{"id":"https://openalex.org/W3014206462","doi":"https://doi.org/10.3390/rs12071077","title":"Gap-Filling of a MODIS Normalized Difference Snow Index Product Based on the Similar Pixel Selecting Algorithm: A Case Study on the Qinghai\u2013Tibetan Plateau","display_name":"Gap-Filling of a MODIS Normalized Difference Snow Index Product Based on the Similar Pixel Selecting Algorithm: A Case Study on the Qinghai\u2013Tibetan Plateau","publication_year":2020,"publication_date":"2020-03-27","ids":{"openalex":"https://openalex.org/W3014206462","doi":"https://doi.org/10.3390/rs12071077","mag":"3014206462"},"language":"en","primary_location":{"id":"doi:10.3390/rs12071077","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12071077","pdf_url":"https://www.mdpi.com/2072-4292/12/7/1077/pdf?version=1585826954","source":{"id":"https://openalex.org/S43295729","display_name":"Remote Sensing","issn_l":"2072-4292","issn":["2072-4292"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/2072-4292/12/7/1077/pdf?version=1585826954","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102903800","display_name":"Muyi Li","orcid":"https://orcid.org/0000-0002-9200-6535"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Muyi Li","raw_affiliation_strings":["Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China"],"raw_orcid":"https://orcid.org/0000-0002-9200-6535","affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]},{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941","https://openalex.org/I4210128053"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015123283","display_name":"Xiufang Zhu","orcid":"https://orcid.org/0000-0002-6660-2034"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiufang Zhu","raw_affiliation_strings":["Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China"],"raw_orcid":"https://orcid.org/0000-0002-6660-2034","affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]},{"raw_affiliation_string":"State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I25254941"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101413941","display_name":"Nan Li","orcid":"https://orcid.org/0000-0001-8739-9242"},"institutions":[{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Nan Li","raw_affiliation_strings":["Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Remote Sensing Science and Engineering, Faculty of Geographical Sciences, Beijing Normal University, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941"]},{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941","https://openalex.org/I4210128053"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078753250","display_name":"Yaozhong Pan","orcid":"https://orcid.org/0000-0002-2307-2715"},"institutions":[{"id":"https://openalex.org/I20616075","display_name":"Qinghai Normal University","ror":"https://ror.org/03az1t892","country_code":"CN","type":"education","lineage":["https://openalex.org/I20616075"]},{"id":"https://openalex.org/I25254941","display_name":"Beijing Normal University","ror":"https://ror.org/022k4wk35","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},{"id":"https://openalex.org/I4210128053","display_name":"Institute of Remote Sensing and Digital Earth","ror":"https://ror.org/02cjszf03","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210128053"]},{"id":"https://openalex.org/I4210166112","display_name":"State Key Laboratory of Remote Sensing Science","ror":"https://ror.org/05wzjqa24","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210166112"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yaozhong Pan","raw_affiliation_strings":["School of Geographical Sciences, Qinghai Normal University, Xining 810016, China","State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China"],"raw_orcid":"https://orcid.org/0000-0002-2307-2715","affiliations":[{"raw_affiliation_string":"School of Geographical Sciences, Qinghai Normal University, Xining 810016, China","institution_ids":["https://openalex.org/I20616075"]},{"raw_affiliation_string":"State Key Laboratory of Remote Sensing Science, Jointly Sponsored by Beijing Normal University and the Institute of Remote Sensing and Digital Earth of the Chinese Academy of Sciences, Beijing 100875, China","institution_ids":["https://openalex.org/I4210166112","https://openalex.org/I25254941","https://openalex.org/I4210128053"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5078753250"],"corresponding_institution_ids":["https://openalex.org/I20616075","https://openalex.org/I25254941","https://openalex.org/I4210128053","https://openalex.org/I4210166112"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":3.2886,"has_fulltext":false,"cited_by_count":42,"citation_normalized_percentile":{"value":0.9199319,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":97,"max":100},"biblio":{"volume":"12","issue":"7","first_page":"1077","last_page":"1077"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10644","display_name":"Cryospheric studies and observations","score":0.9998000264167786,"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/T10766","display_name":"Urban Heat Island