{"id":"https://openalex.org/W3028981141","doi":"https://doi.org/10.3390/rs12111699","title":"Comprehensive Evaluation of Using TechDemoSat-1 and CYGNSS Data to Estimate Soil Moisture over Mainland China","display_name":"Comprehensive Evaluation of Using TechDemoSat-1 and CYGNSS Data to Estimate Soil Moisture over Mainland China","publication_year":2020,"publication_date":"2020-05-26","ids":{"openalex":"https://openalex.org/W3028981141","doi":"https://doi.org/10.3390/rs12111699","mag":"3028981141"},"language":"en","primary_location":{"id":"doi:10.3390/rs12111699","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12111699","pdf_url":"https://www.mdpi.com/2072-4292/12/11/1699/pdf?version=1590907222","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/2072-4292/12/11/1699/pdf?version=1590907222","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5103230609","display_name":"Ting Yang","orcid":"https://orcid.org/0000-0002-5485-8243"},"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":"Ting Yang","raw_affiliation_strings":["CAS Engineering Laboratory for Yellow River Delta Modern Agriculture, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","Shandong Dongying Institute of Geographic Sciences, Dongying 257000, China"],"affiliations":[{"raw_affiliation_string":"CAS Engineering Laboratory for Yellow River Delta Modern Agriculture, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Shandong Dongying Institute of Geographic Sciences, Dongying 257000, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100784792","display_name":"Wei Wan","orcid":"https://orcid.org/0000-0002-7925-1210"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Wan","raw_affiliation_strings":["Engineering Research Center of Earth Observation and Navigation (CEON), Ministry of Education of the PRC, Peking University, Beijing 100871, China","Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China"],"affiliations":[{"raw_affiliation_string":"Engineering Research Center of Earth Observation and Navigation (CEON), Ministry of Education of the PRC, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5058071048","display_name":"Zhigang Sun","orcid":"https://orcid.org/0000-0003-1705-1165"},"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"]},{"id":"https://openalex.org/I4210165038","display_name":"University of Chinese Academy of Sciences","ror":"https://ror.org/05qbk4x57","country_code":"CN","type":"education","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210165038"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhigang Sun","raw_affiliation_strings":["CAS Engineering Laboratory for Yellow River Delta Modern Agriculture, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China","Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","Shandong Dongying Institute of Geographic Sciences, Dongying 257000, China"],"affiliations":[{"raw_affiliation_string":"CAS Engineering Laboratory for Yellow River Delta Modern Agriculture, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]},{"raw_affiliation_string":"College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]},{"raw_affiliation_string":"Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China","institution_ids":["https://openalex.org/I4210160793","https://openalex.org/I19820366"]},{"raw_affiliation_string":"Shandong Dongying Institute of Geographic Sciences, Dongying 257000, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064633145","display_name":"Baojian Liu","orcid":"https://orcid.org/0000-0002-2390-2889"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Baojian Liu","raw_affiliation_strings":["Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China"],"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100444232","display_name":"Sen Li","orcid":"https://orcid.org/0000-0001-7850-1866"},"institutions":[{"id":"https://openalex.org/I141301092","display_name":"China Meteorological Administration","ror":"https://ror.org/00bx3rb98","country_code":"CN","type":"government","lineage":["https://openalex.org/I141301092"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Sen Li","raw_affiliation_strings":["National Meteorological Center, China Meteorological Administration, Beijing 100081, China"],"affiliations":[{"raw_affiliation_string":"National Meteorological Center, China Meteorological Administration, Beijing 100081, China","institution_ids":["https://openalex.org/I141301092"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110038361","display_name":"Xiuwan Chen","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiuwan Chen","raw_affiliation_strings":["Engineering Research Center of Earth Observation and Navigation (CEON), Ministry of Education of the PRC, Peking University, Beijing 100871, China","Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China"],"affiliations":[{"raw_affiliation_string":"Engineering Research Center of Earth Observation and Navigation (CEON), Ministry of Education of the PRC, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]},{"raw_affiliation_string":"Institute of Remote Sensing and GIS, School of Earth and Space Sciences, Peking University, Beijing 