{"@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/1390282681486560896.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.5636/jgg.40.635"}},{"identifier":{"@type":"BIBCODE","@value":"1988JGG....40..635S"}},{"identifier":{"@type":"NAID","@value":"130003558708"}}],"dc:title":[{"@language":"en","@value":"The effects of non-uniform ionosphere on the equatorial Pc pulsations."}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Equatorial Pc pulsations, having periods from 30 to 100sec and amplitude up to several nT, were studied by making use of the fluxgate magnetometer data obtained at Huancayo (0.8°N, 335.6°E in geomagnetic coordinates), Peru during the period from December 5, 1985 to January 5, 1986. Diurnal change of polarization parameters (orientation angle of the major axis and ellipticity) in the <i>H-D</i> plane were investigated. The following results were obtained.<br>1) Pulsations are linearly polarized. The ellipticities lie between +0.3 and -0.3.<br>2) orientation angle of the principal axis of variation vectors shows a diurnal variation. It deviates westward from the north for the local time 6-7h. The deviation angle of the major axis from the north occasionally amounts to 60 degrees. A small eastward deviation is also seen in the local time 15-17h. Around 17h a westward turning tendency is noted. During the other time of day, it remains in the north-south direction.<br>It is suggested that the changes in the <i>D</i> component which bring about the deviation of the orientation angle from the north could locally be produced through an east-west non-uniformity of the ionospheric conductivity distribution."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1030003658311443202","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"80108638"},{"@type":"NRID","@value":"1000080108638"},{"@type":"NRID","@value":"9000002378851"},{"@type":"NRID","@value":"9000008330606"},{"@type":"NRID","@value":"9000347421602"},{"@type":"NRID","@value":"9000253255988"},{"@type":"NRID","@value":"9000002196003"},{"@type":"NRID","@value":"9000020003331"},{"@type":"NRID","@value":"9000002561455"},{"@type":"NRID","@value":"9000350678946"},{"@type":"NRID","@value":"9000014612718"},{"@type":"NRID","@value":"9000253256016"}],"foaf:name":[{"@language":"en","@value":"SAKA Ousuke"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Physics, Kyushu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681486560896","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000253255990"}],"foaf:name":[{"@language":"en","@value":"SHIMUIZUMI Masashi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Physics, Kyushu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658311443329","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40037239"},{"@type":"NRID","@value":"1000040037239"},{"@type":"NRID","@value":"9000255727271"},{"@type":"NRID","@value":"9000003450169"},{"@type":"NRID","@value":"9000347421606"},{"@type":"NRID","@value":"9000347421601"},{"@type":"NRID","@value":"9000409293369"},{"@type":"NRID","@value":"9000253573615"},{"@type":"NRID","@value":"9000253255989"},{"@type":"NRID","@value":"9000253254898"},{"@type":"NRID","@value":"9000018288041"},{"@type":"NRID","@value":"9000014605013"},{"@type":"NRID","@value":"9000253253663"},{"@type":"NRID","@value":"9000347421696"},{"@type":"NRID","@value":"9000347421698"},{"@type":"NRID","@value":"9000253490795"},{"@type":"NRID","@value":"9000004922210"},{"@type":"NRID","@value":"9000409293404"},{"@type":"NRID","@value":"9000253490768"},{"@type":"NRID","@value":"9000002378816"},{"@type":"NRID","@value":"9000409293374"},{"@type":"NRID","@value":"9000253256068"},{"@type":"NRID","@value":"9000017903708"},{"@type":"NRID","@value":"9000017905101"},{"@type":"NRID","@value":"9000018707859"},{"@type":"NRID","@value":"9000313182728"},{"@type":"NRID","@value":"9000252829885"},{"@type":"NRID","@value":"9000004921895"},{"@type":"NRID","@value":"9000325824387"},{"@type":"NRID","@value":"9000007273632"},{"@type":"NRID","@value":"9000278466908"},{"@type":"NRID","@value":"9000270173364"},{"@type":"NRID","@value":"9000256110640"},{"@type":"NRID","@value":"9000347421336"},{"@type":"NRID","@value":"9000347421334"},{"@type":"NRID","@value":"9000253258890"},{"@type":"NRID","@value":"9000009804149"},{"@type":"NRID","@value":"9000350670998"},{"@type":"NRID","@value":"9000350671000"},{"@type":"NRID","@value":"9000350671958"},{"@type":"NRID","@value":"9000350671957"},{"@type":"NRID","@value":"9000022263521"},{"@type":"NRID","@value":"9000350671900"},{"@type":"NRID","@value":"9000350671902"},{"@type":"NRID","@value":"9000253256014"},{"@type":"NRID","@value":"9000009189677"}],"foaf:name":[{"@language":"en","@value":"KITAMURA