{"id":"https://openalex.org/W4285388922","doi":"https://doi.org/10.3390/rs14143381","title":"Analysis of PM2.5 Variations Based on Observed, Satellite-Derived, and Population-Weighted Concentrations","display_name":"Analysis of PM2.5 Variations Based on Observed, Satellite-Derived, and Population-Weighted Concentrations","publication_year":2022,"publication_date":"2022-07-14","ids":{"openalex":"https://openalex.org/W4285388922","doi":"https://doi.org/10.3390/rs14143381"},"language":"en","primary_location":{"id":"doi:10.3390/rs14143381","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143381","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3381/pdf?version=1657770705","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/2072-4292/14/14/3381/pdf?version=1657770705","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025259327","display_name":"Xin Fang","orcid":"https://orcid.org/0000-0002-6846-7147"},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Fang","raw_affiliation_strings":["School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China"],"affiliations":[{"raw_affiliation_string":"School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012197151","display_name":"Shenxin Li","orcid":"https://orcid.org/0000-0001-6238-1820"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shenxin Li","raw_affiliation_strings":["School of Geosciences and Info-Physics, Central South University, Changsha 410083, China"],"affiliations":[{"raw_affiliation_string":"School of Geosciences and Info-Physics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004873992","display_name":"Liwei Xiong","orcid":null},"institutions":[{"id":"https://openalex.org/I39521962","display_name":"Hunan City University","ror":"https://ror.org/01vd7vb53","country_code":"CN","type":"education","lineage":["https://openalex.org/I39521962"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liwei Xiong","raw_affiliation_strings":["School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China"],"affiliations":[{"raw_affiliation_string":"School of Municipal and Geomatics Engineering, Hunan City University, Yiyang 413000, China","institution_ids":["https://openalex.org/I39521962"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103259542","display_name":"Bin Zou","orcid":"https://orcid.org/0000-0003-2898-9562"},"institutions":[{"id":"https://openalex.org/I139660479","display_name":"Central South University","ror":"https://ror.org/00f1zfq44","country_code":"CN","type":"education","lineage":["https://openalex.org/I139660479"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Bin Zou","raw_affiliation_strings":["School of Geosciences and Info-Physics, Central South University, Changsha 410083, China"],"affiliations":[{"raw_affiliation_string":"School of Geosciences and Info-Physics, Central South University, Changsha 410083, China","institution_ids":["https://openalex.org/I139660479"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5103259542"],"corresponding_institution_ids":["https://openalex.org/I139660479"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.7546,"has_fulltext":true,"cited_by_count":8,"citation_normalized_percentile":{"value":0.67503222,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"14","issue":"14","first_page":"3381","last_page":"3381"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10190","display_name":"Air Quality and Health Impacts","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10190","display_name":"Air Quality and Health Impacts","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9986000061035156,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"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":0.9955999851226807,"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/environmental-science","display_name":"Environmental science","score":0.7149711847305298},{"id":"https://openalex.org/keywords/population","display_name":"Population","score":0.6369031071662903},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.6364437937736511},{"id":"https://openalex.org/keywords/particulates","display_name":"Particulates","score":0.48999086022377014},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.46192213892936707},{"id":"https://openalex.org/keywords/air-quality-index","display_name":"Air quality index","score":0.43652844429016113},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.41977035999298096},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.3372713327407837},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.32405656576156616},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2362476885318756},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.20102766156196594},{"id":"https://openalex.org/keywords/demography","display_name":"Demography","score":0.1307770013809204},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.07001903653144836},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.0675574243068695}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7149711847305298},{"id":"https://openalex.org/C2908647359","wikidata":"https://www.wikidata.org/wiki/Q2625603","display_name":"Population","level":2,"score":0.6369031071662903},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.6364437937736511},{"id":"https://openalex.org/C24245907","wikidata":"https://www.wikidata.org/wiki/Q498957","display_name":"Particulates","level":2,"score":0.48999086022377014},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.46192213892936707},{"id":"https://openalex.org/C126314574","wikidata":"https://www.wikidata.org/wiki/Q2364111","display_name":"Air quality index","level":2,"score":0.43652844429016113},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.41977035999298096},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.3372713327407837},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.32405656576156616},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2362476885318756},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.20102766156196594},{"id":"https://openalex.org/C149923435","wikidata":"https://www.wikidata.org/wiki/Q37732","display_name":"Demography","level":1,"score":0.1307770013809204},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.07001903653144836},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0675574243068695},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"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/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14143381","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143381","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3381/pdf?version=1657770705","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:b396d2ce4c904d35a552f1470fea0235","is_oa":true,"landing_page_url":"https://doaj.org/article/b396d2ce4c904d35a552f1470fea0235","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 