Structure and dynamics of the Earth's inner core boundary-The origin of hemispherical structure-
Structure and dynamics of the Earth's inner core boundary-The origin of hemispherical structure-
批准号:
21340132
负责人:
TANAKA Satoru
金额:
$11.65万
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2012
关键词:
中文摘要
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英文摘要
Hemispherical difference of the inner core reaches at least 400km below the inner core boundary. Attenuation of seismic wave passing through the Eastern hemisphere can be explained by velocity perturbation within the uppermost 200km of the inner core. The reflected waves at the inner core boundary in the Eastern hemisphere show that 2Hz components are larger than those of 1Hz. The stability of morphology at the inner core surface depends on the growth rate of the inner core. Diffusivity affects kinetic and magnetic (in some case) energies of the outer core flow near the inner core boundary.
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DOI:
10.1016/j.pepi.2012.08.001
发表时间:
2012-11
期刊:
Physics of the Earth and Planetary Interiors
影响因子:
2.3
作者:
[S. Tanaka]
通讯作者:
S. Tanaka
Depth variation of inner core hemisphericity from PKP (DF) and PKP (Cdiff) : P-wave velocity and attenuation structures for equatorial paths
PKP (DF) 和 PKP (Cdiff) 内核半球深度变化:赤道路径的 P 波速度和衰减结构
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[A.Shatskiy, T.Katsura, K.D.Litasov, A.V.Shcherbakova, Y.M.Borzdov, D.Yamazaki, A.Yoneda, E.Ohtani, E.Ito, 山口実華・橋本善孝, S.Tanaka]
通讯作者:
S.Tanaka
Array analysis of PKP(BC)phase with station corrections for travel times and amplitudes
对 PKP(BC) 相位进行阵列分析,并对走时和振幅进行台站校正
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[伊藤正寛, 馬場昭典, 李振風, 小松崎民樹, Masayuki Obayashi, S.Tanaka]
通讯作者:
S.Tanaka
Hinetで観測されたPKiKP/PcP振幅比の周波数依存性
使用 Hinet 观察到的 PKiKP/PcP 振幅比的频率依赖性
DOI:
--
发表时间:
2012
期刊:
影响因子:
--
作者:
[Tanaka, S. and Tkalcic, H]
通讯作者:
H
Latitudinal dependence of some effects of anisotropic thermal diffusivity in the Earth's core
地核各向异性热扩散率某些效应的纬度依赖性
DOI:
--
发表时间:
2011
期刊:
影响因子:
--
作者:
[Matsushima, M]
通讯作者:
M
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Synergistic Effects of Surface Reaction and Radiation Defects on Tritium Release Behavior from Solid Breeding Materisla of Fusion Reactor Blanket
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Study on Rapid Carcinogenicity Test Using Transgenic Mice
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Chemical Behavior of Transuranium Elements in Underground Environments
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