{"id":"https://openalex.org/W2605818934","doi":"https://doi.org/10.3390/rs9040387","title":"Evaluation and Improvement of SMOS and SMAP Soil Moisture Products for Soils with High Organic Matter over a Forested Area in Northeast China","display_name":"Evaluation and Improvement of SMOS and SMAP Soil Moisture Products for Soils with High Organic Matter over a Forested Area in Northeast China","publication_year":2017,"publication_date":"2017-04-19","ids":{"openalex":"https://openalex.org/W2605818934","doi":"https://doi.org/10.3390/rs9040387","mag":"2605818934"},"language":"en","primary_location":{"id":"doi:10.3390/rs9040387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9040387","pdf_url":"https://www.mdpi.com/2072-4292/9/4/387/pdf?version=1492680616","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/2072-4292/9/4/387/pdf?version=1492680616","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101935120","display_name":"Mengjie Jin","orcid":"https://orcid.org/0000-0002-3694-1940"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]},{"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":"Mengjie Jin","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","University of Chinese Academy of Sciences, Beijing 100049, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]},{"raw_affiliation_string":"University of Chinese Academy of Sciences, Beijing 100049, China","institution_ids":["https://openalex.org/I4210165038"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047416358","display_name":"Xingming Zheng","orcid":"https://orcid.org/0000-0002-7870-5268"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xingming Zheng","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101911266","display_name":"Tao Jiang","orcid":"https://orcid.org/0000-0003-3833-4498"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tao Jiang","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100347672","display_name":"Xiaofeng Li","orcid":"https://orcid.org/0000-0001-7038-5119"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofeng Li","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100428862","display_name":"Xiaojie Li","orcid":"https://orcid.org/0000-0003-1796-5266"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiao-Jie Li","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100643412","display_name":"Kai Zhao","orcid":"https://orcid.org/0000-0002-3613-1913"},"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/I4210101301","display_name":"Northeast Institute of Geography and Agroecology","ror":"https://ror.org/01a9z1q73","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210101301"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kai Zhao","raw_affiliation_strings":["Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China"],"affiliations":[{"raw_affiliation_string":"Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China","institution_ids":["https://openalex.org/I4210101301","https://openalex.org/I19820366"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5047416358"],"corresponding_institution_ids":["https://openalex.org/I19820366","https://openalex.org/I4210101301"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":2.1548,"has_fulltext":true,"cited_by_count":36,"citation_normalized_percentile":{"value":0.85828372,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"9","issue":"4","first_page":"387","last_page":"387"},"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":0.9908000230789185,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9585000276565552,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.8100757598876953},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.6658809185028076},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5492494106292725},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.49303147196769714},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4043121933937073},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15338897705078125}],"concepts":[{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.8100757598876953},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6658809185028076},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5492494106292725},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.49303147196769714},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4043121933937073},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15338897705078125},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3390/rs9040387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9040387","pdf_url":"https://www.mdpi.com/2072-4292/9/4/387/pdf?version=1492680616","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:mdpi.com:/2072-4292/9/4/387/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs9040387","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; Volume 9; Issue 4; Pages: 387","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs9040387","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs9040387","pdf_url":"https://www.mdpi.com/2072-4292/9/4/387/pdf?version=1492680616","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/14","display_name":"Life below water","score":0.8299999833106995}],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G1594087646","display_name":null,"funder_award_id":"41471289","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/G2508810665","display_name":null,"funder_award_id":"41371345","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/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/G4445906601","display_name":null,"funder_award_id":"41301369","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/G7720625988","display_name":null,"funder_award_id":"1471289","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8635621265","display_name":null,"funder_award_id":"4137134","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"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2605818934.pdf","grobid_xml":"https://content.openalex.org/works/W2605818934.