{"_buckets": {"deposit": "a847f3fb-acba-48ed-8a4e-855656b6019e"}, "_deposit": {"id": "33064", "owner": "1", "owners": [], "pid": {"revision_id": 0, "type": "depid", "value": "33064"}, "status": "published"}, "_oai": {"id": "oai:repository.dl.itc.u-tokyo.ac.jp:00033064", "sets": []}, "author_link": ["128960", "128959"], "item_4_alternative_title_1": {"attribute_name": "\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_alternative_title": "\u91cd\u529b\u3068\u71b1\u6d41\u91cf\u30c7\u30fc\u30bf\u304b\u3089\u63a8\u5b9a\u3057\u305f\u5b9a\u5e38\u30a2\u30bb\u30ce\u30b9\u30d5\u30a7\u30a2\u5bfe\u6d41"}]}, "item_4_biblio_info_7": {"attribute_name": "\u66f8\u8a8c\u60c5\u5831", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "1981-03-07", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "3", "bibliographicPageEnd": "680", "bibliographicPageStart": "653", "bibliographicVolumeNumber": "55", "bibliographic_titles": [{"bibliographic_title": "\u6771\u4eac\u5927\u5b78\u5730\u9707\u7814\u7a76\u6240\u5f59\u5831 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]}, "item_4_description_13": {"attribute_name": "\u30d5\u30a9\u30fc\u30de\u30c3\u30c8", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_4_description_5": {"attribute_name": "\u6284\u9332", "attribute_value_mlt": [{"subitem_description": "Steady-state convection currents of an incompressible Newtonian fluid of very high viscosity in a non-rotating sphericalshell model of the earth\u0027s asthenosphere are solved, using the spherical surface harmonic representations of the temperature and fluid velocity fields. The gravity anomaly related to the convection-induced density change is also expressed in a spherical surface harmonic series. The gravity anomaly thus calculated is compared with the gravity data obtained from satellite orbit analyses so as to maximize the mutual correlation coefficient between the two gravity anomalies. As a result, the gravity anomaly calculated with a uniform viscosity of 3.5 \u00d7 1O19 N.s.m-2 for an asthenosphere model having a thickness of 300km or 1.5 \u00d7 1O20 N.s.m-2 for one having a thickness of 400 km is found to be consistent with the satellite-derived gravity data. It is demonstrated that both gravity anomalies match each other up to some detailed features, for example, the positive anomaly on the Mid-Atlantic Ridge, the negative one widely located in the Mid-Asian continent and the Indian Ocean, etc.", "subitem_description_type": "Abstract"}, {"subitem_description": 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Inferred from Gravity and Heat Flow Data", "item_titles": {"attribute_name": "\u30bf\u30a4\u30c8\u30eb", "attribute_value_mlt": [{"subitem_title": "Steady-State Thermal Convection Currents in the Earth\u0027s Asthenosphere Inferred from Gravity and Heat Flow Data", "subitem_title_language": "en"}]}, "item_type_id": "4", "owner": "1", "path": ["80/4535/4827/4831", "9/504/4538/4829/4832"], "permalink_uri": "https://doi.org/10.15083/0000033064", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2008-05-30"}, "publish_date": "2008-05-30", "publish_status": "0", "recid": "33064", "relation": {}, "relation_version_is_last": true, "title": ["Steady-State Thermal Convection Currents in the Earth\u0027s Asthenosphere Inferred from Gravity and Heat Flow Data"], "weko_shared_id": -1}