{"id":"https://openalex.org/W3132219616","doi":"https://doi.org/10.3390/rs13040638","title":"Investigation of Ionospheric Response to June 2009 Sarychev Peak Volcano Eruption","display_name":"Investigation of Ionospheric Response to June 2009 Sarychev Peak Volcano Eruption","publication_year":2021,"publication_date":"2021-02-10","ids":{"openalex":"https://openalex.org/W3132219616","doi":"https://doi.org/10.3390/rs13040638","mag":"3132219616"},"language":"en","primary_location":{"id":"doi:10.3390/rs13040638","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040638","pdf_url":"https://www.mdpi.com/2072-4292/13/4/638/pdf?version=1613792272","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/13/4/638/pdf?version=1613792272","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068854699","display_name":"\u041d. \u0412. \u0428\u0435\u0441\u0442\u0430\u043a\u043e\u0432","orcid":"https://orcid.org/0000-0003-3901-9684"},"institutions":[{"id":"https://openalex.org/I204947315","display_name":"Far Eastern Federal University","ror":"https://ror.org/0412y9z21","country_code":"RU","type":"education","lineage":["https://openalex.org/I204947315"]},{"id":"https://openalex.org/I4210097402","display_name":"Institute of Chemistry, Far Eastern Branch of the Russian Academy of Sciences","ror":"https://ror.org/00wp2bj27","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I1313323035","https://openalex.org/I4210097402","https://openalex.org/I4210145551","https://openalex.org/I4210148470"]}],"countries":["RU"],"is_corresponding":true,"raw_author_name":"Nikolay Shestakov","raw_affiliation_strings":["Department of Mining and Oil-Gas, Polytechnical Institute, Far Eastern Federal University, 690922 Vladivostok, Russia","Institute for Applied Mathematics, Far Eastern Branch of Russian Academy of Sciences, 690091 Vladivostok, Russia"],"affiliations":[{"raw_affiliation_string":"Department of Mining and Oil-Gas, Polytechnical Institute, Far Eastern Federal University, 690922 Vladivostok, Russia","institution_ids":["https://openalex.org/I204947315"]},{"raw_affiliation_string":"Institute for Applied Mathematics, Far Eastern Branch of Russian Academy of Sciences, 690091 Vladivostok, Russia","institution_ids":["https://openalex.org/I4210097402"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007300717","display_name":"Alexander Orlyakovskiy","orcid":null},"institutions":[{"id":"https://openalex.org/I204947315","display_name":"Far Eastern Federal University","ror":"https://ror.org/0412y9z21","country_code":"RU","type":"education","lineage":["https://openalex.org/I204947315"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Alexander Orlyakovskiy","raw_affiliation_strings":["Department of Mining and Oil-Gas, Polytechnical Institute, Far Eastern Federal University, 690922 Vladivostok, Russia"],"affiliations":[{"raw_affiliation_string":"Department of Mining and Oil-Gas, Polytechnical Institute, Far Eastern Federal University, 690922 Vladivostok, Russia","institution_ids":["https://openalex.org/I204947315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034174804","display_name":"\u041d. \u041f. \u041f\u0435\u0440\u0435\u0432\u0430\u043b\u043e\u0432\u0430","orcid":"https://orcid.org/0000-0001-5695-4688"},"institutions":[{"id":"https://openalex.org/I4210098718","display_name":"Institute of Solar-Terrestrial Physics","ror":"https://ror.org/012q2tk82","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I4210098718","https://openalex.org/I4210163714"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Natalia Perevalova","raw_affiliation_strings":["Institute of Solar-Terrestrial Physics, Siberian Branch of Russian Academy of Sciences, 664033 Irkutsk, Russia"],"affiliations":[{"raw_affiliation_string":"Institute of Solar-Terrestrial Physics, Siberian Branch of Russian Academy of Sciences, 664033 Irkutsk, Russia","institution_ids":["https://openalex.org/I4210098718"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091384142","display_name":"\u041d. \u041d. \u0422\u0438\u0442\u043a\u043e\u0432","orcid":"https://orcid.org/0000-0003-3518-9301"},"institutions":[{"id":"https://openalex.org/I2799922383","display_name":"Geophysical