{"id":"https://openalex.org/W4389610336","doi":"https://doi.org/10.1109/tgrs.2023.3341956","title":"Estimating Aboveground Biomass of Alpine Grassland During the Wilting Period Using In Situ Hyperspectral, Sentinel-2, and Sentinel-1 Data","display_name":"Estimating Aboveground Biomass of Alpine Grassland During the Wilting Period Using In Situ Hyperspectral, Sentinel-2, and Sentinel-1 Data","publication_year":2023,"publication_date":"2023-12-12","ids":{"openalex":"https://openalex.org/W4389610336","doi":"https://doi.org/10.1109/tgrs.2023.3341956"},"language":"en","primary_location":{"id":"doi:10.1109/tgrs.2023.3341956","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3341956","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"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/A5101781853","display_name":"Rui Guo","orcid":"https://orcid.org/0000-0002-2574-4028"},"institutions":[{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Rui Guo","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103213442","display_name":"Jinlong Gao","orcid":"https://orcid.org/0000-0003-1188-8271"},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinlong Gao","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006924076","display_name":"Shuai Fu","orcid":"https://orcid.org/0000-0002-8338-0074"},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuai Fu","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037246525","display_name":"Yangjing Xiu","orcid":null},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yangjing Xiu","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101843966","display_name":"Shuhui Zhang","orcid":"https://orcid.org/0000-0002-5812-6488"},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuhui Zhang","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002844093","display_name":"Xiaodong Huang","orcid":"https://orcid.org/0000-0002-6530-1475"},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaodong Huang","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102233485","display_name":"Qisheng Feng","orcid":null},"institutions":[{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]},{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qisheng Feng","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5101487547","display_name":"Tiangang Liang","orcid":"https://orcid.org/0000-0001-5599-6587"},"institutions":[{"id":"https://openalex.org/I4210151987","display_name":"Ministry of Agriculture and Rural Affairs","ror":"https://ror.org/05ckt8b96","country_code":"CN","type":"funder","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210151987"]},{"id":"https://openalex.org/I76214153","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32","country_code":"CN","type":"education","lineage":["https://openalex.org/I76214153"]},{"id":"https://openalex.org/I4210156847","display_name":"Institute of Grassland Research","ror":"https://ror.org/04vmpjr08","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210127390","https://openalex.org/I4210138501","https://openalex.org/I4210151987","https://openalex.org/I4210156847"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tiangang Liang","raw_affiliation_strings":["State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, the Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, the Engineering Research Center of Grassland Industry, Ministry of Education, and the College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China","institution_ids":["https://openalex.org/I4210156847","https://openalex.org/I76214153","https://openalex.org/I4210151987"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5101781853"],"corresponding_institution_ids":["https://openalex.org/I4210151987","https://openalex.org/I4210156847","https://openalex.org/I76214153"],"apc_list":null,"apc_paid":null,"fwci":3.0646,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.91279898,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":99},"biblio":{"volume":"62","issue":null,"first_page":"1","last_page":"16"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9351000189781189,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9351000189781189,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"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/T10199","display_name":"Wildlife Ecology and Conservation","score":0.9232000112533569,"subfield":{"id":"https://openalex.org/subfields/2303","display_name":"Ecology"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hyperspectral-imaging","display_name":"Hyperspectral imaging","score":0.867877721786499},{"id":"https://openalex.org/keywords/grassland","display_name":"Grassland","score":0.6451746821403503},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6331336498260498},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6095007658004761},{"id":"https://openalex.org/keywords/in-situ","display_name":"In situ","score":0.607907772064209},{"id":"https://openalex.org/keywords/biomass","display_name":"Biomass (ecology)","score":0.5347259044647217},{"id":"https://openalex.org/keywords/wilting","display_name":"Wilting","score":0.4732128977775574},{"id":"https://openalex.org/keywords/grassland-ecosystem","display_name":"Grassland