{"id":"https://openalex.org/W2775770712","doi":"https://doi.org/10.1109/igarss.2017.8127488","title":"The effect of precipitation and soil moisture variations on (partial) polarimetric L-band SAR backscatter in tropical forest regions","display_name":"The effect of precipitation and soil moisture variations on (partial) polarimetric L-band SAR backscatter in tropical forest regions","publication_year":2017,"publication_date":"2017-07-01","ids":{"openalex":"https://openalex.org/W2775770712","doi":"https://doi.org/10.1109/igarss.2017.8127488","mag":"2775770712"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2017.8127488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8127488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5047611948","display_name":"Christian N. Koyama","orcid":"https://orcid.org/0000-0003-3469-9764"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Christian N. Koyama","raw_affiliation_strings":["Tokyo Denki University (TDU), School of Science and Engineering, JAPAN"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University (TDU), School of Science and Engineering, JAPAN","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101986414","display_name":"Manabu Watanabe","orcid":"https://orcid.org/0000-0002-1130-9420"},"institutions":[{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Manabu Watanabe","raw_affiliation_strings":["Tokyo Denki University (TDU), School of Science and Engineering, JAPAN"],"affiliations":[{"raw_affiliation_string":"Tokyo Denki University (TDU), School of Science and Engineering, JAPAN","institution_ids":["https://openalex.org/I165522056"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009434881","display_name":"Masato Hayashi","orcid":"https://orcid.org/0000-0001-6120-9180"},"institutions":[{"id":"https://openalex.org/I4210142018","display_name":"Matsushiro Seismological Observatory","ror":"https://ror.org/044sckz61","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2801997990","https://openalex.org/I4210142018"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masato Hayashi","raw_affiliation_strings":["JAXA, Earth Observation Research Center (EORC), Tsukuba, JAPAN"],"affiliations":[{"raw_affiliation_string":"JAXA, Earth Observation Research Center (EORC), Tsukuba, JAPAN","institution_ids":["https://openalex.org/I4210142018"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016225372","display_name":"Masanobu Shimada","orcid":"https://orcid.org/0000-0001-8981-6679"},"institutions":[{"id":"https://openalex.org/I4210142018","display_name":"Matsushiro Seismological Observatory","ror":"https://ror.org/044sckz61","country_code":"JP","type":"facility","lineage":["https://openalex.org/I2801997990","https://openalex.org/I4210142018"]},{"id":"https://openalex.org/I165522056","display_name":"Tokyo Denki University","ror":"https://ror.org/01pa62v70","country_code":"JP","type":"education","lineage":["https://openalex.org/I165522056"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Masanobu Shimada","raw_affiliation_strings":["JAXA, Earth Observation Research Center (EORC), Tsukuba, JAPAN","Tokyo Denki University (TDU), School of Science and Engineering, JAPAN"],"affiliations":[{"raw_affiliation_string":"JAXA, Earth Observation Research Center (EORC), Tsukuba, JAPAN","institution_ids":["https://openalex.org/I4210142018"]},{"raw_affiliation_string":"Tokyo Denki University (TDU), School of Science and Engineering, JAPAN","institution_ids":["https://openalex.org/I165522056"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5047611948"],"corresponding_institution_ids":["https://openalex.org/I165522056"],"apc_list":null,"apc_paid":null,"fwci":2.1775,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.89696777,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"2450","last_page":"2453"},"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":1.0,"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":1.0,"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":0.998199999332428,"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/T10535","display_name":"Landslides and related hazards","score":0.9945999979972839,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"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/backscatter","display_name":"Backscatter (email)","score":0.6711978316307068},{"id":"https://openalex.org/keywords/precipitation","display_name":"Precipitation","score":0.6246500015258789},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.49115893244743347},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.41044309735298157},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.3556770086288452},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.30601564049720764},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.26816326379776},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.22463545203208923},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.21671470999717712}],"concepts":[{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.6711978316307068},{"id":"https://openalex.org/C107054158","wikidata":"https://www.wikidata.org/wiki/Q25257","display_name":"Precipitation","level":2,"score":0.6246500015258789},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.49115893244743347},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.41044309735298157},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.3556770086288452},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.30601564049720764},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.26816326379776},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.22463545203208923},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.21671470999717712},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2017.8127488","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8127488","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2017 IEEE International Geoscience and Remote Sensing Symposium (IGARSS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.6299999952316284,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1496056937","https://openalex.org/W2058743274","https://openalex.org/W2773999171"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W1984559991","https://openalex.org/W1799242668","https://openalex.org/W2502358642","https://openalex.org/W3165883639","https://openalex.org/W1847813119","https://openalex.org/W2068956457","https://openalex.org/W2105579152","https://openalex.org/W2364982659","https://openalex.org/W2744709723"],"abstract_inverted_index":{"ALOS-2":[0],"ScanSAR":[1],"data":[2,23,44],"was":[3,51,84],"used":[4,52],"for":[5,64,74,176],"examining":[6],"the":[7,55,81,177],"effect":[8],"of":[9,58,77,180],"precipitation":[10],"and":[11,38,134,160],"soil":[12],"moisture":[13],"variations":[14],"on":[15],"L-band":[16,59],"forest":[17,133,184],"backscatter":[18],"in":[19,35,121,151],"tropical":[20,33,183],"regions.":[21],"Multitemporal":[22],"spanning":[24],"from":[25],"observation":[26],"cycle":[27],"39":[28],"to":[29,53,80,172],"62":[30],"acquired":[31],"over":[32],"forests":[34,65,123,137],"South":[36],"America":[37],"Africa":[39],"has":[40],"been":[41],"used.":[42],"Precipitation":[43],"provided":[45],"through":[46],"JAXA's":[47],"global":[48],"rainfall":[49,78,142],"watch":[50],"examine":[54],"temporal":[56,75],"change":[57],"\u03c3":[60,90,106,153,161],"<sup":[61,91,107,154,162],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[62,92,95,108,111,155,158,163,166],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">0</sup>":[63,93,109,156,164],"as":[66,68],"well":[67],"deforestation":[69],"areas.":[70],"The":[71,86,144],"best":[72],"choice":[73],"integration":[76],"prior":[79],"image":[82],"acquisitions":[83],"investigated.":[85],"results":[87],"show":[88,98,139],"that":[89,131],"<sub":[94,110,157,165],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">HH</sub>":[96,159],"values":[97,113],"an":[99,181],"average":[100],"increase":[101,115],"smaller":[102],"1":[103],"dB,":[104],"whereas":[105],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">HV</sub>":[112,167],"can":[114,138],"by":[116],"more":[117],"than":[118],"2":[119],"dB":[120],"dense":[122,132,136],"after":[124,168],"heavy":[125,169],"rain.":[126],"Our":[127],"findings":[128],"also":[129],"indicate":[130],"open/moderately":[135],"quite":[140],"different":[141],"effects.":[143],"latter":[145],"may":[146],"even":[147],"exhibit":[148],"a":[149],"decrease":[150],"both":[152],"rain":[170],"due":[171],"standing":[173],"water.":[174],"Implementations":[175],"ongoing":[178],"development":[179],"advanced":[182],"monitoring":[185],"system":[186],"are":[187],"discussed.":[188]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}