{"id":"https://openalex.org/W2092317410","doi":"https://doi.org/10.1109/igarss.2007.4423073","title":"ComRAD active / passive microwave measurement of tree canopies","display_name":"ComRAD active / passive microwave measurement of tree canopies","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2092317410","doi":"https://doi.org/10.1109/igarss.2007.4423073","mag":"2092317410"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2007.4423073","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4423073","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","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/A5015820551","display_name":"Peggy O\u2019Neill","orcid":"https://orcid.org/0000-0002-2596-8670"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Peggy O'Neill","raw_affiliation_strings":["Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","Hydrospheric & Biospheric Sci. Lab., Greenbelt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]},{"raw_affiliation_string":"Hydrospheric & Biospheric Sci. Lab., Greenbelt","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026920813","display_name":"A. Joseph","orcid":"https://orcid.org/0000-0003-3842-2789"},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alicia Joseph","raw_affiliation_strings":["Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","Hydrospheric & Biospheric Sci. Lab., Greenbelt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]},{"raw_affiliation_string":"Hydrospheric & Biospheric Sci. Lab., Greenbelt","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5108784794","display_name":"Ross Nelson","orcid":null},"institutions":[{"id":"https://openalex.org/I1306266525","display_name":"Goddard Space Flight Center","ror":"https://ror.org/0171mag52","country_code":"US","type":"facility","lineage":["https://openalex.org/I1306266525","https://openalex.org/I4210124779"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Ross Nelson","raw_affiliation_strings":["Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","Hydrospheric & Biospheric Sci. Lab., Greenbelt"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hydrospheric and Biospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA","institution_ids":["https://openalex.org/I1306266525"]},{"raw_affiliation_string":"Hydrospheric & Biospheric Sci. Lab., Greenbelt","institution_ids":[]}]},{"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"]},{"id":"https://openalex.org/I193531525","display_name":"George Washington University","ror":"https://ror.org/00y4zzh67","country_code":"US","type":"education","lineage":["https://openalex.org/I193531525"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Michael Cosh","raw_affiliation_strings":["Department of Elec. & Computer Engineering, George Washington University, WA, USA","Hydrology and Remote Sensing Laboratory, USDA ARS, Beltsville, MD\u00a020705, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Elec. & Computer Engineering, George Washington University, WA, USA","institution_ids":["https://openalex.org/I193531525"]},{"raw_affiliation_string":"Hydrology and Remote Sensing Laboratory, USDA ARS, Beltsville, MD\u00a020705, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102930688","display_name":"Thomas J. Jackson","orcid":"https://orcid.org/0000-0001-6297-5290"},"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"]},{"id":"https://openalex.org/I193531525","display_name":"George Washington University","ror":"https://ror.org/00y4zzh67","country_code":"US","type":"education","lineage":["https://openalex.org/I193531525"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Thomas Jackson","raw_affiliation_strings":["Department of Elec. & Computer Engineering, George Washington University, WA, USA","Hydrology and Remote Sensing Laboratory, USDA ARS, Beltsville, MD\u00a020705, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Elec. & Computer Engineering, George Washington University, WA, USA","institution_ids":["https://openalex.org/I193531525"]},{"raw_affiliation_string":"Hydrology and Remote Sensing Laboratory, USDA ARS, Beltsville, MD\u00a020705, USA","institution_ids":["https://openalex.org/I1312222531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5041574827","display_name":"Roger H. Lang","orcid":"https://orcid.org/0000-0001-6081-5680"},"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"]},{"id":"https://openalex.org/I193531525","display_name":"George Washington University","ror":"https://ror.org/00y4zzh67","country_code":"US","type":"education","lineage":["https://openalex.org/I193531525"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roger Lang","raw_affiliation_strings":["USDA-ARS, Hydrology and Remote Sensing Laboratory, Beltsville, MD, USA","Dept. of Elec. & Computer Engineering, George Washington University, 20052 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":"Dept. of Elec. & Computer Engineering, George Washington University, 20052 USA","institution_ids":["https://openalex.org/I193531525"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065532859","display_name":"Mehmet Kurum","orcid":"https://orcid.org/0000-0002-5750-9014"},"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"]},{"id":"https://openalex.org/I193531525","display_name":"George Washington University","ror":"https://ror.org/00y4zzh67","country_code":"US","type":"education","lineage":["https://openalex.org/I193531525"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mehmet Kurum","raw_affiliation_strings":["USDA-ARS, Hydrology and Remote Sensing Laboratory, Beltsville, MD, USA","Dept. of Elec. & Computer Engineering, George Washington University, 20052 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":"Dept. of Elec. & Computer Engineering, George Washington University, 20052 USA","institution_ids":["https://openalex.org/I193531525"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023195089","display_name":"Mark