{"id":"https://openalex.org/W3174370127","doi":"https://doi.org/10.3390/rs13132491","title":"An Improved Method for Pan-Tropical Above-Ground Biomass and Canopy Height Retrieval Using CYGNSS","display_name":"An Improved Method for Pan-Tropical Above-Ground Biomass and Canopy Height Retrieval Using CYGNSS","publication_year":2021,"publication_date":"2021-06-25","ids":{"openalex":"https://openalex.org/W3174370127","doi":"https://doi.org/10.3390/rs13132491","mag":"3174370127"},"language":"en","primary_location":{"id":"doi:10.3390/rs13132491","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132491","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2491/pdf?version=1624865985","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/2072-4292/13/13/2491/pdf?version=1624865985","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010723678","display_name":"Fade Chen","orcid":"https://orcid.org/0009-0009-4246-179X"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fade Chen","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100334114","display_name":"Fei Guo","orcid":"https://orcid.org/0000-0002-7275-6937"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Fei Guo","raw_affiliation_strings":["School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"School of Geodesy and Geomatics, Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103267338","display_name":"Lilong Liu","orcid":"https://orcid.org/0000-0001-6437-3701"},"institutions":[{"id":"https://openalex.org/I38706770","display_name":"Guilin University of Technology","ror":"https://ror.org/03z391397","country_code":"CN","type":"education","lineage":["https://openalex.org/I38706770"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lilong Liu","raw_affiliation_strings":["College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China","Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin 541004, China"],"affiliations":[{"raw_affiliation_string":"College of Geomatics and Geoinformation, Guilin University of Technology, Guilin 541004, China","institution_ids":["https://openalex.org/I38706770"]},{"raw_affiliation_string":"Guangxi Key Laboratory of Spatial Information and Geomatics, Guilin 541004, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5068381476","display_name":"Yang Nan","orcid":"https://orcid.org/0000-0002-9101-4007"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Nan","raw_affiliation_strings":["GNSS Research Center, Wuhan University, Wuhan 430079, China"],"affiliations":[{"raw_affiliation_string":"GNSS Research Center, Wuhan University, Wuhan 430079, China","institution_ids":["https://openalex.org/I37461747"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100334114"],"corresponding_institution_ids":["https://openalex.org/I37461747"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.0061,"has_fulltext":true,"cited_by_count":18,"citation_normalized_percentile":{"value":0.72149294,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":"13","issue":"13","first_page":"2491","last_page":"2491"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9878000020980835,"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":0.9868999719619751,"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/mean-squared-error","display_name":"Mean squared error","score":0.6607010364532471},{"id":"https://openalex.org/keywords/correlation-coefficient","display_name":"Correlation coefficient","score":0.6474288702011108},{"id":"https://openalex.org/keywords/observable","display_name":"Observable","score":0.5460964441299438},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5323800444602966},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5085119009017944},{"id":"https://openalex.org/keywords/range","display_name":"Range (aeronautics)","score":0.4540770947933197},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.39521944522857666},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.3769821226596832},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3344111144542694},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.2372380495071411},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10803920030593872},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.09813433885574341}],"concepts":[{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.6607010364532471},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.6474288702011108},{"id":"https://openalex.org/C32848918","wikidata":"https://www.wikidata.org/wiki/Q845789","display_name":"Observable","level":2,"score":0.5460964441299438},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5323800444602966},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5085119009017944},{"id":"https://openalex.org/C204323151","wikidata":"https://www.wikidata.org/wiki/Q905424","display_name":"Range (aeronautics)","level":2,"score":0.4540770947933197},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.39521944522857666},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.3769821226596832},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3344111144542694},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.2372380495071411},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10803920030593872},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.09813433885574341},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","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}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs13132491","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132491","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2491/pdf?version=1624865985","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:81d32509d2d8499284b50003ac1880e4","is_oa":true,"landing_page_url":"https://doaj.org/article/81d32509d2d8499284b50003ac1880e4","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 2491 (2021)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/13/13/2491/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs13132491","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/rs13132491","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs13132491","pdf_url":"https://www.mdpi.com/2072-4292/13/13/2491/pdf?version=1624865985","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","score":0.5199999809265137,"display_name":"Life