Mitigation","score":0.9977999925613403,"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/T10029","display_name":"Climate variability and models","score":0.9933000206947327,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/snow","display_name":"Snow","score":0.6216449737548828},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5437160730361938},{"id":"https://openalex.org/keywords/moderate-resolution-imaging-spectroradiometer","display_name":"Moderate-resolution imaging spectroradiometer","score":0.5389723181724548},{"id":"https://openalex.org/keywords/mean-squared-error","display_name":"Mean squared error","score":0.532905638217926},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.5323904752731323},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.529660165309906},{"id":"https://openalex.org/keywords/pixel","display_name":"Pixel","score":0.48284345865249634},{"id":"https://openalex.org/keywords/plateau","display_name":"Plateau (mathematics)","score":0.4173498749732971},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.37363430857658386},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34213632345199585},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.3163827061653137},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21786651015281677},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.20958197116851807},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.18349400162696838},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.16013386845588684},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.1535709798336029},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.13270795345306396}],"concepts":[{"id":"https://openalex.org/C197046000","wikidata":"https://www.wikidata.org/wiki/Q7561","display_name":"Snow","level":2,"score":0.6216449737548828},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5437160730361938},{"id":"https://openalex.org/C2777007095","wikidata":"https://www.wikidata.org/wiki/Q676840","display_name":"Moderate-resolution imaging spectroradiometer","level":3,"score":0.5389723181724548},{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.532905638217926},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.5323904752731323},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.529660165309906},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.48284345865249634},{"id":"https://openalex.org/C2780030769","wikidata":"https://www.wikidata.org/wiki/Q4968575","display_name":"Plateau (mathematics)","level":2,"score":0.4173498749732971},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.37363430857658386},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34213632345199585},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.3163827061653137},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21786651015281677},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.20958197116851807},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.18349400162696838},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16013386845588684},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.1535709798336029},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.13270795345306396},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs12071077","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12071077","pdf_url":"https://www.mdpi.com/2072-4292/12/7/1077/pdf?version=1585826954","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:ce1abefd6e4b46a3b01757240609d63f","is_oa":true,"landing_page_url":"https://doaj.org/article/ce1abefd6e4b46a3b01757240609d63f","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Remote Sensing, Vol 12, Iss 7, p 1077 (2020)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/12/7/1077/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs12071077","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 12; Issue 7; Pages: 1077","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs12071077","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs12071077","pdf_url":"https://www.mdpi.com/2072-4292/12/7/1077/pdf?version=1585826954","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/13","display_name":"Climate action","score":0.8100000023841858}],"awards":[{"id":"https://openalex.org/G3251443311","display_name":null,"funder_award_id":"2018YFC1504603","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"}],"funders":[{"id":"https://openalex.org/F4320329182","display_name":"Consortium of International Agricultural Research