{"id":"https://openalex.org/W4387801875","doi":"https://doi.org/10.1109/igarss52108.2023.10282014","title":"Forest Vegetation Optical Depth Mapping Using GNSS Signals at SMAPVEX\u201922","display_name":"Forest Vegetation Optical Depth Mapping Using GNSS Signals at SMAPVEX\u201922","publication_year":2023,"publication_date":"2023-07-16","ids":{"openalex":"https://openalex.org/W4387801875","doi":"https://doi.org/10.1109/igarss52108.2023.10282014"},"language":"en","primary_location":{"id":"doi:10.1109/igarss52108.2023.10282014","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss52108.2023.10282014","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5101845693","display_name":"Abesh Ghosh","orcid":"https://orcid.org/0009-0008-6525-6310"},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Abesh Ghosh","raw_affiliation_strings":["Mississippi State University,Mississippi State,MS,USA,36792"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mississippi State University,Mississippi State,MS,USA,36792","institution_ids":["https://openalex.org/I99041443"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075070489","display_name":"Md Mehedi Farhad","orcid":"https://orcid.org/0000-0001-9391-719X"},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Md Mehedi Farhad","raw_affiliation_strings":["Mississippi State University,Mississippi State,MS,USA,36792"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mississippi State University,Mississippi State,MS,USA,36792","institution_ids":["https://openalex.org/I99041443"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000389436","display_name":"Dylan Boyd","orcid":"https://orcid.org/0000-0002-1110-2454"},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dylan Boyd","raw_affiliation_strings":["Mississippi State University,Mississippi State,MS,USA,36792"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mississippi State University,Mississippi State,MS,USA,36792","institution_ids":["https://openalex.org/I99041443"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039806680","display_name":"Suraj A. Yadav","orcid":"https://orcid.org/0000-0002-8158-7207"},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suraj Yadav","raw_affiliation_strings":["Mississippi State University,Mississippi State,MS,USA,36792"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mississippi State University,Mississippi State,MS,USA,36792","institution_ids":["https://openalex.org/I99041443"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008146196","display_name":"Andreas Colliander","orcid":"https://orcid.org/0000-0003-4093-8119"},"institutions":[{"id":"https://openalex.org/I1334627681","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916","country_code":"US","type":"facility","lineage":["https://openalex.org/I122411786","https://openalex.org/I1334627681","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Andreas Colliander","raw_affiliation_strings":["California Institute of Technology,Jet Propulsion Laboratory,Pasadena,CA,USA","Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"California Institute of Technology,Jet Propulsion Laboratory,Pasadena,CA,USA","institution_ids":["https://openalex.org/I1334627681"]},{"raw_affiliation_string":"Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA","institution_ids":["https://openalex.org/I1334627681"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025247468","display_name":"Michael H. Cosh","orcid":"https://orcid.org/0000-0003-4776-1918"},"institutions":[{"id":"https://openalex.org/I1312222531","display_name":"Agricultural Research Service","ror":"https://ror.org/02d2m2044","country_code":"US","type":"government","lineage":["https://openalex.org/I1312222531","https://openalex.org/I1336096307"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael H. Cosh","raw_affiliation_strings":["USDA ARS Hydrology and Remote Sensing Laboratory,Beltsville,MD,USA","USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"USDA ARS Hydrology and Remote Sensing Laboratory,Beltsville,MD,USA","institution_ids":["https://openalex.org/I1312222531"]},{"raw_affiliation_string":"USDA ARS Hydrology and Remote Sensing Laboratory, Beltsville, MD, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5065532859","display_name":"Mehmet Kurum","orcid":"https://orcid.org/0000-0002-5750-9014"},"institutions":[{"id":"https://openalex.org/I99041443","display_name":"Mississippi State University","ror":"https://ror.org/0432jq872","country_code":"US","type":"education","lineage":["https://openalex.org/I4210141039","https://openalex.org/I99041443"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mehmet Kurum","raw_affiliation_strings":["Mississippi State University,Mississippi State,MS,USA,36792"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Mississippi State University,Mississippi State,MS,USA,36792","institution_ids":["https://openalex.org/I99041443"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":4.3489,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.9589372,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"3237","last_page":"3240"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11312","display_name":"Soil Moisture and Remote Sensing","score":0.9991999864578247,"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":0.9991999864578247,"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9926000237464905,"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/T10111","display_name":"Remote