{"id":"https://openalex.org/W4291916131","doi":"https://doi.org/10.3390/rs14163961","title":"A Factor Analysis Backpropagation Neural Network Model for Vegetation Net Primary Productivity Time Series Estimation in Western Sichuan","display_name":"A Factor Analysis Backpropagation Neural Network Model for Vegetation Net Primary Productivity Time Series Estimation in Western Sichuan","publication_year":2022,"publication_date":"2022-08-15","ids":{"openalex":"https://openalex.org/W4291916131","doi":"https://doi.org/10.3390/rs14163961"},"language":"en","primary_location":{"id":"doi:10.3390/rs14163961","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14163961","pdf_url":"https://www.mdpi.com/2072-4292/14/16/3961/pdf?version=1667870502","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/2072-4292/14/16/3961/pdf?version=1667870502","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100448224","display_name":"Song Li","orcid":"https://orcid.org/0000-0003-2163-8452"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Song Li","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039949921","display_name":"Rui Zhang","orcid":"https://orcid.org/0000-0002-0809-7682"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Rui Zhang","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","State-Province Joint Engineering Laboratory of Spatial Information Technology of High-Speed Rail Safety, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]},{"raw_affiliation_string":"State-Province Joint Engineering Laboratory of Spatial Information Technology of High-Speed Rail Safety, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5071437904","display_name":"Lingxiao Xie","orcid":"https://orcid.org/0000-0002-6266-1539"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingxiao Xie","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054460259","display_name":"Junyu Zhan","orcid":"https://orcid.org/0000-0003-0252-5815"},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Junyu Zhan","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101183293","display_name":"Yunfan Song","orcid":null},"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":"Yunfan Song","raw_affiliation_strings":["Institute of Plateau Meteorology, China Meteorological Administration, Chengdu 610072, China"],"affiliations":[{"raw_affiliation_string":"Institute of Plateau Meteorology, China Meteorological Administration, Chengdu 610072, China","institution_ids":["https://openalex.org/I141301092"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075825807","display_name":"Runqing Zhan","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Runqing Zhan","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020954106","display_name":"Age Shama","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Age Shama","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5103457957","display_name":"Ting Wang","orcid":null},"institutions":[{"id":"https://openalex.org/I4800084","display_name":"Southwest Jiaotong University","ror":"https://ror.org/00hn7w693","country_code":"CN","type":"education","lineage":["https://openalex.org/I4800084"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Wang","raw_affiliation_strings":["Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China"],"affiliations":[{"raw_affiliation_string":"Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 610031, China","institution_ids":["https://openalex.org/I4800084"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":["https://openalex.org/A5039949921"],"corresponding_institution_ids":["https://openalex.org/I4800084"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":1.5279,"has_fulltext":true,"cited_by_count":9,"citation_normalized_percentile":{"value":0.82126296,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"14","issue":"16","first_page":"3961","last_page":"3961"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10111","display_name":"Remote Sensing in Agriculture","score":0.9976000189781189,"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":0.9976000189781189,"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/T10226","display_name":"Land Use and Ecosystem Services","score":0.9878000020980835,"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/T13890","display_name":"Remote Sensing and Land Use","score":0.982200026512146,"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/primary-production","display_name":"Primary production","score":0.7182988524436951},{"id":"https://openalex.org/keywords/backpropagation","display_name":"Backpropagation","score":0.6631612777709961},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.6441298127174377},{"id":"https://openalex.org/keywords/time-series","display_name":"Time series","score":0.5798702239990234},{"id":"https://openalex.org/keywords/carbon-sink","display_name":"Carbon sink","score":0.555939793586731},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5183833241462708},{"id":"https://openalex.org/keywords/series","display_name":"Series (stratigraphy)","score":0.5180637836456299},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.49318522214889526},{"id":"https://openalex.org/keywords/missing-data","display_name":"Missing data","score":0.4893152415752411},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.4661281108856201},{"id":"https://openalex.org/keywords/correlation-coefficient","display_name":"Correlation coefficient","score":0.4521392583847046},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.44677048921585083},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.4295233190059662},{"id":"https://openalex.org/keywords/mean-absolute-error","display_name":"Mean