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W1597222998","https://openalex.org/W1597995583","https://openalex.org/W1876440458","https://openalex.org/W1966757384","https://openalex.org/W1968188542","https://openalex.org/W1969012395","https://openalex.org/W1976044877","https://openalex.org/W1980889792","https://openalex.org/W1981521050","https://openalex.org/W1995598225","https://openalex.org/W1997496487","https://openalex.org/W2016334672","https://openalex.org/W2026686735","https://openalex.org/W2026845815","https://openalex.org/W2027380942","https://openalex.org/W2032626490","https://openalex.org/W2034956981","https://openalex.org/W2035377721","https://openalex.org/W2037744170","https://openalex.org/W2044927495","https://openalex.org/W2054997773","https://openalex.org/W2064005663","https://openalex.org/W2065042103","https://openalex.org/W2072567364","https://openalex.org/W2091287180","https://openalex.org/W2099279706","https://openalex.org/W2116428100","https://openalex.org/W2117858619","https://openalex.org/W2118090517","https://openalex.org/W2128728699","https://openalex.org/W2141369004","https://openalex.org/W2151135366","https://openalex.org/W2151586007","https://openalex.org/W2155266879","https://openalex.org/W2155607837","https://openalex.org/W2162960236","https://openalex.org/W2170235700","https://openalex.org/W2193272755","https://openalex.org/W2340780200","https://openalex.org/W2567313639","https://openalex.org/W4302083040","https://openalex.org/W6631984659"],"related_works":["https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2102148524","https://openalex.org/W2314720829","https://openalex.org/W2121524756","https://openalex.org/W4385074335","https://openalex.org/W782553550","https://openalex.org/W2626189183","https://openalex.org/W1987967678","https://openalex.org/W1885452192"],"abstract_inverted_index":{"Soil":[0,7,16],"moisture":[1],"(SM)":[2],"retrieval":[3,104,149,161],"from":[4,49,181,197],"SMOS":[5,58,77,165,213],"(the":[6,15],"Moisture":[8,17],"and":[9,13,33,59,96,166,196],"Ocean":[10],"Salinity":[11],"mission)":[12,19],"SMAP":[14,60,79,167],"Active/Passive":[18],"passive":[20],"microwave":[21],"data":[22],"over":[23,66,151],"forested":[24,67,127,152],"areas":[25,68,153],"with":[26,85,115],"required":[27],"accuracy":[28,218],"is":[29],"of":[30,93,110,120,134,163,176],"great":[31],"significance":[32],"poses":[34],"some":[35,100],"challenges.":[36],"In":[37],"this":[38],"paper,":[39],"we":[40],"used":[41],"Ground":[42],"Wireless":[43],"Sensor":[44],"Network":[45],"(GWSN)":[46],"SM":[47,64,81,103,148,178],"measurements":[48],"9":[50],"September":[51],"to":[52,56,117,184,200],"5":[53],"November":[54],"2015":[55],"validate":[57],"Level":[61],"3":[62],"(L3)":[63],"products":[65,82,179,226],"in":[69,102,125,146],"northeastern":[70],"China.":[71],"Our":[72],"results":[73,150],"found":[74],"that":[75,130],"neither":[76],"nor":[78],"L3":[80,177],"were":[83],"ideal,":[84],"respective":[86],"RMSE":[87,175],"(root":[88],"mean":[89],"square":[90],"error)":[91],"values":[92],"0.31":[94],"cm3/cm3":[95,183,186,199,202],"0.17":[97,198],"cm3/cm3.":[98],"Nevertheless,":[99],"improvements":[101],"might":[105],"be":[106],"achievable":[107],"through":[108],"refinements":[109],"the":[111,126,132,135,160,174,217],"soil":[112,121,137],"dielectric":[113,138],"model":[114,139,158],"respect":[116],"high":[118],"percentage":[119],"organic":[122],"matter":[123],"(SOM)":[124],"area.":[128],"To":[129],"end,":[131],"potential":[133],"semi-empirical":[136],"proposed":[140],"by":[141,221,228],"Jun":[142],"Liu":[143],"(Liu\u2019s":[144],"model)":[145],"improving":[147],"was":[154,219],"investigated.":[155],"Introducing":[156],"Liu\u2019s":[157],"into":[159],"algorithms":[162],"both":[164],"missions":[168],"produced":[169],"promising":[170],"results.":[171],"For":[172,212],"SMAP,":[173],"improved":[180,220,227],"0.16":[182],"0.07":[185],"for":[187,203],"AM":[188],"(local":[189,205],"solar":[190,206],"time":[191,207],"around":[192,208],"06:00":[193,209],"am)":[194],"data,":[195],"0.05":[201],"PM":[204],"pm)":[210],"data.":[211],"ascending":[214],"orbit":[215,225],"products,":[216],"56%,":[222],"while":[223],"descending":[224],"45%.":[229]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":4},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":4},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":1}],"updated_date":"2026-04-18T07:56:08.524223","created_date":"2025-10-10T00:00:00"}