Sensing in Agriculture","score":0.9873999953269958,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/gnss-applications","display_name":"GNSS applications","score":0.8251407742500305},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6940429210662842},{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6204280257225037},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.3972906172275543},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.38692110776901245},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.29459792375564575},{"id":"https://openalex.org/keywords/global-positioning-system","display_name":"Global Positioning System","score":0.2544543147087097},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11603659391403198}],"concepts":[{"id":"https://openalex.org/C14279187","wikidata":"https://www.wikidata.org/wiki/Q5514012","display_name":"GNSS applications","level":3,"score":0.8251407742500305},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6940429210662842},{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6204280257225037},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3972906172275543},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.38692110776901245},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.29459792375564575},{"id":"https://openalex.org/C60229501","wikidata":"https://www.wikidata.org/wiki/Q18822","display_name":"Global Positioning System","level":2,"score":0.2544543147087097},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11603659391403198},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","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":1,"locations":[{"id":"doi:10.1109/igarss52108.2023.10282014","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss52108.2023.10282014","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IGARSS 2023 - 2023 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land","score":0.7099999785423279}],"awards":[],"funders":[{"id":"https://openalex.org/F4320309398","display_name":"California Institute of Technology","ror":"https://ror.org/05dxps055"},{"id":"https://openalex.org/F4320332375","display_name":"Jet Propulsion Laboratory","ror":"https://ror.org/027k65916"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2166864828","https://openalex.org/W3087909386","https://openalex.org/W3205505285","https://openalex.org/W4225783004","https://openalex.org/W4312283714","https://openalex.org/W4376890810","https://openalex.org/W6810505573"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W4386936491","https://openalex.org/W3007931018","https://openalex.org/W3110195467","https://openalex.org/W3033823235","https://openalex.org/W2881093137","https://openalex.org/W4391128647","https://openalex.org/W4384916587"],"abstract_inverted_index":{"Two":[0],"intense":[1],"observation":[2],"periods":[3],"(IOPs)":[4],"are":[5],"included":[6],"in":[7,18,57,83,131],"the":[8,19,23,35,38,45,49,54,72,75,132,138,141,147,163],"Soil":[9],"Moisture":[10],"Active":[11],"Passive":[12],"(SMAP)":[13],"Validation":[14],"Experiment":[15],"(SMAPVEX)":[16],"2022":[17],"temperate":[20],"forests":[21],"of":[22,34,74],"northeastern":[24],"US":[25],"(Massachusetts":[26],"and":[27,37,61,81,118,137,187,190,194],"New":[28],"York).":[29],"Because":[30],"a":[31,104,110,115],"sizable":[32],"portion":[33],"U.S.":[36],"world":[39],"have":[40,101,174],"non-uniform":[41],"forest":[42,76,84,142,153,192],"cover":[43],"at":[44,180,205],"SMAP":[46,55,164],"resolution":[47],"scale,":[48],"IOPs":[50],"aim":[51],"to":[52,70,161,201],"test":[53,162],"retrieval":[56,165],"both":[58,206],"fully":[59],"wooded":[60,168],"partially":[62],"forested":[63],"instances.":[64],"Destructive":[65],"sampling":[66],"is":[67,79],"often":[68],"used":[69,160],"assess":[71],"opacity":[73,89],"canopy,":[77],"which":[78],"intrusive":[80],"labor-intensive":[82],"characterization.":[85],"To":[86],"measure":[87],"vegetative":[88],"directly":[90],"utilizing":[91],"widely":[92],"accessible":[93],"Global":[94],"Navigation":[95],"Satellite":[96],"System":[97],"(GNSS)":[98],"signals,":[99],"we":[100,173],"instead":[102],"developed":[103],"GNSS":[105,128],"Transmissometry":[106],"(GNSS-T)":[107],"approach":[108],"from":[109],"mobile":[111],"platform":[112],"(such":[113],"as":[114],"helmet":[116],"wearable":[117],"quadruped":[119],"ground":[120],"robot).":[121],"The":[122,144],"created":[123],"system":[124],"gathers":[125],"two":[126,148],"simultaneous":[127],"readings,":[129],"one":[130],"unobstructed":[133],"open":[134],"sky":[135],"area":[136],"other":[139],"under":[140],"canopy.":[143],"difference":[145],"between":[146],"can":[149,158],"yield":[150],"information":[151],"on":[152],"transmissivity":[154,193],"(water":[155],"content).":[156],"That":[157],"be":[159],"methods":[166],"over":[167],"areas.":[169],"In":[170],"this":[171],"study,":[172],"processed":[175],"SMAPVEX\u2019s":[176],"IOP-1":[177],"GNSS-T":[178],"data":[179],"selected":[181],"sites,":[182],"including":[183],"GPS,":[184],"GLONASS,":[185],"Beidou":[186],"Galileo":[188],"satellites,":[189],"generated":[191],"vegetation":[195],"optical":[196],"depth":[197],"(VOD)":[198],"heatmaps":[199],"averaged":[200],"different":[202],"angular":[203],"bins":[204],"SMAPVEX\u201922":[207],"locations.":[208]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3}],"updated_date":"2026-08-04T08:18:43.703281","created_date":"2025-10-10T00:00:00"}