{"@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/1362825895447946368.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/2017ja024095"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F2017JA024095"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/2017JA024095"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1002/2017JA024095"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/am-pdf/10.1002/2017JA024095"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1002/2017JA024095"}}],"dc:title":[{"@value":"Trajectories of thermospheric air parcels flowing over Alaska, reconstructed from ground‐based wind measurements"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>It is widely presumed that the convective stability and enormous kinematic viscosity of Earth's upper thermosphere hinders development of both horizontal and vertical wind shears and other gradients. Any strong local structure (over scale sizes of several hundreds of kilometers) that might somehow form would be expected to dissipate rapidly. Air flow in such an atmosphere should be relatively simple, and transport effects only slowly disperse and mix air masses. However, our observations show that wind fields in Earth's thermosphere have much more local‐scale structure than usually predicated by current modeling techniques, at least at auroral latitudes; they complicate air parcel trajectories enormously, relative to typical expectations. For tracing air parcels, we used wind measurements of an all‐sky Scanning Doppler Fabry‐Perot interferometer and reconstructed time‐resolved two‐dimensional maps of the horizontal vector wind field to infer forward and backward air parcel trajectories over time. This is the first comprehensive study to visualize the complex motions of thermospheric air parcels carried through the actual observed local‐scale structures in the high‐latitude winds. Results show that thermospheric air parcel transport is a very difficult observational problem, because the trajectories followed are very sensitive to the detailed features of the driving wind field. To reconstruct the actual motion of a given air parcel requires wind measurements everywhere along the trajectory followed, with spatial resolutions of 100 km or less, and temporal resolutions of a few minutes or better. Understanding such transport is important, for example, in predicting the global‐scale impacts of aurorally generated composition perturbations.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825895447946368","@type":"Researcher","foaf:name":[{"@value":"Manbharat Dhadly"}],"jpcoar:affiliationName":[{"@value":"National Research Council Postdoctoral Research Associate, Space Science Division Naval Research Laboratory  Washington Discrict of Columbia USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895447946369","@type":"Researcher","foaf:name":[{"@value":"Mark Conde"}],"jpcoar:affiliationName":[{"@value":"Geophysical Institute University of Alaska Fairbanks  Fairbanks Alaska USA"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"21699380"},{"@type":"EISSN","@value":"21699402"}],"prism:publicationName":[{"@value":"Journal of Geophysical Research: Space Physics"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2017-06","prism:volume":"122","prism:number":"6","prism:startingPage":"6635","prism:endingPage":"6651"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#am","http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2F2017JA024095"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1002/2017JA024095"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1002/2017JA024095"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/am-pdf/10.1002/2017JA024095"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1002/2017JA024095"}],"createdAt":"2017-05-25","modifiedAt":"2023-09-05","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360298337256940800","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"IMF Dependence of Midnight Bifurcation in the Thermospheric Wind at an Auroral Latitude Based on Nine Winter Measurements in Tromsø, Norway"},{"@language":"en","@value":"Oyama, S., Hosokawa, K., Vanhamäki, H., Aikio, A., Sakanoi, T., Cai, L., et al. (2023). IMF dependence of midnight bifurcation in the thermospheric wind at an auroral latitude based on nine winter measurements in Tromsø, Norway. Geophysical Research Letters, 50, e2023GL104334"}]},{"@id":"https://cir.nii.ac.jp/crid/1360567183245449600","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Fabry‐Perot Interferometer Observations of Thermospheric Horizontal Winds During Magnetospheric Substorms"}]},{"@id":"https://cir.nii.ac.jp/crid/2051996266992072576","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Thermospheric wind response to a sudden ionospheric variation in the trough : event at a pseudo-breakup during geomagnetically quiet conditions"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1002/2017ja024095"},{"@type":"CROSSREF","@value":"10.1029/2023gl104334_references_DOI_Uj0oCIIeZbFOXyLn7aM7x3KnH5Y"},{"@type":"CROSSREF","@value":"10.1029/2018ja026241_references_DOI_Uj0oCIIeZbFOXyLn7aM7x3KnH5Y"},{"@type":"CROSSREF","@value":"10.1186/s40623-022-01710-6_references_DOI_Uj0oCIIeZbFOXyLn7aM7x3KnH5Y"}]}