absolute error","score":0.42128676176071167},{"id":"https://openalex.org/keywords/sink","display_name":"Sink (geography)","score":0.4107588231563568},{"id":"https://openalex.org/keywords/physical-geography","display_name":"Physical geography","score":0.398332417011261},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.35876917839050293},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.2637518048286438},{"id":"https://openalex.org/keywords/ecosystem","display_name":"Ecosystem","score":0.23249390721321106},{"id":"https://openalex.org/keywords/climate-change","display_name":"Climate change","score":0.19485989212989807},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17852342128753662},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.1633712649345398},{"id":"https://openalex.org/keywords/cartography","display_name":"Cartography","score":0.1246853768825531},{"id":"https://openalex.org/keywords/machine-learning","display_name":"Machine learning","score":0.10128948092460632},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.10068255662918091}],"concepts":[{"id":"https://openalex.org/C24717449","wikidata":"https://www.wikidata.org/wiki/Q515905","display_name":"Primary production","level":3,"score":0.7182988524436951},{"id":"https://openalex.org/C155032097","wikidata":"https://www.wikidata.org/wiki/Q798503","display_name":"Backpropagation","level":3,"score":0.6631612777709961},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.6441298127174377},{"id":"https://openalex.org/C151406439","wikidata":"https://www.wikidata.org/wiki/Q186588","display_name":"Time series","level":2,"score":0.5798702239990234},{"id":"https://openalex.org/C149677717","wikidata":"https://www.wikidata.org/wiki/Q5611523","display_name":"Carbon sink","level":3,"score":0.555939793586731},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5183833241462708},{"id":"https://openalex.org/C143724316","wikidata":"https://www.wikidata.org/wiki/Q312468","display_name":"Series (stratigraphy)","level":2,"score":0.5180637836456299},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.49318522214889526},{"id":"https://openalex.org/C9357733","wikidata":"https://www.wikidata.org/wiki/Q6878417","display_name":"Missing data","level":2,"score":0.4893152415752411},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.4661281108856201},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.4521392583847046},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.44677048921585083},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.4295233190059662},{"id":"https://openalex.org/C188154048","wikidata":"https://www.wikidata.org/wiki/Q6803609","display_name":"Mean absolute error","level":3,"score":0.42128676176071167},{"id":"https://openalex.org/C143050476","wikidata":"https://www.wikidata.org/wiki/Q194502","display_name":"Sink (geography)","level":2,"score":0.4107588231563568},{"id":"https://openalex.org/C100970517","wikidata":"https://www.wikidata.org/wiki/Q52107","display_name":"Physical geography","level":1,"score":0.398332417011261},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.35876917839050293},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.2637518048286438},{"id":"https://openalex.org/C110872660","wikidata":"https://www.wikidata.org/wiki/Q37813","display_name":"Ecosystem","level":2,"score":0.23249390721321106},{"id":"https://openalex.org/C132651083","wikidata":"https://www.wikidata.org/wiki/Q7942","display_name":"Climate change","level":2,"score":0.19485989212989807},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17852342128753662},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.1633712649345398},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.1246853768825531},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.10128948092460632},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.10068255662918091},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0},{"id":"https://openalex.org/C187736073","wikidata":"https://www.wikidata.org/wiki/Q2920921","display_name":"Management","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.0},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14163961","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14163961","pdf_url":"https://www.mdpi.com/2072-4292/14/16/3961/pdf?version=1667870502","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:c7a1eda967a647dc8c668dde1a1c42d9","is_oa":true,"landing_page_url":"https://doaj.org/article/c7a1eda967a647dc8c668dde1a1c42d9","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","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 14, Iss 16, p 3961 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/16/3961/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14163961","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/rs14163961","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14163961","pdf_url":"https://www.mdpi.com/2072-4292/14/16/3961/pdf?version=1667870502","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":[],"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/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/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/G37568934","display_name":null,"funder_award_id":"Grant","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"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/G440638385","display_name":null,"funder_award_id":"2020YJ0322","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5449017812","display_name":null,"funder_award_id":"unknown","funder_id":"https://openalex.org/F4320306101","funder_display_name":"National Aeronautics and Space Administration"},{"id":"https://openalex.org/G5790302342","display_name":null,"funder_award_id":"42071410","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5939423041","display_name":null,"funder_award_id":"Technology","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/G6680770935","display_name":null,"funder_award_id":"2019ZDZX0042","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/G8439171865","display_name":null,"funder_award_id":"42171355","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G902315690","display_name":null,"funder_award_id":"2020JDTD0003","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation 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"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4291916131.pdf","grobid_xml":"https://content.openalex.org/works/W4291916131.