{"id":"https://openalex.org/W2940898060","doi":"https://doi.org/10.3390/rs11080964","title":"Increase of Atmospheric Methane Observed from Space-Borne and Ground-Based Measurements","display_name":"Increase of Atmospheric Methane Observed from Space-Borne and Ground-Based Measurements","publication_year":2019,"publication_date":"2019-04-23","ids":{"openalex":"https://openalex.org/W2940898060","doi":"https://doi.org/10.3390/rs11080964","mag":"2940898060"},"language":"en","primary_location":{"id":"doi:10.3390/rs11080964","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11080964","pdf_url":"https://www.mdpi.com/2072-4292/11/8/964/pdf?version=1555992909","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/2072-4292/11/8/964/pdf?version=1555992909","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5110929815","display_name":"Mingmin Zou","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mingmin Zou","raw_affiliation_strings":["The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100631599","display_name":"Xiaozhen Xiong","orcid":"https://orcid.org/0000-0002-5056-3827"},"institutions":[{"id":"https://openalex.org/I4210144776","display_name":"Earth System Science Interdisciplinary Center","ror":"https://ror.org/042607708","country_code":"US","type":"facility","lineage":["https://openalex.org/I4210144776","https://openalex.org/I66946132"]},{"id":"https://openalex.org/I4210144891","display_name":"Science Systems and Applications (United States)","ror":"https://ror.org/03xec1444","country_code":"US","type":"company","lineage":["https://openalex.org/I4210144891"]},{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Xiaozhen Xiong","raw_affiliation_strings":["Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20740, USA","Science Systems and Applications, Inc., Lanham, MD 20706, USA"],"affiliations":[{"raw_affiliation_string":"Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20740, USA","institution_ids":["https://openalex.org/I4210144776","https://openalex.org/I66946132"]},{"raw_affiliation_string":"Science Systems and Applications, Inc., Lanham, MD 20706, USA","institution_ids":["https://openalex.org/I4210144891"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087187626","display_name":"Zhaohua Wu","orcid":"https://orcid.org/0000-0003-1660-0724"},"institutions":[{"id":"https://openalex.org/I103163165","display_name":"Florida State University","ror":"https://ror.org/05g3dte14","country_code":"US","type":"education","lineage":["https://openalex.org/I103163165"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Zhaohua Wu","raw_affiliation_strings":["Department of Meteorology & Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, FL 32306, USA"],"affiliations":[{"raw_affiliation_string":"Department of Meteorology & Center for Ocean-Atmospheric Prediction Studies, Florida State University, Tallahassee, FL 32306, USA","institution_ids":["https://openalex.org/I103163165"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101697833","display_name":"Shenshen Li","orcid":"https://orcid.org/0000-0003-4954-1759"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shenshen Li","raw_affiliation_strings":["The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108117231","display_name":"Ying Zhang","orcid":"https://orcid.org/0000-0001-5856-1052"},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying Zhang","raw_affiliation_strings":["The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113750296","display_name":"Liangfu Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I19820366","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Liangfu Chen","raw_affiliation_strings":["The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China"],"affiliations":[{"raw_affiliation_string":"The State Key Laboratory of Remote Sensing Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I4210128053","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100631599"],"corresponding_institution_ids":["https://openalex.org/I4210144776","https://openalex.org/I4210144891","https://openalex.org/I66946132"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.3134,"has_fulltext":true,"cited_by_count":23,"citation_normalized_percentile":{"value":0.79786642,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"11","issue":"8","first_page":"964","last_page":"964"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11588","display_name":"Atmospheric and Environmental Gas Dynamics","score":1.0,"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":0.9980999827384949,"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/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9943000078201294,"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/troposphere","display_name":"Troposphere","score":0.8288626670837402},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.7514371275901794},{"id":"https://openalex.org/keywords/atmospheric-methane","display_name":"Atmospheric methane","score":0.6570398211479187},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.6525627374649048},{"id":"https://openalex.org/keywords/methane","display_name":"Methane","score":0.6291606426239014},{"id":"https://openalex.org/keywords/atmosphere","display_name":"Atmosphere (unit)","score":0.5644253492355347},{"id":"https://openalex.org/keywords/lapse-rate","display_name":"Lapse rate","score":0.4873369634151459},{"id":"https://openalex.org/keywords/atmospheric-infrared-sounder","display_name":"Atmospheric Infrared Sounder","score":0.4696613550186157},{"id":"https://openalex.org/keywords/greenhouse-gas","display_name":"Greenhouse gas","score":0.44719624519348145},{"id":"https://openalex.org/keywords/planetary-boundary-layer","display_name":"Planetary boundary layer","score":0.42235898971557617},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.26180416345596313},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15944147109985352},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10709288716316223},{"id":"https://openalex.org/keywords/chemistry","display_name":"Chemistry","score":0.08064398169517517}],"concepts":[{"id":"https://openalex.org/C9075549","wikidata":"https://www.wikidata.org/wiki/Q40631","display_name":"Troposphere","level":2,"score":0.8288626670837402},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7514371275901794},{"id":"https://openalex.org/C86714428","wikidata":"https://www.wikidata.org/wiki/Q4817113","display_name":"Atmospheric methane","level":3,"score":0.6570398211479187},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.6525627374649048},{"id":"https://openalex.org/C516920438","wikidata":"https://www.wikidata.org/wiki/Q37129","display_name":"Methane","level":2,"score":0.6291606426239014},{"id":"https://openalex.org/C65440619","wikidata":"https://www.wikidata.org/wiki/Q177974","display_name":"Atmosphere (unit)","level":2,"score":0.5644253492355347},{"id":"https://openalex.org/C186816422","wikidata":"https://www.wikidata.org/wiki/Q66900467","display_name":"Lapse rate","level":2,"score":0.4873369634151459},{"id":"https://openalex.org/C2779067591","wikidata":"https://www.wikidata.org/wiki/Q3628987","display_name":"Atmospheric Infrared Sounder","level":3,"score":0.4696613550186157},{"id":"https://openalex.org/C47737302","wikidata":"https://www.wikidata.org/wiki/Q167336","display_name":"Greenhouse gas","level":2,"score":0.44719624519348145},{"id":"https://openalex.org/C86338904","wikidata":"https://www.wikidata.org/wiki/Q1757268","display_name":"Planetary boundary layer","level":3,"score":0.42235898971557617},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.26180416345596313},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15944147109985352},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10709288716316223},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.08064398169517517},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C196558001","wikidata":"https://www.wikidata.org/wiki/Q190132","display_name":"Turbulence","level":2,"score":0.0},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs11080964","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11080964","pdf_url":"https://www.mdpi.com/2072-4292/11/8/964/pdf?version=1555992909","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:9aa365e01c8f4b7b904d9bfe9d7716d5","is_oa":true,"landing_page_url":"https://doaj.org/article/9aa365e01c8f4b7b904d9bfe9d7716d5","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 11, Iss 8, p 964 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/11/8/964/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs11080964","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 11; Issue 8; Pages: 964","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs11080964","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs11080964","pdf_url":"https://www.mdpi.com/2072-4292/11/8/964/pdf?version=1555992909","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":[{"display_name":"Life below water","score":0.8100000023841858,"id":"https://metadata.un.org/sdg/14"}],"awards":[{"id":"https://openalex.org/G1079294408","display_name":null,"funder_award_id":"41771390","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1687196235","display_name":null,"funder_award_id":"NAG5-12247","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G8063107057","display_name":null,"funder_award_id":"NNX14AI60G","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G8096081122","display_name":null,"funder_award_id":"NNG05-GD07G","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G8481125083","display_name":null,"funder_award_id":"NNX11AG01G","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"}],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"},{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320310376","display_name":"National Institute of Water and Atmospheric Research","ror":"https://ror.org/04hxcaz34"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320332181","display_name":"National Oceanic and Atmospheric