{"created":"2023-07-25T11:04:59.566454+00:00","id":8200,"links":{},"metadata":{"_buckets":{"deposit":"58d0de48-d532-46af-bbe9-1c835df582b6"},"_deposit":{"created_by":4,"id":"8200","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"8200"},"status":"published"},"_oai":{"id":"oai:nipr.repo.nii.ac.jp:00008200","sets":["1259:906:977"]},"author_link":["14397","14399"],"item_1_alternative_title_5":{"attribute_name":"論文名よみ","attribute_value_mlt":[{"subitem_alternative_title":"コウド 100km ヨリ ハッシャ サレル チョウ テイシュウハ オンパ ノ デンソウロ ト ゲンスイ"}]},"item_1_biblio_info_14":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1981-01","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"14","bibliographicPageStart":"1","bibliographicVolumeNumber":"71","bibliographic_titles":[{"bibliographic_title":"南極資料"}]}]},"item_1_creator_6":{"attribute_name":"著者名(日)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"鈴木, 裕"},{"creatorName":"スズキ, ユタカ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]}]},"item_1_creator_8":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Suzuki, Yutaka","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_11":{"attribute_name":"抄録(日)","attribute_value_mlt":[{"subitem_description":"CIRA(1972年発行)モデルを使って南緯70°における音の伝搬を研究した。初めに伝搬可能な音の低, 高域における周波数限界および線型性を仮定できる音圧の範囲について検討する。さらに, オーロラ超低周波音波の伝搬を検討する目的で, 高度100kmより発射される音波の伝搬路および伝搬時間を計算して, 音の流れと100秒ごとの音波の位置を図示する。また上記の伝搬に沿って(1/40) Hzの音波の減衰を計算した。下向きに発射される音波, あるいは上向きに発射される音波でも150km以下で反射される音波はほとんど減衰されないで地表へ到達する。他方200km以上に到達する音波の減衰は非常に大きい。","subitem_description_type":"Other"}]},"item_1_description_12":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"Ray paths of sound waves generated at 100km altitude are calculated by using model atmosphere given by CIRA 1972 at 70°S latitude. The wave position and the time required for the wave to arrive there are calculated at every 1km altitude and the results are illustrated by ray curves and by wave positions at every 100 seconds on the curves. Further, attenuation of the wave of (1/40) Hz frequency is calculated along the ray path; the attenuation is very little when the wave propagates under 150km, it becomes not negligible when the wave goes above 200km.","subitem_description_type":"Other"}]},"item_1_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15094/00008200","subitem_identifier_reg_type":"JaLC"}]},"item_1_source_id_13":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AN00181831","subitem_source_identifier_type":"NCID"}]},"item_1_source_id_20":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00857289","subitem_source_identifier_type":"ISSN"}]},"item_1_subject_21":{"attribute_name":"国際十進分類法","attribute_value_mlt":[{"subitem_subject":"551.510.535/.537","subitem_subject_scheme":"UDC"}]},"item_1_text_10":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Faculty of Engineering, Osaka City University"}]},"item_1_text_9":{"attribute_name":"著者所属(日)","attribute_value_mlt":[{"subitem_text_value":"大阪市立大学工学部"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"1981-01-01"}],"displaytype":"detail","filename":"KJ00000139416.pdf","filesize":[{"value":"2.2 MB"}],"format":"application/pdf","licensetype":"license_6","mimetype":"application/pdf","url":{"label":"KJ00000139416","url":"https://nipr.repo.nii.ac.jp/record/8200/files/KJ00000139416.pdf"},"version_id":"46538873-3a08-4e45-a52f-b259fbafa070"}]},"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":"高度100kmより発射される超低周波音波の伝搬路と減衰","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"高度100kmより発射される超低周波音波の伝搬路と減衰"},{"subitem_title":"Ray-paths and attenuation of infrasonic waves generated at 100km altitude","subitem_title_language":"en"}]},"item_type_id":"1","owner":"4","path":["977"],"pubdate":{"attribute_name":"公開日","attribute_value":"1981-01-01"},"publish_date":"1981-01-01","publish_status":"0","recid":"8200","relation_version_is_last":true,"title":["高度100kmより発射される超低周波音波の伝搬路と減衰"],"weko_creator_id":"4","weko_shared_id":4},"updated":"2023-07-25T13:26:05.818717+00:00"}