100871, China","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100784792"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.0157,"has_fulltext":true,"cited_by_count":52,"citation_normalized_percentile":{"value":0.90820077,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"12","issue":"11","first_page":"1699","last_page":"1699"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":1.0,"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/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9948999881744385,"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/T11333","display_name":"Climate change and permafrost","score":0.9821000099182129,"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/mainland-china","display_name":"Mainland China","score":0.5526540279388428},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5030800700187683},{"id":"https://openalex.org/keywords/china","display_name":"China","score":0.3869681656360626},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.3076455891132355}],"concepts":[{"id":"https://openalex.org/C107029721","wikidata":"https://www.wikidata.org/wiki/Q19188","display_name":"Mainland China","level":3,"score":0.5526540279388428},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5030800700187683},{"id":"https://openalex.org/C191935318","wikidata":"https://www.wikidata.org/wiki/Q148","display_name":"China","level":2,"score":0.3869681656360626},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.3076455891132355},{"id":"https://openalex.org/C166957645","wikidata":"https://www.wikidata.org/wiki/Q23498","display_name":"Archaeology","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs12111699","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12111699","pdf_url":"https://www.mdpi.com/2072-4292/12/11/1699/pdf?version=1590907222","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:838da25fcad847afa7fb6c83c9164ded","is_oa":true,"landing_page_url":"https://doaj.org/article/838da25fcad847afa7fb6c83c9164ded","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 12, Iss 11, p 1699 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/12/11/1699/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs12111699","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/rs12111699","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12111699","pdf_url":"https://www.mdpi.com/2072-4292/12/11/1699/pdf?version=1590907222","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":[{"score":0.5600000023841858,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"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/G1356514951","display_name":null,"funder_award_id":"41971","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G149406448","display_name":null,"funder_award_id":"41971377","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1988635744","display_name":null,"funder_award_id":"2017YFC0503805","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G2000317257","display_name":null,"funder_award_id":"2017YFD0300101","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G2021613359","display_name":null,"funder_award_id":"No. 41971377","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/G2469887140","display_name":null,"funder_award_id":"2017YFD0300101","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2881128167","display_name":null,"funder_award_id":"050102","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3085993365","display_name":null,"funder_award_id":"(Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3288033590","display_name":null,"funder_award_id":"XDA19040303","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"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/G3418717478","display_name":null,"funder_award_id":"XDA23050102","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"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/G458601705","display_name":null,"funder_award_id":"050102","funder_id":"https://openalex.org/F4320321133","funder_display_name":"Chinese Academy of Sciences"},{"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/G5053610798","display_name":null,"funder_award_id":"2017YFC","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G5565363648","display_name":null,"funder_award_id":"4197137","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/G6258415954","display_name":null,"funder_award_id":"Chinese","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7608707260","display_name":null,"funder_award_id":"41501360","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7726157001","display_name":null,"funder_award_id":"Grant No.","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/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/G8819290369","display_name":null,"funder_award_id":"2017YFC0503805","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/F4320321133","display_name":"Chinese Academy of Sciences","ror":"https://ror.org/034t30j35"},{"id":"https://openalex.org/F4320321569","display_name":"China Meteorological