{"id":"https://openalex.org/W4286628503","doi":"https://doi.org/10.3390/rs14143254","title":"Rice Crop Monitoring Using Sentinel-1 SAR Data: A Case Study in Saku, Japan","display_name":"Rice Crop Monitoring Using Sentinel-1 SAR Data: A Case Study in Saku, Japan","publication_year":2022,"publication_date":"2022-07-06","ids":{"openalex":"https://openalex.org/W4286628503","doi":"https://doi.org/10.3390/rs14143254"},"language":"en","primary_location":{"id":"doi:10.3390/rs14143254","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143254","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3254/pdf?version=1658318345","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/2072-4292/14/14/3254/pdf?version=1658318345","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5016999962","display_name":"Shoko Kobayashi","orcid":"https://orcid.org/0000-0002-8988-4636"},"institutions":[{"id":"https://openalex.org/I149481174","display_name":"Tamagawa University","ror":"https://ror.org/05f8a4p63","country_code":"JP","type":"education","lineage":["https://openalex.org/I149481174"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Shoko Kobayashi","raw_affiliation_strings":["College of Agriculture, Tamagawa University, Tokyo 194-8610, Japan"],"affiliations":[{"raw_affiliation_string":"College of Agriculture, Tamagawa University, Tokyo 194-8610, Japan","institution_ids":["https://openalex.org/I149481174"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5034504608","display_name":"Hiyuto Ide","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Hiyuto Ide","raw_affiliation_strings":["Sharagri Company, Tokyo 102-0093, Japan"],"affiliations":[{"raw_affiliation_string":"Sharagri Company, Tokyo 102-0093, Japan","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5016999962"],"corresponding_institution_ids":["https://openalex.org/I149481174"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2707},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2707},"fwci":7.0813,"has_fulltext":true,"cited_by_count":24,"citation_normalized_percentile":{"value":0.96502512,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"14","issue":"14","first_page":"3254","last_page":"3254"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9983000159263611,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9961000084877014,"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9864000082015991,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/panicle","display_name":"Panicle","score":0.8115638494491577},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.6541488170623779},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.6509562730789185},{"id":"https://openalex.org/keywords/crop","display_name":"Crop","score":0.585552990436554},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.5273367166519165},{"id":"https://openalex.org/keywords/canopy","display_name":"Canopy","score":0.5174956321716309},{"id":"https://openalex.org/keywords/ripening","display_name":"Ripening","score":0.4709274172782898},{"id":"https://openalex.org/keywords/phenology","display_name":"Phenology","score":0.4559124708175659},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.44704368710517883},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.35784998536109924},{"id":"https://openalex.org/keywords/horticulture","display_name":"Horticulture","score":0.18378353118896484},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.17363303899765015},{"id":"https://openalex.org/keywords/biology","display_name":"Biology","score":0.16245460510253906},{"id":"https://openalex.org/keywords/botany","display_name":"Botany","score":0.08664193749427795},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.0847528874874115}],"concepts":[{"id":"https://openalex.org/C75337361","wikidata":"https://www.wikidata.org/wiki/Q148600","display_name":"Panicle","level":2,"score":0.8115638494491577},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.6541488170623779},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.6509562730789185},{"id":"https://openalex.org/C137580998","wikidata":"https://www.wikidata.org/wiki/Q235352","display_name":"Crop","level":2,"score":0.585552990436554},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.5273367166519165},{"id":"https://openalex.org/C101000010","wikidata":"https://www.wikidata.org/wiki/Q5033434","display_name":"Canopy","level":2,"score":0.5174956321716309},{"id":"https://openalex.org/C172353545","wikidata":"https://www.wikidata.org/wiki/Q2121926","display_name":"Ripening","level":2,"score":0.4709274172782898},{"id":"https://openalex.org/C51417038","wikidata":"https://www.wikidata.org/wiki/Q272737","display_name":"Phenology","level":2,"score":0.4559124708175659},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.44704368710517883},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.35784998536109924},{"id":"https://openalex.org/C144027150","wikidata":"https://www.wikidata.org/wiki/Q48803","display_name":"Horticulture","level":1,"score":0.18378353118896484},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.17363303899765015},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.16245460510253906},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.08664193749427795},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0847528874874115},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.3390/rs14143254","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143254","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3254/pdf?version=1658318345","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:26f927702450483a9eaa70cf5c654548","is_oa":true,"landing_page_url":"https://doaj.org/article/26f927702450483a9eaa70cf5c654548","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 