14, Iss 14, p 3381 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/14/3381/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14143381","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 14; Issue 14; Pages: 3381","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14143381","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143381","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3381/pdf?version=1657770705","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":[],"awards":[{"id":"https://openalex.org/G1046512705","display_name":null,"funder_award_id":"41871317","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1218723520","display_name":null,"funder_award_id":"19B107","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3085993365","display_name":null,"funder_award_id":"(Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G37568934","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G391238517","display_name":null,"funder_award_id":", and","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5167091242","display_name":null,"funder_award_id":"No. 1","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7726157001","display_name":null,"funder_award_id":"Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8181708611","display_name":null,"funder_award_id":"2021JJ40022","funder_id":"https://openalex.org/F4320322843","funder_display_name":"Natural Science Foundation of\u00a0Hunan Province"},{"id":"https://openalex.org/G8405201258","display_name":null,"funder_award_id":"2021JJ40022","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322843","display_name":"Natural Science Foundation of\u00a0Hunan Province","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4285388922.pdf","grobid_xml":"https://content.openalex.org/works/W4285388922.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W1862113676","https://openalex.org/W1969692531","https://openalex.org/W1974279982","https://openalex.org/W1982339703","https://openalex.org/W2024466184","https://openalex.org/W2049371300","https://openalex.org/W2049384117","https://openalex.org/W2053785149","https://openalex.org/W2054279173","https://openalex.org/W2069977802","https://openalex.org/W2083944525","https://openalex.org/W2108162680","https://openalex.org/W2110673467","https://openalex.org/W2132111132","https://openalex.org/W2141970008","https://openalex.org/W2158143121","https://openalex.org/W2255251263","https://openalex.org/W2271929130","https://openalex.org/W2297827415","https://openalex.org/W2301552301","https://openalex.org/W2308284328","https://openalex.org/W2312602772","https://openalex.org/W2323483937","https://openalex.org/W2404713802","https://openalex.org/W2405742917","https://openalex.org/W2480175994","https://openalex.org/W2516758599","https://openalex.org/W2767631445","https://openalex.org/W2912750253","https://openalex.org/W2972476295","https://openalex.org/W3025238321","https://openalex.org/W3086892812","https://openalex.org/W3127141142","https://openalex.org/W3167303283","https://openalex.org/W3183454188","https://openalex.org/W3194352903","https://openalex.org/W3200173197","https://openalex.org/W6691667995"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W626601394","https://openalex.org/W2494533905","https://openalex.org/W2941015101","https://openalex.org/W2371666510","https://openalex.org/W2975026841","https://openalex.org/W4317914702","https://openalex.org/W4393715633","https://openalex.org/W2042029739"],"abstract_inverted_index":{"Fine":[0],"particulate":[1],"matter":[2],"(PM2.5),":[3],"which":[4],"can":[5],"cause":[6],"adverse":[7],"human":[8],"health":[9,236],"effects,":[10],"has":[11],"been":[12,31],"proven":[13],"as":[14],"the":[15,35,53,58,61,82,128,135,144,169,179,190,200,235],"first":[16],"air":[17,170,201,239],"pollutant":[18],"in":[19,37,84,130,173,181,192,207,226,243],"China.":[20,227],"In":[21],"situ":[22,244],"observations":[23],"with":[24,213,242],"ground-level":[25],"monitoring":[26],"and":[27,56,121,160,189],"satellite-based":[28],"concentrations":[29,110,123],"have":[30,49],"used":[32,125],"to":[33,80,97,105,126,158,165,168,223],"analyze":[34,127],"variations":[36,83,129],"PM2.5.":[38,85,131],"However,":[39],"variation":[40],"analyses":[41,79],"based":[42,113],"on":[43,52,60,114],"these":[44,69],"two":[45,70],"kinds":[46,71],"of":[47,72,89,138,238],"measurement":[48],"mainly":[50],"focused":[51],"concentration":[54,231],"itself":[55],"ignored":[57],"effects":[59],"population.":[62],"Therefore,":[63],"this":[64],"study":[65,81],"not":[66],"only":[67,195],"investigated":[68],"measurements,":[73],"but":[74,210],"also":[75],"performed":[76],"weighted":[77],"population":[78,193,215],"Firstly,":[86],"daily":[87],"models":[88,149],"timely":[90],"structure":[91],"adaptive":[92],"modeling":[93],"(TSAM)":[94],"were":[95,111,124],"constructed":[96],"simulate":[98],"satellite-derived":[99],"PM2.5":[100,116,176,230],"levels":[101],"from":[102,156,163],"January":[103],"2013":[104],"December":[106],"2016.":[107],"Secondly,":[108],"population-weighted":[109,122,229],"calculated":[112],"TSAM-derived":[115,175],"surfaces.":[117],"Finally,":[118],"observed,":[119],"TSAM-derived,":[120],"The":[132,228],"results":[133],"showed":[134,177,217],"different":[136],"importance":[137],"various":[139],"input":[140],"parameters;":[141],"AOD":[142],"had":[143],"highest":[145],"rank.":[146],"Additionally,":[147],"TSAM":[148],"demonstrated":[150],"good":[151],"performance,":[152],"fitting":[153],"R":[154,162],"ranging":[155],"0.86":[157],"0.91,":[159],"validating":[161],"0.82":[164],"0.89.":[166],"According":[167],"quality":[171,202],"standard":[172],"China,":[174],"that":[178,199],"increase":[180,191],"area":[182],"lower":[183],"than":[184],"Level":[185],"II":[186],"was":[187,194],"29.03%":[188],"14.81%.":[196],"This":[197],"indicates":[198],"exhibited":[203],"an":[204],"overall":[205],"improvement":[206,221],"spatial":[208],"perspective,":[209],"some":[211],"areas":[212],"high":[214],"density":[216],"a":[218],"relatively":[219],"low":[220],"due":[222],"uneven":[224],"distributions":[225],"could":[232],"better":[233],"represent":[234],"threats":[237],"pollutants":[240],"compared":[241],"observations.":[245]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}