Estimates of total quantity of meteorites in the East Antarctic ice CAP

Details Estimates of total quantity of meteorites in the East Antarctic ice CAP Estimates of total quantity of meteorites in the East Antarctic ice CAP

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981natur.292..516o&link_type=abstract

Nature, vol. 292, Aug. 6, 1981, p. 516-518. Research supported by the Field Museum of Natural History and NASA.

Mathematics

Logic

7

Antarctic Regions, Land Ice, Meteorites, Polar Caps, Carbonaceous Chondrites, Fragmentation, Greenland, Meteorological Parameters, Meteorites, Antarctic Meteorites, Abundance, Ice, Models, Flux, Mass, Transport, Statistical Analysis, Yamato Meteorites, Fragments, Q Value, Allan Hills Meteorites

Scientific paper

Based on a steady-state model of the East Antarctic ice cap, and current estimates of meteorite influx, a model is developed which predicts that the steady-state number of meteorites being carried in or on the ice is at least 760,000. This large meteorite population does not require unusual influx conditions, since the cold, dry climate preserves virtually all meteorites that fall with the exception of the fragile, porous carbonaceous chondrites. Application of the model to the Greenland ice cap yields a steady-state population of about 61,000 meteorites.

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