14, p 3254 (2022)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/2072-4292/14/14/3254/","is_oa":true,"landing_page_url":"https://dx.doi.org/10.3390/rs14143254","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 14; Issue 14; Pages: 3254","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/rs14143254","is_oa":true,"landing_page_url":"https://doi.org/10.3390/rs14143254","pdf_url":"https://www.mdpi.com/2072-4292/14/14/3254/pdf?version=1658318345","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":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4286628503.pdf","grobid_xml":"https://content.openalex.org/works/W4286628503.grobid-xml"},"referenced_works_count":42,"referenced_works":["https://openalex.org/W84630654","https://openalex.org/W646056432","https://openalex.org/W1997481351","https://openalex.org/W2008697272","https://openalex.org/W2105954673","https://openalex.org/W2146962848","https://openalex.org/W2148273810","https://openalex.org/W2512539767","https://openalex.org/W2607177037","https://openalex.org/W2745131289","https://openalex.org/W2785681726","https://openalex.org/W2791200330","https://openalex.org/W2887882280","https://openalex.org/W2890942070","https://openalex.org/W2896908315","https://openalex.org/W2901283844","https://openalex.org/W2914237936","https://openalex.org/W2921151229","https://openalex.org/W2922412082","https://openalex.org/W2937220696","https://openalex.org/W2943654052","https://openalex.org/W2952411786","https://openalex.org/W2955625807","https://openalex.org/W2969011938","https://openalex.org/W2974230642","https://openalex.org/W2980983003","https://openalex.org/W2981007357","https://openalex.org/W2991749326","https://openalex.org/W2997840851","https://openalex.org/W3012975023","https://openalex.org/W3034665472","https://openalex.org/W3037917870","https://openalex.org/W3080859964","https://openalex.org/W3088984457","https://openalex.org/W3095431890","https://openalex.org/W3114763141","https://openalex.org/W3127557648","https://openalex.org/W3171034877","https://openalex.org/W3186449429","https://openalex.org/W6725860704","https://openalex.org/W6764455176","https://openalex.org/W6783303682"],"related_works":["https://openalex.org/W3002701199","https://openalex.org/W2362734935","https://openalex.org/W2362505604","https://openalex.org/W2394255463","https://openalex.org/W4246038743","https://openalex.org/W2393537737","https://openalex.org/W3141535635","https://openalex.org/W2393382537","https://openalex.org/W2377372770","https://openalex.org/W2366372992"],"abstract_inverted_index":{"Global":[0],"warming":[1],"affects":[2],"rice":[3,9,25],"crop":[4,26,149],"production,":[5],"causing":[6],"deterioration":[7],"of":[8,68,187],"grain":[10,189],"quality.":[11],"This":[12],"study":[13],"used":[14],"C-band":[15,47,182],"microwave":[16,33,93],"images":[17,156],"taken":[18],"by":[19],"the":[20,29,76,85,96,116],"Sentinel-1":[21,155],"satellites":[22],"to":[23,31,72,82,179,192],"monitor":[24],"growth":[27],"with":[28,43,107,115,124,133,146,157],"aim":[30],"understand":[32],"backscatter":[34,131,141],"behavior,":[35],"focusing":[36],"on":[37],"decreases":[38],"in":[39,84,148],"panicle":[40,86,125,172],"water":[41,87,126,173],"contents":[42],"ripening,":[44],"which":[45,128],"affect":[46],"backscatter.":[48,101],"Time-series":[49],"changes":[50,147],"illustrated":[51],"a":[52,167],"similar":[53],"tendency":[54],"across":[55],"all":[56],"four":[57],"analysis":[58,105],"years,":[59],"showing":[60],"that":[61,89,111,140,181],"VV/VH":[62],"ratio":[63],"at":[64],"an":[65],"incidence":[66,118,159],"angle":[67],"45\u201346\u00b0":[69],"stopped":[70],"decreasing":[71],"be":[73],"stable":[74],"over":[75],"reproductive":[77],"and":[78,113,151,161],"ripening":[79],"periods":[80],"due":[81],"reductions":[83],"content":[88],"allowed":[90],"for":[91,170],"greater":[92],"penetration":[94],"into":[95],"canopy,":[97],"thereby":[98],"increasing":[99],"panicle-related":[100],"Furthermore,":[102,136],"multivariate":[103],"regression":[104],"combined":[106],"field":[108],"observations":[109],"showed":[110],"VV":[112],"VH":[114],"shallow":[117,158],"angles":[119,160],"were":[120,143],"significantly":[121],"negatively":[122],"correlated":[123],"content,":[127],"well":[129],"demonstrated":[130],"increases":[132],"plant":[134],"senescence.":[135],"it":[137,176],"was":[138],"observed":[139],"behaviors":[142],"highly":[144],"consistent":[145],"phenology":[150],"surface":[152],"condition.":[153],"Accordingly,":[154],"high":[162],"revisit":[163],"observation":[164],"capabilities":[165],"offer":[166],"strong":[168],"potential":[169],"estimating":[171],"content.":[174],"Therefore,":[175],"seems":[177],"reasonable":[178],"conclude":[180],"SAR":[183],"data":[184],"is":[185],"capable":[186],"retrieving":[188],"filling":[190],"conditions":[191],"estimate":[193],"proper":[194],"harvesting":[195],"time.":[196]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":7},{"year":2024,"cited_by_count":9},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}