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Showing 2009 · astro-ph.EPShow all
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astro-ph.EP2009★ 34 cited
Cometary airbursts and atmospheric chemistry: Tunguska and a candidate Younger Dryas event
Adrian L. Melott, Brian C. Thomas, Gisela Dreschhoff +1
We find agreement between models of atmospheric chemistry changes from ionization for the 1908 Tunguska airburst event and nitrate enhancement in GISP2H and GISP2 ice cores, plus a…
astro-ph.EP2009★ 1 cited
Whilst this Planet Has Gone Cycling On: What Role for Periodic Astronomical Phenomena in Large Scale Patterns in the History of Life?
B. S. Lieberman, A. L. Melott
One of the longstanding debates in the history of paleontology focuses on the issue of whether or not there have been long term cycles (operating over tens of millions of years) in…