Journal
EARTH AND PLANETARY SCIENCE LETTERS
Volume 503, Issue -, Pages 10-16Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.epsl.2018.09.018
Keywords
impact effects; airbursts; thermal radiation; fires; asteroid-comet hazard
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Funding
- Russian Science Foundation [16-17-00107]
- Russian Science Foundation [16-17-00107] Funding Source: Russian Science Foundation
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We carried out numerical modeling of impacts of asteroids and icy bodies with a diameter from 30 m to 100 m and calculated radiation fluxes on the ground, luminous efficiencies and areas of potential fire. The integral luminous efficiency of impactors with a diameter of 30 m entering the atmosphere at acute angles can reach 20 and 40% for stony and icy bodies respectively, and the impacts of 100-m asteroids can initiate forest fires in areas with dimensions of 100 km. (C) 2018 Elsevier B.V. All rights reserved.
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