{"id":"https://openalex.org/W1992212224","doi":"https://doi.org/10.1109/jstars.2014.2324657","title":"How do Spatial Scale, Noise, and Reference Data affect Empirical Estimates of Error in ASAR-Derived 1 km Resolution Soil Moisture?","display_name":"How do Spatial Scale, Noise, and Reference Data affect Empirical Estimates of Error in ASAR-Derived 1 km Resolution Soil Moisture?","publication_year":2014,"publication_date":"2014-06-19","ids":{"openalex":"https://openalex.org/W1992212224","doi":"https://doi.org/10.1109/jstars.2014.2324657","mag":"1992212224"},"language":"en","primary_location":{"id":"doi:10.1109/jstars.2014.2324657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2324657","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"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/A5085351123","display_name":"Marcela Doubkov\u00e1","orcid":null},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]},{"id":"https://openalex.org/I4210165017","display_name":"European Space Research Institute","ror":"https://ror.org/05vt9rv16","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2801994115","https://openalex.org/I4210165017"]}],"countries":["AT","IT"],"is_corresponding":false,"raw_author_name":"Marcela Doubkova","raw_affiliation_strings":["European Space Research Institute (ESRIN), Frascati, Italy","Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"European Space Research Institute (ESRIN), Frascati, Italy","institution_ids":["https://openalex.org/I4210165017"]},{"raw_affiliation_string":"Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5011289501","display_name":"Alena Dost\u00e1lov\u00e1","orcid":"https://orcid.org/0000-0002-4738-211X"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Alena Dostalova","raw_affiliation_strings":["Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026818785","display_name":"Albert I. J. M. van Dijk","orcid":"https://orcid.org/0000-0002-6508-7480"},"institutions":[{"id":"https://openalex.org/I118347636","display_name":"Australian National University","ror":"https://ror.org/019wvm592","country_code":"AU","type":"education","lineage":["https://openalex.org/I118347636"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Albert I. J. M. van Dijk","raw_affiliation_strings":["Fenner School of Environment & Society, The Australian National University, College of Medicine, Biology and Environment, Canberra, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Fenner School of Environment & Society, The Australian National University, College of Medicine, Biology and Environment, Canberra, Australia","institution_ids":["https://openalex.org/I118347636"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5015678021","display_name":"G\u00fcnter Bl\u00f6schl","orcid":"https://orcid.org/0000-0003-2227-8225"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Gunter Bloschl","raw_affiliation_strings":["Institute of Hydraulic Engineering and Water Resources Management, Vienna University of Technology, Wien, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Hydraulic Engineering and Water Resources Management, Vienna University of Technology, Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066754586","display_name":"Wolfgang Wagner","orcid":"https://orcid.org/0000-0001-7704-6857"},"institutions":[{"id":"https://openalex.org/I145847075","display_name":"TU Wien","ror":"https://ror.org/04d836q62","country_code":"AT","type":"education","lineage":["https://openalex.org/I145847075"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Wolfgang Wagner","raw_affiliation_strings":["Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Research Groups Photogrammetry & Remote Sensing, Vienna University of Technology (Technische Universit\u00e4t Wien), Wien, Austria","institution_ids":["https://openalex.org/I145847075"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111944294","display_name":"Diego Fern\u00e1ndez\u2010Prieto","orcid":null},"institutions":[{"id":"https://openalex.org/I4210165017","display_name":"European Space Research Institute","ror":"https://ror.org/05vt9rv16","country_code":"IT","type":"facility","lineage":["https://openalex.org/I2801994115","https://openalex.org/I4210165017"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Diego Fernandez-Prieto","raw_affiliation_strings":["European Space Research Institute (ESRIN), Frascati, Italy"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"European Space Research Institute (ESRIN), Frascati, Italy","institution_ids":["https://openalex.org/I4210165017"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":1250,"currency":"USD","value_usd":1250},"apc_paid":null,"fwci":0.9925,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.76484667,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":"7","issue":"9","first_page":"3880","last_page":"3891"},"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":0.9994000196456909,"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/T10466","display_name":"Meteorological Phenomena and Simulations","score":0.996399998664856,"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/mean-squared-error","display_name":"Mean squared error","score":0.8430233001708984},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.48305898904800415},{"id":"https://openalex.org/keywords/correlation-coefficient","display_name":"Correlation coefficient","score":0.46350520849227905},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.4622165560722351},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.46196386218070984},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.43872013688087463},{"id":"https://openalex.org/keywords/noise","display_name":"Noise (video)","score":0.4318537414073944},{"id":"https://openalex.org/keywords/data-assimilation","display_name":"Data assimilation","score":0.43016955256462097},{"id":"https://openalex.org/keywords/image-resolution","display_name":"Image resolution","score":0.4167470335960388},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3609682619571686},{"id":"https://openalex.org/keywords/meteorology","display_name":"Meteorology","score":0.2524533271789551},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.14844447374343872},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.12543508410453796},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.11254188418388367}],"concepts":[{"id":"https://openalex.org/C139945424","wikidata":"https://www.wikidata.org/wiki/Q1940696","display_name":"Mean squared error","level":2,"score":0.8430233001708984},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.48305898904800415},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.46350520849227905},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.4622165560722351},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.46196386218070984},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.43872013688087463},{"id":"https://openalex.org/C99498987","wikidata":"https://www.wikidata.org/wiki/Q2210247","display_name":"Noise (video)","level":3,"score":0.4318537414073944},{"id":"https://openalex.org/C24552861","wikidata":"https://www.wikidata.org/wiki/Q2670177","display_name":"Data assimilation","level":2,"score":0.43016955256462097},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.4167470335960388},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3609682619571686},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.2524533271789551},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.14844447374343872},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.12543508410453796},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.11254188418388367},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.0},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/jstars.2014.2324657","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstars.2014.2324657","pdf_url":null,"source":{"id":"https://openalex.org/S117727964","display_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","issn_l":"1939-1404","issn":["1939-1404","2151-1535"],"is_oa":false,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"journal-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.700.1035","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.700.1035","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.hydro.tuwien.ac.at/fileadmin/mediapool-hydro/Publikationen/bloeschl_2014/2014_Doubkova_IEEE.pdf","raw_type":"text"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/67200","is_oa":false,"landing_page_url":"http://hdl.handle.net/1885/67200","pdf_url":null,"source":{"id":"https://openalex.org/S4306402539","display_name":"ANU Open Research (Australian National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I118347636","host_organization_name":"Australian National University","host_organization_lineage":["https://openalex.org/I118347636"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing","raw_type":"Journal article"},{"id":"pmh:wur:oai:library.wur.nl:wurpubs/595565","is_oa":false,"landing_page_url":"https://research.wur.nl/en/publications/how-do-spatial-scale-noise-and-reference-data-affect-empirical-es","pdf_url":null,"source":{"id":"https://openalex.org/S4306401843","display_name":"Data