{"@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/1363670320397437696.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2009ja015053"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2009JA015053"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2009JA015053"}}],"dc:title":[{"@value":"Sources of the traveling ionospheric disturbances observed by the ionospheric TIDDBIT sounder near Wallops Island on 30 October 2007"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>We model the gravity waves (GWs) excited by Tropical Storm (TS) Noel at 0432 UT on 30 October 2007. Using forward ray tracing, we calculate the body forces which result from the saturation and dissipation of these GWs. We then analyze the 59 traveling ionospheric disturbances (TIDs) observed by the TIDDBIT ionospheric sounder at 0400‐1000 UT near Wallops Island. These TIDs were located at the bottomside of the F layer at <jats:italic>z</jats:italic> = 230–290 km, had periods of <jats:italic>τ</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub> = 15 to 90 min, horizontal wavelengths of <jats:italic>λ</jats:italic><jats:sub><jats:italic>H</jats:italic></jats:sub> = 100 to 3000 km, and horizontal phase speeds of <jats:italic>c</jats:italic><jats:sub><jats:italic>H</jats:italic></jats:sub> = 140 to 650 m/s. 33 (∼60%) of the TIDs were propagating northwest(NW) and north(N)ward, from the direction of TS Noel 1700–2000 km away. We show that these TIDs were likely GWs. 40% of these GWs had phase speeds larger than 280m/s. This precluded a tropospheric source and suggested mesospheric and thermospheric sources instead. Using reverse ray tracing, we compare the GW locations with the regions of convective overshoot, mesospheric body forces, and thermospheric body forces. We identify 27 of the northwest/northward propagating GWs as likely being secondary GWs excited by thermospheric body forces. Three may have originated from mesospheric body forces, although this is much less likely. None are identified as primary GWs excited directly by TS Noel. 11 of these GWs with <jats:italic>c</jats:italic><jats:sub><jats:italic>H</jats:italic></jats:sub> < 205 m/s likely reflected near the tropopause prior to detection. This secondary GW spectrum peaks at <jats:italic>λ</jats:italic><jats:sub><jats:italic>H</jats:italic></jats:sub> ∼ 100–300 km and <jats:italic>c</jats:italic><jats:sub><jats:italic>H</jats:italic></jats:sub> ∼ 100–300 m/s. To our knowledge, this is the first identification and quantification of secondary GWs from thermospheric body forces.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383670320397437697","@type":"Researcher","foaf:name":[{"@value":"Sharon L. Vadas"}],"jpcoar:affiliationName":[{"@value":"Colorado Research Associates Division NorthWest Research Associates  Boulder Colorado USA"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320397437696","@type":"Researcher","foaf:name":[{"@value":"Geoff Crowley"}],"jpcoar:affiliationName":[{"@value":"Atmospheric and Space Technology Research Associates  San Antonio Texas USA"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"01480227"}],"prism:publicationName":[{"@value":"Journal of Geophysical Research: Space Physics"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2010-07","prism:volume":"115","prism:number":"A7","prism:startingPage":"A07324"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2009JA015053"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2009JA015053"}],"createdAt":"2010-08-02","modifiedAt":"2023-10-07","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002214348512384","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Characteristics of large‐scale wave structure observed from African and Southeast Asian longitudinal sectors"}]},{"@id":"https://cir.nii.ac.jp/crid/1360002214350623616","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Climatology of successive equatorial plasma bubbles observed by GPS ROTI 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