{"id":"https://openalex.org/W6925820512","doi":"https://doi.org/10.21227/dwex-hm52","title":"A purely spaceborne open source approach for regional bathymetry mapping: Bahamas Median DEM","display_name":"A purely spaceborne open source approach for regional bathymetry mapping: Bahamas Median DEM","publication_year":2022,"publication_date":"2022-06-20","ids":{"openalex":"https://openalex.org/W6925820512","doi":"https://doi.org/10.21227/dwex-hm52"},"language":"en","primary_location":{"id":"doi:10.21227/dwex-hm52","is_oa":true,"landing_page_url":"https://doi.org/10.21227/dwex-hm52","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"dataset"},"type":"dataset","indexed_in":["datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://doi.org/10.21227/dwex-hm52","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":null,"display_name":"Thomas, Nathan","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Thomas, Nathan","raw_affiliation_strings":["University of Maryland/NASA GSFC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Maryland/NASA GSFC","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Lee, Brian","orcid":null},"institutions":[{"id":"https://openalex.org/I154570441","display_name":"University of California, Santa Barbara","ror":"https://ror.org/02t274463","country_code":"US","type":"education","lineage":["https://openalex.org/I154570441"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lee, Brian","raw_affiliation_strings":["University of California Santa Barbara"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of California Santa Barbara","institution_ids":["https://openalex.org/I154570441"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Coutts, Oliver","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Coutts, Oliver","raw_affiliation_strings":["Aberystwyth University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aberystwyth University","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Bunting, Pete","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bunting, Pete","raw_affiliation_strings":["Aberystwyth University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Aberystwyth University","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"Lagomasino, David","orcid":null},"institutions":[{"id":"https://openalex.org/I186335123","display_name":"East Carolina University","ror":"https://ror.org/01vx35703","country_code":"US","type":"education","lineage":["https://openalex.org/I186335123"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Lagomasino, David","raw_affiliation_strings":["East Carolina University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"East Carolina University","institution_ids":["https://openalex.org/I186335123"]}]},{"author_position":"last","author":{"id":null,"display_name":"Fatoyinbo, Lola","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Fatoyinbo, Lola","raw_affiliation_strings":["NASA GSFC"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"NASA GSFC","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":true,"primary_topic":{"id":"https://openalex.org/T13650","display_name":"Computational Physics and Python Applications","score":0.045099999755620956,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T13650","display_name":"Computational Physics and Python Applications","score":0.045099999755620956,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T10054","display_name":"Parallel Computing and Optimization Techniques","score":0.02459999918937683,"subfield":{"id":"https://openalex.org/subfields/1708","display_name":"Hardware and Architecture"},"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/T13116","display_name":"Heat Transfer and Numerical Methods","score":0.013399999588727951,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/bathymetry","display_name":"Bathymetry","score":0.9843000173568726},{"id":"https://openalex.org/keywords/lidar","display_name":"Lidar","score":0.5755000114440918},{"id":"https://openalex.org/keywords/bathymetric-chart","display_name":"Bathymetric chart","score":0.5443000197410583},{"id":"https://openalex.org/keywords/scale","display_name":"Scale (ratio)","score":0.5221999883651733},{"id":"https://openalex.org/keywords/workflow","display_name":"Workflow","score":0.4020000100135803},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.33000001311302185}],"concepts":[{"id":"https://openalex.org/C174943157","wikidata":"https://www.wikidata.org/wiki/Q810826","display_name":"Bathymetry","level":2,"score":0.9843000173568726},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6650000214576721},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.6647999882698059},{"id":"https://openalex.org/C51399673","wikidata":"https://www.wikidata.org/wiki/Q504027","display_name":"Lidar","level":2,"score":0.5755000114440918},{"id":"https://openalex.org/C138845058","wikidata":"https://www.wikidata.org/wiki/Q2915844","display_name":"Bathymetric chart","level":3,"score":0.5443000197410583},{"id":"https://openalex.org/C2778755073","wikidata":"https://www.wikidata.org/wiki/Q10858537","display_name":"Scale (ratio)","level":2,"score":0.5221999883651733},{"id":"https://openalex.org/C177212765","wikidata":"https://www.wikidata.org/wiki/Q627335","display_name":"Workflow","level":2,"score":0.4020000100135803},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","level":1,"score":0.39100000262260437},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.33000001311302185},{"id":"https://openalex.org/C160633673","wikidata":"https://www.wikidata.org/wiki/Q355198","display_name":"Pixel","level":2,"score":0.2777000069618225},{"id":"https://openalex.org/C2989451103","wikidata":"https://www.wikidata.org/wiki/Q1928951","display_name":"Satellite altimetry","level":3,"score":0.271699994802475},{"id":"https://openalex.org/C17534553","wikidata":"https://www.wikidata.org/wiki/Q216197","display_name":"Altimeter","level":2,"score":0.2547999918460846},{"id":"https://openalex.org/C2778102629","wikidata":"https://www.wikidata.org/wiki/Q725252","display_name":"Satellite imagery","level":2,"score":0.2533000111579895},{"id":"https://openalex.org/C41856607","wikidata":"https://www.wikidata.org/wiki/Q483130","display_name":"Geographic information system","level":2,"score":0.25200000405311584},{"id":"https://openalex.org/C181843262","wikidata":"https://www.wikidata.org/wiki/Q640492","display_name":"Digital elevation model","level":2,"score":0.25110000371932983}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21227/dwex-hm52","is_oa":true,"landing_page_url":"https://doi.org/10.21227/dwex-hm52","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"dataset"}],"best_oa_location":{"id":"doi:10.21227/dwex-hm52","is_oa":true,"landing_page_url":"https://doi.org/10.21227/dwex-hm52","pdf_url":null,"source":{"id":"https://openalex.org/S7407051695","display_name":"IEEE DataPort","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"dataset"},"sustainable_development_goals":[{"score":0.5596734285354614,"display_name":"Life below water","id":"https://metadata.un.org/sdg/14"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":[],"abstract_inverted_index":{"Timely":[0],"and":[1,18,24,34,60,105,113,126,138,145],"up-to-date":[2],"bathymetry":[3,52,82,131,154],"maps":[4,83,155],"over":[5],"large":[6],"geographical":[7],"areas":[8],"have":[9,37,45],"been":[10,46],"difficult":[11],"to":[12,15,42,117],"create,":[13],"due":[14],"the":[16,85,90,110],"cost":[17],"difficulty":[19],"of":[20,29,49,92,100,123,135,140,150],"collecting":[21],"in":[22],"situ calibration":[23],"validation":[25],"data.":[26,159],"Recently,":[27],"combinations":[28],"spaceborne":[30,158],"ICESat-2":[31,55,103],"lidar":[32],"data":[33,36],"Landsat/Sentinel-2":[35],"reduced":[38],"these":[39],"obstacles.":[40],"However,":[41],"date":[43],"there":[44],"no":[47,61],"means":[48,99,149],"automatically":[50],"extracting":[51],"photons":[53],"from":[54,156],"tracks":[56,104],"for":[57,67,80,84],"model":[58],"calibration/validation":[59],"well":[62],"established":[63],"open":[64,77],"source":[65,78],"workflows":[66],"generating":[68,81],"regional":[69],"scale":[70],"bathymetric":[71],"models.":[72],"Here":[73],"we":[74],"provide":[75,118],"an":[76,97,133],"approach":[79],"shallow":[86],"water":[87],"region":[88],"around":[89],"island":[91],"Andros,":[93],"Bahamas.":[94],"We":[95,129],"demonstrate":[96,147],"efficient":[98],"processing":[101],"224":[102],"221":[106],"Landsat-8":[107],"scenes,":[108],"using":[109],"C-SHELPh":[111],"algorithm":[112],"Extra":[114],"Trees":[115],"Regression":[116],"30":[119],"m":[120,137],"pixel":[121],"estimates":[122],"per-pixel":[124],"depth":[125],"standard":[127],"error.":[128],"map":[130],"with":[132],"RMSE":[134],"0.32":[136],"RMSE%":[139],"6.7":[141],"\\%.":[142],"Our":[143],"workflow":[144],"results":[146],"a":[148],"achieving":[151],"accurate":[152],"regional--scale":[153],"purely":[157]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}