthropology%29
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