{"id":"https://openalex.org/W4210290469","doi":"https://doi.org/10.3390/rs14030599","title":"Retrieval of Fine-Grained PM2.5 Spatiotemporal Resolution Based on Multiple Machine Learning Models","display_name":"Retrieval of Fine-Grained PM2.5 Spatiotemporal Resolution Based on Multiple Machine Learning Models","publication_year":2022,"publication_date":"2022-01-26","ids":{"openalex":"https://openalex.org/W4210290469","doi":"https://doi.org/10.3390/rs14030599"},"language":"en","primary_location":{"id":"doi:10.3390/rs14030599","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030599","pdf_url":"https://www.mdpi.com/2072-4292/14/3/599/pdf?version=1643337930","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/2072-4292/14/3/599/pdf?version=1643337930","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072303473","display_name":"Peilong Ma","orcid":"https://orcid.org/0000-0002-2865-9515"},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Peilong Ma","raw_affiliation_strings":["School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066128154","display_name":"Fei Tao","orcid":"https://orcid.org/0000-0002-7317-5974"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]},{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Fei Tao","raw_affiliation_strings":["Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, China","School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]},{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075994205","display_name":"Gao Li-na","orcid":"https://orcid.org/0000-0001-7302-2583"},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lina Gao","raw_affiliation_strings":["School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025242907","display_name":"Shaijie Leng","orcid":null},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shaijie Leng","raw_affiliation_strings":["School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102822692","display_name":"Ke Yang","orcid":"https://orcid.org/0000-0002-1399-5030"},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Yang","raw_affiliation_strings":["School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036274737","display_name":"Tong Zhou","orcid":"https://orcid.org/0000-0002-3041-6264"},"institutions":[{"id":"https://openalex.org/I199305430","display_name":"Nantong University","ror":"https://ror.org/02afcvw97","country_code":"CN","type":"education","lineage":["https://openalex.org/I199305430"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tong Zhou","raw_affiliation_strings":["School of Geographical Sciences, Nantong University, Nantong 226007, China"],"affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Nantong University, Nantong 226007, China","institution_ids":["https://openalex.org/I199305430"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5036274737"],"corresponding_institution_ids":["https://openalex.org/I199305430"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.2637,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":{"value":0.8708267,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"14","issue":"3","first_page":"599","last_page":"599"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10190","display_name":"Air Quality and Health Impacts","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9997000098228455,"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":0.9976999759674072,"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/computer-science","display_name":"Computer science","score":0.6520992517471313},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5180728435516357},{"id":"https://openalex.org/keywords/data-mining","display_name":"Data mining","score":0.4244460165500641},{"id":"https://openalex.org/keywords/random-forest","display_name":"Random forest","score":0.4237840175628662},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.34090185165405273},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.2578021287918091},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.08028861880302429}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6520992517471313},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5180728435516357},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.4244460165500641},{"id":"https://openalex.org/C169258074","wikidata":"https://www.wikidata.org/wiki/Q245748","display_name":"Random