Survey","ror":"https://ror.org/05sbpak56","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I2799922383","https://openalex.org/I4210163714"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Nikolay Titkov","raw_affiliation_strings":["Kamchatka Branch of Geophysical Survey of Russian Academy of Sciences, 683023 Petropavlovsk-Kamchatsky, Russia"],"affiliations":[{"raw_affiliation_string":"Kamchatka Branch of Geophysical Survey of Russian Academy of Sciences, 683023 Petropavlovsk-Kamchatsky, Russia","institution_ids":["https://openalex.org/I2799922383"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5073797187","display_name":"Danila Chebrov","orcid":"https://orcid.org/0000-0002-4019-4204"},"institutions":[{"id":"https://openalex.org/I2799922383","display_name":"Geophysical Survey","ror":"https://ror.org/05sbpak56","country_code":"RU","type":"facility","lineage":["https://openalex.org/I1313323035","https://openalex.org/I2799922383","https://openalex.org/I4210163714"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"Danila Chebrov","raw_affiliation_strings":["Kamchatka Branch of Geophysical Survey of Russian Academy of Sciences, 683023 Petropavlovsk-Kamchatsky, Russia"],"affiliations":[{"raw_affiliation_string":"Kamchatka Branch of Geophysical Survey of Russian Academy of Sciences, 683023 Petropavlovsk-Kamchatsky, Russia","institution_ids":["https://openalex.org/I2799922383"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033560487","display_name":"Mako Ohzono","orcid":"https://orcid.org/0000-0001-7131-0493"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]},{"id":"https://openalex.org/I74801974","display_name":"The University of Tokyo","ror":"https://ror.org/057zh3y96","country_code":"JP","type":"education","lineage":["https://openalex.org/I74801974"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Mako Ohzono","raw_affiliation_strings":["Earthquake Research Institute, University of Tokyo, Tokyo 1130032, Japan","Institute of Seismology and Volcanology, Hokkaido University, Sapporo 0600810, Japan"],"affiliations":[{"raw_affiliation_string":"Earthquake Research Institute, University of Tokyo, Tokyo 1130032, Japan","institution_ids":["https://openalex.org/I74801974"]},{"raw_affiliation_string":"Institute of Seismology and Volcanology, Hokkaido University, Sapporo 0600810, Japan","institution_ids":["https://openalex.org/I205349734"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103247224","display_name":"Hiroaki Takahashi","orcid":"https://orcid.org/0000-0002-1118-3813"},"institutions":[{"id":"https://openalex.org/I205349734","display_name":"Hokkaido University","ror":"https://ror.org/02e16g702","country_code":"JP","type":"education","lineage":["https://openalex.org/I205349734"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroaki Takahashi","raw_affiliation_strings":["Institute of Seismology and Volcanology, Hokkaido University, Sapporo 0600810, Japan"],"affiliations":[{"raw_affiliation_string":"Institute of Seismology and Volcanology, Hokkaido University, Sapporo 0600810, Japan","institution_ids":["https://openalex.org/I205349734"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5068854699"],"corresponding_institution_ids":["https://openalex.org/I204947315","https://openalex.org/I4210097402"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.2011,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.91129896,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"13","issue":"4","first_page":"638","last_page":"638"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/3103","display_name":"Astronomy and Astrophysics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9980999827384949,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.8595641851425171},{"id":"https://openalex.org/keywords/tec","display_name":"TEC","score":0.7770822048187256},{"id":"https://openalex.org/keywords/volcano","display_name":"Volcano","score":0.7089067697525024},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.7073706984519958},{"id":"https://openalex.org/keywords/total-electron-content","display_name":"Total electron