{"id":"https://openalex.org/W1982937520","doi":"https://doi.org/10.2136/sssaj2000.6441244x","title":"Impacts of the Real and Imaginary Components of Relative Permittivity on Time Domain Reflectometry Measurements in Soils","display_name":"Impacts of the Real and Imaginary Components of Relative Permittivity on Time Domain Reflectometry Measurements in Soils","publication_year":2000,"publication_date":"2000-07-01","ids":{"openalex":"https://openalex.org/W1982937520","doi":"https://doi.org/10.2136/sssaj2000.6441244x","mag":"1982937520"},"language":"en","primary_location":{"id":"doi:10.2136/sssaj2000.6441244x","doi":"https://doi.org/10.2136/sssaj2000.6441244x","is_oa":false,"landing_page_url":"https://doi.org/10.2136/sssaj2000.6441244x","pdf_url":null,"source":{"id":"https://openalex.org/S59755854","display_name":"Soil Science Society of America Journal","issn_l":"0361-5995","issn":["0361-5995","1435-0661"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","norway-2","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soil Science Society of America Journal","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5060998958","display_name":"George Clarke Topp","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1331897569","display_name":"Agriculture and Agri-Food Canada","ror":"https://ror.org/051dzs374","country_code":"CA","type":"government","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613"]},{"id":"https://openalex.org/I4390039273","display_name":"Ottawa Research and Development Centre","ror":"https://ror.org/03fx3ra47","country_code":"CA","type":"facility","lineage":["https://openalex.org/I1331897569","https://openalex.org/I2802286613","https://openalex.org/I4390039273"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"G.C. Topp","raw_affiliation_strings":["Crop Production, Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Ave., Ottawa, Canada, K1A 0C6"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Crop Production, Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, 960 Carling Ave., Ottawa, Canada, K1A 0C6","institution_ids":["https://openalex.org/I1331897569","https://openalex.org/I4390039273"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5110101550","display_name":"Steve Zegelin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I1292875679","display_name":"Commonwealth Scientific and Industrial Research Organisation","ror":"https://ror.org/03qn8fb07","country_code":"AU","type":"government","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4387156119"]},{"id":"https://openalex.org/I4210161554","display_name":"CSIRO Land and Water","ror":"https://ror.org/057xz1h85","country_code":"AU","type":"facility","lineage":["https://openalex.org/I1292875679","https://openalex.org/I2801453606","https://openalex.org/I4210161554","https://openalex.org/I4387156119","https://openalex.org/I4405257511"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"S. Zegelin","raw_affiliation_strings":["Land and Water Commonwealth Scientific and Industrial Research Organization, G.P.O. Box 1666, Canberra, ACT 2601, Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Land and Water Commonwealth Scientific and Industrial Research Organization, G.P.O. Box 1666, Canberra, ACT 2601, Australia","institution_ids":["https://openalex.org/I1292875679","https://openalex.org/I4210161554"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075208243","display_name":"Ian White","orcid":"https://orcid.org/0000-0002-6078-0489","observed_orcids":["https://orcid.org/0000-0002-6078-0489"]},"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":"I. White","raw_affiliation_strings":["Water Research Foundation of Australia, Centre for Resources and Environmental Studies; Australian National Univ.; Canberra ACT 2601 Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Water Research Foundation of Australia, Centre for Resources and Environmental Studies; Australian National Univ.; Canberra ACT 2601 Australia","institution_ids":["https://openalex.org/I118347636"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5060998958"],"corresponding_institution_ids":["https://openalex.org/I1331897569","https://openalex.org/I4390039273"],"apc_list":{"value":2020,"currency":"USD","value_usd":2020},"apc_paid":null,"fwci":3.8766,"has_fulltext":false,"cited_by_count":169,"citation_normalized_percentile":{"value":0.92793962,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"64","issue":"4","first_page":"1244","last_page":"1252"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11609","display_name":"Geophysical