{"@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/1360580232390912640.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.5194/amt-13-1989-2020"}},{"identifier":{"@type":"URI","@value":"https://amt.copernicus.org/articles/13/1989/2020/amt-13-1989-2020.pdf"}},{"identifier":{"@type":"DOI","@value":"10.5194/amt-2019-357"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"On the estimation of vertical air velocity and detection of atmospheric turbulence from the ascent rate of balloon soundings"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Abstract. Vertical ascent rate VB of meteorological balloons\nis sometimes used for retrieving vertical air velocity W, an important\nparameter for meteorological applications, but at the cost of crude\nhypotheses on atmospheric turbulence and without the possibility of formally\nvalidating the models from concurrent measurements. From simultaneous radar\nand unmanned aerial vehicle (UAV) measurements of turbulent kinetic energy\ndissipation rates ε, we show that VB can be strongly\naffected by turbulence, even above the convective boundary layer. For\n“weak” turbulence (here ε≲10−4 m2 s−3), the\nfluctuations of VB were found to be fully consistent with W\nfluctuations measured by middle and upper atmosphere (MU) radar, indicating that an estimate of W can\nindeed be retrieved from VB if the free balloon lift is determined. In\ncontrast, stronger turbulence intensity systematically implies an increase in VB, not associated with an increase in W according to radar data,\nvery likely due to the decrease in the turbulence drag coefficient of the\nballoon. From the statistical analysis of data gathered from 376 balloons\nlaunched every 3 h at Bengkulu (Indonesia), positive VB\ndisturbances, mainly observed in the troposphere, were found to be clearly\nassociated with Ri≲0.25, usually indicative of turbulence, confirming\nthe case studies. The analysis also revealed the superimposition of\nadditional positive and negative disturbances for Ri≲0.25 likely due to\nKelvin–Helmholtz waves and large-scale billows. From this experimental\nevidence, we conclude that the ascent rate of meteorological balloons, with\nthe current performance of radiosondes in terms of altitude accuracy, can\npotentially be used for the detection of turbulence. The presence of\nturbulence complicates the estimation of W, and misinterpretations of\nVB fluctuations can be made if localized turbulence effects are\nignored.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380580232390912768","@type":"Researcher","foaf:name":[{"@value":"Hubert Luce"}]},{"@id":"https://cir.nii.ac.jp/crid/1420845751144915456","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"90293943"},{"@type":"NRID","@value":"1000090293943"},{"@type":"ORCID","@value":"0000-0001-8033-0955"},{"@type":"NRID","@value":"9000363405193"},{"@type":"NRID","@value":"9000363406226"},{"@type":"NRID","@value":"9000023420924"},{"@type":"NRID","@value":"9000006932202"},{"@type":"NRID","@value":"9000024736205"},{"@type":"NRID","@value":"9000242447625"},{"@type":"NRID","@value":"9000392819584"},{"@type":"NRID","@value":"9000363405345"},{"@type":"NRID","@value":"9000363405633"},{"@type":"NRID","@value":"9000251871685"},{"@type":"NRID","@value":"9000408954189"},{"@type":"NRID","@value":"9000392818987"},{"@type":"NRID","@value":"9000415218418"},{"@type":"NRID","@value":"9000356914401"},{"@type":"NRID","@value":"9000410510121"},{"@type":"NRID","@value":"9000001755164"},{"@type":"NRID","@value":"9000398156159"},{"@type":"NRID","@value":"9000400196019"},{"@type":"NRID","@value":"9000107381413"},{"@type":"NRID","@value":"9000363410491"},{"@type":"NRID","@value":"9000363404233"},{"@type":"NRID","@value":"9000285477723"},{"@type":"NRID","@value":"9000398156352"},{"@type":"NRID","@value":"9000324994889"},{"@type":"NRID","@value":"9000254740887