content","score":0.5423943996429443},{"id":"https://openalex.org/keywords/seismology","display_name":"Seismology","score":0.3335725665092468},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.3235616683959961},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.3118777871131897}],"concepts":[{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.8595641851425171},{"id":"https://openalex.org/C176379880","wikidata":"https://www.wikidata.org/wiki/Q18031939","display_name":"TEC","level":3,"score":0.7770822048187256},{"id":"https://openalex.org/C120806208","wikidata":"https://www.wikidata.org/wiki/Q8072","display_name":"Volcano","level":2,"score":0.7089067697525024},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.7073706984519958},{"id":"https://openalex.org/C165391973","wikidata":"https://www.wikidata.org/wiki/Q844304","display_name":"Total electron content","level":4,"score":0.5423943996429443},{"id":"https://openalex.org/C165205528","wikidata":"https://www.wikidata.org/wiki/Q83371","display_name":"Seismology","level":1,"score":0.3335725665092468},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.3235616683959961},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.3118777871131897}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/rs13040638","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040638","pdf_url":"https://www.mdpi.com/2072-4292/13/4/638/pdf?version=1613792272","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:5924d63f652e484f870fdebc48f0b1fe","is_oa":true,"landing_page_url":"https://doaj.org/article/5924d63f652e484f870fdebc48f0b1fe","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 4, p 638 (2021)","raw_type":"article"},{"id":"pmh:oai:eprints.lib.hokudai.ac.jp:2115/81040","is_oa":true,"landing_page_url":"http://hdl.handle.net/2115/81040","pdf_url":null,"source":{"id":"https://openalex.org/S4306400549","display_name":"Hokkaido University Collection of Scholarly and Academic Papers (Hokkaido University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205349734","host_organization_name":"Hokkaido University","host_organization_lineage":["https://openalex.org/I205349734"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"article"},{"id":"pmh:oai:irdb.nii.ac.jp:01364:0007193753","is_oa":true,"landing_page_url":"https://hdl.handle.net/2115/81040","pdf_url":null,"source":{"id":"https://openalex.org/S7407056385","display_name":"Institutional Repositories DataBase (IRDB)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I184597095","host_organization_name":"National Institute of Informatics","host_organization_lineage":["https://openalex.org/I184597095"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing","raw_type":"journal article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/4/638/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13040638","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing; Volume 13; Issue 4; Pages: 638","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13040638","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13040638","pdf_url":"https://www.mdpi.com/2072-4292/13/4/638/pdf?version=1613792272","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.6499999761581421}],"awards":[{"id":"https://openalex.org/G220199258","display_name":"Regional crustal deformation in east Asia inferred from GNSS data","funder_award_id":"19H01984","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G3592314573","display_name":"\u6d3b\u6027\u30a2\u30df\u30f3\u7523\u751f\u816b\u760d\u306e\u8a3a\u65ad\u306a\u3089\u3073\u306b\u6cbb\u7642\u306b\u95a2\u3059\u308b\u57fa\u672c\u7684\u691c\u8a0e","funder_award_id":"257204","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G4636223006","display_name":null,"funder_award_id":"JSPS KAK","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G4743918061","display_name":null,"funder_award_id":"25257204","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G5855751369","display_name":null,"funder_award_id":"20-05-00509a","funder_id":"https://openalex.org/F4320321079","funder_display_name":"Russian Foundation for Basic Research"},{"id":"https://openalex.org/G6409503705","display_name":"Explore the slow earthquake in Kamchatka subduction zone","funder_award_id":"20KK0073","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G7752643416","display_name":null,"funder_award_id":"Japan","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320321079","display_name":"Russian