{"id":"https://openalex.org/W2772178466","doi":"https://doi.org/10.1109/igarss.2017.8127371","title":"Decomposition of the SMAP radar channels and relation to surface soil moisture and vegetation","display_name":"Decomposition of the SMAP radar channels and relation to surface soil moisture and vegetation","publication_year":2017,"publication_date":"2017-07-01","ids":{"openalex":"https://openalex.org/W2772178466","doi":"https://doi.org/10.1109/igarss.2017.8127371","mag":"2772178466"},"language":"en","primary_location":{"id":"doi:10.1109/igarss.2017.8127371","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8127371","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/A5068788956","display_name":"Y. Li","orcid":null},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Y. Li","raw_affiliation_strings":["Department of Earth System Science, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Earth System Science, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069599518","display_name":"Ruzbeh Akbar","orcid":"https://orcid.org/0000-0002-9963-0488"},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"R. Akbar","raw_affiliation_strings":["Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101463167","display_name":"Fan Yang","orcid":"https://orcid.org/0000-0002-4665-0450"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"F. Yang","raw_affiliation_strings":["Department of Earth System Science, Tsinghua University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Earth System Science, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047322900","display_name":"Hui L\u00fc","orcid":"https://orcid.org/0000-0003-1640-239X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"H. Lu","raw_affiliation_strings":["Department of Earth System Science, Tsinghua University, Beijing, China","Joint Center for Global Change Studies, Beijing, China"],"affiliations":[{"raw_affiliation_string":"Department of Earth System Science, Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]},{"raw_affiliation_string":"Joint Center for Global Change Studies, Beijing, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5030204998","display_name":"Kaighin A. McColl","orcid":"https://orcid.org/0000-0001-9201-6760"},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"K. McColl","raw_affiliation_strings":["Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085491613","display_name":"Dara Entekhabi","orcid":"https://orcid.org/0000-0002-8362-4761"},"institutions":[{"id":"https://openalex.org/I4210110987","display_name":"IIT@MIT","ror":"https://ror.org/01wp8zh54","country_code":"US","type":"facility","lineage":["https://openalex.org/I30771326","https://openalex.org/I4210110987"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"D. Entekhabi","raw_affiliation_strings":["Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA"],"affiliations":[{"raw_affiliation_string":"Department of Civil and Environmental Engineering, MIT, Cambridge, MA, USA","institution_ids":["https://openalex.org/I4210110987"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5068788956"],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12916292,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1989","last_page":"1991"},"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/T10801","display_name":"Synthetic Aperture Radar (SAR) Applications and Techniques","score":0.9976000189781189,"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/T11234","display_name":"Precipitation Measurement and Analysis","score":0.9961000084877014,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/vegetation","display_name":"Vegetation (pathology)","score":0.6282681822776794},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.6007019877433777},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.5868000984191895},{"id":"https://openalex.org/keywords/water-content","display_name":"Water content","score":0.5848026871681213},{"id":"https://openalex.org/keywords/principal-component-analysis","display_name":"Principal component analysis","score":0.5737273693084717},{"id":"https://openalex.org/keywords/vegetation-cover","display_name":"Vegetation cover","score":0.5174580216407776},{"id":"https://openalex.org/keywords/soil-science","display_name":"Soil science","score":0.49686315655708313},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.4953366816043854},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.4790802597999573},{"id":"https://openalex.org/keywords/moisture","display_name":"Moisture","score":0.4654368460178375},{"id":"https://openalex.org/keywords/cover","display_name":"Cover (algebra)","score":0.45072391629219055},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.24648213386535645},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.24636206030845642},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.23228636384010315},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.21163856983184814},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.20457908511161804},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.14835429191589355},{"id":"https://openalex.org/keywords/agronomy","display_name":"Agronomy","score":0.11184364557266235},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.10372403264045715},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09450861811637878},{"id":"https://openalex.org/keywords/geotechnical-engineering","display_name":"Geotechnical engineering","score":0.09234410524368286}],"concepts":[{"id":"https://openalex.org/C2776133958","wikidata":"https://www.wikidata.org/wiki/Q7918366","display_name":"Vegetation (pathology)","level":2,"score":0.6282681822776794},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6007019877433777},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.5868000984191895},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.5848026871681213},{"id":"https://openalex.org/C27438332","wikidata":"https://www.wikidata.org/wiki/Q2873","display_name":"Principal component analysis","level":2,"score":0.5737273693084717},{"id":"https://openalex.org/C2983732647","wikidata":"https://www.wikidata.org/wiki/Q187997","display_name":"Vegetation cover","level":3,"score":0.5174580216407776},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.49686315655708313},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.4953366816043854},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.4790802597999573},{"id":"https://openalex.org/C176864760","wikidata":"https://www.wikidata.org/wiki/Q217651","display_name":"Moisture","level":2,"score":0.4654368460178375},{"id":"https://openalex.org/C2780428219","wikidata":"https://www.wikidata.org/wiki/Q16952335","display_name":"Cover (algebra)","level":2,"score":0.45072391629219055},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.24648213386535645},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.24636206030845642},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.23228636384010315},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.21163856983184814},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.20457908511161804},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.14835429191589355},{"id":"https://openalex.org/C6557445","wikidata":"https://www.wikidata.org/wiki/Q173113","display_name":"Agronomy","level":1,"score":0.11184364557266235},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.10372403264045715},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09450861811637878},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.09234410524368286},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0},{"id":"https://openalex.org/C2777904157","wikidata":"https://www.wikidata.org/wiki/Q3239189","display_name":"Grazing","level":2,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0},{"id":"https://openalex.org/C142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/igarss.2017.8127371","is_oa":false,"landing_page_url":"https://doi.org/10.1109/igarss.2017.8127371","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":[{"display_name":"Life in Land","score":0.699999988079071,"id":"https://metadata.un.org/sdg/15"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320322624","display_name":"Tsinghua National Laboratory for Information Science and Technology","ror":"https://ror.org/03cve4549"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1973527930","https://openalex.org/W2039348932","https://openalex.org/W2078985447","https://openalex.org/W2097272115","https://openalex.org/W2099614632","https://openalex.org/W2131035246","https://openalex.org/W2153206894"],"related_works":["https://openalex.org/W1975632186","https://openalex.org/W3027745756","https://openalex.org/W3205213561","https://openalex.org/W2531880140","https://openalex.org/W2126145365","https://openalex.org/W2036609560","https://openalex.org/W346861917","https://openalex.org/W3024018414","https://openalex.org/W1542592062","https://openalex.org/W4380081032"],"abstract_inverted_index":{"Decomposition":[0],"is":[1,22,29,42],"performed":[2],"for":[3],"the":[4,12,25,30,34],"4\u00d74":[5],"SMAP":[6],"radar":[7],"channel":[8],"covariance":[9],"matrix":[10],"and":[11,20,33,56],"correlation":[13,35],"between":[14],"resulting":[15],"components,":[16],"surface":[17],"soil":[18,40,61],"moisture":[19],"vegetation":[21],"examined.":[23],"Globally,":[24],"first":[26],"principal":[27],"component":[28],"most":[31],"dominant":[32],"coefficients":[36],"with":[37,52],"respect":[38],"to":[39],"mortise":[41],"highest":[43],"(R":[44],"<sup":[45],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[46],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">2</sup>":[47],"\u2265":[48],"0.8)":[49],"in":[50],"regions":[51],"fractional":[53],"ground":[54],"cover":[55],"sufficient":[57],"temporal":[58],"dynamics":[59],"of":[60],"moisture.":[62]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
