{"@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/1390862268805121920.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2208/jscejj.23-16117"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/jscejj/80/16/80_23-16117/_pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"LONG-TERM ASSESSMENT OF RIVER FLOW REGIME APPLYING STATISTICAL CORRECTION METHOD TO ERA5"},{"@language":"ja","@value":"統計的補正手法を適用したERA5を用いた長期的な河川流況評価"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"<p> In the case of instituting river planning, it is important to determine the exceedance probabilities based on long-term observational data. However, there are many data-scarce basins in the world, such as in developing countries. Although reanalysis data has been used instead of observation data in these areas, it has biases between the observational data since the spatial resolution of reanalysis data is low. In this study, we developed a statistical correction method for reanalysis data (ERA5) with four different calibration periods (rewind to 5, 10, 15 and 20 years from the latest year of observation data) and created long-term pseudo hydro-meteorological data such as precipitation and temperature. In addition, we examined the type of probability distribution and the number of years for the calibration period that should be applied to create highly accurate corrected data. As a result, it is found that river flow indices based on ERA5 which was applied to the statistical correction method are the almost same relative to the observational data. Furthermore, the corrected data which applied the statistical correction method with the gamma distribution developed based on over 15 years of observational data in the calibration period revealed the high accuracy river flow indices and annual exceedance probability flow based on observational data.</p>"},{"@language":"ja","@value":"<p>　河川の計画規模を定める際，長期間の観測データを基に水文量の年超過確率を定めることが重要だが，世界には観測データが乏しい流域も数多く存在する．そのような流域では，観測値として再解析データが利用されるものの，観測値との間にバイアスが存在する．そこで本研究では，河川計画での利用に向けた長期間の疑似観測データの作成を行い，データの作成に適した確率分布，較正期間に関する検討を行った．その結果，3段タンクモデルの適用により算出した疑似観測データに基づく流量は，観測値の流量を高精度に再現可能であり，指数分布型手法は日単位の流量，ガンマ分布型手法は大規模出水の再現精度が高いことが示された．また，15年以上の較正期間を設定した場合，極端な降水現象が大きな影響を与える確率流量を良好に再現出来ることが示唆された．</p>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410862268805121923","@type":"Researcher","foaf:name":[{"@language":"en","@value":"WADA Kosuke"},{"@language":"ja","@value":"和田 光将"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学 大学院工学府土木工学専攻"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801209987200","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50790531"},{"@type":"NRID","@value":"1000050790531"},{"@type":"ORCID","@value":"0000-0002-9883-9589"},{"@type":"NRID","@value":"9000375904978"},{"@type":"NRID","@value":"9000297483116"},{"@type":"NRID","@value":"9000345275367"},{"@type":"NRID","@value":"9000410756438"},{"@type":"NRID","@value":"9000402465407"},{"@type":"NRID","@value":"9000402244006"},{"@type":"NRID","@value":"9000399379799"},{"@type":"NRID","@value":"9000375905000"},{"@type":"NRID","@value":"9000345344173"},{"@type":"NRID","@value":"9000345211142"},{"@type":"NRID","@value":"9000414761858"},{"@type":"NRID","@value":"9000402924173"},{"@type":"NRID","@value":"9000258265996"},{"@type":"NRID","@value":"9000258267219"},{"@type":"NRID","@value":"9000283640166"},{"@type":"NRID","@value":"9000365542652"},{"@type":"NRID","@value":"9000410756312"},{"@type":"NRID","@value":"9000405666109"},{"@type":"NRID","@value":"9000258268945"},{"@type":"NRID","@value":"9000356605944"},{"@type":"NRID","@value":"9000283893178"},{"@type":"NRID","@value":"9000405696190"