"},{"@type":"NRID","@value":"9000404240266"},{"@type":"NRID","@value":"9000257766551"},{"@type":"NRID","@value":"9000257766820"},{"@type":"NRID","@value":"9000415221827"},{"@type":"NRID","@value":"9000363409886"},{"@type":"NRID","@value":"9000363408028"},{"@type":"NRID","@value":"9000242547291"},{"@type":"NRID","@value":"9000400195941"},{"@type":"NRID","@value":"9000408855522"},{"@type":"NRID","@value":"9000408855526"},{"@type":"NRID","@value":"9000283236811"},{"@type":"NRID","@value":"9000258248617"},{"@type":"NRID","@value":"9000024229428"},{"@type":"NRID","@value":"9000363492033"},{"@type":"NRID","@value":"9000363405645"},{"@type":"NRID","@value":"9000257766450"},{"@type":"NRID","@value":"9000363407760"},{"@type":"NRID","@value":"9000363406035"},{"@type":"NRID","@value":"9000024741813"},{"@type":"NRID","@value":"9000283236180"},{"@type":"NRID","@value":"9000004867861"},{"@type":"NRID","@value":"9000363405000"},{"@type":"NRID","@value":"9000242547359"},{"@type":"NRID","@value":"9000408855032"},{"@type":"NRID","@value":"9000408855036"},{"@type":"NRID","@value":"9000024211772"},{"@type":"NRID","@value":"9000363407314"},{"@type":"NRID","@value":"9000346964449"},{"@type":"NRID","@value":"9000253258805"},{"@type":"NRID","@value":"9000107314065"},{"@type":"NRID","@value":"9000363406021"},{"@type":"NRID","@value":"9000363406029"},{"@type":"NRID","@value":"9000413694831"},{"@type":"NRID","@value":"9000346964386"},{"@type":"NRID","@value":"9000363403808"},{"@type":"NRID","@value":"9000242547406"},{"@type":"NRID","@value":"9000410510115"},{"@type":"NRID","@value":"9000257768043"},{"@type":"NRID","@value":"9000347189128"},{"@type":"NRID","@value":"9000257827646"},{"@type":"NRID","@value":"9000363409410"},{"@type":"NRID","@value":"9000363403713"},{"@type":"NRID","@value":"9000254846892"},{"@type":"NRID","@value":"9000257766614"},{"@type":"NRID","@value":"9000363405424"},{"@type":"NRID","@value":"9000410510105"},{"@type":"NRID","@value":"9000410510118"},{"@type":"NRID","@value":"9000356514769"},{"@type":"NRID","@value":"9000392818888"},{"@type":"NRID","@value":"9000363502601"},{"@type":"NRID","@value":"9000363401942"},{"@type":"NRID","@value":"9000363499403"},{"@type":"NRID","@value":"9000363402107"},{"@type":"NRID","@value":"9000363402703"},{"@type":"NRID","@value":"9000363402808"},{"@type":"NRID","@value":"9000363403654"},{"@type":"NRID","@value":"9000363496822"},{"@type":"NRID","@value":"9000363402143"},{"@type":"NRID","@value":"9000363402815"},{"@type":"NRID","@value":"9000363502647"},{"@type":"NRID","@value":"9000363499917"},{"@type":"NRID","@value":"9000363501304"},{"@type":"NRID","@value":"9000363502177"},{"@type":"NRID","@value":"9000363402256"},{"@type":"NRID","@value":"9000363402757"},{"@type":"NRID","@value":"9000363502687"},{"@type":"NRID","@value":"9000363403050"},{"@type":"NRID","@value":"9000363486981"},{"@type":"NRID","@value":"9000363499936"},{"@type":"NRID","@value":"9000363402148"},{"@type":"NRID","@value":"9000363402259"},{"@type":"NRID","@value":"9000363403175"},{"@type":"NRID","@value":"9000363403360"},{"@type":"NRID","@value":"9000363403603"},{"@type":"NRID","@value":"9000363500586"},{"@type":"NRID","@value":"9000363402314"},{"@type":"NRID","@value":"9000363498901"},{"@type":"NRID","@value":"9000363403042"},{"@type":"NRID","@value":"9000363402359"},{"@type":"NRID","@value":"9000363500357"},{"@type":"NRID","@value":"9000363401935"},{"@type":"NRID","@value":"9000363402117"},{"@type":"NRID","@value":"9000363402201"},{"@type":"NRID","@value":"9000363403576"},{"@type":"NRID","@value":"9000363404491"},{"@type":"NRID","@value":"9000363502434"},{"@type":"NRID","@value":"9000363402322"},{"@type":"NRID","@value":"9000363403495"},{"@type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Hashiguchi"}]}],"contributor":[{"@id":"https://cir.nii.ac.jp/crid/1891709543026453120","@type":"Researcher","foaf:name":[{"@value":"Institut