ecosystem","score":0.4348365068435669},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.31761372089385986},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.16708669066429138},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.1257099211215973},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.06957921385765076},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.06833979487419128},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.05611482262611389}],"concepts":[{"id":"https://openalex.org/C159078339","wikidata":"https://www.wikidata.org/wiki/Q959005","display_name":"Hyperspectral imaging","level":2,"score":0.867877721786499},{"id":"https://openalex.org/C2775835988","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland","level":2,"score":0.6451746821403503},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6331336498260498},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6095007658004761},{"id":"https://openalex.org/C2777822432","wikidata":"https://www.wikidata.org/wiki/Q216681","display_name":"In situ","level":2,"score":0.607907772064209},{"id":"https://openalex.org/C115540264","wikidata":"https://www.wikidata.org/wiki/Q2945560","display_name":"Biomass (ecology)","level":2,"score":0.5347259044647217},{"id":"https://openalex.org/C90355303","wikidata":"https://www.wikidata.org/wiki/Q2299244","display_name":"Wilting","level":2,"score":0.4732128977775574},{"id":"https://openalex.org/C2994424083","wikidata":"https://www.wikidata.org/wiki/Q1006733","display_name":"Grassland ecosystem","level":3,"score":0.4348365068435669},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.31761372089385986},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.16708669066429138},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.1257099211215973},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.06957921385765076},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.06833979487419128},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05611482262611389}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tgrs.2023.3341956","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tgrs.2023.3341956","pdf_url":null,"source":{"id":"https://openalex.org/S111326731","display_name":"IEEE Transactions on Geoscience and Remote Sensing","issn_l":"0196-2892","issn":["0196-2892","1558-0644"],"is_oa":false,"is_in_doaj":false,"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 Transactions on Geoscience and Remote Sensing","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2937835577","display_name":null,"funder_award_id":"41801191","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3156435870","display_name":null,"funder_award_id":"31672484","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5568545688","display_name":null,"funder_award_id":"41861016","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6676472760","display_name":null,"funder_award_id":"21ZD4FA020","funder_id":"https://openalex.org/F4320325927","funder_display_name":"Science and Technology Department of Gansu Province"},{"id":"https://openalex.org/G8058635892","display_name":null,"funder_award_id":"lzujbky2021-kb13","funder_id":"https://openalex.org/F4320313889","funder_display_name":"Lanzhou University"},{"id":"https://openalex.org/G8731703440","display_name":null,"funder_award_id":"2021YFD1300504","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320313889","display_name":"Lanzhou University","ror":"https://ror.org/01mkqqe32"},{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320325927","display_name":"Science and Technology Department of Gansu Province","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":100,"referenced_works":["https://openalex.org/W1902027874","https://openalex.org/W1967233934","https://openalex.org/W1985370128","https://openalex.org/W2000181981","https://openalex.org/W2004630584","https://openalex.org/W2004838504","https://openalex.org/W2005358860","https://openalex.org/W2006280268","https://openalex.org/W2016147261","https://openalex.org/W2018027183","https://openalex.org/W2019671001","https://openalex.org/W2020565262","https://openalex.org/W2025466678","https://openalex.org/W2028460800","https://openalex.org/W2029473420","https://openalex.org/W2031126473","https://openalex.org/W2035282905","https://openalex.org/W2036003376","https://openalex.org/W2037249302","https://openalex.org/W2039240409","https://openalex.org/W2046625771","https://openalex.org/W2047342556","https://openalex.org/W2047856763","https://openalex.org/W2060864251","https://openalex.org/W2063623478","https://openalex.org/W2064076387","https://openalex.org/W2066365771","https://openalex.org/W2066724429","https://openalex.org/W2074564786","https://openalex.org/W2074705849","https://openalex.org/W2075264821","https://openalex.org/W2075621901","https://openalex.org/W2075818603","https://openalex.org/W2076015156","https://openalex.org/W2083848515","https://openalex.org/W2088538848","https://openalex.org/W2089212648","https://openalex.org/W2090852128","https://openalex.org/W2091378956","https://openalex.org/W2097259623","https://openalex.org/W2100056645","https://openalex.org/W2108762366","https://openalex.org/W2112842613","https://openalex.org/W2118463259","https://openalex.org/W2135046866","https://openalex.org/W2137659327","https://openalex.org/W2143659979","https://openalex.org/W2144436897","https://openalex.org/W2149305241","https://openalex.org/W2157149513","https://openalex.org/W2163886442","https