{"id":"https://openalex.org/W7213664443","doi":"https://doi.org/10.1080/10106049.2026.2733056","title":"Assessing the positioning accuracy of channel extracted from DEM: a test of channel offset","display_name":"Assessing the positioning accuracy of channel extracted from DEM: a test of channel offset","publication_year":2026,"publication_date":"2026-09-19","ids":{"openalex":"https://openalex.org/W7213664443","doi":"https://doi.org/10.1080/10106049.2026.2733056"},"language":"en","primary_location":{"id":"doi:10.1080/10106049.2026.2733056","doi":"https://doi.org/10.1080/10106049.2026.2733056","is_oa":true,"landing_page_url":"https://doi.org/10.1080/10106049.2026.2733056","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/10106049.2026.2733056?needAccess=true","source":{"id":"https://openalex.org/S106004775","display_name":"Geocarto International","issn_l":"1010-6049","issn":["1010-6049","1752-0762"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geocarto International","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.tandfonline.com/doi/pdf/10.1080/10106049.2026.2733056?needAccess=true","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5101899137","display_name":"Hailong Yu","orcid":"https://orcid.org/0000-0002-2061-5323","observed_orcids":["https://orcid.org/0000-0002-2061-5323"]},"institutions":[{"id":"https://openalex.org/I151878197","display_name":"Pingdingshan University","ror":"https://ror.org/026c29h90","country_code":"CN","type":"education","lineage":["https://openalex.org/I151878197"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hailong Yu","raw_affiliation_strings":["College of Geography and Environmental Engineering, Pingdingshan University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geography and Environmental Engineering, Pingdingshan University","institution_ids":["https://openalex.org/I151878197"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5024675644","display_name":"Zhenfa Tu","orcid":"https://orcid.org/0000-0002-9468-0355","observed_orcids":["https://orcid.org/0000-0002-9468-0355"]},"institutions":[{"id":"https://openalex.org/I40963666","display_name":"Central China Normal University","ror":"https://ror.org/03x1jna21","country_code":"CN","type":"education","lineage":["https://openalex.org/I40963666"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhenfa Tu","raw_affiliation_strings":["College of Urban and Environmental Sciences, Central China Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Urban and Environmental Sciences, Central China Normal University","institution_ids":["https://openalex.org/I40963666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069339294","display_name":"Yuan Liu","orcid":"https://orcid.org/0000-0002-2578-0707","observed_orcids":["https://orcid.org/0000-0002-2578-0707","https://orcid.org/0000-0002-5661-8518"]},"institutions":[{"id":"https://openalex.org/I49934816","display_name":"Hunan University of Technology","ror":"https://ror.org/04j3vr751","country_code":"CN","type":"education","lineage":["https://openalex.org/I49934816"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu'an Liu","raw_affiliation_strings":["School of Aerospace, Hunan University of Technology"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Aerospace, Hunan University of Technology","institution_ids":["https://openalex.org/I49934816"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003775994","display_name":"Guangming Yu","orcid":"https://orcid.org/0000-0002-3703-8841","observed_orcids":["https://orcid.org/0000-0002-3703-8841"]},"institutions":[{"id":"https://openalex.org/I40963666","display_name":"Central China Normal University","ror":"https://ror.org/03x1jna21","country_code":"CN","type":"education","lineage":["https://openalex.org/I40963666"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangming Yu","raw_affiliation_strings":["College of Urban and Environmental Sciences, Central China Normal University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Urban and Environmental Sciences, Central China Normal University","institution_ids":["https://openalex.org/I40963666"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152239443","display_name":"Xiaoxiao Qin","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xiaoxiao Qin","raw_affiliation_strings":["Zhengzhou No. 100 Middle School"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Zhengzhou No. 100 Middle School","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100346625","display_name":"Yu Fan","orcid":"https://orcid.org/0000-0002-9917-593X","observed_orcids":["https://orcid.org/0000-0002-9917-593X"]},"institutions":[{"id":"https://openalex.org/I151878197","display_name":"Pingdingshan University","ror":"https://ror.org/026c29h90","country_code":"CN","type":"education","lineage":["https://openalex.org/I151878197"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Fan Yu","raw_affiliation_strings":["College of Geography and Environmental Engineering, Pingdingshan University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Geography and Environmental Engineering, Pingdingshan