{"id":"https://openalex.org/W2028802098","doi":"https://doi.org/10.1109/jstars.2012.2195640","title":"Spatial and Temporal Variations of Lower Tropospheric Methane During 2010\u20132011 in China","display_name":"Spatial and Temporal Variations of Lower Tropospheric Methane During 2010\u20132011 in China","publication_year":2012,"publication_date":"2012-10-01","ids":{"openalex":"https://openalex.org/W2028802098","doi":"https://doi.org/10.1109/jstars.2012.2195640","mag":"2028802098"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2012.2195640","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2012.2195640","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5072161126","display_name":"Yuyue Xu","orcid":"https://orcid.org/0000-0002-5000-4232"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"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/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}],"countries":["CN","HK"],"is_corresponding":true,"raw_author_name":"Yuyue Xu","raw_affiliation_strings":["Department of Geography and Resource Management, Chinese University of Hong Kong, Sha Tin, New Territories, Hong Kong, China","Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences, Beijing, Beijing, CN"],"affiliations":[{"raw_affiliation_string":"Department of Geography and Resource Management, Chinese University of Hong Kong, Sha Tin, New Territories, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences, Beijing, Beijing, CN","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037249071","display_name":"Juanle Wang","orcid":"https://orcid.org/0000-0002-5641-0813"},"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/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Juanle Wang","raw_affiliation_strings":["State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and NaturalResources Research, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and NaturalResources Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Jiulin Sun","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/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiulin Sun","raw_affiliation_strings":["State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and NaturalResources Research, Chinese Academy of Sciences, Beijing, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Resources and Environmental Information System, Institute of Geographic Sciences and NaturalResources Research, Chinese Academy of Sciences, Beijing, China","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006545495","display_name":"Yong Xu","orcid":"https://orcid.org/0000-0002-9933-024X"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"HK","type":"education","lineage":["https://openalex.org/I177725633"]},{"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/I4210160793","display_name":"Institute of Geographic Sciences and Natural Resources Research","ror":"https://ror.org/04t1cdb72","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210160793"]}],"countries":["CN","HK"],"is_corresponding":false,"raw_author_name":"Yong Xu","raw_affiliation_strings":["Department of Geography and Resource Management, Chinese University of Hong Kong, Sha Tin, New Territories, Hong Kong, China","Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences, Beijing, Beijing, CN"],"affiliations":[{"raw_affiliation_string":"Department of Geography and Resource Management, Chinese University of Hong Kong, Sha Tin, New Territories, Hong Kong, China","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Institute of Geographic Sciences and Natural Resources Research Chinese Academy of Sciences, Beijing, Beijing, CN","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112340955","display_name":"W. Harris","orcid":null},"institutions":[{"id":"https://openalex.org/I2799419803","display_name":"Crown Research Institutes","ror":"https://ror.org/00t28mr39","country_code":"NZ","type":"government","lineage":["https://openalex.org/I2799419803"]},{"id":"https://openalex.org/I86609021","display_name":"Manaaki Whenua \u2013 Landcare Research","ror":"https://ror.org/02p9cyn66","country_code":"NZ","type":"government","lineage":["https://openalex.org/I4405260297","https://openalex.org/I86609021"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Warwick Harris","raw_affiliation_strings":["Landcare Research, New Zealand Crown Research Institute, Lincoln, New Zealand"],"affiliations":[{"raw_affiliation_string":"Landcare Research, New Zealand Crown Research Institute, Lincoln, New Zealand","institution_ids":["https://openalex.org/I2799419803","https://openalex.org/I86609021"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5072161126"],"corresponding_institution_ids":["https://openalex.org/I177725633","https://openalex.org/I19820366","https://openalex.org/I4210160793"],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":0.2294,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.62020541,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"5","issue":"5","first_page":"1464","last_page":"1473"},"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/T11320","display_name":"Atmospheric Ozone and Climate","score":0.9930999875068665,"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/T10075","display_name":"Atmospheric chemistry and