{"id":"https://openalex.org/W4281725348","doi":"https://doi.org/10.1080/13658816.2022.2063294","title":"Uncertainty interval estimates for computing slope and aspect from a gridded digital elevation model","display_name":"Uncertainty interval estimates for computing slope and aspect from a gridded digital elevation model","publication_year":2022,"publication_date":"2022-06-07","ids":{"openalex":"https://openalex.org/W4281725348","doi":"https://doi.org/10.1080/13658816.2022.2063294"},"language":"en","primary_location":{"id":"doi:10.1080/13658816.2022.2063294","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2022.2063294","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","raw_type":"journal-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/A5100627497","display_name":"Carlos L\u00f3pez-V\u00e1zquez","orcid":"https://orcid.org/0000-0002-8444-1510"},"institutions":[{"id":"https://openalex.org/I4210147939","display_name":"Universidad ORT Uruguay","ror":"https://ror.org/03ypykr22","country_code":"UY","type":"education","lineage":["https://openalex.org/I4210147939"]}],"countries":["UY"],"is_corresponding":true,"raw_author_name":"Carlos L\u00f3pez-V\u00e1zquez","raw_affiliation_strings":["Laboratorio LatinGEO IGM\u2009+\u2009ORT, Universidad ORT Uruguay, Montevideo, Uruguay"],"raw_orcid":"https://orcid.org/0000-0002-8444-1510","affiliations":[{"raw_affiliation_string":"Laboratorio LatinGEO IGM\u2009+\u2009ORT, Universidad ORT Uruguay, Montevideo, Uruguay","institution_ids":["https://openalex.org/I4210147939"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5100627497"],"corresponding_institution_ids":["https://openalex.org/I4210147939"],"apc_list":null,"apc_paid":null,"fwci":0.1491,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.35532412,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":97},"biblio":{"volume":"36","issue":"8","first_page":"1601","last_page":"1628"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9991999864578247,"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/T10770","display_name":"Soil Geostatistics and Mapping","score":0.9991999864578247,"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/T10716","display_name":"Soil and Unsaturated Flow","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural 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/T10330","display_name":"Hydrology and Watershed Management Studies","score":0.996399998664856,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"Digital elevation model","score":0.6179211139678955},{"id":"https://openalex.org/keywords/interval","display_name":"Interval (graph theory)","score":0.6120617389678955},{"id":"https://openalex.org/keywords/elevation","display_name":"Elevation (ballistics)","score":0.5922000408172607},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.5862274765968323},{"id":"https://openalex.org/keywords/window","display_name":"Window (computing)","score":0.5056700706481934},{"id":"https://openalex.org/keywords/partial-derivative","display_name":"Partial derivative","score":0.49395638704299927},{"id":"https://openalex.org/keywords/taylor-series","display_name":"Taylor series","score":0.484596848487854},{"id":"https://openalex.org/keywords/truncation","display_name":"Truncation (statistics)","score":0.4826086759567261},{"id":"https://openalex.org/keywords/representation","display_name":"Representation (politics)","score":0.4721624553203583},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.47176650166511536},{"id":"https://openalex.org/keywords/truncation-error","display_name":"Truncation error","score":0.4701794683933258},{"id":"https://openalex.org/keywords/second-derivative","display_name":"Second derivative","score":0.46874409914016724},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.428790420293808},{"id":"https://openalex.org/keywords/expression","display_name":"Expression (computer science)","score":0.4210561215877533},{"id":"https://openalex.org/keywords/integer","display_name":"Integer (computer science)","score":0.4168965816497803},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.37547409534454346},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3690965473651886},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.3448150157928467},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.31131502985954285},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.298402339220047},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.1982261836528778},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.15360569953918457},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.13641661405563354},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.13601243495941162}],"concepts":[{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.6179211139678955},{"id":"https://openalex.org/C2778067643","wikidata":"https://www.wikidata.org/wiki/Q166507","display_name":"Interval (graph theory)","level":2,"score":0.6120617389678955},{"id":"https://openalex.org/C37054046","wikidata":"https://www.wikidata.org/wiki/Q641888","display_name":"Elevation (ballistics)","level":2,"score":0.5922000408172607},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5862274765968323},{"id":"https://openalex.org/C2778751112","wikidata":"https://www.wikidata.org/wiki/Q835016","display_name":"Window (computing)","level":2,"score":0.5056700706481934},{"id":"https://openalex.org/C53846429","wikidata":"https://www.wikidata.org/wiki/Q186475","display_name":"Partial derivative","level":2,"score":0.49395638704299927},{"id":"https://openalex.org/C158946198","wikidata":"https://www.wikidata.org/wiki/Q131187","display_name":"Taylor series","level":2,"score":0.484596848487854},{"id":"https://openalex.org/C106195933","wikidata":"https://www.wikidata.org/wiki/Q7847935","display_name":"Truncation (statistics)","level":2,"score":0.4826086759567261},{"id":"https://openalex.org/C2776359362","wikidata":"https://www.wikidata.org/wiki/Q2145286","display_name":"Representation (politics)","level":3,"score":0.4721624553203583},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.47176650166511536},{"id":"https://openalex.org/C104942944","wikidata":"https://www.wikidata.org/wiki/Q3434686","display_name":"Truncation error","level":2,"score":0.4701794683933258},{"id":"https://openalex.org/C33257320","wikidata":"https://www.wikidata.org/wiki/Q1932744","display_name":"Second derivative","level":2,"score":0.46874409914016724},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.428790420293808},{"id":"https://openalex.org/C90559484","wikidata":"https://www.wikidata.org/wiki/Q778379","display_name":"Expression (computer science)","level":2,"score":0.4210561215877533},{"id":"https://openalex.org/C97137487","wikidata":"https://www.wikidata.org/wiki/Q729138","display_name":"Integer (computer science)","level":2,"score":0.4168965816497803},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.37547409534454346},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3690965473651886},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.3448150157928467},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.31131502985954285},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.298402339220047},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.1982261836528778},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.15360569953918457},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.13641661405563354},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.13601243495941162},{"id":"https://openalex.org/C94625758","wikidata":"https://www.wikidata.org/wiki/Q7163","display_name":"Politics","level":2,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C199539241","wikidata":"https://www.wikidata.org/wiki/Q7748","display_name":"Law","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C17744445","wikidata":"https://www.wikidata.org/wiki/Q36442","display_name":"Political science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/13658816.2022.2063294","is_oa":false,"landing_page_url":"https://doi.org/10.1080/13658816.2022.2063294","pdf_url":null,"source":{"id":"https://openalex.org/S4210181446","display_name":"International Journal of Geographical Information Systems","issn_l":"0269-3798","issn":["0269-3798","1362-3087"],"is_oa":false,"is_in_doaj":false,"is_core":false,"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Geographical Information Science","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.7300000190734863,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W161730841","https://openalex.org/W582960534","https://openalex.org/W645374302","https://openalex.org/W1507872748","https://openalex.org/W1983513512","https://openalex.org/W1992847725","https://openalex.org/W2005202386","https://openalex.org/W2015251024","https://openalex.org/W2025725598","https://openalex.org/W2032075694","https://openalex.org/W2037308434","https://openalex.org/W2038407189","https://openalex.org/W2053020576","https://openalex.org/W2066107058","https://openalex.org/W2080976015","https://openalex.org/W2097904732","https://openalex.org/W2134248412","https://openalex.org/W2136786342","https://openalex.org/W2149532674","https://openalex.org/W2324127454","https://openalex.org/W2431590743","https://openalex.org/W3095061895","https://openalex.org/W3198113718","https://openalex.org/W4235135656","https://openalex.org/W4299357386"],"related_works":["https://openalex.org/W3198042010","https://openalex.org/W3196474461","https://openalex.org/W1990789772","https://openalex.org/W4232148501","https://openalex.org/W2169184289","https://openalex.org/W3023377253","https://openalex.org/W2065457110","https://openalex.org/W4252588149","https://openalex.org/W2060702269","https://openalex.org/W2100031444"],"abstract_inverted_index":{"The":[0,22,63,103,157],"first":[1],"order":[2],"derivatives":[3,105],"of":[4,46,56,60,82,92,193],"a":[5,12,26,33,44,88,93,120,129,133,140,180],"Digital":[6],"Elevation":[7],"Model":[8],"(DEM)":[9],"defined":[10,116],"over":[11,87,119,132],"regular":[13],"grid":[14],"are":[15],"usually":[16],"computed":[17],"without":[18],"an":[19,36,76,100,147,184],"uncertainty":[20,37],"estimate.":[21],"standard":[23],"procedure":[24,115,127,150],"involves":[25],"compact":[27],"3":[28,30,134,136],"\u00d7":[29,122,135,142],"window.":[31],"Using":[32],"Taylor":[34],"expansion,":[35],"interval":[38],"for":[39,65,162],"each":[40],"partial":[41,104],"derivative":[42],"as":[43],"function":[45],"the":[47,83,113,125,152,169,176,190],"cell":[48,177],"size":[49],"was":[50,187],"devised":[51],"using":[52,128,139],"two":[53],"estimates,":[54],"either":[55],"different":[57,61,80,111],"resolution":[58],"or":[59],"order.":[62],"intervals":[64,161],"slope":[66,84,164],"and":[67,85,96,138,151,165,195],"aspect":[68,86,166],"can":[69],"be":[70],"derived":[71],"afterwards.":[72],"We":[73],"carried":[74],"out":[75],"experiment":[77],"comparing":[78],"some":[79],"estimates":[81],"synthetic":[89],"surface":[90],"representative":[91],"real":[94,181],"topography":[95],"amenable":[97],"to":[98,155],"offer":[99],"exact":[101,170],"derivative.":[102],"were":[106],"numerically":[107],"estimated":[108],"with":[109,146,183],"four":[110],"procedures:":[112],"Simple":[114],"by":[117],"Jones":[118],"2":[121,123],"window,":[124,137],"Evans\u2013Young":[126,149],"centered":[130],"difference":[131],"5":[141,143],"window":[144],"both":[145,163],"extrapolated":[148],"expression":[153],"due":[154],"Florinsky.":[156],"results":[158],"confirm":[159],"that":[160],"always":[167],"included":[168],"value":[171],"even":[172],"after":[173],"drastically":[174],"increasing":[175],"size.":[178],"Finally,":[179],"case":[182],"integer-valued":[185],"DEM":[186],"considered,":[188],"illustrating":[189],"combined":[191],"effect":[192],"Representation":[194],"Truncation":[196],"error.":[197]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2}],"updated_date":"2026-08-15T07:11:24.734988","created_date":"2025-10-10T00:00:00"}