{"id":"https://openalex.org/W4400908463","doi":"https://doi.org/10.1109/siu61531.2024.10600727","title":"Modelling of Ionospheric Trend during High Solar Activity Years for Turkey and the Balkans","display_name":"Modelling of Ionospheric Trend during High Solar Activity Years for Turkey and the Balkans","publication_year":2024,"publication_date":"2024-05-15","ids":{"openalex":"https://openalex.org/W4400908463","doi":"https://doi.org/10.1109/siu61531.2024.10600727"},"language":"en","primary_location":{"id":"doi:10.1109/siu61531.2024.10600727","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/siu61531.2024.10600727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 32nd Signal Processing and Communications Applications Conference (SIU)","raw_type":"proceedings-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/A5057089473","display_name":"\u015e\u00f6len Kumbay Y\u0131ld\u0131z","orcid":"https://orcid.org/0000-0003-4042-2374"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"\u015e\u00f6len Kumbay Y\u0131ld\u0131z","raw_affiliation_strings":["Hacettepe &#x00DC;niversitesi,Elektrik ve Elektronik M&#x00FC;hendisli&#x011F;i B&#x00F6;l&#x00FC;m&#x00FC;,Ankara,T&#x00FC;rkiye"],"affiliations":[{"raw_affiliation_string":"Hacettepe &#x00DC;niversitesi,Elektrik ve Elektronik M&#x00FC;hendisli&#x011F;i B&#x00F6;l&#x00FC;m&#x00FC;,Ankara,T&#x00FC;rkiye","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5051092681","display_name":"Feza Ar\u0131kan","orcid":"https://orcid.org/0000-0002-6481-1385"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Feza Ar\u0131kan","raw_affiliation_strings":["Hacettepe &#x00DC;niversitesi,Elektrik ve Elektronik M&#x00FC;hendisli&#x011F;i B&#x00F6;l&#x00FC;m&#x00FC;,Ankara,T&#x00FC;rkiye"],"affiliations":[{"raw_affiliation_string":"Hacettepe &#x00DC;niversitesi,Elektrik ve Elektronik M&#x00FC;hendisli&#x011F;i B&#x00F6;l&#x00FC;m&#x00FC;,Ankara,T&#x00FC;rkiye","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5057089473"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12935216,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"4"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9987000226974487,"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"}},"topics":[{"id":"https://openalex.org/T12424","display_name":"Earthquake Detection and Analysis","score":0.9987000226974487,"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/T11786","display_name":"Geomagnetism and Paleomagnetism Studies","score":0.9889000058174133,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9757000207901001,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/ionosphere","display_name":"Ionosphere","score":0.7461444139480591},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4192306399345398},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.35857081413269043},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3523850440979004},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.29204270243644714},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.26145005226135254},{"id":"https://openalex.org/keywords/geophysics","display_name":"Geophysics","score":0.18716838955879211}],"concepts":[{"id":"https://openalex.org/C116403925","wikidata":"https://www.wikidata.org/wiki/Q162219","display_name":"Ionosphere","level":2,"score":0.7461444139480591},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4192306399345398},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.35857081413269043},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3523850440979004},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.29204270243644714},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.26145005226135254},{"id":"https://openalex.org/C8058405","wikidata":"https://www.wikidata.org/wiki/Q46255","display_name":"Geophysics","level":1,"score":0.18716838955879211}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/siu61531.2024.10600727","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/siu61531.2024.10600727","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 32nd Signal Processing and Communications Applications Conference (SIU)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6899999976158142,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2354177919","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W2033398951","https://openalex.org/W2063188081","https://openalex.org/W2070062488","https://openalex.org/W4396701345","https://openalex.org/W1501974031"],"abstract_inverted_index":{"In":[0,172],"the":[1,10,13,27,64,87,108,128,144,155,163,173,182,198],"context":[2],"of":[3,12,30,40,61,71,86,90,127,184],"space-based":[4],"navigation,":[5],"guidance,":[6],"and":[7,48,73,103,140,186,195,204],"positioning":[8],"systems,":[9],"characterization":[11],"ionospheric":[14,55],"trend":[15,60],"model":[16,93,129],"holds":[17],"critical":[18],"importance.":[19],"The":[20,57,124,151,188],"Total":[21],"Electron":[22],"Content":[23],"(TEC),":[24],"defined":[25],"as":[26,94,96],"total":[28],"number":[29],"free":[31],"electrons":[32],"contained":[33],"in":[34,101,138,154,193,202],"a":[35,38,46,68,81],"cylinder":[36],"with":[37,143,148],"cross-section":[39],"1":[41],"m<sup":[42],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[43],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>,":[44],"is":[45],"fundamental":[47],"measurable":[49],"variable":[50],"commonly":[51],"utilized":[52],"for":[53],"modeling":[54],"variability.":[56],"regional":[58],"planar":[59,92],"TEC":[62],"over":[63],"mid-latitude":[65],"region":[66],"encompassing":[67],"significant":[69],"portion":[70],"Turkey":[72],"some":[74],"Balkan":[75],"countries":[76],"has":[77],"been":[78],"modeled":[79],"within":[80],"stochastic":[82],"framework.":[83],"Median":[84],"values":[85,133,177],"expected":[88,125],"value":[89,126],"this":[91],"well":[95],"its":[97],"coefficients":[98],"representing":[99],"inclination":[100,176],"latitude":[102,156],"longitude":[104],"were":[105],"estimated":[106],"using":[107],"Least":[109],"Squares":[110],"(LS)":[111],"approach,":[112],"taking":[113],"into":[114],"account":[115],"four":[116],"different":[117],"years":[118],"characterized":[119],"by":[120],"high":[121],"solar":[122],"activity.":[123],"indicates":[130],"that":[131],"peak":[132],"occur":[134,158],"during":[135,159,168],"midday":[136,170],"hours":[137],"March":[139,194],"October,":[141,196],"coinciding":[142],"equinoxes,":[145],"which":[146],"aligns":[147],"seasonal":[149],"expectations.":[150],"smallest":[152],"variations":[153,165],"coefficient":[157],"winter":[160],"nights,":[161],"whereas":[162],"highest":[164,189],"are":[166,178,191],"observed":[167,192],"summer":[169],"hours.":[171],"east-west":[174],"direction,":[175],"evenly":[179],"distributed,":[180],"supporting":[181],"movement":[183],"sunrise":[185],"sunset.":[187],"inclinations":[190],"while":[197],"least":[199],"variation":[200],"occurs":[201],"June":[203],"July.":[205]},"counts_by_year":[],"updated_date":"2025-12-22T23:10:17.713674","created_date":"2025-10-10T00:00:00"}