Methods and Applications","score":0.9771000146865845,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"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/T11607","display_name":"Microwave and Dielectric Measurement Techniques","score":0.008799999952316284,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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":0.003800000064074993,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/time-domain-reflectometry","display_name":"time domain reflectometry","score":0.9990000128746033},{"id":"https://openalex.org/keywords/complex-relative-permittivity","display_name":"complex relative permittivity","score":0.9369999766349792},{"id":"https://openalex.org/keywords/dielectric-loss","display_name":"dielectric loss","score":0.7400000095367432},{"id":"https://openalex.org/keywords/soil-moisture","display_name":"soil moisture","score":0.984000027179718},{"id":"https://openalex.org/keywords/soil-salinity","display_name":"soil salinity","score":0.7200000286102295},{"id":"https://openalex.org/keywords/dc-conductivity","display_name":"DC conductivity","score":0.7739999890327454},{"id":"https://openalex.org/keywords/clay-content","display_name":"clay content","score":0.902999997138977},{"id":"https://openalex.org/keywords/wave-equation","display_name":"wave equation","score":0.652999997138977},{"id":"https://openalex.org/keywords/tdr-calibration","display_name":"TDR calibration","score":0.7429999709129333},{"id":"https://openalex.org/keywords/electrolyte-conductivity","display_name":"electrolyte conductivity","score":0.5860000252723694}],"concepts":[{"id":"https://openalex.org/C2778925768","wikidata":"https://www.wikidata.org/wiki/Q3454718","display_name":"Reflectometry","level":3,"score":0.8368892669677734},{"id":"https://openalex.org/C13760523","wikidata":"https://www.wikidata.org/wiki/Q4027242","display_name":"Relative permittivity","level":4,"score":0.7450249791145325},{"id":"https://openalex.org/C159750122","wikidata":"https://www.wikidata.org/wiki/Q96621023","display_name":"Soil water","level":2,"score":0.7263571619987488},{"id":"https://openalex.org/C168651791","wikidata":"https://www.wikidata.org/wiki/Q211569","display_name":"Permittivity","level":3,"score":0.70272296667099},{"id":"https://openalex.org/C24939127","wikidata":"https://www.wikidata.org/wiki/Q373499","display_name":"Water content","level":2,"score":0.6893444061279297},{"id":"https://openalex.org/C133386390","wikidata":"https://www.wikidata.org/wiki/Q184996","display_name":"Dielectric","level":2,"score":0.618722140789032},{"id":"https://openalex.org/C131540310","wikidata":"https://www.wikidata.org/wiki/Q907564","display_name":"Conductivity","level":2,"score":0.61141437292099},{"id":"https://openalex.org/C159390177","wikidata":"https://www.wikidata.org/wiki/Q9161265","display_name":"Soil science","level":1,"score":0.5711280703544617},{"id":"https://openalex.org/C69990965","wikidata":"https://www.wikidata.org/wiki/Q65402698","display_name":"Electrical resistivity and conductivity","level":2,"score":0.44543060660362244},{"id":"https://openalex.org/C113196181","wikidata":"https://www.wikidata.org/wiki/Q485223","display_name":"Analytical Chemistry (journal)","level":2,"score":0.4395405948162079},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.4114600121974945},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.391730397939682},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.3836323022842407},{"id":"https://openalex.org/C30475298","wikidata":"https://www.wikidata.org/wiki/Q909554","display_name":"Computational physics","level":1,"score":0.33899351954460144},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.33427974581718445},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.27846354246139526},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2768745720386505},{"id":"https://openalex.org/C187320778","wikidata":"https://www.wikidata.org/wiki/Q1349130","display_name":"Geotechnical engineering","level":1,"score":0.2156098186969757},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.1898302435874939},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.16149356961250305},{"id":"https://openalex.org/C49040817","wikidata":"https://www.wikidata.org/wiki/Q193091","display_name":"Optoelectronics","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"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/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2136/sssaj2000.6441244x","doi":"https://doi.org/10.2136/sssaj2000.6441244x","is_oa":false,"landing_page_url":"https://doi.org/10.2136/sssaj2000.6441244x","pdf_url":null,"source":{"id":"https://openalex.org/S59755854","display_name":"Soil