James P Broda

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Long sediment cores recovered from the deep portions of Lake Titicaca are used to reconstruct the precipitation history of tropical South America for the past 25,000 years. Lake Titicaca was a deep, fresh, and continuously overflowing lake during the last glacial stage, from before 25,000 to 15,000 calibrated years before the present (cal yr B.P.),(More)
  • Abo-Hashema, Khaled A H See Abu-Elheiga, +215 authors Im
  • 2001
AAAS News & Notes: AAAS project links judges to scientific experts. p1568 23 Feb 2001. AAAS urges Bush to support embryonic stem cell research. p2623 30 Mar 2001. Atlas examines link between population and environment. p671 26 Jan 2001. Call for nomination of fellows. p671 26 Jan 2001. Record R&D funding reported in AAAS report. p1568 23 Feb 2001. Science(More)
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