{"id":"https://openalex.org/W4285089072","doi":"https://doi.org/10.3390/s22145209","title":"Assessment of ZTD Derived from COSMIC Occultation Data with ECWMF, Radiosondes, and GNSS","display_name":"Assessment of ZTD Derived from COSMIC Occultation Data with ECWMF, Radiosondes, and GNSS","publication_year":2022,"publication_date":"2022-07-12","ids":{"openalex":"https://openalex.org/W4285089072","doi":"https://doi.org/10.3390/s22145209","pmid":"https://pubmed.ncbi.nlm.nih.gov/35890887"},"language":"en","primary_location":{"id":"doi:10.3390/s22145209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22145209","pdf_url":"https://www.mdpi.com/1424-8220/22/14/5209/pdf?version=1657619465","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/22/14/5209/pdf?version=1657619465","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5015647743","display_name":"Naifeng Fu","orcid":"https://orcid.org/0000-0002-7989-7521"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Naifeng Fu","raw_affiliation_strings":["School of Marine Science and Technology, Tianjin University, Tianjin 300072, China"],"raw_orcid":"https://orcid.org/0000-0002-7989-7521","affiliations":[{"raw_affiliation_string":"School of Marine Science and Technology, Tianjin University, Tianjin 300072, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065876284","display_name":"Mingbo Jiang","orcid":"https://orcid.org/0009-0006-1828-9756"},"institutions":[{"id":"https://openalex.org/I4210137516","display_name":"Beijing Meteorological Bureau","ror":"https://ror.org/03wd9vk87","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210137516"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingbo Jiang","raw_affiliation_strings":["Beijing Institute of Applied Meteorology, Beijing 100029, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Beijing Institute of Applied Meteorology, Beijing 100029, China","institution_ids":["https://openalex.org/I4210137516"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101457118","display_name":"Fenghui Li","orcid":"https://orcid.org/0000-0001-6743-7686"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fenghui Li","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027503275","display_name":"Peng Guo","orcid":"https://orcid.org/0000-0003-2373-7139"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peng Guo","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021778113","display_name":"Chunping Hou","orcid":"https://orcid.org/0000-0001-8772-0198"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chunping Hou","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5076580550","display_name":"Mengjie Wu","orcid":"https://orcid.org/0000-0003-2568-6830"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengjie Wu","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038775944","display_name":"Jianming Wu","orcid":"https://orcid.org/0000-0001-9265-9555"},"institutions":[{"id":"https://openalex.org/I2799714274","display_name":"Shanghai Astronomical Observatory","ror":"https://ror.org/003n8re58","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I2799714274"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianming Wu","raw_affiliation_strings":["Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai 200030, China","institution_ids":["https://openalex.org/I2799714274"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100424154","display_name":"Zhipeng Wang","orcid":"https://orcid.org/0000-0002-1145-234X"},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhipeng Wang","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China"],"raw_orcid":"https://orcid.org/0000-0002-1145-234X","affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China","institution_ids":["https://openalex.org/I162868743"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003157972","display_name":"Liang Kan","orcid":null},"institutions":[{"id":"https://openalex.org/I162868743","display_name":"Tianjin University","ror":"https://ror.org/012tb2g32","country_code":"CN","type":"education","lineage":["https://openalex.org/I162868743"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liang Kan","raw_affiliation_strings":["School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, Tianjin University, Tianjin 300072, China","institution_ids":["https://openalex.org/I162868743"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5101457118"],"corresponding_institution_ids":["https://openalex.org/I162868743"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":1.909,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.90456095,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":"22","issue":"14","first_page":"5209","last_page":"5209"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10655","display_name":"GNSS positioning and interference","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10159","display_name":"Ionosphere and magnetosphere dynamics","score":0.9997000098228455,"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/T11405","display_name":"Geophysics and Gravity Measurements","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/radio-occultation","display_name":"Radio