Administration","ror":"https://ror.org/02z5nhe81"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2940898060.pdf","grobid_xml":"https://content.openalex.org/works/W2940898060.grobid-xml"},"referenced_works_count":49,"referenced_works":["https://openalex.org/W229864831","https://openalex.org/W1505655419","https://openalex.org/W1547591757","https://openalex.org/W1809408372","https://openalex.org/W1838824464","https://openalex.org/W1944353822","https://openalex.org/W1965446559","https://openalex.org/W1991391147","https://openalex.org/W1995029345","https://openalex.org/W1995301609","https://openalex.org/W2007221293","https://openalex.org/W2009315682","https://openalex.org/W2015078932","https://openalex.org/W2032071354","https://openalex.org/W2032075214","https://openalex.org/W2037620890","https://openalex.org/W2058522703","https://openalex.org/W2067824444","https://openalex.org/W2069079447","https://openalex.org/W2073428227","https://openalex.org/W2088202114","https://openalex.org/W2092156163","https://openalex.org/W2096174294","https://openalex.org/W2097942545","https://openalex.org/W2106719608","https://openalex.org/W2110465139","https://openalex.org/W2114193021","https://openalex.org/W2114641640","https://openalex.org/W2120390927","https://openalex.org/W2132199864","https://openalex.org/W2136235394","https://openalex.org/W2138048360","https://openalex.org/W2138504084","https://openalex.org/W2149662495","https://openalex.org/W2150582019","https://openalex.org/W2157723159","https://openalex.org/W2164456774","https://openalex.org/W2166965848","https://openalex.org/W2169912269","https://openalex.org/W2170406100","https://openalex.org/W2469101276","https://openalex.org/W2476243499","https://openalex.org/W2524578103","https://openalex.org/W2528367698","https://openalex.org/W2588786075","https://openalex.org/W2745640925","https://openalex.org/W2916956085","https://openalex.org/W2986345846","https://openalex.org/W3043399717"],"related_works":["https://openalex.org/W3171815194","https://openalex.org/W2115342514","https://openalex.org/W2054095635","https://openalex.org/W2149043244","https://openalex.org/W3039529404","https://openalex.org/W4229995521","https://openalex.org/W2901033260","https://openalex.org/W4243388234","https://openalex.org/W2321842387","https://openalex.org/W1966606998"],"abstract_inverted_index":{"It":[0],"has":[1,11],"been":[2],"found":[3],"that":[4,246,260,294],"the":[5,24,36,52,63,70,76,80,85,88,99,103,107,121,124,133,137,143,160,180,188,202,212,220,228,235,240,247,256,281,287,291,295,298,305,315],"concentration":[6,22],"of":[7,19,38,126,132,185,234,249,280,297,300],"atmospheric":[8],"methane":[9],"(CH4)":[10],"rapidly":[12],"increased":[13,183],"since":[14],"2007":[15,165],"after":[16,174],"a":[17,47,209],"decade":[18],"nearly":[20],"constant":[21],"in":[23,87,102,136,158,164,187,199,211,217,227,304,314],"atmosphere.":[25],"As":[26],"an":[27,32,170],"important":[28],"greenhouse":[29],"gas,":[30],"such":[31],"increase":[33,163,173,213,222,233,302],"could":[34],"enhance":[35],"threat":[37],"global":[39],"warming.":[40],"To":[41],"better":[42],"quantify":[43],"this":[44],"increasing":[45],"trend,":[46],"novel":[48],"statistic":[49],"method,":[50,58],"i.e.":[51],"Ensemble":[53],"Empirical":[54],"Mode":[55],"Decomposition":[56],"(EEMD)":[57],"was":[59,208,224],"used":[60],"to":[61,285],"analyze":[62],"CH4":[64,73,86,101,134,162,186,198,216,237,250,301],"trends":[65,135,155,248],"from":[66,75,93,106,146],"three":[67,148],"different":[68],"measurements:":[69],"mid\u2013upper":[71,138],"tropospheric":[72],"(MUT)":[74],"space-borne":[77],"measurements":[78],"by":[79,192,255,266],"Atmospheric":[81,127],"Infrared":[82],"Sounder":[83],"(AIRS),":[84],"marine":[89],"boundary":[90],"layer":[91],"(MBL)":[92],"NOAA":[94],"ground-based":[95,108],"in-situ":[96],"measurements,":[97],"and":[98,120,142,169,201,219,271,290,317],"column-averaged":[100],"atmosphere":[104],"(XCH4)":[105],"up-looking":[109],"Fourier":[110],"Transform":[111],"Spectrometers":[112],"at":[113],"Total":[114],"Carbon":[115],"Column":[116],"Observing":[117],"Network":[118,122],"(TCCON)":[119],"for":[123,215],"Detection":[125],"Composition":[128],"Change":[129],"(NDACC).":[130],"Comparison":[131],"troposphere,":[139,141],"lower":[140],"column":[144],"average":[145],"these":[147,154],"data":[149],"sets":[150],"shows":[151],"that,":[152],"overall,":[153],"agree":[156],"well":[157],"capturing":[159],"abrupt":[161],"(the":[166,176],"first":[167],"peak)":[168,178],"even":[171],"faster":[172],"2013":[175],"second":[177],"over":[179],"globe.":[181],"The":[182,232],"rates":[184,303],"MUT,":[189],"as":[190],"observed":[191],"AIRS,":[193],"are":[194,251],"overall":[195],"smaller":[196],"than":[197,312],"MBL":[200],"column-average":[203,236],"CH4.":[204],"During":[205],"2009\u20132011,":[206],"there":[207],"dip":[210],"rate":[214,223,289],"MBL,":[218],"MUT-CH4":[221],"almost":[225],"negligible":[226],"mid-high":[229],"latitude":[230,308],"regions.":[231],"also":[238,262],"reached":[239],"minimum":[241],"during":[242],"2009\u20132011":[243],"accordingly,":[244],"suggesting":[245],"not":[252],"only":[253],"impacted":[254,265],"surface":[257],"emission,":[258],"however":[259],"they":[261],"may":[263],"be":[264],"other":[267],"processes":[268],"like":[269],"transport":[270],"chemical":[272],"reaction":[273],"loss":[274],"associated":[275],"with":[276],"[OH].":[277],"One":[278],"advantage":[279],"EEMD":[282],"analysis":[283],"is":[284,310],"derive":[286],"monthly":[288],"results":[292],"show":[293],"frequency":[296],"variability":[299],"mid\u2013high":[306],"northern":[307],"regions":[309],"larger":[311],"those":[313],"tropics":[316],"southern":[318],"hemisphere.":[319]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2019-05-03T00:00:00"}