forest","level":2,"score":0.4237840175628662},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.34090185165405273},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.2578021287918091},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.08028861880302429}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.3390/rs14030599","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030599","pdf_url":"https://www.mdpi.com/2072-4292/14/3/599/pdf?version=1643337930","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:cdfd3a7d2ee14472b061be809cc056bd","is_oa":true,"landing_page_url":"https://doaj.org/article/cdfd3a7d2ee14472b061be809cc056bd","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 3, p 599 (2022)","raw_type":"article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/96464","is_oa":true,"landing_page_url":"http://hdl.handle.net/10397/96464","pdf_url":null,"source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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":null,"raw_type":"Journal/Magazine Article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/3/599/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14030599","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 3; Pages: 599","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14030599","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14030599","pdf_url":"https://www.mdpi.com/2072-4292/14/3/599/pdf?version=1643337930","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":[{"id":"https://metadata.un.org/sdg/11","score":0.8100000023841858,"display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G1121271761","display_name":null,"funder_award_id":"Program","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","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/G2377505993","display_name":null,"funder_award_id":"41401456","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2727878981","display_name":null,"funder_award_id":"202110304108Y","funder_id":"https://openalex.org/F4320336008","funder_display_name":"National College Students Innovation and Entrepreneurship Training Program"},{"id":"https://openalex.org/G3011155338","display_name":null,"funder_award_id":"202102","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3196494393","display_name":null,"funder_award_id":"21103040","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/G3744313044","display_name":null,"funder_award_id":"Social","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/G3836660704","display_name":null,"funder_award_id":"21103041","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/G4020255992","display_name":null,"funder_award_id":"Project","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5394909976","display_name":null,"funder_award_id":"19ZDA189","funder_id":"https://openalex.org/F4320327557","funder_display_name":"National Office for Philosophy and Social Sciences"},{"id":"https://openalex.org/G5760752404","display_name":null,"funder_award_id":"Projects","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5762773393","display_name":null,"funder_award_id":"202108","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","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/G7359059775","display_name":null,"funder_award_id":"202110304041Z","funder_id":"https://openalex.org/F4320336008","funder_display_name":"National College Students Innovation and Entrepreneurship Training Program"},{"id":"https://openalex.org/G7539905487","display_name":null,"funder_award_id":"202110","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8029115874","display_name":null,"funder_award_id":"41301514","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8955107213","display_name":null,"funder_award_id":"Major","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/F4320327557","display_name":"National Office for Philosophy and Social Sciences","ror":"https://ror.org/04m0ms912"},{"id":"https://openalex.org/F4320336008","display_name":"National College Students Innovation and Entrepreneurship Training Program","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4210290469.pdf","grobid_xml":"https://content.openalex.org/works/W4210290469.grobid-xml"},"referenced_works_count":54,"referenced_works":["https://openalex.org/W1973749534","https://openalex.org/W2057036781","https://openalex.org/W2069977802","https://openalex.org/W2080651100","https://openalex.org/W2083944525","https://openalex.org/W2084668217","https://openalex.org/W2110673467","https://openalex.org/W2130189616","https://openalex.org/W2137226992","https://openalex.org/W2141970008","https://openalex.org/W2154776925","https://openalex.org/W2203507062","https://openalex.org/W2208235194","https://openalex.org/W2306844409","https://openalex.org/W2312602772","https://openalex.org/W2316167246","https://openalex.org/W2608460809","https://openalex.org/W2740369742","https://openalex.org/W2761974490","https://openalex.org/W2791696953","https://openalex.org/