Damage from comet-asteroid impacts with earth
作者： Jack G Hills , M.Patrick Goda
DOI: 10.1016/S0167-2789(99)00091-3
关键词: Meteorology 、 Atmosphere 、 Seismology 、 Atmosphere of Earth 、 Comet 、 Asteroid 、 Peninsula 、 Continental shelf 、 Geology 、 Impact crater
摘要: Abstract Only a small fraction of the Earth-crossing asteroids, ECAs, have been found and cataloged. Uncataloged ECAs can hit atmosphere Earth without warning. Long-period comets may give as little two months warning before impact. The damage ranges from fires blastwaves energy dissipation in to craters, earthquakes, tsunami ground Tsunami is particularly severe. An asteroid 5–6km diameter impacting mid Atlantic would cause substantial both Europe North America: run all way Appalachians upper two-thirds United States mountains Iberian Peninsula Europe. heights along reach several hundred meters. be less Northern due shallow continental shelf this region.
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