{"id":"https://openalex.org/W3207806437","doi":"https://doi.org/10.1109/igarss47720.2021.9553326","title":"Improved TROPOMI HCHO Column Validation Using Dual-Scan MAX-DOAS Retrievals","display_name":"Improved TROPOMI HCHO Column Validation Using Dual-Scan MAX-DOAS Retrievals","publication_year":2021,"publication_date":"2021-07-11","ids":{"openalex":"https://openalex.org/W3207806437","doi":"https://doi.org/10.1109/igarss47720.2021.9553326","mag":"3207806437"},"language":"en","primary_location":{"id":"doi:10.1109/igarss47720.2021.9553326","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553326","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","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/A5065168747","display_name":"Ermioni Dimitropoulou","orcid":null},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Ermioni Dimitropoulou","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109452726","display_name":"Fran\u00e7ois Hendrick","orcid":null},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Francois Hendrick","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004689329","display_name":"Martina M. Friedrich","orcid":"https://orcid.org/0000-0002-4752-1837"},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Martina M. Friedrich","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103851607","display_name":"Frederik Tack","orcid":null},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Frederik Tack","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5059776423","display_name":"Ga\u00efa Pinardi","orcid":"https://orcid.org/0000-0001-5428-916X"},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Gaia Pinardi","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002047746","display_name":"Alexis Merlaud","orcid":"https://orcid.org/0000-0002-5165-5504"},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Alexis Merlaud","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112561037","display_name":"Caroline Fayt","orcid":"https://orcid.org/0009-0006-1560-6621"},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Caroline Fayt","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060982778","display_name":"Christian Hermans","orcid":null},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Christian Hermans","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085740285","display_name":"Michel Van Roozenda\u00ebl","orcid":"https://orcid.org/0000-0002-9669-8444"},"institutions":[{"id":"https://openalex.org/I198448160","display_name":"Royal Belgian Institute for Space Aeronomy","ror":"https://ror.org/03vfw8w96","country_code":"BE","type":"facility","lineage":["https://openalex.org/I198448160"]}],"countries":["BE"],"is_corresponding":false,"raw_author_name":"Michel Van Roozendael","raw_affiliation_strings":["Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium"],"affiliations":[{"raw_affiliation_string":"Royal Belgian Institute for Space Aeronomy (BIRA-IASB), Brussels, Belgium","institution_ids":["https://openalex.org/I198448160"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":9,"corresponding_author_ids":["https://openalex.org/A5065168747"],"corresponding_institution_ids":["https://openalex.org/I198448160"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.1335005,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"8026","last_page":"8029"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","score":0.9995999932289124,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10075","display_name":"Atmospheric chemistry and aerosols","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/1902","display_name":"Atmospheric Science"},"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/differential-optical-absorption-spectroscopy","display_name":"Differential optical absorption spectroscopy","score":0.9273985028266907},{"id":"https://openalex.org/keywords/azimuth","display_name":"Azimuth","score":0.8143044710159302},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5930521488189697},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5589176416397095},{"id":"https://openalex.org/keywords/formaldehyde","display_name":"Formaldehyde","score":0.5410273671150208},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.5317479372024536},{"id":"https://openalex.org/keywords/inversion","display_name":"Inversion (geology)","score":0.43556153774261475},{"id":"https://openalex.org/keywords/elevation-angle","display_name":"Elevation angle","score":0.4165423512458801},{"id":"https://openalex.org/keywords/atmosphere","display_name":"Atmosphere (unit)","score":0.4122149348258972},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.23973622918128967},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23728102445602417},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.23582309484481812},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21467548608779907},{"id":"https://openalex.org/keywords/absorption","display_name":"Absorption (acoustics)","score":0.18454551696777344},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.11069288849830627}],"concepts":[{"id":"https://openalex.org/C194072897","wikidata":"https://www.wikidata.org/wiki/Q1224441","display_name":"Differential optical absorption spectroscopy","level":3,"score":0.9273985028266907},{"id":"https://openalex.org/C159737794","wikidata":"https://www.wikidata.org/wiki/Q124274","display_name":"Azimuth","level":2,"score":0.8143044710159302},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5930521488189697},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5589176416397095},{"id":"https://openalex.org/C2775930285","wikidata":"https://www.wikidata.org/wiki/Q161210","display_name":"Formaldehyde","level":2,"score":0.5410273671150208},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.5317479372024536},{"id":"https://openalex.org/C1893757","wikidata":"https://www.wikidata.org/wiki/Q3653001","display_name":"Inversion (geology)","level":3,"score":0.43556153774261475},{"id":"https://openalex.org/C2986230362","wikidata":"https://www.wikidata.org/wiki/Q203218","display_name":"Elevation angle","level":3,"score":0.4165423512458801},{"id":"https://openalex.org/C65440619","wikidata":"https://www.wikidata.org/wiki/Q177974","display_name":"Atmosphere (unit)","level":2,"score":0.4122149348258972},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.23973622918128967},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23728102445602417},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.23582309484481812},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21467548608779907},{"id":"https://openalex.org/C125287762","wikidata":"https://www.wikidata.org/wiki/Q1758948","display_name":"Absorption (acoustics)","level":2,"score":0.18454551696777344},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.11069288849830627},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss47720.2021.9553326","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss47720.2021.9553326","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2071771824","https://openalex.org/W2109738210","https://openalex.org/W2129065423","https://openalex.org/W2145857138","https://openalex.org/W2153074601","https://openalex.org/W2178333445","https://openalex.org/W2770226331","https://openalex.org/W2772126179","https://openalex.org/W2904731854","https://openalex.org/W3010889968","https://openalex.org/W3091166542","https://openalex.org/W3160027141"],"related_works":["https://openalex.org/W2024335852","https://openalex.org/W2348542094","https://openalex.org/W2170954560","https://openalex.org/W2072356891","https://openalex.org/W4312732818","https://openalex.org/W2569604092","https://openalex.org/W2773932882","https://openalex.org/W2165157405","https://openalex.org/W2097842859","https://openalex.org/W2804688709"],"abstract_inverted_index":{"Formaldehyde":[0],"(HCHO)":[1],"is":[2,123],"the":[3,8,77,89,94,101,117,131,134,139,143,150,155,163,172,179],"most":[4],"abundant":[5],"aldehyde":[6],"in":[7,22,42,51,53,76,113],"atmosphere.":[9],"HCHO":[10,71,107,135,146,164,181],"ground-based":[11,121],"Multi-Axis":[12],"Differential":[13],"Optical":[14],"Absorption":[15],"Spectroscopy":[16],"(MAX-DOAS)":[17],"measurements":[18,177],"have":[19],"been":[20],"performed":[21],"Uccle,":[23],"Belgium":[24],"during":[25],"one":[26,49],"year":[27],"and":[28,70,100,109,141,170],"a":[29,43,54,64,83],"half":[30],"from":[31],"May":[32],"2018":[33],"to":[34],"December":[35],"2019.":[36],"The":[37],"MAX-DOAS":[38,103,176],"instrument":[39,153],"was":[40],"measuring":[41],"dual-scan":[44,102,175],"viewing":[45],"mode":[46],"consisting":[47],"of":[48,96,116,133,145,174],"scan":[50,62],"elevation":[52,67],"main":[55,78,128],"azimuthal":[56,79],"direction":[57,80],"followed":[58],"by":[59,81,149],"an":[60],"azimuth":[61,118],"at":[63],"fixed":[65],"low":[66],"angle.":[68],"Aerosols":[69],"vertical":[72,98],"profiles":[73,99],"are":[74,111],"retrieved":[75,112],"applying":[82],"profile":[84],"inversion":[85],"algorithm":[86],"based":[87],"on":[88],"Optimal":[90],"Estimation":[91],"Method.":[92],"With":[93],"aid":[95],"these":[97],"retrieval":[104],"strategy,":[105],"near-surface":[106],"concentrations":[108],"columns":[110,147],"all":[114],"directions":[115],"scan.":[119],"This":[120,158],"dataset":[122],"then":[124],"used":[125],"for":[126],"two":[127],"purposes:":[129],"(1)":[130,162],"characterization":[132],"horizontal":[136,165],"distribution":[137,166],"around":[138],"station":[140],"(2)":[142,171],"validation":[144,183],"measured":[148],"TROPOMI":[151,180],"satellite":[152],"over":[154],"Brussels":[156],"area.":[157],"study":[159],"reveals":[160],"that":[161],"differs":[167],"per":[168],"season":[169],"use":[173],"improves":[178],"column":[182],"results.":[184]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}