{"id":"https://openalex.org/W3173417506","doi":"https://doi.org/10.3390/rs13132525","title":"Satellite Retrieval of Air Pollution Changes in Central and Eastern China during COVID-19 Lockdown Based on a Machine Learning Model","display_name":"Satellite Retrieval of Air Pollution Changes in Central and Eastern China during COVID-19 Lockdown Based on a Machine Learning Model","publication_year":2021,"publication_date":"2021-06-28","ids":{"openalex":"https://openalex.org/W3173417506","doi":"https://doi.org/10.3390/rs13132525","mag":"3173417506"},"language":"en","primary_location":{"id":"doi:10.3390/rs13132525","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132525","pdf_url":null,"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://doi.org/10.3390/rs13132525","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5082185572","display_name":"Zigeng Song","orcid":"https://orcid.org/0000-0001-7751-4585"},"institutions":[{"id":"https://openalex.org/I4210109544","display_name":"Second Institute of Oceanography","ror":"https://ror.org/01tkb7c15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210109544"]},{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"funder","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zigeng Song","raw_affiliation_strings":["College of Oceanography, Hohai University, Nanjing 210098, China","State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China"],"affiliations":[{"raw_affiliation_string":"College of Oceanography, Hohai University, Nanjing 210098, China","institution_ids":["https://openalex.org/I163340411"]},{"raw_affiliation_string":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China","institution_ids":["https://openalex.org/I4210109544","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5051755337","display_name":"Yan Bai","orcid":"https://orcid.org/0000-0002-3345-1495"},"institutions":[{"id":"https://openalex.org/I4210109544","display_name":"Second Institute of Oceanography","ror":"https://ror.org/01tkb7c15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210109544"]},{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"funder","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yan Bai","raw_affiliation_strings":["Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510000, China","State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China"],"affiliations":[{"raw_affiliation_string":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510000, China","institution_ids":["https://openalex.org/I4210106122"]},{"raw_affiliation_string":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China","institution_ids":["https://openalex.org/I4210109544","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053182622","display_name":"Difeng Wang","orcid":"https://orcid.org/0000-0001-7747-3082"},"institutions":[{"id":"https://openalex.org/I4210106122","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210106122"]},{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"funder","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210109544","display_name":"Second Institute of Oceanography","ror":"https://ror.org/01tkb7c15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210109544"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Difeng Wang","raw_affiliation_strings":["Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510000, China","State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China"],"affiliations":[{"raw_affiliation_string":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou 510000, China","institution_ids":["https://openalex.org/I4210106122"]},{"raw_affiliation_string":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China","institution_ids":["https://openalex.org/I4210109544","https://openalex.org/I211433327"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057080568","display_name":"Teng Li","orcid":"https://orcid.org/0000-0002-5620-3662"},"institutions":[{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"funder","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I4210109544","display_name":"Second Institute of Oceanography","ror":"https://ror.org/01tkb7c15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210109544"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Teng Li","raw_affiliation_strings":["State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China","institution_ids":["https://openalex.org/I4210109544","https://openalex.org/I211433327"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037623697","display_name":"Xianqiang He","orcid":"https://orcid.org/0000-0001-7474-6778"},"institutions":[{"id":"https://openalex.org/I4210109544","display_name":"Second Institute of Oceanography","ror":"https://ror.org/01tkb7c15","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210109544"]},{"id":"https://openalex.org/I211433327","display_name":"Ministry of Natural Resources","ror":"https://ror.org/02kxqx159","country_code":"CN","type":"funder","lineage":["https://openalex.org/I211433327","https://openalex.org/I4210127390"]},{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xianqiang He","raw_affiliation_strings":["School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China","State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China"],"affiliations":[{"raw_affiliation_string":"School of Oceanography, Shanghai Jiao Tong University, Shanghai 200030, China","institution_ids":["https://openalex.org/I183067930"]},{"raw_affiliation_string":"State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou 310012, China","institution_ids":["https://openalex.org/I4210109544","https://openalex.org/I211433327"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5037623697"],"corresponding_institution_ids":["https://openalex.org/I183067930","https://openalex.org/I211433327","https://openalex.org/I4210109544"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":0.84,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.69778007,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"13","issue":"13","first_page":"2525","last_page":"2525"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10190","display_name":"Air Quality and Health Impacts","score":0.9998000264167786,"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":0.9998000264167786,"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/T12916","display_name":"COVID-19 impact on air quality","score":0.9997000098228455,"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/T12120","display_name":"Air Quality Monitoring and Forecasting","score":0.9987999796867371,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6649286150932312},{"id":"https://openalex.org/keywords/air-pollution","display_name":"Air pollution","score":0.5812587738037109},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5456725358963013},{"id":"https://openalex.org/keywords/coronavirus-disease-2019","display_name":"Coronavirus disease 2019 (COVID-19)","score":0.4969489872455597},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.49118325114250183},{"id":"https://openalex.org/keywords/pollutant","display_name":"Pollutant","score":0.4745664894580841},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.460247665643692},{"id":"https://openalex.org/keywords/pollution","display_name":"Pollution","score":0.41943663358688354},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.372669517993927},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.21513700485229492},{"id":"https://openalex.org/keywords/medicine","display_name":"Medicine","score":0.09698271751403809}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6649286150932312},{"id":"https://openalex.org/C559116025","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollution","level":2,"score":0.5812587738037109},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5456725358963013},{"id":"https://openalex.org/C3008058167","wikidata":"https://www.wikidata.org/wiki/Q84263196","display_name":"Coronavirus disease 2019 (COVID-19)","level":4,"score":0.4969489872455597},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.49118325114250183},{"id":"https://openalex.org/C82685317","wikidata":"https://www.wikidata.org/wiki/Q19829510","display_name":"Pollutant","level":2,"score":0.4745664894580841},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.460247665643692},{"id":"https://openalex.org/C521259446","wikidata":"https://www.wikidata.org/wiki/Q58734","display_name":"Pollution","level":2,"score":0.41943663358688354},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.372669517993927},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.21513700485229492},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.09698271751403809},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"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/C2779134260","wikidata":"https://www.wikidata.org/wiki/Q12136","display_name":"Disease","level":2,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","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/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","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/C524204448","wikidata":"https://www.wikidata.org/wiki/Q788926","display_name":"Infectious disease (medical specialty)","level":3,"score":0.0},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13132525","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132525","pdf_url":null,"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:003775f7373f4ad7979c4a161ccf7155","is_oa":true,"landing_page_url":"https://doaj.org/article/003775f7373f4ad7979c4a161ccf7155","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-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 13, Iss 13, p 2525 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/13/2525/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13132525","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","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs13132525","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132525","pdf_url":null,"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/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/G1400546240","display_name":null,"funder_award_id":"#41825014","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1477544716","display_name":null,"funder_award_id":"Guangdong","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G175489915","display_name":null,"funder_award_id":"060001","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G1803972078","display_name":null,"funder_award_id":"41825014","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/G2946762102","display_name":null,"funder_award_id":"2017R52001","funder_id":"https://openalex.org/F4320338464","funder_display_name":"Natural Science Foundation of Zhejiang Province"},{"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/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/G466649759","display_name":null,"funder_award_id":"2017Y","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G4743329126","display_name":null,"funder_award_id":"Grants #41825014, #41676172 and #41676170","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5748778756","display_name":null,"funder_award_id":"2019ZD06","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5794049553","display_name":null,"funder_award_id":"4182501","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5898379134","display_name":null,"funder_award_id":"#2017YFA0603003","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program 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/G6034572085","display_name":null,"funder_award_id":"GML2019ZD0602","funder_id":"https://openalex.org/F4320330495","funder_display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)"},{"id":"https://openalex.org/G7033253288","display_name":null,"funder_award_id":"Grants","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7280121693","display_name":null,"funder_award_id":"2017YFA0603003","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G747943061","display_name":null,"funder_award_id":"Grant #2017YFA0603003","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G7608752429","display_name":null,"funder_award_id":"Talent","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8134359101","display_name":null,"funder_award_id":"2017YFA0603003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8218031721","display_name":null,"funder_award_id":"2017YFA","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8340078520","display_name":null,"funder_award_id":"2017YF","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G8807959111","display_name":null,"funder_award_id":"2017YFA060300","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320327057","display_name":"State Key Laboratory of Satellite Ocean Environment Dynamics","ror":null},{"id":"https://openalex.org/F4320330495","display_name":"Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou)","ror":"https://ror.org/00y7mag53"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320338464","display_name":"Natural Science Foundation of Zhejiang Province","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W2019947189","https://openalex.org/W2170553573","https://openalex.org/W2218047931","https://openalex.org/W2230077728","https://openalex.org/W2520534318","https://openalex.org/W2532505215","https://openalex.org/W2551945032","https://openalex.org/W2588978790","https://openalex.org/W2610316289","https://openalex.org/W2800133189","https://openalex.org/W2819013944","https://openalex.org/W2932464630","https://openalex.org/W2945832244","https://openalex.org/W2953978338","https://openalex.org/W2971807556","https://openalex.org/W2979380693","https://openalex.org/W3014096152","https://openalex.org/W3019923827","https://openalex.org/W3021980696","https://openalex.org/W3023069035","https://openalex.org/W3033612208","https://openalex.org/W3034075062","https://openalex.org/W3034338747","https://openalex.org/W3036686135","https://openalex.org/W3039814439","https://openalex.org/W3040134986","https://openalex.org/W3041160329","https://openalex.org/W3069219434","https://openalex.org/W3080890791","https://openalex.org/W3082480401","https://openalex.org/W3091319761","https://openalex.org/W3111784912","https://openalex.org/W3143022486"],"related_works":["https://openalex.org/W2382027398","https://openalex.org/W4280559622","https://openalex.org/W3146724685","https://openalex.org/W2389240616","https://openalex.org/W2384613820","https://openalex.org/W2169359190","https://openalex.org/W3094447531","https://openalex.org/W2388613575","https://openalex.org/W2362463548","https://openalex.org/W3030116098"],"abstract_inverted_index":{"With":[0],"the":[1,4,11,77,129,155,163],"implementation":[2],"of":[3],"2018\u20132020":[5],"Clean":[6],"Air":[7],"Action":[8],"Plan":[9],"(CAAP)":[10],"and":[12,24,37,51,63,67,81,92,113,119,132,142,149,160],"impact":[13],"from":[14],"COVID-19":[15,130],"lockdowns":[16],"in":[17,22,54,58,121,151,158,165,177],"2020,":[18,123],"air":[19,56,108],"pollution":[20],"emissions":[21,167],"central":[23,66],"eastern":[25,68],"China":[26],"have":[27],"decreased":[28,115,144],"markedly.":[29],"Here,":[30],"by":[31,116,128,145],"combining":[32],"satellite":[33],"remote":[34],"sensing,":[35],"re-analysis,":[36],"ground-based":[38],"observational":[39],"data,":[40],"we":[41],"established":[42],"a":[43,172],"machine":[44],"learning":[45],"(ML)":[46],"model":[47,101],"to":[48,61,154],"analyze":[49],"annual":[50],"seasonal":[52],"changes":[53],"primary":[55],"pollutants":[57],"2020":[59,152],"compared":[60],"2018":[62,159],"2019":[64],"over":[65],"China.":[69],"The":[70,96],"root":[71],"mean":[72],"squared":[73],"errors":[74],"(RMSE)":[75],"for":[76,105],"PM2.5,":[78,111,139],"PM10,":[79,112,140],"O3,":[80,141],"CO":[82,114,143],"validation":[83],"dataset":[84],"were":[85],"9.027":[86],"\u03bcg/m3,":[87,89,91],"20.312":[88],"10.436":[90],"0.097":[93],"mg/m3,":[94],"respectively.":[95],"geographical":[97],"random":[98],"forest":[99],"(RF)":[100],"demonstrated":[102],"good":[103],"performance":[104],"four":[106],"main":[107],"pollutants.":[109],"Notably,":[110],"44.1%,":[117],"43.2%,":[118],"35.9%":[120],"February":[122],"which":[124],"was":[125,168],"likely":[126],"influenced":[127],"lockdown":[131],"primarily":[133],"lasted":[134],"until":[135],"May":[136],"2020.":[137],"Furthermore,":[138],"16.4%,":[146],"24.2%,":[147],"2.7%,":[148],"19.8%":[150],"relative":[153],"average":[156],"values":[157],"2019.":[161],"Moreover,":[162],"reduction":[164],"O3":[166],"not":[169],"universal,":[170],"with":[171],"significant":[173],"increase":[174],"(~20\u201340%)":[175],"observed":[176],"uncontaminated":[178],"areas.":[179]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":4},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}