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W1498436455","https://openalex.org/W1996538888","https://openalex.org/W2005995549","https://openalex.org/W2014543370","https://openalex.org/W2068451607","https://openalex.org/W2069769996","https://openalex.org/W2117996123","https://openalex.org/W2167705142","https://openalex.org/W2292659702","https://openalex.org/W2318491760","https://openalex.org/W2350288237","https://openalex.org/W2351379476","https://openalex.org/W2354313359","https://openalex.org/W2355574600","https://openalex.org/W2356882468","https://openalex.org/W2357234064","https://openalex.org/W2359123079","https://openalex.org/W2369369332","https://openalex.org/W2375092003","https://openalex.org/W2377214213","https://openalex.org/W2377559565","https://openalex.org/W2383496566","https://openalex.org/W2388099819","https://openalex.org/W2389407492","https://openalex.org/W2390577972","https://openalex.org/W2393410721","https://openalex.org/W2590082119","https://openalex.org/W2713294981","https://openalex.org/W2906616628","https://openalex.org/W3025095922","https://openalex.org/W3086176879","https://openalex.org/W3115100998","https://openalex.org/W3117346578","https://openalex.org/W3138848048","https://openalex.org/W3202795280","https://openalex.org/W3217024292","https://openalex.org/W4206393367","https://openalex.org/W4213252277","https://openalex.org/W4213283043","https://openalex.org/W4237377395","https://openalex.org/W6705326141","https://openalex.org/W6706676701","https://openalex.org/W6792016115","https://openalex.org/W6804359376","https://openalex.org/W6806179083"],"related_works":["https://openalex.org/W3144952416","https://openalex.org/W1981989787","https://openalex.org/W1968435195","https://openalex.org/W2354430753","https://openalex.org/W2364447134","https://openalex.org/W2361685013","https://openalex.org/W2001758539","https://openalex.org/W2376722068","https://openalex.org/W2102008634","https://openalex.org/W2080481328"],"abstract_inverted_index":{"Vegetation":[0],"net":[1],"primary":[2],"productivity":[3],"(VNPP)":[4],"is":[5,187],"the":[6,31,42,82,87,106,109,127,136,147,160,167,183,205,220,225],"main":[7],"factor":[8],"in":[9,26,171,193,204,224,238],"ecosystem":[10],"carbon":[11],"sink":[12],"function":[13],"and":[14,33,55,76,90,144,146,198,211,234,249,255],"regulation":[15],"of":[16,37,68,108,118,163,201,222],"environmental":[17],"processes.":[18],"However,":[19],"NPP":[20,57],"data":[21,24,75,231],"products":[22],"have":[23],"missing":[25,60],"some":[27],"areas,":[28],"which":[29],"affects":[30],"availability":[32],"overall":[34],"accuracy":[35,107],"level":[36],"data.":[38,79],"Therefore,":[39],"we":[40,215],"adopted":[41],"Factor":[43],"Analysis":[44],"Backpropagation":[45],"neural":[46],"network":[47],"model":[48],"(FA-BP":[49],"model)":[50],"to":[51,100,125,134,154,180],"acquire":[52],"a":[53,66,93,175,243],"high-accuracy":[54],"high-reliability":[56],"result":[58],"without":[59],"or":[61],"empty":[62],"areas":[63,200],"by":[64],"using":[65],"series":[67,96,111,186],"easily":[69],"accessible":[70],"datasets,":[71],"such":[72],"as":[73,86],"meteorological":[74],"remote":[77],"sensing":[78],"We":[80],"selected":[81],"western":[83,172,227],"Sichuan":[84,173,228],"region":[85],"study":[88,206],"area":[89,207],"carried":[91],"out":[92],"VNPP":[94,119,165,184,202,223,248],"time":[95,110,185],"estimation":[97,112],"from":[98,123,132,152,178],"2000":[99],"2016.":[101],"Comparative":[102],"simulations":[103],"also":[104],"verify":[105],"results:":[113],"The":[114,196,230],"Pearson":[115],"correlation":[116],"r":[117],"prediction":[120],"results":[121,236],"ranged":[122,131],"0.807":[124],"0.917,":[126],"mean":[128,138,148],"absolute":[129],"error":[130,140,150],"29.1":[133],"38.9,":[135],"root":[137],"square":[139],"was":[141],"between":[142],"37.3":[143],"51.8,":[145],"relative":[149],"varies":[151],"0.10":[153],"0.14.":[155],"Further":[156],"analysis":[157],"shows":[158,174],"that":[159,217],"spatial":[161],"pattern":[162],"estimated":[164],"during":[166],"past":[168],"17":[169],"years":[170],"decreasing":[176,199],"trend":[177,192],"southeast":[179],"northwest.":[181],"Besides,":[182],"generally":[188],"on":[189,252],"an":[190],"upward":[191],"this":[194,239],"period.":[195],"increasing":[197],"values":[203],"accounted":[208],"for":[209,245],"81.42%":[210],"18.58%,":[212],"respectively.":[213],"Moreover,":[214],"find":[216],"temperature":[218],"dominates":[219],"change":[221],"whole":[226],"region.":[229],"processing":[232],"method":[233],"experimental":[235],"presented":[237],"paper":[240],"can":[241],"provide":[242],"reference":[244],"accurately":[246],"acquiring":[247],"related":[250],"studies":[251],"natural":[253],"resources":[254],"climate":[256],"change.":[257]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":6}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}