H. Spicknall","orcid":null},"institutions":[{"id":"https://openalex.org/I66946132","display_name":"University of Maryland, College Park","ror":"https://ror.org/047s2c258","country_code":"US","type":"education","lineage":["https://openalex.org/I66946132"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Mark Spicknall","raw_affiliation_strings":["CMREC/College of Agric. & Natural Resources, University of Maryland, Upper Marlboro, MD, USA","CMREC/College of Agric. & Natural Resources, University of Maryland, Upper Marlboro, 20774 USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"CMREC/College of Agric. & Natural Resources, University of Maryland, Upper Marlboro, MD, USA","institution_ids":[]},{"raw_affiliation_string":"CMREC/College of Agric. & Natural Resources, University of Maryland, Upper Marlboro, 20774 USA","institution_ids":["https://openalex.org/I66946132"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":8,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.6951,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.73890048,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"14","issue":null,"first_page":"1420","last_page":"1423"},"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":0.9970999956130981,"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9907000064849854,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/radiometer","display_name":"Radiometer","score":0.8010536432266235},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.7297605276107788},{"id":"https://openalex.org/keywords/microwave-radiometer","display_name":"Microwave radiometer","score":0.6423476934432983},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6088534593582153},{"id":"https://openalex.org/keywords/microwave","display_name":"Microwave","score":0.5875474810600281},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5673732161521912},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.4558705985546112},{"id":"https://openalex.org/keywords/l-band","display_name":"L band","score":0.4553024470806122},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.3339943587779999},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.22813886404037476},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15737825632095337}],"concepts":[{"id":"https://openalex.org/C120189094","wikidata":"https://www.wikidata.org/wiki/Q850281","display_name":"Radiometer","level":2,"score":0.8010536432266235},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.7297605276107788},{"id":"https://openalex.org/C96960616","wikidata":"https://www.wikidata.org/wiki/Q3814470","display_name":"Microwave radiometer","level":3,"score":0.6423476934432983},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6088534593582153},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.5875474810600281},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5673732161521912},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.4558705985546112},{"id":"https://openalex.org/C133969743","wikidata":"https://www.wikidata.org/wiki/Q2362353","display_name":"L band","level":2,"score":0.4553024470806122},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.3339943587779999},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.22813886404037476},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15737825632095337}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2007.4423073","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2007.4423073","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE International Geoscience and Remote Sensing Symposium","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Life in Land","id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1965423284","https://openalex.org/W1969012395","https://openalex.org/W1983466976","https://openalex.org/W1999835700","https://openalex.org/W2045706725","https://openalex.org/W2062763853","https://openalex.org/W2072567364","https://openalex.org/W2119025088","https://openalex.org/W2130158012","https://openalex.org/W2149148514","https://openalex.org/W2167313312","https://openalex.org/W4285719527","https://openalex.org/W6677901545"],"related_works":["https://openalex.org/W2381259876","https://openalex.org/W2016007472","https://openalex.org/W2360231461","https://openalex.org/W2013323393","https://openalex.org/W2413930784","https://openalex.org/W2140108161","https://openalex.org/W2005776842","https://openalex.org/W2165236048","https://openalex.org/W2388976256","https://openalex.org/W2516103524"],"abstract_inverted_index":{"The":[0,28],"NASA/GSFC":[1],"and":[2,52,79,94],"George":[3],"Washington":[4],"University":[5],"network":[6],"analyzer-based":[7],"multifrequency":[8],"truck-":[9],"mounted":[10],"radar":[11],"system":[12],"has":[13],"recently":[14],"been":[15],"upgraded":[16],"with":[17],"the":[18,62,89,105,110],"addition":[19],"of":[20,68,77,88,92,112],"a":[21,39,66,113],"dual-polarized":[22],"1.4":[23],"GHz":[24],"total":[25],"power":[26],"radiometer.":[27],"system,":[29],"now":[30],"called":[31],"ComRAD":[32,58],"for":[33,43],"Combined":[34],"Radar/Radiometer,":[35],"can":[36],"function":[37],"as":[38,49],"ground-based":[40],"instrument":[41],"simulator":[42],"L":[44,71],"band":[45,72],"space":[46],"missions":[47],"such":[48],"Hydros,":[50],"Aquarius,":[51],"SMOS.":[53],"In":[54],"late":[55],"summer":[56],"2006":[57],"was":[59],"deployed":[60],"to":[61,64,84],"field":[63,116],"begin":[65],"series":[67],"coordinated":[69],"active/passive":[70],"measurements":[73,107],"over":[74],"small":[75],"stands":[76],"deciduous":[78],"coniferous":[80],"trees":[81,93],"in":[82],"order":[83],"improve":[85],"our":[86],"understanding":[87],"microwave":[90],"properties":[91],"their":[95],"effect":[96],"on":[97],"soil":[98],"moisture":[99],"retrieval":[100],"algorithms.":[101],"This":[102],"paper":[103],"describes":[104],"preliminary":[106],"obtained":[108],"at":[109],"start":[111],"three-year":[114],"planned":[115],"measurement":[117],"effort.":[118]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