},{"@type":"NRID","@value":"9000399252762"},{"@type":"NRID","@value":"9000382214858"},{"@type":"NRID","@value":"9000399836389"},{"@type":"NRID","@value":"9000273002018"},{"@type":"NRID","@value":"9000404003795"},{"@type":"NRID","@value":"9000347224897"},{"@type":"NRID","@value":"9000240071256"},{"@type":"NRID","@value":"9000405671968"},{"@type":"NRID","@value":"9000258523714"},{"@type":"NRID","@value":"9000265259902"},{"@type":"NRID","@value":"9000399252983"},{"@type":"NRID","@value":"9000365542636"},{"@type":"NRID","@value":"9000347187490"},{"@type":"NRID","@value":"9000410756448"},{"@type":"NRID","@value":"9000402255239"},{"@type":"NRID","@value":"9000399373402"},{"@type":"NRID","@value":"9000388484567"},{"@type":"NRID","@value":"9000415324063"},{"@type":"NRID","@value":"9000018589481"},{"@type":"NRID","@value":"9000019943025"},{"@type":"NRID","@value":"9000383071782"},{"@type":"NRID","@value":"9000290822079"},{"@type":"NRID","@value":"9000402465128"},{"@type":"NRID","@value":"9000405666133"},{"@type":"NRID","@value":"9000405672188"},{"@type":"NRID","@value":"9000405696135"},{"@type":"NRID","@value":"9000399252801"},{"@type":"NRID","@value":"9000020784940"},{"@type":"NRID","@value":"9000347224550"},{"@type":"NRID","@value":"9000347187270"},{"@type":"NRID","@value":"9000406228662"},{"@type":"NRID","@value":"9000283631831"},{"@type":"NRID","@value":"9000258265985"},{"@type":"NRID","@value":"9000415323864"},{"@type":"NRID","@value":"9000365542645"},{"@type":"NRID","@value":"9000383071778"},{"@type":"NRID","@value":"9000405666214"},{"@type":"NRID","@value":"9000405672180"},{"@type":"NRID","@value":"9000258524244"},{"@type":"NRID","@value":"9000413257381"},{"@type":"NRID","@value":"9000410278613"},{"@type":"NRID","@value":"9000283631223"},{"@type":"NRID","@value":"9000258267285"},{"@type":"NRID","@value":"9000405703217"},{"@type":"NRID","@value":"9000402255111"},{"@type":"NRID","@value":"9000409762701"},{"@type":"NRID","@value":"9000258265494"},{"@type":"NRID","@value":"9000258267864"},{"@type":"NRID","@value":"9000380496086"},{"@type":"NRID","@value":"9000415324006"},{"@type":"NRID","@value":"9000345337045"},{"@type":"NRID","@value":"9000408595831"},{"@type":"NRID","@value":"9000415324335"},{"@type":"NRID","@value":"9000347187189"},{"@type":"NRID","@value":"9000345211457"},{"@type":"NRID","@value":"9000414514935"},{"@type":"NRID","@value":"9000408794522"},{"@type":"NRID","@value":"9000405672247"},{"@type":"NRID","@value":"9000258266625"},{"@type":"NRID","@value":"9000411227439"},{"@type":"NRID","@value":"9000415324209"},{"@type":"NRID","@value":"9000398624135"},{"@type":"NRID","@value":"9000290821767"},{"@type":"NRID","@value":"9000414832917"},{"@type":"NRID","@value":"9000258241474"},{"@type":"NRID","@value":"9000283638532"},{"@type":"NRID","@value":"9000283639655"},{"@type":"NRID","@value":"9000375904835"},{"@type":"NRID","@value":"9000283893371"},{"@type":"NRID","@value":"9000345343709"},{"@type":"NRID","@value":"9000399372802"},{"@type":"NRID","@value":"9000258523545"},{"@type":"NRID","@value":"9000258265961"},{"@type":"NRID","@value":"9000258242651"},{"@type":"NRID","@value":"9000405696429"},{"@type":"NRID","@value":"9000388484389"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/ysykmaruya"}],"foaf:name":[{"@language":"en","@value":"MARUYA Yasuyuki"},{"@language":"ja","@value":"丸谷 靖幸"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学 