Collisional evolution and the resulting mass distribution of interplanetary dust
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- Ishimoto Hiroshi
- The Graduate School of Science and Technology, Kobe University
書誌事項
- タイトル別名
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- Collisional evolution and the resulting
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抄録
On the basis of numerical approaches for the collisional and orbital evolution of dust particles, the number density distribution of interplanetary dust with the mass range of m≥10-12g is investigated. The slope of the mass distribution of dust particles strongly depends on the radial dependence of dust production by their parent bodies, and the collisional interaction between particles. Specifically, the m-7/3 dependence of the number density distribution at 1 AU for m≥10-6g can be explained through the balance between the collisional loss of particles and the dust supply, whereas the m-4/3 dependence for 10-12g ≤m ≤10-6g particles is derived from simple Poynting-Robertson orbital decay. A possible model of the dust populations of asteroidal, cometary, and Edgeworth-Kuiper belt origin that is consistent with the observed dust flux at a solar distance of 1 AU is presented.
収録刊行物
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- Earth, Planets and Space
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Earth, Planets and Space 50 (6-7), 521-529, 1998
地球電磁気・地球惑星圏学会 、公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会、日本惑星科学会
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詳細情報
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- CRID
- 1390282681485634944
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- NII論文ID
- 10002207051
- 130003955916
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- NII書誌ID
- AA11211921
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- COI
- 1:CAS:528:DyaK1cXntlSis7w%3D
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- ISSN
- 18805981
- 13438832
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- NDL書誌ID
- 4552205
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- 使用不可