{"id":"https://openalex.org/W7167458103","doi":"https://doi.org/10.3389/fmars.2026.1841106","title":"Seafloor morphology and sedimentology in the Brazilian semi-arid continental shelf: a high-resolution geophysical baseline from the Cear\u00e1 Basin","display_name":"Seafloor morphology and sedimentology in the Brazilian semi-arid continental shelf: a high-resolution geophysical baseline from the Cear\u00e1 Basin","publication_year":2026,"publication_date":"2026-07-06","ids":{"openalex":"https://openalex.org/W7167458103","doi":"https://doi.org/10.3389/fmars.2026.1841106"},"language":"en","primary_location":{"id":"doi:10.3389/fmars.2026.1841106","doi":"https://doi.org/10.3389/fmars.2026.1841106","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmars.2026.1841106","pdf_url":null,"source":{"id":"https://openalex.org/S2596539584","display_name":"Frontiers in Marine Science","issn_l":"2296-7745","issn":["2296-7745"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Marine Science","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://doi.org/10.3389/fmars.2026.1841106","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5123850105","display_name":"Luiz Henrique Joca Leite","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Luiz Henrique Joca Leite","raw_affiliation_strings":["Marine and Energy-Applied Geology and Geophysics Laboratory, Geology Department, Federal University of Cear\u00e1"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Marine and Energy-Applied Geology and Geophysics Laboratory, Geology Department, Federal University of Cear\u00e1","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5019852489","display_name":"Narelle Maia de Almeida","orcid":"https://orcid.org/0000-0003-2586-4502","observed_orcids":["https://orcid.org/0000-0003-2586-4502"]},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":true,"raw_author_name":"Narelle Maia de Almeida","raw_affiliation_strings":["Marine and Energy-Applied Geology and Geophysics Laboratory, Geology Department, Federal University of Cear\u00e1"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Marine and Energy-Applied Geology and Geophysics Laboratory, Geology Department, Federal University of Cear\u00e1","institution_ids":["https://openalex.org/I243754102"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5019852489"],"corresponding_institution_ids":["https://openalex.org/I243754102"],"apc_list":{"value":3150,"currency":"CHF","value_usd":3801},"apc_paid":{"value":3150,"currency":"CHF","value_usd":3801},"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":"13","issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11698","display_name":"Underwater Acoustics Research","score":0.61080002784729,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T11698","display_name":"Underwater Acoustics Research","score":0.61080002784729,"subfield":{"id":"https://openalex.org/subfields/1910","display_name":"Oceanography"},"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/T10965","display_name":"Geological formations and processes","score":0.3310999870300293,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"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/T10647","display_name":"Coastal and Marine Dynamics","score":0.04560000076889992,"subfield":{"id":"https://openalex.org/subfields/1904","display_name":"Earth-Surface Processes"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/bathymetry","display_name":"bathymetry","score":0.9729999899864197},{"id":"https://openalex.org/keywords/bedforms","display_name":"bedforms","score":0.7860000133514404},{"id":"https://openalex.org/keywords/sand-waves","display_name":"sand waves","score":0.7979999780654907},{"id":"https://openalex.org/keywords/ceara-basin","display_name":"Cear\u00e1 Basin","score":0.8090000152587891},{"id":"https://openalex.org/keywords/side-scan-sonar","display_name":"side-scan sonar","score":0.7889999747276306},{"id":"https://openalex.org/keywords/grain-size-variation","display_name":"grain size variation","score":0.6650000214576721},{"id":"https://openalex.org/keywords/seafloor-roughness","display_name":"seafloor roughness","score":0.699999988079071},{"id":"https://openalex.org/keywords/marine-spatial-planning","display_name":"marine spatial planning","score":0.6380000114440918},{"id":"https://openalex.org/keywords/geomorphological-mapping","display_name":"geomorphological mapping","score":0.3799999952316284}],"concepts":[{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.8337000012397766},{"id":"https://openalex.org/C174943157","wikidata":"https://www.wikidata.org/wiki/Q810826","display_name":"Bathymetry","level":2,"score":0.7736999988555908},{"id":"https://openalex.org/C117485682","wikidata":"https://www.wikidata.org/wiki/Q215920","display_name":"Seafloor