大学院工学研究院環境社会部門"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751137717504","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20633845"},{"@type":"NRID","@value":"1000020633845"},{"@type":"ORCID","@value":"0000-0001-5601-7854"},{"@type":"NRID","@value":"9000258267492"},{"@type":"NRID","@value":"9000347187080"},{"@type":"NRID","@value":"9000345211437"},{"@type":"NRID","@value":"9000414254560"},{"@type":"NRID","@value":"9000379609398"},{"@type":"NRID","@value":"9000405672238"},{"@type":"NRID","@value":"9000405696200"},{"@type":"NRID","@value":"9000017325190"},{"@type":"NRID","@value":"9000402255204"},{"@type":"NRID","@value":"9000258266329"},{"@type":"NRID","@value":"9000410728590"},{"@type":"NRID","@value":"9000375905118"},{"@type":"NRID","@value":"9000410756365"},{"@type":"NRID","@value":"9000402255245"},{"@type":"NRID","@value":"9000258265540"},{"@type":"NRID","@value":"9000356605945"},{"@type":"NRID","@value":"9000414515048"},{"@type":"NRID","@value":"9000399373390"},{"@type":"NRID","@value":"9000283236787"},{"@type":"NRID","@value":"9000241777506"},{"@type":"NRID","@value":"9000415324285"},{"@type":"NRID","@value":"9000414833007"},{"@type":"NRID","@value":"9000415324478"},{"@type":"NRID","@value":"9000405666291"},{"@type":"NRID","@value":"9000405666761"},{"@type":"NRID","@value":"9000258523921"},{"@type":"NRID","@value":"9000404658370"},{"@type":"NRID","@value":"9000410756449"},{"@type":"NRID","@value":"9000375904826"},{"@type":"NRID","@value":"9000414833028"},{"@type":"NRID","@value":"9000405671948"},{"@type":"NRID","@value":"9000405672190"},{"@type":"NRID","@value":"9000410756381"},{"@type":"NRID","@value":"9000405666062"},{"@type":"NRID","@value":"9000406228656"},{"@type":"NRID","@value":"9000405760647"},{"@type":"NRID","@value":"9000405696217"},{"@type":"NRID","@value":"9000415323865"},{"@type":"NRID","@value":"9000405672182"},{"@type":"NRID","@value":"9000356605963"},{"@type":"NRID","@value":"9000415324275"},{"@type":"NRID","@value":"9000345211258"},{"@type":"NRID","@value":"9000410757038"},{"@type":"NRID","@value":"9000399833813"},{"@type":"NRID","@value":"9000399329739"},{"@type":"NRID","@value":"9000415324463"},{"@type":"NRID","@value":"9000243891795"},{"@type":"NRID","@value":"9000412041412"},{"@type":"NRID","@value":"9000410349693"},{"@type":"NRID","@value":"9000405671807"},{"@type":"NRID","@value":"9000409326885"},{"@type":"NRID","@value":"9000309987553"},{"@type":"NRID","@value":"9000241832133"},{"@type":"NRID","@value":"9000414515411"},{"@type":"NRID","@value":"9000414254367"},{"@type":"NRID","@value":"9000410883396"},{"@type":"NRID","@value":"9000410168118"},{"@type":"NRID","@value":"9000410041500"},{"@type":"NRID","@value":"9000415324336"},{"@type":"NRID","@value":"9000414514936"},{"@type":"NRID","@value":"9000405672025"},{"@type":"NRID","@value":"9000411217400"},{"@type":"NRID","@value":"9000405672242"},{"@type":"NRID","@value":"9000405691947"},{"@type":"NRID","@value":"9000411227440"},{"@type":"NRID","@value":"9000404003667"},{"@type":"NRID","@value":"9000415323945"},{"@type":"NRID","@value":"9000375904868"},{"@type":"NRID","@value":"9000240071262"},{"@type":"NRID","@value":"9000410756389"},{"@type":"NRID","@value":"9000399330245"},{"@type":"NRID","@value":"9000415324144"},{"@type":"NRID","@value":"9000415323973"},{"@type":"NRID","@value":"9000243891794"},{"@type":"NRID","@value":"9000412017532"},{"@type":"NRID","@value":"9000405666383"},{"@type":"NRID","@value":"9000258523455"},{"@type":"NRID","@value":"9000405696430"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/stswata"}],"foaf:name":[{"@language":"en","@value":"WATANABE Satoshi"},{"@language":"ja","@value":"渡部 哲史"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学 