aerosols","score":0.9882000088691711,"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":0.4239165484905243},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.39597007632255554},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3430250883102417},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.3296523690223694},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.17446368932724},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17184680700302124}],"concepts":[{"id":"https://openalex.org/C9075549","wikidata":"https://www.wikidata.org/wiki/Q40631","display_name":"Troposphere","level":2,"score":0.4239165484905243},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.39597007632255554},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3430250883102417},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.3296523690223694},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.17446368932724},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17184680700302124}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/jstars.2012.2195640","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2012.2195640","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:ir.igsnrr.ac.cn:311030/27811","is_oa":false,"landing_page_url":"http://192.168.22.105/handle/311030/27811","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"\u671f\u520a\u8bba\u6587"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.44999998807907104,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320306101","display_name":"National Aeronautics and Space Administration","ror":"https://ror.org/027ka1x80"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":39,"referenced_works":["https://openalex.org/W1563196180","https://openalex.org/W1663806133","https://openalex.org/W1977623333","https://openalex.org/W1999145117","https://openalex.org/W2001063623","https://openalex.org/W2014671722","https://openalex.org/W2015078932","https://openalex.org/W2022937528","https://openalex.org/W2024309208","https://openalex.org/W2032075214","https://openalex.org/W2034962691","https://openalex.org/W2058723831","https://openalex.org/W2068826958","https://openalex.org/W2069079447","https://openalex.org/W2071499476","https://openalex.org/W2086484507","https://openalex.org/W2087653536","https://openalex.org/W2088940068","https://openalex.org/W2092156163","https://openalex.org/W2096174294","https://openalex.org/W2110465139","https://openalex.org/W2112404610","https://openalex.org/W2113951164","https://openalex.org/W2116306771","https://openalex.org/W2122380404","https://openalex.org/W2132968007","https://openalex.org/W2136235394","https://openalex.org/W2137997351","https://openalex.org/W2143136164","https://openalex.org/W2149662495","https://openalex.org/W2157723159","https://openalex.org/W2159473023","https://openalex.org/W2161355009","https://openalex.org/W2166965848","https://openalex.org/W2169912269","https://openalex.org/W2170406100","https://openalex.org/W2522315451","https://openalex.org/W3162929933","https://openalex.org/W6679434191"],"related_works":["https://openalex.org/W2348334746","https://openalex.org/W2025920396","https://openalex.org/W2143738227","https://openalex.org/W1992332293","https://openalex.org/W4221127575","https://openalex.org/W2031573751","https://openalex.org/W2081132944","https://openalex.org/W2149357482","https://openalex.org/W1968140275","https://openalex.org/W2150850849"],"abstract_inverted_index":{"Estimates":[0],"of":[1,17,37,64,76,99,116,130,152,194,206,215],"methane":[2],"(CH":[3],"<sub":[4,39,53,101,118,154,196,217],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[5,40,54,102,119,155,197,218],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">4</sub>":[6,41,55,103,120,156,198,219],")":[7],"concentrations":[8,56,121,132,159,172],"in":[9,21,61,165,171,177],"the":[10,14,18,31,67,123,127,134],"lower":[11],"troposphere":[12,135],"over":[13,136],"land":[15,229],"surfaces":[16],"world,":[19],"and":[20,45,66,79,104,110,113,126,145,183,190,212,227],"more":[22],"detail":[23],"for":[24,58,122,133],"China,":[25],"were":[26,47,84,106,143,160,173],"derived":[27,138],"from":[28,30,69,86,139],"data":[29,142],"Atmospheric":[32],"Infrared":[33],"Sounder":[34],"(AIRS).":[35],"Derivation":[36],"CH":[38,52,100,117,153,195,216],"estimates":[42,98],"is":[43],"described,":[44],"these":[46,131],"validated":[48],"with":[49,147,202],"reference":[50,148,203],"to":[51,108,149,204,213],"analyzed":[57],"air":[59],"samples":[60],"three":[62,70,80],"regions":[63],"China":[65,137,187],"observations":[68,105],"global":[71,81],"baseline":[72,82],"sites.":[73],"The":[74,90,169],"values":[75],"sample":[77],"points":[78],"sites":[83],"extracted":[85],"remotely":[87,94,140],"sensed":[88,95,141],"images.":[89],"correlation":[91],"coefficients":[92],"between":[93,181,188],"geographical":[96],"point":[97],"equal":[107],"0.779":[109],"0.763.":[111],"Seasonal":[112],"monthly":[114],"variation":[115,129],"2010-2011":[124],"year":[125],"spatial":[128],"mapped":[144],"interpreted":[146],"possible":[150],"sources":[151,214],"emission.":[157],"Methane":[158],"about":[161,174],"15":[162],"ppb":[163,176],"higher":[164],"winter":[166],"than":[167],"summer.":[168],"changes":[170],"50":[175],"Inner":[178],"Mongolian":[179],"Plateau":[180],"September":[182],"October":[184],"2010,":[185],"northwest":[186],"February":[189],"March":[191],"2011.":[192],"Variations":[193],"concentration":[199],"are":[200],"considered":[201],"mixing":[205],"atmospheric":[207],"gases":[208],"by":[209],"oceanic":[210],"influences":[211],"emissions":[220],"including":[221],"vegetation":[222],"cover":[223],"particularly":[224],"wetland,":[225],"crop,":[226],"pastoral":[228],"use.":[230]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-04-21T08:09:41.155169","created_date":"2025-10-10T00:00:00"}