{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362825894049916544.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1007/s10201-009-0304-6"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/content/pdf/10.1007/s10201-009-0304-6.pdf"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/article/10.1007/s10201-009-0304-6/fulltext.html"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/content/pdf/10.1007/s10201-009-0304-6"}}],"dc:title":[{"@value":"Color change of lake water at the active crater lake of Aso volcano, Yudamari, Japan: is it in response to change in water quality induced by volcanic activity?"}],"description":[{"notation":[{"@value":"One feature of volcanic lakes influenced by subaqueous fumaroles existing at lake bottoms (called active crater lakes) is the remarkable color of their waters: turquoise or emerald green. The active crater lake named Yudamari at Mt. Nakadake of Aso volcano, Japan, takes on a milky pale blue-green. The particular blue component of the lake water color results from Rayleigh scattering of sunlight by very fine aqueous colloidal sulfur particles; the green component is attributable to absorption of sunlight by dissolved ferrous ions. An objective color observation conducted during 2000–2007 revealed that the lake water color changed from blue-green to solid green. The disappearance of the blue ingredient of the water color will result in diminution of aqueous colloidal sulfur from chemical analyses of lake waters sampled simultaneously. The aqueous sulfur is produced by the reaction of sulfur dioxide and hydrogen sulfide supplied from subaqueous fumaroles. However, its production efficiency decreases by domination of sulfur dioxide in the subaqueous fumarolic sulfur gas species with increasing subaqueous fumarolic temperature. The disappearance of blue ingredients from the blue-green color of the lake water may be attributed to activation of subaqueous fumarole activity."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825894049916545","@type":"Researcher","foaf:name":[{"@value":"Shinji Ohsawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916547","@type":"Researcher","foaf:name":[{"@value":"Takeshi Saito"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916549","@type":"Researcher","foaf:name":[{"@value":"Shin Yoshikawa"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916551","@type":"Researcher","foaf:name":[{"@value":"Hideo Mawatari"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916544","@type":"Researcher","foaf:name":[{"@value":"Makoto Yamada"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916546","@type":"Researcher","foaf:name":[{"@value":"Kazuhiro Amita"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916548","@type":"Researcher","foaf:name":[{"@value":"Nobuki Takamatsu"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916552","@type":"Researcher","foaf:name":[{"@value":"Yasuaki Sudo"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894049916550","@type":"Researcher","foaf:name":[{"@value":"Tsuneomi Kagiyama"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"14398621"},{"@type":"EISSN","@value":"1439863X"}],"prism:publicationName":[{"@value":"Limnology"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2009-11-20","prism:volume":"11","prism:number":"3","prism:startingPage":"207","prism:endingPage":"215"},"reviewed":"false","dc:rights":["http://www.springer.com/tdm"],"url":[{"@id":"http://link.springer.com/content/pdf/10.1007/s10201-009-0304-6.pdf"},{"@id":"http://link.springer.com/article/10.1007/s10201-009-0304-6/fulltext.html"},{"@id":"http://link.springer.com/content/pdf/10.1007/s10201-009-0304-6"}],"createdAt":"2009-11-19","modifiedAt":"2019-05-29","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050282813184395136","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan: evidence of an undergrounds hydrothermal system surrounding the erupting vent"},{"@value":"Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan : evidence of an underground hydrothermal system surrounding the erupting vent"}]},{"@id":"https://cir.nii.ac.jp/crid/1050869456405311104","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Magmatic–hydrothermal system of Aso Volcano, Japan, inferred from electrical resistivity structures"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004230694301696","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Degassing Activity of a Volcanic Crater Lake: Volcanic Plume Measurements at the Yudamari Crater Lake, Aso Volcano, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004231248325248","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Brownish discoloration of the summit crater lake of Mt. Shinmoe-dake, Kirishima Volcano, Japan: volcanic–microbial coupled origin"}]},{"@id":"https://cir.nii.ac.jp/crid/1360283691033903360","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The September 14, 2015 phreatomagmatic eruption of Nakadake first crater, Aso Volcano, Japan: Eruption sequence inferred from ballistic, pyroclastic density current and fallout deposits"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679401118080","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"水文科学が解き明かす不思議な天然水"},{"@language":"en","@value":"Hydrological understanding of natural waters with unique characteristics"},{"@value":"水文科学が解き明かす不思議な天然水(3)様々な色を呈する別府の地獄"},{"@language":"ja-Kana","@value":"スイモン カガク ガ トキアカス フシギ ナ テンネンスイ(3)サマザマ ナ イロ オ テイスル ベップ ノ ジゴク"}]},{"@id":"https://cir.nii.ac.jp/crid/2050307417114050816","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Hydrothermal system of the active crater of Aso volcano (Japan) inferred from a three-dimensional resistivity structure model"}]},{"@id":"https://cir.nii.ac.jp/crid/2050588892090762752","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Temporal variations in discharge rate and component characteristics of tephra-fall deposits during the 2014–2015 eruption of Nakadake first crater, Aso Volcano, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/2050588892138430080","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Temporal variation in the chemical composition (HCl/SO2) of volcanic gas associated with the volcanic activity of Aso Volcano, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/2051151842042438272","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Variation of volcanic gas composition during the eruptive period in 2014–2015 at Nakadake crater, Aso volcano, Japan"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1007/s10201-009-0304-6"},{"@type":"OPENAIRE","@value":"doi_dedup___::27f80129c9f649ef5c06ff48b4d66e13"},{"@type":"CROSSREF","@value":"10.1007/978-3-642-36833-2_8_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1007/s00445-014-0809-7_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1186/s40623-018-0919-0_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.5047/eps.2012.11.003_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1186/s40623-018-0798-4_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1186/s40623-019-1017-7_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.4145/jahs.41.103_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1016/j.jvolgeores.2017.12.009_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1186/s40623-020-01180-8_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"},{"@type":"CROSSREF","@value":"10.1186/s40623-019-1018-6_references_DOI_UFNBlrmT7n3dNEmaFHjWtoXBN9z"}]}