{"created":"2023-06-19T12:43:46.792749+00:00","id":3137,"links":{},"metadata":{"_buckets":{"deposit":"1b506ed2-eed8-4468-94c6-6b8b51d604d4"},"_deposit":{"created_by":3,"id":"3137","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"3137"},"status":"published"},"_oai":{"id":"oai:tokyo-metro-u.repo.nii.ac.jp:00003137","sets":["521:522:524:525:574"]},"author_link":["8774","8773"],"item_3_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2016","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"51","bibliographicPageEnd":"108","bibliographicPageStart":"101","bibliographic_titles":[{"bibliographic_title":"Geographical Reports of Tokyo Metropolitan University"}]}]},"item_3_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Fluvial sand grain producing–transport processes were examined along the damsconstructed Tenryu River, central Japan. The authors focused on downstream changes in shale grain roundness on gravel-sand size fraction with 1 φintervals. Roundness is a suitable parameter for assessing grain producing-transport processes since it reflects the extent of detritus breaking and abrasion. The effects of such physical actions on each size fraction were studied by means of a field survey (pebble gravels) and laboratory analyses (granule-coarse sand grains). The results suggest that pristine grains were produced from pebbles in both upstream and downstream reaches of the Funagira Dam, the nearest dam from the mouth of Tenryu River. Additionally, collected evidence demonstrates that grains finer than 1 mm in diameter were transported through the Funagira Dam, as indicated by their roundness. Thus, further studies on operating breaking and abrasion mechanisms acting upon detritus could enable contriving the appropriate countermeasure based on a model of “sand grain production from gravels during fluvial transport”.","subitem_description_type":"Abstract"}]},"item_3_description_40":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"subitem_description":"postprint","subitem_description_type":"Other"}]},"item_3_publisher_33":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"Department of Geography, Tokyo Metropolitan University"}]},"item_3_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA00200173","subitem_source_identifier_type":"NCID"}]},"item_3_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03868710","subitem_source_identifier_type":"ISSN"}]},"item_3_version_type_16":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Utsugawa, Takako"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Shirai, Masaaki"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2016-08-04"}],"displaytype":"detail","filename":"20005-051-013.pdf","filesize":[{"value":"770.1 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"20005-051-013.pdf","url":"https://tokyo-metro-u.repo.nii.ac.jp/record/3137/files/20005-051-013.pdf"},"version_id":"1dd51313-01b6-4208-933c-c1ca60892083"}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"gravel-sand","subitem_subject_scheme":"Other"},{"subitem_subject":"roundness","subitem_subject_scheme":"Other"},{"subitem_subject":"breaking and abrasion mechanisms","subitem_subject_scheme":"Other"},{"subitem_subject":"dam construction","subitem_subject_scheme":"Other"},{"subitem_subject":"Tenryu River","subitem_subject_scheme":"Other"}]},"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":"Sand grain producing-transport processes estimated from gravel-sand grain roundness on dams-constructed Tenryu River, central Japan","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Sand grain producing-transport processes estimated from gravel-sand grain roundness on dams-constructed Tenryu River, central Japan"}]},"item_type_id":"3","owner":"3","path":["574"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-06-21"},"publish_date":"2016-06-21","publish_status":"0","recid":"3137","relation_version_is_last":true,"title":["Sand grain producing-transport processes estimated from gravel-sand grain roundness on dams-constructed Tenryu River, central Japan"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-06-19T18:17:17.129901+00:00"}