{"@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/1360011144575754368.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/2001gl013685"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2001GL013685"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2001GL013685"}}],"dc:title":[{"@value":"First scalar magnetic anomaly map from CHAMP satellite data indicates weak lithospheric field"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Satellite magnetic anomaly maps derived by different techniques from Magsat/POGO data vary by more than a factor of 2 in the deduced strength of the lithospheric magnetic field. Here, we present a first anomaly map from new CHAMP scalar magnetic field data. After subtracting a recent Ørsted main and external field model, we remove remaining unmodeled large‐scale external contributions from 120° track segments by subtracting a best‐fitting uniform field. In order to preserve N/S trending features, the data are not filtered along‐track. Direct integration of the spherically gridded data yields the final degree 14–65 spherical harmonic expansion of the total intensity anomaly at the mean satellite altitude of 438 km. Apart from enhanced long wavelength features and a smoother general appearance, our initial map is strikingly similar to one of the lower strength Magsat/POGO maps.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380011144575754369","@type":"Researcher","foaf:name":[{"@value":"S. Maus"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011144575754371","@type":"Researcher","foaf:name":[{"@value":"M. Rother"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011144575754370","@type":"Researcher","foaf:name":[{"@value":"R. Holme"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011144575754372","@type":"Researcher","foaf:name":[{"@value":"H. Lühr"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011144575754373","@type":"Researcher","foaf:name":[{"@value":"N. Olsen"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]},{"@id":"https://cir.nii.ac.jp/crid/1380011144575754368","@type":"Researcher","foaf:name":[{"@value":"V. Haak"}],"jpcoar:affiliationName":[{"@value":"GeoForschungszentrum  Potsdam Germany"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00948276"},{"@type":"EISSN","@value":"19448007"}],"prism:publicationName":[{"@value":"Geophysical Research Letters"}],"dc:publisher":[{"@value":"American Geophysical Union (AGU)"}],"prism:publicationDate":"2002-07","prism:volume":"29","prism:number":"14","prism:startingPage":"45-1"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2F2001GL013685"},{"@id":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/2001GL013685"}],"createdAt":"2002-10-27","modifiedAt":"2023-10-31","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1390001206511836160","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Application of satellite magnetic observations for estimating near-surface magnetic anomalies"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206513503488","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Simulation of the high-degree lithospheric field recovery for the Swarm constellation of satellites"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206513505408","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The Swarm End-to-End mission simulator study: A demonstration of separating the various contributions to Earth's magnetic field using synthetic data"},{"@language":"ja-Kana","@value":"Swarm End to End mission simulator study A demonstration of separating the various contributions to Earth s magnetic field using synthetic data"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681478540416","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The Radio Occultation Experiment aboard CHAMP: Operational Data Analysis and Validation of Vertical Atmospheric Profiles"},{"@language":"ja-Kana","@value":"Radio Occultation Experiment aboard CHAMP Operational Data Analysis and Validation of Vertical Atmospheric Profiles"},{"@value":"The Radio Occultation Experiment aboard CHAMP : Operational Data Analysis and Validation of Vertical Atmospheric Profiles (2.Space-Borne GPS Meteorology and Related Techniques)"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681488338048","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Magnetic field modelling from scalar-only data: Resolving the Backus effect with the equatorial electrojet"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681488598272","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Equatorial electrojet as a diagnostic tool of geomagnetic field models"}]},{"@id":"https://cir.nii.ac.jp/crid/2050307417163369728","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Global and frequent appearance of small spatial scale field-aligned currents possibly driven by the lower atmospheric phenomena as observed by the CHAMP satellite in middle and low latitudes"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1029/2001gl013685"},{"@type":"CROSSREF","@value":"10.1186/bf03351993_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.1186/bf03351905_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.1186/bf03351936_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.1186/bf03351793_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.1186/bf03351934_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.1186/1880-5981-66-40_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"},{"@type":"CROSSREF","@value":"10.2151/jmsj.2004.381_references_DOI_2peR6GAQz3n0hAAlXUml8dpDePr"}]}