大学院比較社会文化研究院"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276178162688","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"80274489"},{"@type":"NRID","@value":"1000080274489"},{"@type":"ORCID","@value":"0000-0001-5363-6051"},{"@type":"NRID","@value":"9000345326249"},{"@type":"NRID","@value":"9000254409982"},{"@type":"NRID","@value":"9000398788508"},{"@type":"NRID","@value":"9000411042451"},{"@type":"NRID","@value":"9000254956512"},{"@type":"NRID","@value":"9000254251479"},{"@type":"NRID","@value":"9000414761859"},{"@type":"NRID","@value":"9000254955942"},{"@type":"NRID","@value":"9000258242024"},{"@type":"NRID","@value":"9000410655868"},{"@type":"NRID","@value":"9000252985404"},{"@type":"NRID","@value":"9000415053948"},{"@type":"NRID","@value":"9000404627207"},{"@type":"NRID","@value":"9000399257124"},{"@type":"NRID","@value":"9000411529814"},{"@type":"NRID","@value":"9000411843256"},{"@type":"NRID","@value":"9000414865421"},{"@type":"NRID","@value":"9000415323866"},{"@type":"NRID","@value":"9000401637130"},{"@type":"NRID","@value":"9000345299589"},{"@type":"NRID","@value":"9000414761830"},{"@type":"NRID","@value":"9000410278536"},{"@type":"NRID","@value":"9000002473723"},{"@type":"NRID","@value":"9000392737356"},{"@type":"NRID","@value":"9000401901061"},{"@type":"NRID","@value":"9000415324010"},{"@type":"NRID","@value":"9000411528881"},{"@type":"NRID","@value":"9000006614585"},{"@type":"NRID","@value":"9000415324338"},{"@type":"NRID","@value":"9000414252496"},{"@type":"NRID","@value":"9000415324210"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/yanoshinichiro"}],"foaf:name":[{"@language":"en","@value":"YANO Shinichiro"},{"@language":"ja","@value":"矢野 真一郎"}],"jpcoar:affiliationName":[{"@language":"ja","@value":"九州大学 大学院工学研究院環境社会部門"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"24366021"}],"prism:publicationName":[{"@language":"en","@value":"Japanese Journal of JSCE"},{"@language":"ja","@value":"土木学会論文集"},{"@language":"en","@value":"Japanese Journal of JSCE"},{"@language":"ja","@value":"土木学会論文集"}],"dc:publisher":[{"@language":"en","@value":"Japan Society of Civil Engineers"},{"@language":"ja","@value":"公益社団法人 土木学会"}],"prism:publicationDate":"2024","prism:volume":"80","prism:number":"16","prism:startingPage":"n/a"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"https://www.jstage.jst.go.jp/article/jscejj/80/16/80_23-16117/_pdf"}],"availableAt":"2024","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=climate%20change","dc:title":"climate change"},{"@id":"https://cir.nii.ac.jp/all?q=reanalysis%20data","dc:title":"reanalysis data"},{"@id":"https://cir.nii.ac.jp/all?q=statistical%20correction%20method","dc:title":"statistical correction method"},{"@id":"https://cir.nii.ac.jp/all?q=river%20flow%20regime","dc:title":"river flow regime"},{"@id":"https://cir.nii.ac.jp/all?q=river%20management","dc:title":"river management"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040011231180660096","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"22K18832"},{"@type":"JGN","@value":"JP22K18832"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K18832/"}],"notation":[{"@language":"ja","@value":"新たな気候変動アトリビューション研究アプローチ法の開拓"},{"@language":"en","@value":"Development of a New Approach to Climate Change Attribution Research"}]},{"@id":"https://cir.nii.ac.jp/crid/1040289864809880064","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21H05178"},{"@type":"JGN","@value":"JP21H05178"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PLANNED-21H05178/"}],"notation":[{"@language":"ja","@value":"水共生学の創生に向けた水とその周辺環境情報の創出と展開"}]},{"@id":"https://cir.nii.ac.jp/crid/1040571339786217856","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21H05177"},{"@type":"JGN","@value":"JP21H05177"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-ORGANIZER-21H05177/"}],"notation":[{"@language":"ja","@value":"ゆらぎの場としての水循環システムの動態的解明による水共生学の創生"},{"@language":"en","@value":"Integrated