University","institution_ids":["https://openalex.org/I151878197"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5101899137"],"corresponding_institution_ids":["https://openalex.org/I151878197"],"apc_list":{"value":3265,"currency":"AUD","value_usd":2390},"apc_paid":{"value":3265,"currency":"AUD","value_usd":2390},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"41","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12543","display_name":"Groundwater and Watershed Analysis","score":0.6664999723434448,"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/T12543","display_name":"Groundwater and Watershed Analysis","score":0.6664999723434448,"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/T10330","display_name":"Hydrology and Watershed Management Studies","score":0.1039000004529953,"subfield":{"id":"https://openalex.org/subfields/2312","display_name":"Water Science and Technology"},"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/T13282","display_name":"Automated Road and Building Extraction","score":0.0568000003695488,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/river-network-extraction","display_name":"river network extraction","score":0.9629999995231628},{"id":"https://openalex.org/keywords/dem-accuracy-assessment","display_name":"DEM accuracy assessment","score":0.6370000243186951},{"id":"https://openalex.org/keywords/aster-dem","display_name":"ASTER DEM","score":0.925000011920929},{"id":"https://openalex.org/keywords/srtm-dem","display_name":"SRTM DEM","score":1.0},{"id":"https://openalex.org/keywords/d8-algorithm","display_name":"D8 algorithm","score":0.7099999785423279},{"id":"https://openalex.org/keywords/hanjiang-river-basin","display_name":"Hanjiang River Basin","score":0.8939999938011169},{"id":"https://openalex.org/keywords/dem-resolution","display_name":"DEM resolution","score":0.5820000171661377}],"concepts":[{"id":"https://openalex.org/C184149073","wikidata":"https://www.wikidata.org/wiki/Q965136","display_name":"Shuttle Radar Topography Mission","level":3,"score":0.9358999729156494},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6870999932289124},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6463000178337097},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.6011000275611877},{"id":"https://openalex.org/C175291020","wikidata":"https://www.wikidata.org/wiki/Q1156822","display_name":"Offset (computer science)","level":2,"score":0.5982000231742859},{"id":"https://openalex.org/C13772937","wikidata":"https://www.wikidata.org/wiki/Q298019","display_name":"Advanced Spaceborne Thermal Emission and Reflection Radiometer","level":3,"score":0.545799970626831},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.4562999904155731},{"id":"https://openalex.org/C150547873","wikidata":"https://www.wikidata.org/wiki/Q947851","display_name":"Watershed","level":2,"score":0.45089998841285706},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.33340001106262207},{"id":"https://openalex.org/C2983696493","wikidata":"https://www.wikidata.org/wiki/Q7705730","display_name":"Test site","level":2,"score":0.3003999888896942},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.273499995470047},{"id":"https://openalex.org/C138827492","wikidata":"https://www.wikidata.org/wiki/Q6661985","display_name":"Data processing","level":2,"score":0.27160000801086426},{"id":"https://openalex.org/C16910744","wikidata":"https://www.wikidata.org/wiki/Q7705759","display_name":"Test data","level":2,"score":0.2671000063419342},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.2660999894142151},{"id":"https://openalex.org/C103278499","wikidata":"https://www.wikidata.org/wiki/Q254465","display_name":"Similarity (geometry)","level":3,"score":0.2572000026702881},{"id":"https://openalex.org/C202799725","wikidata":"https://www.wikidata.org/wiki/Q272035","display_name":"Accuracy and precision","level":2,"score":0.25200000405311584}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/10106049.2026.2733056","doi":"https://doi.org/10.1080/10106049.2026.2733056","is_oa":true,"landing_page_url":"https://doi.org/10.1080/10106049.2026.2733056","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/10106049.2026.2733056?needAccess=true","source":{"id":"https://openalex.org/S106004775","display_name":"Geocarto International","issn_l":"1010-6049","issn":["1010-6049","1752-0762"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geocarto International","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:2aac2a21bea342749212131c66b481ff","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/2aac2a21bea342749212131c66b481ff","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Geocarto International, Vol 41, Iss 1 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1080/10106049.2026.2733056","doi":"https://doi.org/10.1080/10106049.2026.2733056","is_oa":true,"landing_page_url":"https://doi.org/10.1080/10106049.2026.2733056","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/10106049.2026.2733056?needAccess=true","source":{"id":"https://openalex.org/S106004775","display_name":"Geocarto