Climates and Hbitability of Planets with High Orbital Eccentricities
Climates and Hbitability of Planets with High Orbital Eccentricities
批准号:
18540430
负责人:
ABE Yutaka
金额:
$2.46万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2006
资助国家:
日本
项目状态:
已结题
起止时间:
2006 至 2007
中文摘要
1.一维能量平衡模式(EBM)的结果表明:(1)年、最大和最小日射量之间的复杂相互作用决定了气候变化。(2)由于年日照量随偏心率的增加而增加,大偏心率下气候普遍温暖。(3)在大偏心率下,气候状态的多样性受到抑制。(4)近日点的临时失控温室状态影响全年气候和适居性。(5)岁差有时会改变行星的气候状况。(6)温度的年变化强烈地受赤道和岁差的影响.大气环流模式的结果:(1)气候形势与EBM结果一致。但它们比EBM中发现的要酷一点。(2)对偏心率增加的响应根据地表的性质而不同。(3)降水分布的年变化可以理解为垂直/斜向状态的变化被年日照变化所修正,这是由于偏心率的缘故.对适居性的影响:(1)在大热容条件下,适居性受年日照控制。(2)在小的热容量下,具有中等密度的行星只有在小的离心率下才适合居住,因为岁差对气候有显着影响。
英文摘要
1. Results obtained by a one dimensional energy balance model (EBM) (1) Climate regimes are determined through a complex interaction among the annual, maximum and minimum insolations. (2) Owing to the increase of the annual insolation with eccentricity, generally warm climates are resulted at large eccentricity. (3) Multiplicity of the climate states is suppressed at large eccentricity. (4) Temporary run away greenhouse state at the perihelion affects the annual climate and habitability. (5) Precession sometimes changes planetary climate regimes. (6) Annual changes of temperature are a strongly affected by the obliquity and precession.2. Results obtained by a general circulation model (1) The climate regimes are consistent with those obtained by the EBM. But they are a little cooler than those found in EBM. (2) The response to the increase of eccentricity differs depending on the property of the ground surface. (3) Annual changes of precipitation distribution is understood as the upright/oblique regime change modified by the annual insolation change due to the eccentricity.3. Implication on the habitability (1) At large heat capacity, the habitability is controlled by the annual insolation. (2) At small heat capacity, planets with moderate obliquity are habitable only at small eccentricity, because precession affects climate significantly.
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DOI:
--
发表时间:
2006
期刊:
影响因子:
--
作者:
[TsuiW, D. and Y. Abe, 対比地大輔]
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地球作为一个可行行星的普遍性
DOI:
--
发表时间:
2007
期刊:
科学 77
影响因子:
--
作者:
[Hayashi, T., Sakai, H., Yamanaka, T., Tanimura, Y., Yahagi, W. & Sakai, H., Daisuke Tsuihiji and Yutaka Abe, Daisuke Tsuihiji and Yutaka Abe, Daisuke Tsuihiji and Yutaka Abe, 阿部 豊]
通讯作者:
阿部 豊
DOI:
--
发表时间:
2008
期刊:
Proc. ISAS Lunar Planetary Symp., Japan Aerospace Exploration Agency 40(In press)
影响因子:
--
作者:
[Hayashi, T., Sakai, H., Yamanaka, T., Tanimura, Y., Yahagi, W. & Sakai, H., Daisuke Tsuihiji and Yutaka Abe]
通讯作者:
Daisuke Tsuihiji and Yutaka Abe
DOI:
--
发表时间:
2007
期刊:
Proc.ISAS Lunar Planetary Symp., Japan Aerospace Exploration Agency 39
影响因子:
--
作者:
[Hayashi, T., Sakai, H., Yamanaka, T., Tanimura, Y., Yahagi, W. & Sakai, H., Daisuke Tsuihiji and Yutaka Abe, Daisuke Tsuihiji and Yutaka Abe, Daisuke Tsuihiji and Yutaka Abe]
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DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
[Tsuihiji, D. and Y. Abe, 対比地大輔]
通讯作者:
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