{"id":"https://openalex.org/W7213695693","doi":null,"title":"The Study on the Uncertainty of Slope Information Derived from DEM with Different Spatial Resolutions","display_name":"The Study on the Uncertainty of Slope Information Derived from DEM with Different Spatial Resolutions","publication_year":2006,"publication_date":"2006-01-01","ids":{"openalex":"https://openalex.org/W7213695693"},"language":"zh","primary_location":{"id":"pmh:oai:doaj.org/article:cd6d60524efe4c21b30091ba3ad4ae63","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/cd6d60524efe4c21b30091ba3ad4ae63","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":"Shuitu baochi yanjiu, Vol , Pp 153-156 (2006)","raw_type":"article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["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/A5152234091","display_name":"CHEN Nan~1","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"CHEN Nan~1","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5152205672","display_name":"TANG Guoan~2","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"TANG Guoan~2","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5152243865","display_name":"ZHU Hongchun~3","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"ZHU Hongchun~3","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"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":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.8471999764442444,"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"}},"topics":[{"id":"https://openalex.org/T12983","display_name":"Satellite Image Processing and Photogrammetry","score":0.8471999764442444,"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"}},{"id":"https://openalex.org/T12577","display_name":"Geography and Environmental Studies","score":0.041999999433755875,"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/T13511","display_name":"Geodetic Measurements and Engineering Structures","score":0.029100000858306885,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/digital-elevation-model","display_name":"digital elevation model","score":0.8429999947547913},{"id":"https://openalex.org/keywords/spatial-resolution","display_name":"spatial resolution","score":0.7910000085830688},{"id":"https://openalex.org/keywords/uncertainty","display_name":"uncertainty","score":0.7049999833106995},{"id":"https://openalex.org/keywords/entropy-information-theory","display_name":"entropy (information theory)","score":0.8050000071525574}],"concepts":[{"id":"https://openalex.org/C106301342","wikidata":"https://www.wikidata.org/wiki/Q4117933","display_name":"Entropy (arrow of time)","level":2,"score":0.5123999714851379},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.41940000653266907},{"id":"https://openalex.org/C159620131","wikidata":"https://www.wikidata.org/wiki/Q1938983","display_name":"Spatial analysis","level":2,"score":0.3885999917984009},{"id":"https://openalex.org/C185515318","wikidata":"https://www.wikidata.org/wiki/Q22723","display_name":"Loess","level":2,"score":0.3668000102043152},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3547999858856201},{"id":"https://openalex.org/C2781238097","wikidata":"https://www.wikidata.org/wiki/Q175026","display_name":"Object (grammar)","level":2,"score":0.3325999975204468},{"id":"https://openalex.org/C124101348","wikidata":"https://www.wikidata.org/wiki/Q172491","display_name":"Data mining","level":1,"score":0.32749998569488525},{"id":"https://openalex.org/C148043351","wikidata":"https://www.wikidata.org/wiki/Q4456944","display_name":"Current (fluid)","level":2,"score":0.3262999951839447},{"id":"https://openalex.org/C205372480","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"Image resolution","level":2,"score":0.3197000026702881},{"id":"https://openalex.org/C76969082","wikidata":"https://www.wikidata.org/wiki/Q486902","display_name":"Mathematical model","level":2,"score":0.30809998512268066},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.2856999933719635},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.2815000116825104},{"id":"https://openalex.org/C2778631480","wikidata":"https://www.wikidata.org/wiki/Q17143022","display_name":"Research Object","level":2,"score":0.27570000290870667},{"id":"https://openalex.org/C3019973339","wikidata":"https://www.wikidata.org/wiki/Q899523","display_name":"Object based","level":3,"score":0.26739999651908875},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.26579999923706055},{"id":"https://openalex.org/C3020199158","wikidata":"https://www.wikidata.org/wiki/Q210521","display_name":"High resolution","level":2,"score":0.2612000107765198},{"id":"https://openalex.org/C41856607","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"Geographic information system","level":2,"score":0.26030001044273376},{"id":"https://openalex.org/C133462117","wikidata":"https://www.wikidata.org/wiki/Q4929239","display_name":"Data collection","level":2,"score":0.259799987077713},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.259799987077713}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:doaj.org/article:cd6d60524efe4c21b30091ba3ad4ae63","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/cd6d60524efe4c21b30091ba3ad4ae63","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":"Shuitu baochi yanjiu, Vol , Pp 153-156 (2006)","raw_type":"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":0,"referenced_works":[],"related_works":["https://openalex.org/W2353274790","https://openalex.org/W2378130171","https://openalex.org/W2013523250","https://openalex.org/W7097200226","https://openalex.org/W2355287939","https://openalex.org/W2393485928","https://openalex.org/W2085186638","https://openalex.org/W2361053662","https://openalex.org/W2379471140","https://openalex.org/W2355173383"],"abstract_inverted_index":{"Taking":[0],"DEM":[1,64],"of":[2,23,26,32,56,60,90,101],"1\u223610000":[3],"map":[4],"scaled":[5],"as":[6],"the":[7,24,30,33,46,53,57,79,88,95,99],"research":[8],"object":[9],"and":[10,13,16,39,92],"adopting":[11],"entropy":[12],"some":[14],"indexes":[15],"comparing":[17],"methods":[18],"in":[19,36],"statistics.A":[20],"qualitative":[21],"analysis":[22],"effects":[25],"spatial":[27,67],"resolutions":[28],"on":[29],"uncertainty":[31],"derived":[34,62],"slope":[35,61,102],"loess":[37],"hill":[38],"gully":[40],"area":[41,58],"information":[42],"is":[43,71],"conducted":[44],"with":[45,65],"quantitative":[47],"mathematical":[48],"formula":[49,70],"established.The":[50],"study":[51],"proposes":[52],"evaluating":[54],"criteria":[55],"errors":[59],"from":[63],"different":[66],"resolutions.An":[68],"experience":[69],"found":[72],"that":[73],"can":[74],"be":[75],"used":[76],"to":[77,83],"compute":[78],"resolution":[80],"needed":[81],"according":[82],"current":[84],"errors,which":[85],"will":[86],"decrease":[87],"quantity":[89],"data":[91],"cut":[93],"down":[94],"cost":[96],"while":[97],"ensuring":[98],"accuracy":[100],"information.":[103]},"counts_by_year":[],"updated_date":"2026-10-04T09:36:47.201465","created_date":"2026-09-20T00:00:00"}