{"created":"2023-07-25T10:59:59.687645+00:00","id":1766,"links":{},"metadata":{"_buckets":{"deposit":"8d206f4f-3518-4d2d-a999-03ac200ca077"},"_deposit":{"created_by":4,"id":"1766","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"1766"},"status":"published"},"_oai":{"id":"oai:nipr.repo.nii.ac.jp:00001766","sets":["1:356:390"]},"author_link":["58245","58244","1411","58246"],"item_1_biblio_info_14":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1985-07","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"280","bibliographicPageStart":"273","bibliographicVolumeNumber":"36","bibliographic_titles":[{"bibliographic_title":"Memoirs of National Institute of Polar Research. Special issue"}]}]},"item_1_creator_8":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tamao, Tsutomu","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Taniguchi, Haruyuki","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Nambu, Mitsuhiro","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Miura, Akira","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_1_description_1":{"attribute_name":"ページ属性","attribute_value_mlt":[{"subitem_description":"P(論文)","subitem_description_type":"Other"}]},"item_1_description_12":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"Attempt has been made to evaluate a direct contribution of the horizontal component of oblique field-aligned currents to surface magnetic variations in the auroral region associated with a localized electric potential distribution on the horizontal plane, in comparison with that of the ionospheric eddy current. This direct effect is proportional to a product of two ratios, the Pedersen to Hall conductivities and the horizontal to vertical components of the local dipole magnetic intensity. In addition to these, the shorter the horizontal scale-length in the east-west direction compared with that in the north-south direction, the larger the direct effect of field-aligned currents. For the localized perturbation with an isotropic horizontal structure at 60° geomagnetic latitude, it attains to about 80% of the magnetic contribution of the Hall current at the earth's surface. It is also shown that only the vertical component of oblique field-aligned currents connects with the irrotational part of ionospheric currents, and that the effective conductance in the magnetosphere for three-dimensional current systems is reduced to a smaller value than that for the case of vertical field lines.","subitem_description_type":"Other"}]},"item_1_source_id_13":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA00733561","subitem_source_identifier_type":"NCID"}]},"item_1_text_10":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Geophysics Research Laboratory, Faculty of Science, University of Tokyo/Geophysics Research Laboratory, Faculty of Science, University of Tokyo/College of General Education, Kyusyu University/Geophysics Research Laboratory, Faculty of Science, University of Tokyo"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"1985-07-01"}],"displaytype":"detail","filename":"KJ00000012398.pdf","filesize":[{"value":"1.3 MB"}],"format":"application/pdf","licensetype":"license_6","mimetype":"application/pdf","url":{"label":"KJ00000012398","url":"https://nipr.repo.nii.ac.jp/record/1766/files/KJ00000012398.pdf"},"version_id":"f5b48977-be5b-42af-bd22-05c14eaab6fe"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Direct contribution of oblique field-aligned currents to magnetic field variations on the ground","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Direct contribution of oblique field-aligned currents to magnetic field variations on the ground","subitem_title_language":"en"}]},"item_type_id":"1","owner":"4","path":["390"],"pubdate":{"attribute_name":"公開日","attribute_value":"1985-07-01"},"publish_date":"1985-07-01","publish_status":"0","recid":"1766","relation_version_is_last":true,"title":["Direct contribution of oblique field-aligned currents to magnetic field variations on the ground"],"weko_creator_id":"4","weko_shared_id":4},"updated":"2023-07-25T13:48:32.418966+00:00"}