spreading","level":2,"score":0.7276999950408936},{"id":"https://openalex.org/C74532950","wikidata":"https://www.wikidata.org/wiki/Q4879253","display_name":"Bedform","level":4,"score":0.6614999771118164},{"id":"https://openalex.org/C50254455","wikidata":"https://www.wikidata.org/wiki/Q1164536","display_name":"Echo sounding","level":2,"score":0.6589000225067139},{"id":"https://openalex.org/C33613203","wikidata":"https://www.wikidata.org/wiki/Q468469","display_name":"Seabed","level":2,"score":0.6521000266075134},{"id":"https://openalex.org/C184751465","wikidata":"https://www.wikidata.org/wiki/Q134851","display_name":"Continental shelf","level":2,"score":0.6514000296592712},{"id":"https://openalex.org/C104873425","wikidata":"https://www.wikidata.org/wiki/Q205768","display_name":"Sedimentology","level":2,"score":0.6466000080108643},{"id":"https://openalex.org/C12725497","wikidata":"https://www.wikidata.org/wiki/Q810247","display_name":"Baseline (sea)","level":2,"score":0.6349999904632568},{"id":"https://openalex.org/C201867031","wikidata":"https://www.wikidata.org/wiki/Q3290577","display_name":"Continental margin","level":3,"score":0.4968000054359436},{"id":"https://openalex.org/C28115305","wikidata":"https://www.wikidata.org/wiki/Q1050578","display_name":"Marine geology","level":2,"score":0.49230000376701355},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.48249998688697815},{"id":"https://openalex.org/C2816523","wikidata":"https://www.wikidata.org/wiki/Q180184","display_name":"Sediment","level":2,"score":0.4814000129699707},{"id":"https://openalex.org/C162284963","wikidata":"https://www.wikidata.org/wiki/Q17106102","display_name":"Submarine pipeline","level":2,"score":0.4794999957084656},{"id":"https://openalex.org/C555745239","wikidata":"https://www.wikidata.org/wiki/Q133220","display_name":"Sonar","level":2,"score":0.477400004863739},{"id":"https://openalex.org/C65589250","wikidata":"https://www.wikidata.org/wiki/Q7445303","display_name":"Sediment transport","level":3,"score":0.4214000105857849},{"id":"https://openalex.org/C114793014","wikidata":"https://www.wikidata.org/wiki/Q52109","display_name":"Geomorphology","level":1,"score":0.4146000146865845},{"id":"https://openalex.org/C109007969","wikidata":"https://www.wikidata.org/wiki/Q749565","display_name":"Structural basin","level":2,"score":0.3898000121116638},{"id":"https://openalex.org/C83877588","wikidata":"https://www.wikidata.org/wiki/Q28337","display_name":"Shoal","level":2,"score":0.30309998989105225},{"id":"https://openalex.org/C158709400","wikidata":"https://www.wikidata.org/wiki/Q3578586","display_name":"Spatial ecology","level":2,"score":0.30309998989105225},{"id":"https://openalex.org/C112959462","wikidata":"https://www.wikidata.org/wiki/Q1434465","display_name":"Fluvial","level":3,"score":0.302700012922287},{"id":"https://openalex.org/C94747663","wikidata":"https://www.wikidata.org/wiki/Q7574086","display_name":"Spatial variability","level":2,"score":0.296999990940094},{"id":"https://openalex.org/C2776355146","wikidata":"https://www.wikidata.org/wiki/Q357527","display_name":"Side-scan sonar","level":3,"score":0.2890999913215637},{"id":"https://openalex.org/C82586738","wikidata":"https://www.wikidata.org/wiki/Q193842","display_name":"Geologic map","level":2,"score":0.2773999869823456},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.2700999975204468},{"id":"https://openalex.org/C2781195486","wikidata":"https://www.wikidata.org/wiki/Q289436","display_name":"Texture (cosmology)","level":3,"score":0.265500009059906},{"id":"https://openalex.org/C20364790","wikidata":"https://www.wikidata.org/wiki/Q1069932","display_name":"Oceanic basin","level":3,"score":0.2590999901294708},{"id":"https://openalex.org/C99560943","wikidata":"https://www.wikidata.org/wiki/Q3689394","display_name":"Contourite","level":4,"score":0.2572999894618988}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.3389/fmars.2026.1841106","doi":"https://doi.org/10.3389/fmars.2026.1841106","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmars.2026.1841106","pdf_url":null,"source":{"id":"https://openalex.org/S2596539584","display_name":"Frontiers in Marine Science","issn_l":"2296-7745","issn":["2296-7745"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Marine Science","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:72146d23ff2c4aea9a3f901fdb90b2d8","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/72146d23ff2c4aea9a3f901fdb90b2d8","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":"Frontiers