{"id":"https://openalex.org/W3025830797","doi":"https://doi.org/10.2514/1.i010819","title":"Estimation of Thermal-Conductivity Coefficients in the Global Ionosphere\u2013Thermosphere Model","display_name":"Estimation of Thermal-Conductivity Coefficients in the Global Ionosphere\u2013Thermosphere Model","publication_year":2020,"publication_date":"2020-05-11","ids":{"openalex":"https://openalex.org/W3025830797","doi":"https://doi.org/10.2514/1.i010819","mag":"3025830797"},"language":"en","primary_location":{"id":"doi:10.2514/1.i010819","is_oa":false,"landing_page_url":"https://doi.org/10.2514/1.i010819","pdf_url":null,"source":{"id":"https://openalex.org/S4210240151","display_name":"Journal of Aerospace Information Systems","issn_l":"2327-3097","issn":["2327-3097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Aerospace Information Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5036467105","display_name":"Ankit Goel","orcid":"https://orcid.org/0000-0002-4146-6275"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ankit Goel","raw_affiliation_strings":["University of Michigan, Ann Arbor, Michigan 48109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, Michigan 48109","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041244628","display_name":"Brandon M. Ponder","orcid":"https://orcid.org/0000-0002-0451-8021"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Brandon Ponder","raw_affiliation_strings":["University of Michigan, Ann Arbor, Michigan 48109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, Michigan 48109","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018758491","display_name":"A. J. Ridley","orcid":"https://orcid.org/0000-0001-6933-8534"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Aaron Ridley","raw_affiliation_strings":["University of Michigan, Ann Arbor, Michigan 48109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, Michigan 48109","institution_ids":["https://openalex.org/I27837315"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009770702","display_name":"Dennis S. Bernstein","orcid":"https://orcid.org/0000-0003-0399-3039"},"institutions":[{"id":"https://openalex.org/I27837315","display_name":"University of Michigan","ror":"https://ror.org/00jmfr291","country_code":"US","type":"education","lineage":["https://openalex.org/I27837315"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dennis S. Bernstein","raw_affiliation_strings":["University of Michigan, Ann Arbor, Michigan 48109"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Michigan, Ann Arbor, Michigan 48109","institution_ids":["https://openalex.org/I27837315"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I27837315"],"apc_list":null,"apc_paid":null,"fwci":0.4662,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.69878711,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"17","issue":"9","first_page":"546","last_page":"553"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10928","display_name":"Probabilistic and Robust Engineering Design","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10928","display_name":"Probabilistic and Robust Engineering Design","score":0.9872000217437744,"subfield":{"id":"https://openalex.org/subfields/1804","display_name":"Statistics, Probability and Uncertainty"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T12011","display_name":"Insurance, Mortality, Demography, Risk Management","score":0.9692999720573425,"subfield":{"id":"https://openalex.org/subfields/3317","display_name":"Demography"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10968","display_name":"Statistical Distribution Estimation and Applications","score":0.9564999938011169,"subfield":{"id":"https://openalex.org/subfields/2613","display_name":"Statistics and Probability"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/thermosphere","display_name":"Thermosphere","score":0.6935872435569763},{"id":"https://openalex.org/keywords/thermal-conductivity","display_name":"Thermal conductivity","score":0.5105506181716919},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4997751712799072},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4742295444011688},{"id":"https://openalex.org/keywords/altitude","display_name":"Altitude (triangle)","score":0.45434778928756714},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.4277435839176178},{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.4254341125488281},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.38951730728149414},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.220348060131073},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2197825014591217},{"id":"https://openalex.org/keywords/thermodynamics","display_name":"Thermodynamics","score":0.1044691801071167},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.0938991904258728}],"concepts":[{"id":"https://openalex.org/C131980223","wikidata":"https://www.wikidata.org/wiki/Q178043","display_name":"Thermosphere","level":3,"score":0.6935872435569763},{"id":"https://openalex.org/C97346530","wikidata":"https://www.wikidata.org/wiki/Q487005","display_name":"Thermal conductivity","level":2,"score":0.5105506181716919},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4997751712799072},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4742295444011688},{"id":"https://openalex.org/C6350597","wikidata":"https://www.wikidata.org/wiki/Q339495","display_name":"Altitude (triangle)","level":2,"score":0.45434778928756714},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.4277435839176178},{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.4254341125488281},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.38951730728149414},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.220348060131073},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2197825014591217},{"id":"https://openalex.org/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.1044691801071167},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0938991904258728},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.2514/1.i010819","is_oa":false,"landing_page_url":"https://doi.org/10.2514/1.i010819","pdf_url":null,"source":{"id":"https://openalex.org/S4210240151","display_name":"Journal of Aerospace Information Systems","issn_l":"2327-3097","issn":["2327-3097"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310315709","host_organization_name":"American Institute of Aeronautics and Astronautics","host_organization_lineage":["https://openalex.org/P4310315709"],"host_organization_lineage_names":["American Institute of Aeronautics and Astronautics"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Aerospace Information Systems","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":21,"referenced_works":["https://openalex.org/W1496451467","https://openalex.org/W1981364618","https://openalex.org/W2003945397","https://openalex.org/W2017285059","https://openalex.org/W2058899256","https://openalex.org/W2075860462","https://openalex.org/W2090356220","https://openalex.org/W2092553405","https://openalex.org/W2103274679","https://openalex.org/W2115193912","https://openalex.org/W2121813526","https://openalex.org/W2129168635","https://openalex.org/W2147428031","https://openalex.org/W2158987262","https://openalex.org/W2164842282","https://openalex.org/W2762976726","https://openalex.org/W2790374560","https://openalex.org/W2920539555","https://openalex.org/W2979207987","https://openalex.org/W4231204432","https://openalex.org/W4233346531"],"related_works":["https://openalex.org/W1985215167","https://openalex.org/W2051672287","https://openalex.org/W2070385319","https://openalex.org/W2031570768","https://openalex.org/W2949816948","https://openalex.org/W3005278924","https://openalex.org/W1976440193","https://openalex.org/W4292869181","https://openalex.org/W1821327502","https://openalex.org/W2061364051"],"abstract_inverted_index":{"This":[0],"paper":[1,102],"uses":[2],"retrospective":[3],"cost":[4],"parameter":[5,39,96,113],"estimation":[6,114],"(RCPE)":[7],"to":[8,84],"estimate":[9],"parameters":[10],"in":[11,34,115],"the":[12,31,35,51,86,92,95,101,108],"global":[13,52,54],"ionosphere\u2013thermosphere":[14],"model":[15],"(GITM).":[16],"Using":[17],"GITM":[18],"as":[19],"an":[20,105],"executable":[21],"simulation":[22],"code,":[23],"RCPE":[24,64,111],"estimates":[25,40],"two":[26],"thermal-conductivity":[27,36],"coefficients":[28],"along":[29],"with":[30],"temperature":[32],"exponent":[33],"model.":[37],"These":[38],"are":[41],"obtained":[42],"by":[43],"using":[44,71],"various":[45],"combinations":[46],"of":[47,50,80,88,94,100,107,110],"simulated":[48],"measurements":[49],"minimum,":[53],"maximum,":[55],"and":[56,75],"mean":[57],"neutral":[58],"density":[59],"at":[60],"a":[61],"fixed":[62],"altitude.":[63],"is":[65,83,103],"implemented":[66],"within":[67],"recursive":[68],"least":[69],"squares":[70],"both":[72],"constant-rate":[73],"forgetting":[74,90],"variable-rate":[76,89],"forgetting.":[77],"The":[78,98],"goal":[79],"this":[81],"comparison":[82],"assess":[85],"effect":[87],"on":[91],"convergence":[93],"estimates.":[97],"contribution":[99],"thus":[104],"investigation":[106],"effectiveness":[109],"for":[112],"GITM.":[116]},"counts_by_year":[{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}