occultation","score":0.9193540215492249},{"id":"https://openalex.org/keywords/radiosonde","display_name":"Radiosonde","score":0.8741885423660278},{"id":"https://openalex.org/keywords/zenith","display_name":"Zenith","score":0.7311714291572571},{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.6542038321495056},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6047124266624451},{"id":"https://openalex.org/keywords/occultation","display_name":"Occultation","score":0.5593286156654358},{"id":"https://openalex.org/keywords/troposphere","display_name":"Troposphere","score":0.55259108543396},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.5445833206176758},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5392754077911377},{"id":"https://openalex.org/keywords/geodesy","display_name":"Geodesy","score":0.5225900411605835},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.5151528120040894},{"id":"https://openalex.org/keywords/geodetic-datum","display_name":"Geodetic datum","score":0.45965638756752014},{"id":"https://openalex.org/keywords/glonass","display_name":"GLONASS","score":0.43980419635772705},{"id":"https://openalex.org/keywords/cosmic-cancer-database","display_name":"COSMIC cancer database","score":0.43478140234947205},{"id":"https://openalex.org/keywords/atmospheric-sounding","display_name":"Atmospheric sounding","score":0.4262791574001312},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23339277505874634},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.20773059129714966},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.18281328678131104},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.15346786379814148},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.10276871919631958}],"concepts":[{"id":"https://openalex.org/C2777034083","wikidata":"https://www.wikidata.org/wiki/Q1560557","display_name":"Radio occultation","level":3,"score":0.9193540215492249},{"id":"https://openalex.org/C11999413","wikidata":"https://www.wikidata.org/wiki/Q852817","display_name":"Radiosonde","level":2,"score":0.8741885423660278},{"id":"https://openalex.org/C53970728","wikidata":"https://www.wikidata.org/wiki/Q82806","display_name":"Zenith","level":2,"score":0.7311714291572571},{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.6542038321495056},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6047124266624451},{"id":"https://openalex.org/C131040042","wikidata":"https://www.wikidata.org/wiki/Q202746","display_name":"Occultation","level":2,"score":0.5593286156654358},{"id":"https://openalex.org/C9075549","wikidata":"https://www.wikidata.org/wiki/Q40631","display_name":"Troposphere","level":2,"score":0.55259108543396},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.5445833206176758},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5392754077911377},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.5225900411605835},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.5151528120040894},{"id":"https://openalex.org/C58754882","wikidata":"https://www.wikidata.org/wiki/Q1502887","display_name":"Geodetic datum","level":2,"score":0.45965638756752014},{"id":"https://openalex.org/C102451475","wikidata":"https://www.wikidata.org/wiki/Q486250","display_name":"GLONASS","level":4,"score":0.43980419635772705},{"id":"https://openalex.org/C59375849","wikidata":"https://www.wikidata.org/wiki/Q5013513","display_name":"COSMIC cancer database","level":2,"score":0.43478140234947205},{"id":"https://openalex.org/C64396926","wikidata":"https://www.wikidata.org/wiki/Q381517","display_name":"Atmospheric sounding","level":2,"score":0.4262791574001312},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23339277505874634},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.20773059129714966},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.18281328678131104},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15346786379814148},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.10276871919631958},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C44870925","wikidata":"https://www.wikidata.org/wiki/Q37547","display_name":"Astrophysics","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s22145209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22145209","pdf_url":"https://www.mdpi.com/1424-8220/22/14/5209/pdf?version=1657619465","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},{"id":"pmid:35890887","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/35890887","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:93a05f904d5248dd9b4a8f9976be685b","is_oa":true,"landing_page_url":"https://doaj.org/article/93a05f904d5248dd9b4a8f9976be685b","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 22, Iss 14, p 5209 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/22/14/5209/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/s22145209","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":"Sensors; Volume 22; Issue 14; Pages: 5209","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:9319514","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/9319514","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"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":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s22145209","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s22145209","pdf_url":"https://www.mdpi.com/1424-8220/22/14/5209/pdf?version=1657619465","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"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":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.699999988079071,"id":"https://metadata.un.org/sdg/13","display_name":"Climate