Centers","ror":null},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3014206462.pdf","grobid_xml":"https://content.openalex.org/works/W3014206462.grobid-xml"},"referenced_works_count":77,"referenced_works":["https://openalex.org/W1484885900","https://openalex.org/W1533551908","https://openalex.org/W1965359117","https://openalex.org/W1965740752","https://openalex.org/W1971189535","https://openalex.org/W1973749534","https://openalex.org/W1987104356","https://openalex.org/W1987882549","https://openalex.org/W1998680950","https://openalex.org/W2003101558","https://openalex.org/W2004218220","https://openalex.org/W2017917631","https://openalex.org/W2024383708","https://openalex.org/W2039592289","https://openalex.org/W2060945009","https://openalex.org/W2061688579","https://openalex.org/W2062461848","https://openalex.org/W2063140107","https://openalex.org/W2072066638","https://openalex.org/W2076064807","https://openalex.org/W2077807809","https://openalex.org/W2078026570","https://openalex.org/W2078120952","https://openalex.org/W2087837963","https://openalex.org/W2088535472","https://openalex.org/W2089616742","https://openalex.org/W2089833617","https://openalex.org/W2090702492","https://openalex.org/W2096842752","https://openalex.org/W2103497845","https://openalex.org/W2105397853","https://openalex.org/W2115713536","https://openalex.org/W2117396433","https://openalex.org/W2124006030","https://openalex.org/W2125325727","https://openalex.org/W2126104337","https://openalex.org/W2133894646","https://openalex.org/W2136761864","https://openalex.org/W2139562884","https://openalex.org/W2142366834","https://openalex.org/W2142800341","https://openalex.org/W2157447753","https://openalex.org/W2157992348","https://openalex.org/W2174963011","https://openalex.org/W2286825134","https://openalex.org/W2316236955","https://openalex.org/W2347012098","https://openalex.org/W2433398639","https://openalex.org/W2462342999","https://openalex.org/W2523182979","https://openalex.org/W2621314816","https://openalex.org/W2621375441","https://openalex.org/W2622918003","https://openalex.org/W2734575339","https://openalex.org/W2760849513","https://openalex.org/W2766439007","https://openalex.org/W2775772867","https://openalex.org/W2781710633","https://openalex.org/W2789065963","https://openalex.org/W2803029102","https://openalex.org/W2888347400","https://openalex.org/W2896775444","https://openalex.org/W2896964948","https://openalex.org/W2900773122","https://openalex.org/W2901465803","https://openalex.org/W2902614090","https://openalex.org/W2910105337","https://openalex.org/W2910925492","https://openalex.org/W2912841529","https://openalex.org/W2946917146","https://openalex.org/W2948857523","https://openalex.org/W2953969919","https://openalex.org/W2957632528","https://openalex.org/W2971806173","https://openalex.org/W2996052411","https://openalex.org/W4403737727","https://openalex.org/W6872835927"],"related_works":["https://openalex.org/W2913143114","https://openalex.org/W2314704010","https://openalex.org/W1584003442","https://openalex.org/W2317224478","https://openalex.org/W2084452007","https://openalex.org/W2996275564","https://openalex.org/W2060524912","https://openalex.org/W2242764613","https://openalex.org/W597570173","https://openalex.org/W2331727539"],"abstract_inverted_index":{"Cloud":[0],"contamination":[1],"has":[2],"largely":[3],"limited":[4],"the":[5,8,40,67,94,108,121,136],"application":[6],"of":[7,71,135,154,161,179],"Moderate":[9],"Resolution":[10],"Imaging":[11],"Spectroradiometer(MODIS)":[12],"normalized":[13],"difference":[14],"snow":[15,183],"index":[16],"(NDSI).":[17],"Here,":[18],"a":[19,72,76,101,140,144,149,156,164,176],"novel":[20],"gap-filling":[21],"method":[22,138,170],"based":[23],"on":[24,130],"spatial-temporal":[25,77],"similar":[26,63,78],"pixel":[27,79],"interpolation":[28],"was":[29,59,98],"proposed":[30,169],"to":[31,91,126],"remove":[32],"cloud":[33,173],"occlusions":[34],"in":[35,66,93],"MODIS":[36,84,117],"NDSI":[37,57,86,118,196],"products.":[38],"First,":[39],"widely":[41],"used":[42,99],"Terra":[43],"and":[44,47,163,188,201],"Aqua":[45],"combination":[46],"three-day":[48],"temporal":[49],"filter":[50],"methods":[51],"were":[52],"applied.":[53],"The":[54,83,104,132,168],"remaining":[55,68],"missing":[56],"information":[58],"estimated":[60],"by":[61],"using":[62],"eligible":[64],"pixels":[65],"cloud-free":[69,195],"portion":[70],"target":[73],"image":[74],"through":[75],"selecting":[80],"algorithm":[81],"(SPSA).":[82],"daily":[85,116],"product":[87],"data":[88,197],"from":[89,124],"2003":[90],"2018":[92],"Qinghai\u2013Tibetan":[95],"Plateau":[96],"(China)":[97],"as":[100],"case":[102],"study.":[103],"results":[105,134],"demonstrate":[106],"that":[107],"three-step":[109],"methodology":[110],"can":[111,171],"generate":[112],"almost":[113],"completely":[114],"cloud-free,":[115],"images,":[119],"reducing":[120],"cloud-gap":[122],"fraction":[123],">45%":[125],"less":[127],"than":[128],"1.5%":[129],"average.":[131],"validation":[133],"SPSA":[137],"exhibited":[139],"high":[141,145],"accuracy,":[142,180],"with":[143],"R2":[146],"exceeding":[147],"0.78,":[148],"low":[150],"mean":[151,158],"absolute":[152],"error":[153,160],"2.77%,":[155],"root":[157],"square":[159],"3.78%,":[162],"96.92%":[165],"overall":[166],"accuracy.":[167],"fill":[172],"gaps":[174],"without":[175],"significant":[177],"loss":[178],"especially":[181],"during":[182],"cover":[184],"transition":[185],"periods":[186],"(autumn":[187],"spring),":[189],"which":[190],"may":[191],"provide":[192],"more":[193],"accurate":[194],"for":[198],"climate":[199],"change":[200],"energy":[202],"balance":[203],"studies.":[204]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":17},{"year":2021,"cited_by_count":7}],"updated_date":"2026-05-21T06:26:12.895304","created_date":"2020-04-10T00:00:00"}