Foundation for Basic Research","ror":"https://ror.org/02mh1ke95"},{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3132219616.pdf","grobid_xml":"https://content.openalex.org/works/W3132219616.grobid-xml"},"referenced_works_count":31,"referenced_works":["https://openalex.org/W1482946464","https://openalex.org/W1509106618","https://openalex.org/W1517117637","https://openalex.org/W1533104395","https://openalex.org/W1856186352","https://openalex.org/W1932269109","https://openalex.org/W1991430796","https://openalex.org/W2000021972","https://openalex.org/W2007855793","https://openalex.org/W2014604970","https://openalex.org/W2026466067","https://openalex.org/W2041022031","https://openalex.org/W2049559101","https://openalex.org/W2053341973","https://openalex.org/W2058160370","https://openalex.org/W2066536135","https://openalex.org/W2068931301","https://openalex.org/W2074337084","https://openalex.org/W2074523921","https://openalex.org/W2102088237","https://openalex.org/W2133905051","https://openalex.org/W2146163074","https://openalex.org/W2192702158","https://openalex.org/W2528407247","https://openalex.org/W2991768750","https://openalex.org/W3017122773","https://openalex.org/W3083506573","https://openalex.org/W6663806367","https://openalex.org/W6665080254","https://openalex.org/W6669230849","https://openalex.org/W6679791829"],"related_works":["https://openalex.org/W4391986911","https://openalex.org/W3012062545","https://openalex.org/W4390484789","https://openalex.org/W2280162962","https://openalex.org/W2170328996","https://openalex.org/W2281447254","https://openalex.org/W1989070650","https://openalex.org/W2550010074","https://openalex.org/W2770061914","https://openalex.org/W1992137669"],"abstract_inverted_index":{"Global":[0],"Navigation":[1],"Satellite":[2],"Systems":[3],"have":[4],"been":[5],"extensively":[6],"used":[7],"to":[8,13,27,44,119,142,145,162],"investigate":[9],"the":[10,20,41,45,85,114,120,123,136,159],"ionosphere":[11],"response":[12,43,161],"various":[14],"natural":[15],"and":[16,34,60,73,79,97,125,175],"man-made":[17],"phenomena":[18],"for":[19,84,153],"last":[21],"three":[22,86],"decades.":[23],"However,":[24],"ionospheric":[25,42,160],"reaction":[26],"volcano":[28,54,164],"eruptions":[29],"is":[30,151,166],"still":[31],"insufficiently":[32],"studied":[33],"understood.":[35],"In":[36],"this":[37],"work":[38],"we":[39],"analyzed":[40],"11\u201316":[46],"June":[47,101],"2009":[48],"VEI":[49],"class":[50],"4":[51],"Sarychev":[52],"Peak":[53],"eruption":[55,165],"by":[56,169],"using":[57],"surrounding":[58],"Russian":[59],"Japanese":[61],"GPS":[62],"networks.":[63],"Prominent":[64],"covolcanictotal":[65],"electron":[66],"content":[67],"(TEC)ionospheric":[68],"disturbances":[69],"(CVIDs)":[70],"with":[71],"amplitudes":[72],"periods":[74],"ranged":[75],"between":[76,172],"0.03\u20130.15":[77],"TECU":[78],"2.5\u20134.5":[80],"min":[81],"were":[82,188],"discovered":[83],"eruptive":[87],"events":[88],"occurred":[89],"at":[90,95],"18:51":[91],"UT,":[92,99],"14":[93],"June;":[94],"01:15":[96],"09:18":[98],"15":[100],"2009.":[102],"The":[103,133,148],"estimates":[104],"of":[105,135,181],"apparent":[106],"CVIDs":[107,154],"velocities":[108],"vary":[109],"within":[110],"700\u20131000":[111],"m/s":[112,127],"in":[113,128],"far-field":[115],"zone":[116],"(300\u2013900":[117],"km":[118],"southwest":[121],"from":[122],"volcano)":[124],"1300\u20131800":[126],"close":[129],"proximity":[130],"toSarychev":[131],"Peak.":[132],"characteristics":[134],"observed":[137],"TEC":[138],"variations":[139],"allow":[140],"us":[141],"attribute":[143],"them":[144],"acoustic":[146],"mode.":[147],"south-southwestward":[149],"direction":[150],"preferred":[152],"propagation.":[155],"We":[156],"concluded":[157],"that":[158],"a":[163,170],"mainly":[167],"determined":[168],"ratio":[171],"explosion":[173],"strength":[174],"background":[176],"ionization":[177],"level.":[178],"Some":[179],"evidence":[180],"secondary":[182],"(F2-layer)":[183],"CVIDs\u2019":[184],"source":[185],"eccentric":[186],"location":[187],"obtained.":[189]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":3}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2021-03-01T00:00:00"}