méditerranéen d'océanologie (MIO) ; Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)"}]},{"@id":"https://cir.nii.ac.jp/crid/1892836541121488768","@type":"Researcher","foaf:name":[{"@value":"POTHIER, Nathalie"}]},{"@id":"https://cir.nii.ac.jp/crid/1892836541121488769","@type":"Researcher","foaf:name":[{"@value":"Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut national des sciences de l'Univers (INSU - CNRS)-Université de Toulon (UTLN)-Centre National de la Recherche Scientifique (CNRS)"}]},{"@id":"https://cir.nii.ac.jp/crid/1892836541121488770","@type":"Researcher","foaf:name":[{"@value":"Institut méditerranéen d'océanologie (MIO)"}]}],"publication":{"publicationIdentifier":[{"@type":"EISSN","@value":"18678548"}],"prism:publicationName":[{"@value":"Atmospheric Measurement Techniques"}],"dc:publisher":[{"@value":"Copernicus GmbH"}],"prism:publicationDate":"2020-04-21","prism:volume":"13","prism:number":"4","prism:startingPage":"1989","prism:endingPage":"1999"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","dc:rights":["https://creativecommons.org/licenses/by/4.0/"],"url":[{"@id":"https://amt.copernicus.org/articles/13/1989/2020/amt-13-1989-2020.pdf"}],"createdAt":"2020-04-21","modifiedAt":"2025-01-31","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=%5BSDU%5D%20Sciences%20of%20the%20Universe%20%5Bphysics%5D","dc:title":"[SDU] Sciences of the Universe [physics]"},{"@id":"https://cir.nii.ac.jp/all?q=Earthwork.%20Foundations","dc:title":"Earthwork. Foundations"},{"@id":"https://cir.nii.ac.jp/all?q=%5BSDU%5DSciences%20of%20the%20Universe%20%5Bphysics%5D","dc:title":"[SDU]Sciences of the Universe [physics]"},{"@id":"https://cir.nii.ac.jp/all?q=TA715-787","dc:title":"TA715-787"},{"@id":"https://cir.nii.ac.jp/all?q=Environmental%20engineering","dc:title":"Environmental engineering"},{"@id":"https://cir.nii.ac.jp/all?q=TA170-171","dc:title":"TA170-171"},{"@id":"https://cir.nii.ac.jp/all?q=532","dc:title":"532"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040282256990738944","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"19H01967"},{"@type":"JGN","@value":"JP19H01967"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-19H01967/"}],"notation":[{"@language":"ja","@value":"赤道大気レーダーの高機能化開発による熱帯対流圏界層の研究"},{"@language":"en","@value":"Study on tropical tropopause layer by developing high-performance equatorial atmosphere radar"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050306506454423552","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Kelvin-Helmholtz instability around the tropical tropopause observed with the Equatorial Atmosphere Radar"},{"@value":"Kelvin‐Helmholtz instability around the tropical tropopause observed with the Equatorial Atmosphere Radar"}]},{"@id":"https://cir.nii.ac.jp/crid/1050564288163935744","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Shigaraki UAV-Radar Experiment (ShUREX): overview of the campaign with some preliminary results"}]},{"@id":"https://cir.nii.ac.jp/crid/1051412328366400256","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Turbulence Kinetic Energy Dissipation Rates Estimated 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Characteristics of gravity waves"}]},{"@id":"https://cir.nii.ac.jp/crid/1364233269315765632","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"An Auxiliary Tool to Determine the Height of the Boundary Layer"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.5194/amt-13-1989-2020"},{"@type":"CROSSREF","@value":"10.5194/amt-2019-357"},{"@type":"KAKEN","@value":"PRODUCT-24611460"},{"@type":"OPENAIRE","@value":"doi_dedup___::a693496107b20e5b9953296a9168a479"},{"@type":"CROSSREF","@value":"10.5194/amt-13-1989-2020_hasPreprint_DOI_GYQCEAinEUeDR3nPtoKIA4TUnr2"},{"@type":"CROSSREF","@value":"10.5194/amt-2019-357_isPreprintOf_DOI_TB1EfZAt3DfP0qgd5u1Yp12p2Xk"}]}