Archiving and Networked Services (DANS)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1322597698","host_organization_name":"Royal Netherlands Academy of Arts and Sciences","host_organization_lineage":["https://openalex.org/I1322597698"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 7(9), 3880 - 3891","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"id":"https://metadata.un.org/sdg/15","display_name":"Life in Land"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1980557921","https://openalex.org/W2010729915","https://openalex.org/W2036774006","https://openalex.org/W2047366175","https://openalex.org/W2049760535","https://openalex.org/W2051026893","https://openalex.org/W2053937117","https://openalex.org/W2067490980","https://openalex.org/W2071641450","https://openalex.org/W2086891831","https://openalex.org/W2097816127","https://openalex.org/W2105753217","https://openalex.org/W2116371833","https://openalex.org/W2117417893","https://openalex.org/W2121745948","https://openalex.org/W2123446466","https://openalex.org/W2133831422","https://openalex.org/W2138404742","https://openalex.org/W2142409859","https://openalex.org/W2146149230","https://openalex.org/W2147241431","https://openalex.org/W2148557261","https://openalex.org/W2148691574","https://openalex.org/W2152599190","https://openalex.org/W2156932922","https://openalex.org/W2166609657","https://openalex.org/W2169376978","https://openalex.org/W2170607573","https://openalex.org/W6926439816"],"related_works":["https://openalex.org/W2654527859","https://openalex.org/W1666666856","https://openalex.org/W2276167504","https://openalex.org/W3188177659","https://openalex.org/W2393565244","https://openalex.org/W2991924068","https://openalex.org/W2005054943","https://openalex.org/W3005324741","https://openalex.org/W4382982879","https://openalex.org/W4311044000"],"abstract_inverted_index":{"The":[0,76,119,155],"performance":[1],"of":[2,23,67,88,95,111,116,122,146,157,172,189,194],"the":[3,29,34,59,65,68,93,108,114,140,144,147,170,175,186,192,224,232,236,241,248],"advanced":[4,252],"synthetic":[5],"aperture":[6],"radar":[7],"(ASAR)":[8],"global":[9],"mode":[10],"(GM)":[11],"surface":[12],"soil":[13,97],"moisture":[14,98],"(SSM)":[15],"data":[16,50,70,149,177,198,225],"was":[17,178],"studied":[18],"over":[19,139],"Australia":[20],"by":[21],"means":[22],"two":[24],"widely":[25],"used":[26],"bivariate":[27],"measures,":[28],"root-mean-square":[30],"error":[31,127,141,218,239],"(RMSE)":[32],"and":[33,42,47,55,64,74,83,90,100,103,113,124,137,245],"Pearson":[35],"correlation":[36],"coefficient":[37],"(R).":[38],"By":[39,168],"computing":[40],"RMSE":[41,73,82,94,132,160],"at":[43,56,134,151,163],"multiple":[44],"spatial":[45,60,109,125,164,237],"scales":[46,165],"for":[48,92,105,129,212],"different":[49],"combinations,":[51],"we":[52],"assessed":[53],"how,":[54],"which":[57],"scales,":[58],"sampling":[61,126,238],"error,":[62],"noise,":[63],"choice":[66,115],"reference":[69,117,148,176,249],"impact":[71,171],"on":[72,107,159,180,182,201],".":[75],"results":[77],"reveal":[78],"large":[79],"changes":[80],"in":[81,174],"with":[84],"continental":[85],"average":[86],"values":[87],"8%":[89],"18%":[91],"relative":[96],"saturation":[99],"between":[101],"0.4":[102],"0.7":[104],"depending":[106],"scale":[110],"aggregation":[112],"data.":[118],"combined":[120],"effect":[121,156],"noise":[123,158],"accounted":[128],"a":[130,209],"79%":[131],"increase":[133],"1":[135],"km":[136,153,228],"predominated":[138],"due":[142],"to":[143,190,197,226,230],"choise":[145],"also":[150],"5":[152],"scale.":[154],"strongly":[161],"diminished":[162],"\u22652":[166,227],"km.":[167],"contrast,":[169],"uncertainties":[173],"larger":[179],"than":[181],"RMSE.":[183],"This":[184],"highlights":[185],"better":[187],"potential":[188,210],"estimate":[191],"benefit":[193],"observations":[195],"prior":[196],"assimilation.":[199],"Based":[200],"our":[202],"results,":[203],"it":[204],"is":[205,220],"further":[206],"suggested":[207],"that":[208],"way":[211],"an":[213],"improved":[214],"ASAR":[215],"GM":[216],"SSM":[217],"assessment":[219],"to:":[221],"1)":[222],"aggregate":[223],"resolution":[229,243],"minimize":[231],"noise;":[233],"2)":[234],"subtract":[235],"within":[240],"coarse":[242],"footprint;":[244],"3)":[246],"remove":[247],"uncertainty":[250],"using":[251],"techniques":[253],"such":[254],"as":[255],"triple":[256],"collocation.":[257]},"counts_by_year":[{"year":2019,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}