W2794899212","https://openalex.org/W2795470013","https://openalex.org/W2797259048","https://openalex.org/W2801411141","https://openalex.org/W2811009165","https://openalex.org/W2886607263","https://openalex.org/W2903922503","https://openalex.org/W2917616628","https://openalex.org/W2921474046","https://openalex.org/W2928066036","https://openalex.org/W2945306488","https://openalex.org/W2963020903","https://openalex.org/W2965521597","https://openalex.org/W2969836731","https://openalex.org/W2972641706","https://openalex.org/W2975879014","https://openalex.org/W2985057327","https://openalex.org/W3000260079","https://openalex.org/W3001539913","https://openalex.org/W3006101764","https://openalex.org/W3011200639","https://openalex.org/W3012231256","https://openalex.org/W3043856293","https://openalex.org/W3048785992","https://openalex.org/W3049482449","https://openalex.org/W3080464634","https://openalex.org/W3109044937","https://openalex.org/W3127449191","https://openalex.org/W3192855158","https://openalex.org/W3197557654","https://openalex.org/W4200046456","https://openalex.org/W6680532697","https://openalex.org/W6682981795","https://openalex.org/W6751321158"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W3193043704","https://openalex.org/W4386259002","https://openalex.org/W1546989560","https://openalex.org/W3171520305","https://openalex.org/W1924178503","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4308716060","https://openalex.org/W2376932109"],"abstract_inverted_index":{"Due":[0],"to":[1,20,37,66,116,133,155,166,247,261],"the":[2,7,26,31,43,77,118,135,156,168,207,215,221,228,249,263,267],"country\u2019s":[3],"rapid":[4],"economic":[5],"growth,":[6],"problem":[8],"of":[9,54,58,86,120,141,145,179,186,223,252,266],"air":[10,48,253],"pollution":[11],"in":[12,47,125,138,148,214,227,235],"China":[13],"is":[14,42,57],"becoming":[15],"increasingly":[16],"serious.":[17],"In":[18],"order":[19],"achieve":[21],"a":[22,92,139,176,182,196,239],"win-win":[23],"situation":[24],"for":[25,242],"environment":[27],"and":[28,81,113,171,181,194,211,255],"urban":[29],"development,":[30],"government":[32],"has":[33],"issued":[34],"many":[35],"policies":[36],"strengthen":[38],"environmental":[39],"protection.":[40],"PM2.5":[41,55,68,95,126,208,231,244],"primary":[44],"particulate":[45],"matter":[46],"pollution,":[49],"so":[50],"an":[51],"accurate":[52],"estimation":[53,246],"distribution":[56,209,250],"great":[59],"significance.":[60],"Although":[61],"previous":[62],"studies":[63],"have":[64,167],"attempted":[65],"retrieve":[67],"using":[69],"geostatistical":[70],"or":[71],"aerosol":[72],"remote":[73],"sensing":[74],"retrieval":[75,96,146,184,192,203,232],"methods,":[76],"current":[78],"rough":[79],"resolution":[80],"accuracy":[82,147,185,193],"remain":[83],"as":[84,104,218,220],"limitations":[85],"such":[87,103],"methods.":[88],"This":[89],"paper":[90,237],"proposes":[91],"fine-grained":[93,243],"spatiotemporal":[94,198],"method":[97,233],"that":[98],"comprehensively":[99],"considers":[100],"various":[101],"datasets,":[102],"Landsat":[105],"8":[106],"satellite":[107],"images,":[108],"ground":[109],"monitoring":[110],"station":[111],"data,":[112,115],"socio-economic":[114],"explore":[117],"applicability":[119],"different":[121,149,224],"machine":[122],"learning":[123],"algorithms":[124,130],"retrieval.":[127],"Six":[128],"typical":[129],"were":[131,151],"used":[132],"train":[134],"multi-dimensional":[136],"elements":[137],"series":[140],"experiments.":[142],"The":[143,160,230],"characteristics":[144,210],"scenarios":[150],"clarified":[152],"mainly":[153],"according":[154],"validation":[157],"index,":[158],"R2.":[159],"random":[161],"forest":[162],"algorithm":[163],"was":[164],"shown":[165],"best":[169],"numerical":[170],"PM2.5-based":[172],"air-quality-category":[173],"accuracy,":[174],"with":[175],"cross-validated":[177],"R2":[178],"0.86":[180],"category":[183],"0.83,":[187],"while":[188],"both":[189],"maintained":[190],"excellent":[191],"achieved":[195],"high":[197],"resolution.":[199],"Based":[200],"on":[201],"this":[202,236],"model,":[204],"we":[205],"evaluated":[206],"hourly":[212],"variation":[213],"sample":[216],"area,":[217],"well":[219],"functions":[222],"input":[225],"variables":[226],"model.":[229],"proposed":[234],"provides":[238],"new":[240],"model":[241],"concentration":[245],"determine":[248],"laws":[251],"pollutants":[254],"thereby":[256],"specify":[257],"more":[258],"effective":[259],"measures":[260],"realize":[262],"high-quality":[264],"development":[265],"city.":[268]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":7}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}