Administration","ror":"https://ror.org/00bx3rb98"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3028981141.pdf","grobid_xml":"https://content.openalex.org/works/W3028981141.grobid-xml"},"referenced_works_count":46,"referenced_works":["https://openalex.org/W1533384740","https://openalex.org/W1660767182","https://openalex.org/W1840723247","https://openalex.org/W1964610703","https://openalex.org/W1968015368","https://openalex.org/W1972568755","https://openalex.org/W1990484989","https://openalex.org/W2022585320","https://openalex.org/W2039348932","https://openalex.org/W2096140206","https://openalex.org/W2105440553","https://openalex.org/W2105782107","https://openalex.org/W2107437432","https://openalex.org/W2110799383","https://openalex.org/W2132549823","https://openalex.org/W2141098993","https://openalex.org/W2149723649","https://openalex.org/W2168872978","https://openalex.org/W2308425384","https://openalex.org/W2328923540","https://openalex.org/W2329472099","https://openalex.org/W2486430858","https://openalex.org/W2524127322","https://openalex.org/W2529858031","https://openalex.org/W2582059183","https://openalex.org/W2590407554","https://openalex.org/W2601878298","https://openalex.org/W2604190572","https://openalex.org/W2619223975","https://openalex.org/W2625413745","https://openalex.org/W2765453548","https://openalex.org/W2802220396","https://openalex.org/W2806999654","https://openalex.org/W2807836695","https://openalex.org/W2886854197","https://openalex.org/W2889445772","https://openalex.org/W2900605310","https://openalex.org/W2901682752","https://openalex.org/W2937021862","https://openalex.org/W2947703530","https://openalex.org/W2978354175","https://openalex.org/W2983186741","https://openalex.org/W2987192344","https://openalex.org/W6722498943","https://openalex.org/W6727135236","https://openalex.org/W6746841288"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2350270224","https://openalex.org/W2354620178","https://openalex.org/W600967366","https://openalex.org/W4403952488","https://openalex.org/W2383989146","https://openalex.org/W2351486628","https://openalex.org/W2390481881","https://openalex.org/W2791039681","https://openalex.org/W2329255431"],"abstract_inverted_index":{"Spaceborne":[0],"Global":[1,47],"Navigation":[2,48],"Satellite":[3,49],"System":[4,50],"Reflectometry":[5],"(GNSS-R)":[6],"provides":[7],"a":[8,59,68,109,119,280],"new":[9,269],"opportunity":[10],"for":[11,52,86,174,188,237,251],"land":[12],"observation.":[13],"This":[14],"study":[15,257],"is":[16],"the":[17,23,26,39,44,78,87,156,212,216,262],"first":[18],"to":[19,117,133,274],"compare":[20],"and":[21,43,62,84,136,148,151,169,183,232,246,261,270,283],"evaluate":[22],"performance":[24],"of":[25],"only":[27],"two":[28,79,126],"spaceborne":[29,264],"GNSS-R":[30,265],"satellite":[31],"missions":[32],"whose":[33],"data":[34,80,122,201,272,277],"are":[35],"publicly":[36],"available,":[37],"i.e.,":[38],"UK\u2019s":[40],"TechdemoSat-1":[41],"(TDS-1)":[42],"US\u2019s":[45],"Cyclone":[46],"(CYGNSS),":[51],"sensitivity":[53,76],"analysis":[54],"with":[55,155,221,284],"SMAP":[56,157],"SM":[57,107,138,158,200,213,224,276],"on":[58,67],"daily":[60,75],"basis":[61,70],"soil":[63],"moisture":[64],"(SM)":[65],"estimates":[66],"monthly":[69,106,197],"over":[71,140],"Mainland":[72,141,160,206],"China.":[73,142,207],"For":[74,105],"analysis,":[77],"were":[81,193],"matched":[82],"up":[83],"compared":[85],"period":[88],"(i.e.,":[89],"May":[90],"2017":[91],"through":[92],"April":[93],"2018)":[94],"when":[95],"they":[96],"coexisted":[97],"(R":[98,162,225],"=":[99,103,163,166,171,177,180,185,226,229,234,240,243,248],"0.561":[100],"vs.":[101],"R":[102,176,239],"0.613).":[104],"estimates,":[108],"back-propagation":[110],"artificial":[111],"neural":[112],"network":[113],"(BP-ANN)":[114],"was":[115,130,209],"used":[116,132],"construct":[118],"model":[120,129],"using":[121,196],"from":[123,202,215],"more":[124],"than":[125],"years.":[127],"The":[128,143,190,253],"subsequently":[131],"derive":[134],"long-term":[135],"continuous":[137],"maps":[139],"results":[144,192,254],"showed":[145],"that":[146,211,259],"TDS-1":[147],"CYGNSS":[149],"agree":[150],"correlate":[152],"very":[153],"well":[154,220],"in":[159,198,222,255],"China":[161],"0.676,":[164],"MAE":[165,179,228,242],"0.052":[167,244],"m3m\u22123,":[168,182,231,245],"ubRMSE":[170,184,233,247],"0.060":[172],"m3m\u22123":[173,187,236,250],"TDS-1;":[175,238],"0.798,":[178],"0.040":[181],"0.062":[186],"CYGNSS).":[189,252],"retrieved":[191],"further":[194],"validated":[195],"situ":[199,223],"dense":[203],"sites":[204],"across":[205],"It":[208],"found":[210],"derived":[214],"TDS-1/CYGNSS":[217,260],"also":[218],"correlated":[219],"0.687,":[227],"0.066":[230],"0.056":[235],"0.724,":[241],"0.053":[249],"this":[256],"suggested":[258],"upcoming":[263],"mission":[266],"could":[267],"be":[268],"powerful":[271],"sources":[273],"produce":[275],"set":[278],"at":[279],"large":[281],"scale":[282],"relatively":[285],"high":[286],"precision.":[287]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":9},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":11},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":2}],"updated_date":"2026-04-13T07:58:08.660418","created_date":"2025-10-10T00:00:00"}