{"created":"2021-03-01T06:33:59.077961+00:00","id":28201,"links":{},"metadata":{"_buckets":{"deposit":"8af2184a-1aec-4569-97db-1d33a06e8691"},"_deposit":{"id":"28201","owners":[],"pid":{"revision_id":0,"type":"depid","value":"28201"},"status":"published"},"_oai":{"id":"oai:niigata-u.repo.nii.ac.jp:00028201","sets":["453:456","503:836:1555:1579"]},"item_7_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"The chemical composition of ground water in landslide areas. 2 The Nigorisawa and Kamibaba areas in Niigata Prefecture"}]},"item_7_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1982-11","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"85","bibliographicPageStart":"77","bibliographicVolumeNumber":"4","bibliographic_titles":[{"bibliographic_title":"新潟大学積雪地域災害研究センター研究年報"},{"bibliographic_title":"新潟大学積雪地域災害研究センター研究年報","bibliographic_titleLang":"en"}]}]},"item_7_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"This report deals with the water quality of ground and surface waters and the exchangeable cations of mudstones and soils sampled from the landslide areas, which slided in Nigorisawa, Nagaoka, and Kamibaba, Arai, during snowy season in 1980-1981. The waters were analyzed for Na^+, K^-, Ca^<2+>, Mg^<2+>, HCO^-_3, SO^<2->_4, and Cl^-. Cation exchange capacity (CEC) and amounts of exchangeable cations of the mudstones and soils were determined by using the modified SCHOLLENBERGER method. The electrolyte concentration is high in some ground waters from boreholes and spring, which located inside the landslide areas. Their major components are sodium and chloride ions. They originate from ground water similar to the brine of oil and gas fields widely distributing in the Tertiary system in Niigata prefecture. The Na^-/Cl^- ratios are unity in a few samples but are more than one in many samples. The electric charges of the excess sodium are compensated by them of bicarbonate and sulfate ions. This means that a part of sodium derived from weathering of mudstone. The CEC of samples collected from both research areas is 26-32　meq/100g soil. Base saturation of them are 93-100 % in Nigorisawa and 70-73 % in Kamibaba. The major exchange able cations are Ca^<2+> and Mg^<2+> and monovalent cations, Na^+ and K^+ are 2-3 % in Nigorisawa and 3-10 % in Kamibaba. By using Gapon equation and cation composition data of waters, the mono-divalent ratios are calculated at 0.06-0.2 for Nigorisawa ground waters and 0.01-0.02 for Nigorisawa surface waters and 0.02-0.01 for Kamibaba ground waters. The ratios calculated from exchangeable cations are 0.02-0.04 for Nigorisawa mudstones and 0.03-0.1 for Kamibaba mudstones. It was concluded that Nigorisawa samples were equilibrium with the surface waters and Kamibaba samples were with ground water, comparing with the values obtained by two calculation ways. These results show that a part of sodium ions are supplied by the exchangeable cations of the mudstones.","subitem_description_type":"Abstract"}]},"item_7_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"162063","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Sato, Osamu"}]}]},"item_7_publisher_7":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"新潟大学積雪地域災害研究センター"}]},"item_7_select_19":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_select_item":"publisher"}]},"item_7_source_id_11":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00183327","subitem_source_identifier_type":"NCID"}]},"item_7_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"03877892","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"佐藤, 修"}],"nameIdentifiers":[{"nameIdentifier":"162062","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2019-08-20"}],"displaytype":"detail","filename":"4_77-85.pdf","filesize":[{"value":"582.7 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"4_77-85.pdf","url":"https://niigata-u.repo.nii.ac.jp/record/28201/files/4_77-85.pdf"},"version_id":"4a7d465c-95c1-45ed-bfcf-8665874c9ef0"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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":"地すべり地の陸水の水質 : 2 濁沢・上馬場地すべり","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"地すべり地の陸水の水質 : 2 濁沢・上馬場地すべり"},{"subitem_title":"地すべり地の陸水の水質 : 2 濁沢・上馬場地すべり","subitem_title_language":"en"}]},"item_type_id":"7","owner":"1","path":["456","1579"],"pubdate":{"attribute_name":"公開日","attribute_value":"2016-03-03"},"publish_date":"2016-03-03","publish_status":"0","recid":"28201","relation_version_is_last":true,"title":["地すべり地の陸水の水質 : 2 濁沢・上馬場地すべり"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-15T03:58:10.616674+00:00"}