Sciences for Sustainable Human-Aqua Environment"}]},{"@id":"https://cir.nii.ac.jp/crid/1040854882537058816","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"22K04337"},{"@type":"JGN","@value":"JP22K04337"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-22K04337/"}],"notation":[{"@language":"ja","@value":"気候・人間活動の変化に伴う流域圏窒素循環の長期変動の解明"},{"@language":"en","@value":"Long-term changes in nitrogen cycling in a catchment associated with changes in climate and human activities"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360579819731412352","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Evaluation of Reanalysis Precipitation Data and Potential Bias Correction Methods for Use in Data-Scarce Areas"}]},{"@id":"https://cir.nii.ac.jp/crid/1360861293090236160","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"WFDE5: bias-adjusted ERA5 reanalysis data for impact studies"}]},{"@id":"https://cir.nii.ac.jp/crid/1360863415726567168","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"A taxonomic, genetic and ecological data resource for the vascular plants of Britain and Ireland"}]},{"@id":"https://cir.nii.ac.jp/crid/1363670318301988096","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Resampling of regional climate model output for the simulation of extreme river flows"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001205353403776","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"水文気象データが乏しい流域を対象とした気候変動影響評価手法の検討"},{"@language":"en","@value":"CLIMATE CHANGE IMPACT ASSESSMENT METHOD IN OBSERVATION DATA SCARCE BASIN"},{"@language":"ja-Kana","@value":"スイモン キショウ データ ガ トボシイ リュウイキ オ タイショウ ト シタ キコウ ヘンドウ エイキョウ ヒョウカ シュホウ ノ ケントウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390002184849287168","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"INFLUENCE OF TERRAIN MODEL IN 5KM DYNAMICAL DOWNSCALING OF JRA-55 ON FLOOD RUNOFF ANALYSIS"},{"@language":"ja","@value":"JRA-55再解析データのダウンスケーリング実験における地形モデル選択が洪水流出解析に及ぼす影響"}]},{"@id":"https://cir.nii.ac.jp/crid/1390008754689717376","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"NUMBER OF OBSRVATION PERIOD REQUIRED FOR DEVELOPMENT OF STATISTICAL CORRECTION METHOD FOR JRA-55 PRECIPITATION"},{"@language":"ja","@value":"JRA-55降水量の統計的補正手法の開発に必要な観測年数に関する検討"}]},{"@id":"https://cir.nii.ac.jp/crid/1390013408148609920","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"CLIMATE CHANGE IMPACT ASSESSMENT ON RIVER FLOW REGIME CONSIDERING UNCERTAINTY OF RUNOFF MODEL AND CLIMATE MODEL"},{"@language":"ja","@value":"流出モデルと気候モデルの不確実性を考慮した気候変動が河川流況に与える影響評価"}]},{"@id":"https://cir.nii.ac.jp/crid/1390294883125316224","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"PSEUDO OBSERVATION DATA CREATION METHOD FOR HYDROMETEOROLOGICAL FACTORS BASED ON REANALYSIS DATA"},{"@language":"ja","@value":"観測データの乏しい流域での利用に向けた再解析データを用いた水文気象準観測データ作成手法の開発"}]},{"@id":"https://cir.nii.ac.jp/crid/1390567901495025280","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"COMPARISON BETWEEN STATISTICAL CORRECTION METHOD AND DYNAMICAL DOWNSCALING FOR JRA-55 IN RIVER BASIN SCALE TOWARD CLIMATE CHANGE IMPACT ASSESSMENT"},{"@language":"ja","@value":"流域スケールの気候変動影響評価に向けたJRA-55の統計的補正手法と力学DSの比較"}]}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:2012399028"},{"@type":"CROSSREF","@value":"10.2208/jscejj.23-16117"},{"@type":"KAKEN","@value":"PRODUCT-25167068"},{"@type":"KAKEN","@value":"PRODUCT-24911903"},{"@type":"KAKEN","@value":"PRODUCT-24774362"},{"@type":"KAKEN","@value":"PRODUCT-25336759"}]}