Tai-Ichi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Physics, Kyushu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801209009664","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50025433"},{"@type":"NRID","@value":"1000050025433"},{"@type":"NRID","@value":"9000253255991"},{"@type":"NRID","@value":"9000253257821"},{"@type":"NRID","@value":"9000253258739"},{"@type":"NRID","@value":"9000000073420"},{"@type":"NRID","@value":"9000239868165"},{"@type":"NRID","@value":"9000254262375"},{"@type":"NRID","@value":"9000338691012"},{"@type":"NRID","@value":"9000327104774"},{"@type":"NRID","@value":"9000253253752"},{"@type":"NRID","@value":"9000239868187"},{"@type":"NRID","@value":"9000239868268"},{"@type":"NRID","@value":"9000253256037"},{"@type":"NRID","@value":"9000338691171"},{"@type":"NRID","@value":"9000253256020"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/tohru.araki"}],"foaf:name":[{"@language":"en","@value":"ARAKI Tohru"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Data Analysis Center for Geomagnetism and Space Magnetism, Kyoto University"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658319032325","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"40011457"},{"@type":"NRID","@value":"1000040011457"},{"@type":"NRID","@value":"9000253255992"},{"@type":"NRID","@value":"9000253256099"},{"@type":"NRID","@value":"9000253255559"},{"@type":"NRID","@value":"9000253254796"},{"@type":"NRID","@value":"9000350671007"},{"@type":"NRID","@value":"9000350671009"},{"@type":"NRID","@value":"9000253256067"},{"@type":"NRID","@value":"9000002203051"},{"@type":"NRID","@value":"9000252826464"},{"@type":"NRID","@value":"9000253255998"},{"@type":"NRID","@value":"9000253256145"},{"@type":"NRID","@value":"9000253255975"},{"@type":"NRID","@value":"9000253255831"},{"@type":"NRID","@value":"9000347420776"},{"@type":"NRID","@value":"9000253255707"},{"@type":"NRID","@value":"9000253255841"},{"@type":"NRID","@value":"9000253256142"},{"@type":"NRID","@value":"9000253256034"},{"@type":"NRID","@value":"9000253255509"},{"@type":"NRID","@value":"9000253255978"},{"@type":"NRID","@value":"9000253255979"},{"@type":"NRID","@value":"9000253256019"},{"@type":"NRID","@value":"9000253256205"}],"foaf:name":[{"@language":"en","@value":"OGUTI Takasi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geophysics Research Laboratory, University of Tokyo"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681486560902","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000253255993"}],"foaf:name":[{"@language":"en","@value":"VELIZ Oscar"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Observatorio de Huancayo"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681486560897","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000253255994"}],"foaf:name":[{"@language":"en","@value":"ISHITSUKA Mutumi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Observatorio de Huancayo"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00221392"},{"@type":"EISSN","@value":"21855765"}],"prism:publicationName":[{"@language":"en","@value":"Journal of geomagnetism and geoelectricity"},{"@language":"ja","@value":"Ｊｏｕｒｎａｌ　ｏｆ　ｇｅｏｍａｇｎｅｔｉｓｍ　ａｎｄ　ｇｅｏｅｌｅｃｔｒｉｃｉｔｙ"},{"@language":"en","@value":"J. geomagn. geoelec"},{"@language":"ja","@value":"Ｊｏｕｒｎａｌ　ｏｆ　ｇｅｏｍａｇｎｅｔｉｓｍ　ａｎｄ　ｇｅｏｅｌｅｃｔｒｉｃｉｔｙ"}],"dc:publisher":[{"@language":"en","@value":"Society of Geomagnetism and Earth, Planetary and Space Sciences"},{"@language":"ja","@value":"地球電磁気・地球惑星圏学会"}],"prism:publicationDate":"1988","prism:volume":"40","prism:number":"5","prism:startingPage":"635","prism:endingPage":"643"},"reviewed":"false","availableAt":"1988","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1390282681486936448","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Equatorial enhancement of Pc5-6 magnetic storm time geomagnetic pulsations"}]},{"@id":"https://cir.nii.ac.jp/crid/2051714791863302528","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Solar terminator effects on middle- to low-latitude Pi2 pulsations"}]}],"dataSourceIdentifier":[{"@type":"JALC","@value":"oai:japanlinkcenter.org:0022205949"},{"@type":"CROSSREF","@value":"10.5636/jgg.40.635"},{"@type":"CIA","@value":"130003558708"},{"@type":"OPENAIRE","@value":"doi_dedup___::6f10df2c973286b7089e752b38e0d6bd"},{"@type":"CROSSREF","@value":"10.1186/bf03351566_references_DOI_MyU2UT7wNNDePvkiskar0USdr6l"},{"@type":"CROSSREF","@value":"10.1186/s40623-016-0514-1_references_DOI_MyU2UT7wNNDePvkiskar0USdr6l"}]}