Science Society of America Journal","issn_l":"0361-5995","issn":["0361-5995","1435-0661"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-2","ki-jl-2","norway-2","poland-100","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Soil Science Society of America Journal","raw_type":"journal-article"},{"id":"pmh:oai:openresearch-repository.anu.edu.au:1885/89888","doi":null,"is_oa":false,"landing_page_url":"http://hdl.handle.net/1885/89888","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,"listed_in":[],"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":"Soil Science Society of America Journal","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":17,"referenced_works":["https://openalex.org/W1965081407","https://openalex.org/W1965985862","https://openalex.org/W1969763376","https://openalex.org/W1990060870","https://openalex.org/W1990289403","https://openalex.org/W1994512323","https://openalex.org/W1998742682","https://openalex.org/W2009746105","https://openalex.org/W2025797665","https://openalex.org/W2050922711","https://openalex.org/W2066641899","https://openalex.org/W2070098972","https://openalex.org/W2074458356","https://openalex.org/W2077431486","https://openalex.org/W2129383511","https://openalex.org/W2171228701","https://openalex.org/W2312225389"],"related_works":["https://openalex.org/W7019741850","https://openalex.org/W2144746539","https://openalex.org/W2074458356","https://openalex.org/W2077431486","https://openalex.org/W7097484685","https://openalex.org/W4205132357","https://openalex.org/W7112750090","https://openalex.org/W4213193862","https://openalex.org/W2009746105","https://openalex.org/W4250824316"],"abstract_inverted_index":{"Time":[0],"domain":[1],"reflectometry":[2],"(TDR)":[3],"is":[4,32,72],"widely":[5],"used":[6,179],"for":[7,36,129,159],"routine":[8],"field":[9],"monitoring":[10],"of":[11,20,44,53,81,101,132,169,194,215],"water":[12,21,61,109,133],"content":[13,22,122,134,220],"and":[14,67,78,94,105,147,156,175,191,205],"salts":[15],"in":[16,86,103,117,221,227],"soils.":[17],"Most":[18],"estimates":[19],"assume":[23],"the":[24,37,45,51,76,82,91,99,139,145,195,202,213,222,228],"TDR\u2010measured":[25],"apparent":[26],"relative":[27,48,83,196],"permittivity,":[28],"\u03f5":[29,40,54,70,87,152],"a":[30,33,71,88,153,172,182],",":[31,43],"good":[34],"approximation":[35],"real":[38,77,146,190],"component,":[39],"\u2032":[41,55],"r":[42,56],"soil's":[46],"complex":[47],"permittivity":[49],"with":[50,119],"magnitude":[52],"being":[57],"determined":[58],"primarily":[59],"by":[60,74],"content.":[62,107],"We":[63,137],"examine":[64],"this":[65,176],"assumption":[66],"show":[68],"that":[69,170,201],"influenced":[73],"both":[75],"imaginary":[79,148,192],"components":[80,193],"permittivity.":[84,197],"Increases":[85],"resulted":[89],"from":[90,98,135,171,218],"dc":[92,160],"conductivity":[93,161],"dielectric":[95,203],"loss":[96],"arising":[97],"presence":[100],"ions":[102],"solution":[104],"clay":[106,121,219],"At":[108],"contents":[110],"above":[111],"0.15":[112],"m":[113,115],"3":[114],"\u22123":[116],"soils":[118],"high":[120],"and/or":[123],"salt,":[124],"specific":[125],"calibrations":[126],"are":[127],"needed":[128],"precise":[130],"determinations":[131],"TDR.":[136],"use":[138],"wave":[140],"propagation":[141],"equations":[142],"to":[143,151,165,180,188,212],"separate":[144,189],"component":[149],"contributions":[150],"The":[154],"Giese":[155],"Tiemann":[157],"interpretation":[158],"was":[162,178,199],"again":[163],"shown":[164],"be":[166],"within":[167],"10%":[168],"conductance":[173],"meter":[174],"fact":[177],"propose":[181],"method":[183],"using":[184],"only":[185],"TDR":[186],"data":[187],"It":[198],"found":[200],"losses":[204,207],"conductive":[206],"did":[208],"not":[209],"differ":[210],"according":[211],"source":[214],"conductivity,":[216],"whether":[217],"soil":[223,229],"matrix":[224],"or":[225],"electrolyte":[226],"solution.":[230]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":10},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":8},{"year":2018,"cited_by_count":10},{"year":2017,"cited_by_count":8},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":6},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":11},{"year":2012,"cited_by_count":9}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}