International","issn_l":"1010-6049","issn":["1010-6049","1752-0762"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-scientific","cwts-core","doaj","dongbi-b","norway-1","poland-70","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Geocarto International","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320327910","display_name":"Pingdingshan University","ror":"https://ror.org/026c29h90"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7213664443.pdf","grobid_xml":"https://content.openalex.org/works/W7213664443.grobid-xml"},"referenced_works_count":63,"referenced_works":["https://openalex.org/W1965492006","https://openalex.org/W1990287724","https://openalex.org/W1995382648","https://openalex.org/W2002422169","https://openalex.org/W2009318757","https://openalex.org/W2028243111","https://openalex.org/W2034198567","https://openalex.org/W2050338259","https://openalex.org/W2078758366","https://openalex.org/W2087884757","https://openalex.org/W2098570749","https://openalex.org/W2136921327","https://openalex.org/W2562287307","https://openalex.org/W2597529004","https://openalex.org/W2609217060","https://openalex.org/W2765596274","https://openalex.org/W2789541123","https://openalex.org/W2792388187","https://openalex.org/W2807576793","https://openalex.org/W2884461460","https://openalex.org/W2886309994","https://openalex.org/W2980947183","https://openalex.org/W2992620554","https://openalex.org/W3037202948","https://openalex.org/W3087458569","https://openalex.org/W3093483444","https://openalex.org/W3110620136","https://openalex.org/W3126853686","https://openalex.org/W3138878020","https://openalex.org/W3162966362","https://openalex.org/W3185854729","https://openalex.org/W3186220020","https://openalex.org/W4210306370","https://openalex.org/W4224317246","https://openalex.org/W4225922194","https://openalex.org/W4283807517","https://openalex.org/W4292552147","https://openalex.org/W4310758002","https://openalex.org/W4317905998","https://openalex.org/W4320494398","https://openalex.org/W4376631629","https://openalex.org/W4378373047","https://openalex.org/W4379387508","https://openalex.org/W4383222766","https://openalex.org/W4383337580","https://openalex.org/W4387258261","https://openalex.org/W4388553318","https://openalex.org/W4390458891","https://openalex.org/W4392374320","https://openalex.org/W4396646206","https://openalex.org/W4399071744","https://openalex.org/W4401756916","https://openalex.org/W4402774272","https://openalex.org/W4406670607","https://openalex.org/W4407064673","https://openalex.org/W4408384566","https://openalex.org/W4408652679","https://openalex.org/W4408977768","https://openalex.org/W4409191281","https://openalex.org/W4409766506","https://openalex.org/W4410251037","https://openalex.org/W4411245296","https://openalex.org/W4412356247"],"related_works":["https://openalex.org/W1965900964","https://openalex.org/W3127584536","https://openalex.org/W2979014692","https://openalex.org/W4320494398","https://openalex.org/W2885070801","https://openalex.org/W2562287307","https://openalex.org/W2369640369","https://openalex.org/W2017391796","https://openalex.org/W2389515085","https://openalex.org/W4399301208"],"abstract_inverted_index":{"River":[0,76],"network":[1,130],"extraction":[2],"from":[3,63,143],"DEMs":[4],"is":[5,136],"crucial":[6],"for":[7,86,91,161,166],"hydrological":[8],"analysis.":[9],"While":[10],"the":[11,31,39,58,74,100,110,119,128,144,153,171,174],"accuracy":[12,25,59,98,105],"of":[13,33,42,60,83,140,173],"watershed":[14],"area":[15],"and":[16,68,88,164],"river":[17,44,129],"length":[18],"have":[19],"been":[20],"widely":[21],"tested,":[22],"spatial":[23,148],"positioning":[24,40],"lacks":[26],"attention.":[27],"This":[28],"study":[29],"develops":[30],"Test":[32],"Channel":[34],"Offset":[35],"(TCO)":[36],"to":[37,56],"assess":[38],"errors":[41,141],"extracted":[43,62],"networks.":[45],"Using":[46],"Landsat":[47],"TM":[48],"interpreted":[49],"data":[50,116],"as":[51],"reference,":[52],"TCO":[53,175],"was":[54],"applied":[55],"evaluated":[57],"networks":[61],"ASTER":[64,101,162],"DEM":[65,70,95,111,163],"(30":[66],"m)":[67,72],"SRTM":[69,87,94,167],"(90":[71],"in":[73],"Hanjiang":[75],"Basin.":[77],"The":[78,93,147],"results":[79],"indicate":[80],"channel":[81,120,125],"offsets":[82],"0.07\u20130.4":[84],"km":[85,90],"0.09\u20131.32":[89],"ASTER.":[92],"achieved":[96],"higher":[97,124],"than":[99],"DEM,":[102,168],"demonstrating":[103],"that":[104,134],"depends":[106],"not":[107],"only":[108],"on":[109,115],"resolution":[112],"but":[113],"also":[114],"source.":[117],"Furthermore,":[118],"offset":[121],"increases":[122],"with":[123],"levels":[126],"within":[127],"hierarchy.":[131],"We":[132],"suggest":[133],"this":[135],"a":[137],"cumulative":[138],"effect":[139],"originating":[142],"D8":[145],"algorithm.":[146],"similarity":[149,156],"values":[150],"calculated":[151],"by":[152],"line":[154],"group":[155],"(LGS)":[157],"model":[158],"are":[159],"0.945":[160],"0.96":[165],"respectively,":[169],"confirming":[170],"reliability":[172],"results.":[176]},"counts_by_year":[],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2026-09-20T00:00:00"}