action"}],"awards":[{"id":"https://openalex.org/G2960012075","display_name":null,"funder_award_id":"NO.KFKT_201906","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G299760317","display_name":null,"funder_award_id":"11903064","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G354529851","display_name":null,"funder_award_id":"2020YFA0713501","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6355788906","display_name":null,"funder_award_id":"U1831116","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8067835954","display_name":null,"funder_award_id":"2018YFC1406104","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4285089072.pdf","grobid_xml":"https://content.openalex.org/works/W4285089072.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W1974561698","https://openalex.org/W1980483341","https://openalex.org/W1988114896","https://openalex.org/W1995790540","https://openalex.org/W1998109790","https://openalex.org/W2005172611","https://openalex.org/W2007427582","https://openalex.org/W2008397460","https://openalex.org/W2030475746","https://openalex.org/W2031892331","https://openalex.org/W2039898771","https://openalex.org/W2077208327","https://openalex.org/W2081182187","https://openalex.org/W2090284691","https://openalex.org/W2096719695","https://openalex.org/W2107971176","https://openalex.org/W2134917619","https://openalex.org/W2141042052","https://openalex.org/W2151947457","https://openalex.org/W2178276840","https://openalex.org/W2346388785","https://openalex.org/W2747206612","https://openalex.org/W2755346628","https://openalex.org/W2787879772","https://openalex.org/W2998530089","https://openalex.org/W3004506590","https://openalex.org/W3010966788","https://openalex.org/W3109235857","https://openalex.org/W3119228151","https://openalex.org/W4243100138"],"related_works":["https://openalex.org/W2010515193","https://openalex.org/W581459807","https://openalex.org/W2076760108","https://openalex.org/W2080119763","https://openalex.org/W2385429089","https://openalex.org/W2209680672","https://openalex.org/W3009895728","https://openalex.org/W631171883","https://openalex.org/W2169541011","https://openalex.org/W2624168452"],"abstract_inverted_index":{"Global":[0],"Navigation":[1],"Satellite":[2],"System":[3,72],"(GNSS)":[4],"signals":[5],"generate":[6],"slant":[7],"tropospheric":[8,32,255],"delays":[9],"when":[10,194,203],"they":[11],"pass":[12],"through":[13],"the":[14,20,55,62,69,96,99,105,124,132,138,144,154,158,173,189,195,204,212,221,226,229,233,248],"atmosphere,":[15],"which":[16],"is":[17,40],"recognized":[18],"as":[19],"main":[21],"source":[22],"of":[23,41,57,98,137,157,216,220,235,250],"error":[24,200,257],"in":[25,54,188,228,259],"many":[26],"spatial":[27],"geodetic":[28],"applications.":[29],"The":[30,113,149,218,241],"zenith":[31],"delay":[33,256],"(ZTD)":[34],"derived":[35,115],"from":[36,68,85,116,123],"radio":[37,100,140,251],"occultation":[38,101,141,252],"data":[39,67,102,111,253],"great":[42],"significance":[43],"to":[44,51,88,131,210,246],"atmospheric":[45],"research":[46],"and":[47,49,65,76,81,92,104,109,162,172,225,237],"meteorology":[48],"needs":[50],"be":[52,244],"assessed":[53],"use":[56],"precision":[58],"positioning.":[59,262],"Based":[60],"on":[61,232],"atmPrf,":[63],"sonPrf,":[64],"echPrf":[66],"Constellation":[70],"Observing":[71],"for":[73,254],"Meteorology,":[74],"Ionosphere,":[75],"Climate":[77],"(COSMIC)":[78],"Data":[79],"Analysis":[80],"Archiving":[82],"Center":[83],"(CDAAC)":[84],"1":[86],"January":[87],"31":[89],"December":[90],"2008":[91],"2012,":[93],"we":[94],"obtained":[95],"ZTDs":[97,114],"(occZTD)":[103],"corresponding":[106],"radiosonde":[107],"(sonZTD)":[108],"ECWMF":[110],"(echZTD).":[112],"ground-based":[117],"global":[118],"positioning":[119,191],"system":[120],"(GPS)":[121],"observations":[122],"International":[125],"GNSS":[126,190],"Service":[127],"(IGS)":[128],"were":[129,239],"corrected":[130],"lowest":[133],"tangent":[134],"point":[135],"height":[136,146],"matched":[139],"profile":[142,215],"by":[143],"barometric":[145],"formula":[147],"(gnsZTD).":[148],"statistical":[150],"results":[151,242],"show":[152],"that":[153,183],"absolute":[155],"values":[156],"bias":[159],"between":[160],"occZTD":[161,184,236],"echZTD,":[163],"sonZTD,":[164],"or":[165,180],"gnsZTD":[166,238],"are":[167,176],"less":[168],"than":[169],"5":[170],"mm,":[171],"standard":[174],"deviations":[175],"approximately":[177],"20":[178],"mm":[179],"less,":[181],"indicating":[182],"had":[185],"significant":[186],"accuracy":[187],"model":[192],"even":[193],"local":[196],"spherical":[197],"symmetry":[198],"assumption":[199],"was":[201,208],"introduced":[202],"Abel":[205],"inversion":[206],"algorithm":[207],"used":[209,245],"obtain":[211],"refractive":[213],"index":[214],"atmPrf.":[217],"effects":[219],"horizontal/vertical":[222],"matching":[223],"resolution":[224],"variation":[227],"station":[230],"height/latitude":[231],"biases":[234],"analyzed.":[240],"can":[243],"quantify":[247],"performance":[249],"correction":[258],"dynamic":[260],"high-precision":[261]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1}],"updated_date":"2026-05-21T09:19:25.381259","created_date":"2025-10-10T00:00:00"}