{"@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/1363670319723538816.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1186/bf03353134"}},{"identifier":{"@type":"URI","@value":"https://link.springer.com/content/pdf/10.1186/BF03353134.pdf"}},{"identifier":{"@type":"URI","@value":"https://link.springer.com/article/10.1186/BF03353134/fulltext.html"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/content/pdf/10.1186/BF03353134"}},{"identifier":{"@type":"HANDLE","@value":"2115/67565"}}],"dc:title":[{"@value":"Precise remote-monitoring technique of water volume and temperature of a crater lake in Aso volcano, Japan: implications for a sensitive window of a volcanic hydrothermal system"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title>\n          <jats:p>A high-resolution Digital Surface Model and a commercial digital camera have enabled precise and continuous monitoring of the crater lake at Aso volcano. From July 2006 onwards, infrared (IR) thermometry has been used with this system, enabling more accurate measurements of lake volume and temperature based on simple and intensive observations than has been possible in any other previous studies. The heat discharge remained largely constant at approximately 220 MW, with the exception of an abrupt increase to 280 MW that coincided with a rapid decrease in the water level in August 2007. Simultaneously, an increase in temperature at a shallow depth was suggested by other observations. The crater lake was found to respond to even slight changes in volcanic fluid supply, which can be well quantified by our method. Thus, a crater lake can be monitored more precisely than subaerial fumaroles whose energy estimation is often accompanied by large uncertainties. Our monitoring technique of a crater lake provides information on the subsurface hydrothermal system beneath it, for which any in-situ measurements are practically impossible.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420564276180611072","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"00374215"},{"@type":"NRID","@value":"1000000374215"},{"@type":"NRID","@value":"9000409785534"},{"@type":"NRID","@value":"9000400159771"},{"@type":"NRID","@value":"9000415352753"},{"@type":"NRID","@value":"9000018804878"},{"@type":"NRID","@value":"9000340952768"},{"@type":"NRID","@value":"9000240533237"},{"@type":"NRID","@value":"9000381958622"},{"@type":"NRID","@value":"9000411276806"},{"@type":"NRID","@value":"9000411276805"},{"@type":"NRID","@value":"9000253430056"},{"@type":"NRID","@value":"9000414242619"},{"@type":"NRID","@value":"9000414242620"},{"@type":"NRID","@value":"9000411022597"},{"@type":"NRID","@value":"9000252866152"},{"@type":"NRID","@value":"9000018698163"},{"@type":"NRID","@value":"9000403425809"},{"@type":"NRID","@value":"9000398156360"},{"@type":"NRID","@value":"9000019252164"},{"@type":"NRID","@value":"9000414744537"},{"@type":"NRID","@value":"9000242735790"},{"@type":"NRID","@value":"9000410997503"},{"@type":"NRID","@value":"9000410997502"},{"@type":"NRID","@value":"9000406206657"},{"@type":"NRID","@value":"9000410949071"},{"@type":"NRID","@value":"9000392088844"},{"@type":"NRID","@value":"9000023420149"},{"@type":"NRID","@value":"9000394967773"},{"@type":"NRID","@value":"9000411392436"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/7000017631"}],"foaf:name":[{"@value":"Akihiko 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Hashimoto"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658347572226","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50126025"},{"@type":"NRID","@value":"1000050126025"},{"@type":"NRID","@value":"9000399261906"},{"@type":"NRID","@value":"9000410948315"},{"@type":"NRID","@value":"9000410947453"},{"@type":"NRID","@value":"9000410948317"},{"@type":"NRID","@value":"9000410948398"},{"@type":"NRID","@value":"9000410948430"},{"@type":"NRID","@value":"9000381531777"},{"@type":"NRID","@value":"9000410949147"},{"@type":"NRID","@value":"9000400162778"},{"@type":"NRID","@value":"9000410948374"},{"@type":"NRID","@value":"9000399827261"},{"@type":"NRID","@value":"9000410948322"},{"@type":"NRID","@value":"9000410949865"},{"@type":"NRID","@value":"9000364793749"},{"@type":"NRID","@value":"9000363140693"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0001252"}],"foaf:name":[{"@value":"Tsuneomi Kagiyama"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670319723538819","@type":"Researcher","foaf:name":[{"@value":"Hisashi Sasaki"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18805981"}],"prism:publicationName":[{"@value":"Earth, Planets and Space"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2008-06","prism:volume":"60","prism:number":"6","prism:startingPage":"705","prism:endingPage":"710"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://creativecommons.org/licenses/by/4.0/","https://creativecommons.org/licenses/by/4.0/"],"url":[{"@id":"https://link.springer.com/content/pdf/10.1186/BF03353134.pdf"},{"@id":"https://link.springer.com/article/10.1186/BF03353134/fulltext.html"},{"@id":"http://link.springer.com/content/pdf/10.1186/BF03353134"}],"createdAt":"2014-08-15","modifiedAt":"2021-09-02","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=450","dc:title":"450"},{"@id":"https://cir.nii.ac.jp/all?q=550","dc:title":"550"},{"@id":"https://cir.nii.ac.jp/all?q=hydrothermal%20system","dc:title":"hydrothermal system"},{"@id":"https://cir.nii.ac.jp/all?q=Aso%20volcano","dc:title":"Aso volcano"},{"@id":"https://cir.nii.ac.jp/all?q=Crater%20lake","dc:title":"Crater lake"},{"@id":"https://cir.nii.ac.jp/all?q=digital%20camera","dc:title":"digital camera"},{"@id":"https://cir.nii.ac.jp/all?q=digital%20surface%20model","dc:title":"digital surface model"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050869456406893440","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Volcanic smoke reduction in visible and thermal infrared imagery"}]},{"@id":"https://cir.nii.ac.jp/crid/1050869456407233792","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Variety and sustainability of volcanic lakes : Response to subaqueous thermal activity predicted by a numerical model"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002215319264000","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"A water flow model 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