in Land"}],"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/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/G2870525900","display_name":null,"funder_award_id":"Wuhan","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G434613143","display_name":null,"funder_award_id":"2017YFB0503402","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program 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/G5099708587","display_name":null,"funder_award_id":"42064002","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/G675968970","display_name":null,"funder_award_id":"42074029","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6929710018","display_name":null,"funder_award_id":"41825009","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7294327900","display_name":null,"funder_award_id":"2017YFB0503402","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/G8823009050","display_name":null,"funder_award_id":"2017YFB","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/F4320324116","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3174370127.pdf","grobid_xml":"https://content.openalex.org/works/W3174370127.grobid-xml"},"referenced_works_count":58,"referenced_works":["https://openalex.org/W1840723247","https://openalex.org/W1970253947","https://openalex.org/W1977531189","https://openalex.org/W1979144473","https://openalex.org/W1980403882","https://openalex.org/W1981263865","https://openalex.org/W2022050692","https://openalex.org/W2030209988","https://openalex.org/W2035100408","https://openalex.org/W2036393665","https://openalex.org/W2045249129","https://openalex.org/W2075373322","https://openalex.org/W2093540905","https://openalex.org/W2094738700","https://openalex.org/W2101748122","https://openalex.org/W2106530591","https://openalex.org/W2107474547","https://openalex.org/W2107580583","https://openalex.org/W2109191549","https://openalex.org/W2113521108","https://openalex.org/W2119119065","https://openalex.org/W2125706195","https://openalex.org/W2133920545","https://openalex.org/W2136245122","https://openalex.org/W2143010534","https://openalex.org/W2151441590","https://openalex.org/W2153601600","https://openalex.org/W2154106574","https://openalex.org/W2155411643","https://openalex.org/W2159334193","https://openalex.org/W2166394891","https://openalex.org/W2188767531","https://openalex.org/W2252695021","https://openalex.org/W2308425384","https://openalex.org/W2343817096","https://openalex.org/W2560452920","https://openalex.org/W2760677139","https://openalex.org/W2774327481","https://openalex.org/W2889842608","https://openalex.org/W2912094294","https://openalex.org/W2947703530","https://openalex.org/W2966758915","https://openalex.org/W2968955748","https://openalex.org/W2972253584","https://openalex.org/W2978354175","https://openalex.org/W2978496333","https://openalex.org/W2985517703","https://openalex.org/W3008060144","https://openalex.org/W3011237512","https://openalex.org/W3013137649","https://openalex.org/W3020649642","https://openalex.org/W3022780227","https://openalex.org/W3025892469","https://openalex.org/W3048947513","https://openalex.org/W3159033278","https://openalex.org/W6659204629","https://openalex.org/W6677494780","https://openalex.org/W6754420787"],"related_works":["https://openalex.org/W1994680671","https://openalex.org/W2000283393","https://openalex.org/W2002320543","https://openalex.org/W2347729776","https://openalex.org/W2081457971","https://openalex.org/W2061947244","https://openalex.org/W2028659695","https://openalex.org/W2150232912","https://openalex.org/W4382982879","https://openalex.org/W4311044000"],"abstract_inverted_index":{"An":[0],"improved":[1,99,218,229],"method":[2,100,219,230],"for":[3,255],"retrieving":[4],"Above-ground":[5],"Biomass":[6],"(AGB)":[7],"and":[8,31,50,68,126,144,150,184,190],"Canopy":[9],"Height":[10],"(CH)":[11],"based":[12],"on":[13],"an":[14,60],"observable":[15,36,76,84],"from":[16,25,38],"Cyclone":[17],"Global":[18],"Navigation":[19],"Satellite":[20],"System":[21],"(CYGNSS),":[22],"soil":[23,48],"moisture":[24,49],"Soil":[26],"Moisture":[27],"Active":[28],"Passive":[29],"(SMAP)":[30],"location":[32,52],"is":[33,40,85,167,175,202,210,237],"proposed.":[34],"The":[35,45,70,94,200,214,245],"derived":[37],"CYGNSS":[39,46,75],"more":[41,86],"sensitive":[42,87],"to":[43,65,77,88,157,197],"vegetation.":[44,244],"observable,":[47],"the":[51,56,74,82,91,98,110,115,120,129,138,153,162,165,172,182,193,207,217,225,228,232,240,251],"are":[53,147,187],"used":[54],"as":[55,259,261],"input":[57],"features":[58],"of":[59,73,97,109,122,131,155,195,216,227,253],"Artificial":[61],"Neural":[62],"Network":[63],"(ANN)":[64],"retrieve":[66],"AGB":[67,118,136],"CH.":[69],"sensitivity":[71],"analysis":[72,215],"target":[78],"parameters":[79],"shows":[80,223],"that":[81,102,108,224],"proposed":[83],"AGB/CH":[89,95,257],"than":[90,107,239],"conventional":[92],"observable.":[93],"retrievals":[96,258],"show":[101],"it":[103],"has":[104],"better":[105,238],"performance":[106,226],"traditional":[111,163],"method,":[112,164],"especially":[113],"in":[114,119,128,152,192,220],"areas":[116,222],"with":[117,161,234,242],"range":[121,130,154,194],"0":[123,132,156,196],"to100":[124],"Mg/ha":[125,149],"CH":[127,180],"to10":[133],"m.":[134,199],"For":[135,179],"retrievals,":[137,181],"root":[139],"mean":[140],"square":[141],"error":[142],"(RMSE)":[143],"correlation":[145,173,185,208],"coefficient":[146,174,186,209],"64.84":[148],"0.80":[151],"550":[158],"Mg/ha.":[159],"Compared":[160],"RMSE":[166,183,201],"decreased":[168,203],"by":[169,177,204,212],"11.63%,":[170],"while":[171,206],"increased":[176,211],"5.26%.":[178],"5.97":[188],"m":[189],"0.83":[191],"45":[198],"12.59%,":[205],"5.06%.":[213],"different":[221,262],"over":[231],"area":[233,241],"high":[235],"vegetation":[236],"low":[243],"results":[246],"obtained":[247],"here":[248],"further":[249],"strengthens":[250],"capability":[252],"GNSS-R":[254],"global":[256],"well":[260],"land":[263],"cover":[264],"areas.":[265]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}