://openalex.org/W2168103112","https://openalex.org/W2168508602","https://openalex.org/W2169279814","https://openalex.org/W2242949626","https://openalex.org/W2316078792","https://openalex.org/W2318553756","https://openalex.org/W2359464345","https://openalex.org/W2488702363","https://openalex.org/W2506684654","https://openalex.org/W2526130632","https://openalex.org/W2529742705","https://openalex.org/W2597944323","https://openalex.org/W2613819690","https://openalex.org/W2737103927","https://openalex.org/W2767050796","https://openalex.org/W2781090973","https://openalex.org/W2782589596","https://openalex.org/W2799600431","https://openalex.org/W2911964244","https://openalex.org/W2936744010","https://openalex.org/W2948355578","https://openalex.org/W2950294063","https://openalex.org/W2964851751","https://openalex.org/W2976696463","https://openalex.org/W2995803192","https://openalex.org/W2995857167","https://openalex.org/W2997520060","https://openalex.org/W3119605326","https://openalex.org/W3152432465","https://openalex.org/W3164255796","https://openalex.org/W3164977838","https://openalex.org/W3173176705","https://openalex.org/W3185849119","https://openalex.org/W3185884909","https://openalex.org/W3188524028","https://openalex.org/W3189413618","https://openalex.org/W3192393044","https://openalex.org/W3199339659","https://openalex.org/W3201756988","https://openalex.org/W3205412344","https://openalex.org/W3207405451","https://openalex.org/W3216700504","https://openalex.org/W4223449671","https://openalex.org/W4296849391","https://openalex.org/W4303192471","https://openalex.org/W4306673389","https://openalex.org/W4317397632","https://openalex.org/W4317886257","https://openalex.org/W6636950212"],"related_works":["https://openalex.org/W2072041090","https://openalex.org/W2351204954","https://openalex.org/W2365932339","https://openalex.org/W633377525","https://openalex.org/W4385485557","https://openalex.org/W2334609133","https://openalex.org/W2389767301","https://openalex.org/W2355875570","https://openalex.org/W2349799950","https://openalex.org/W2358778894"],"abstract_inverted_index":{"Accurately":[0],"estimating":[1,129],"of":[2,17,42,70,167,209,221,264],"grassland":[3,31,63,171,210,222,227,283],"above-ground":[4],"biomass":[5],"(AGB)":[6],"during":[7,33,79,212,285],"the":[8,14,34,40,67,80,86,91,104,111,123,132,141,164,170,176,195,219,226,248,262,275,286],"wilting":[9,35,82,134,172,287],"period":[10,36,83,173],"is":[11,231,270],"vital":[12],"in":[13,44,92,131,218],"dynamic":[15],"monitoring":[16,60,259,279],"vegetation":[18,196],"survey,":[19],"carbon":[20],"storage":[21],"research,":[22],"and":[23,48,96,155,189,224,240,269,277],"grazing":[24],"livestock":[25],"supplementation.":[26],"However,":[27],"previous":[28],"studies":[29],"on":[30,66,85,247],"AGB":[32,64,130,168,211,228,284],"have":[37,215],"rarely":[38],"involved":[39],"integration":[41],"ground-based":[43],"situ":[45,93],"hyperspectral":[46,94],"data":[47,73,95,239,268],"satellite":[49,178],"images.":[50],"In":[51],"this":[52,254],"study,":[53],"we":[54],"proposed":[55,256],"a":[56],"multisource":[57,265],"remote":[58,266],"sensing":[59,267],"approach":[61],"for":[62,128,169,281],"based":[65],"differential":[68],"fusion":[69,101,144],"satellite\u2013ground":[71,257],"spectral":[72],"from":[74,200],"139":[75],"sample":[76],"sites":[77],"collected":[78],"grassland\u2019s":[81,133],"(September\u2013November)":[84],"northeastern":[87],"Tibetan":[88],"Plateau.":[89],"First,":[90],"Sentinel-2":[97,177],"images":[98,117],"were":[99,118],"differentiated":[100,143],"by":[102,235],"using":[103],"nonnegative":[105],"matrix":[106],"factorization":[107],"(NMF)":[108],"method.":[109],"Then,":[110],"Sentinel-1":[112,237],"synthetic":[113],"aperture":[114],"radar":[115],"(SAR)":[116],"further":[119,273],"integrated":[120],"to":[121,207,272],"develop":[122],"random":[124],"forest":[125],"(RF)":[126],"model":[127,145,179,249],"period.":[135,288],"The":[136],"results":[137],"showed":[138],"that:":[139],"1)":[140],"NMF-based":[142],"(":[146,180],"<inline-formula":[147,181],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[148,182],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[149,183],"<tex-math":[150,184],"notation=\"LaTeX\">$R^{2}$":[151,185],"</tex-math></inline-formula>":[152,186],"=":[153,159,187,191],"0.60":[154],"root-mean-square":[156],"error":[157],"(RMSE)":[158],"586.56":[160],"kg/ha)":[161],"effectively":[162],"improved":[163,234],"estimation":[165,220],"accuracy":[166],"compared":[174],"with":[175],"0.54":[188],"RMSE":[190],"627.53":[192],"kg/ha);":[193],"2)":[194],"indices":[197],"(VIs)":[198],"derived":[199],"short-wave":[201],"infrared":[202],"(SWIR)":[203],"bands":[204],"are":[205],"sensitive":[206],"variations":[208],"wilting,":[213],"which":[214],"great":[216],"potential":[217],"AGB;":[223],"3)":[225],"model\u2019s":[229],"performance":[230,250],"only":[232],"slightly":[233],"adding":[236],"SAR":[238],"no":[241],"more":[242],"significantly":[243],"positive":[244],"synergistic":[245],"effect":[246],"was":[251],"observed.":[252],"Overall,":[253],"study\u2019s":[255],"collaborative":[258],"method":[260],"integrates":[261],"advantages":[263],"expected":[271],"improve":[274],"large-scale":[276],"high-accuracy":[278],"capability":[280],"alpine":[282]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}