in Marine Science, Vol 13 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3389/fmars.2026.1841106","doi":"https://doi.org/10.3389/fmars.2026.1841106","is_oa":true,"landing_page_url":"https://doi.org/10.3389/fmars.2026.1841106","pdf_url":null,"source":{"id":"https://openalex.org/S2596539584","display_name":"Frontiers in Marine Science","issn_l":"2296-7745","issn":["2296-7745"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","norway-1","poland-100","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320527","host_organization_name":"Frontiers Media","host_organization_lineage":["https://openalex.org/P4310320527"],"host_organization_lineage_names":["Frontiers Media"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Frontiers in Marine Science","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.5769000053405762}],"study_designs":[],"awards":[{"id":"https://openalex.org/G1273763615","display_name":null,"funder_award_id":"313128/2025-1","funder_id":"https://openalex.org/F4320322025","funder_display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico"},{"id":"https://openalex.org/G4262727837","display_name":null,"funder_award_id":"PD-00553-0069/2021","funder_id":"https://openalex.org/F4320322468","funder_display_name":"Petrobras"}],"funders":[{"id":"https://openalex.org/F4320322025","display_name":"Conselho Nacional de Desenvolvimento Cient\u00edfico e Tecnol\u00f3gico","ror":"https://ror.org/03swz6y49"},{"id":"https://openalex.org/F4320322468","display_name":"Petrobras","ror":"https://ror.org/0235kyq22"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":100,"referenced_works":["https://openalex.org/W806783373","https://openalex.org/W1051902666","https://openalex.org/W1907005196","https://openalex.org/W1963792587","https://openalex.org/W1967807952","https://openalex.org/W1976591781","https://openalex.org/W1982584673","https://openalex.org/W1983354985","https://openalex.org/W1990082322","https://openalex.org/W1991510441","https://openalex.org/W2003028494","https://openalex.org/W2004529964","https://openalex.org/W2010452114","https://openalex.org/W2021539391","https://openalex.org/W2042792467","https://openalex.org/W2046042452","https://openalex.org/W2053906134","https://openalex.org/W2059528862","https://openalex.org/W2061845055","https://openalex.org/W2070718591","https://openalex.org/W2071366451","https://openalex.org/W2082246939","https://openalex.org/W2155182454","https://openalex.org/W2159525271","https://openalex.org/W2162170042","https://openalex.org/W2183232105","https://openalex.org/W2220830232","https://openalex.org/W2258620637","https://openalex.org/W2299482312","https://openalex.org/W2341905429","https://openalex.org/W2487342776","https://openalex.org/W2519525412","https://openalex.org/W2528933300","https://openalex.org/W2589718352","https://openalex.org/W2609422555","https://openalex.org/W2615128131","https://openalex.org/W2737897133","https://openalex.org/W2767668847","https://openalex.org/W2793417067","https://openalex.org/W2794425231","https://openalex.org/W2795093126","https://openalex.org/W2803567342","https://openalex.org/W2807835311","https://openalex.org/W2808590516","https://openalex.org/W2886426078","https://openalex.org/W2892201122","https://openalex.org/W2895990519","https://openalex.org/W2901003925","https://openalex.org/W2911674680","https://openalex.org/W2914835947","https://openalex.org/W2915515857","https://openalex.org/W2921030064","https://openalex.org/W2970944904","https://openalex.org/W2997265100","https://openalex.org/W3001707052","https://openalex.org/W3006699226","https://openalex.org/W3009901987","https://openalex.org/W3017300831","https://openalex.org/W3025959686","https://openalex.org/W3027893723","https://openalex.org/W3038124521","https://openalex.org/W3038914819","https://openalex.org/W3044124946","https://openalex.org/W3101687562","https://openalex.org/W3126851455","https://openalex.org/W3128018459","https://openalex.org/W3132990112","https://openalex.org/W3137667263","https://openalex.org/W3159404997","https://openalex.org/W3159954457","https://openalex.org/W3175190702","https://openalex.org/W3210905074","https://openalex.org/W4205188898","https://openalex.org/W4205577656","https://openalex.org/W4221130486","https://openalex.org/W4282601911","https://openalex.org/W4306403467","https://openalex.org/W4306738214","https://openalex.org/W4311755516","https://openalex.org/W4312050614","https://openalex.org/W4377024117","https://openalex.org/W4378650964","https://openalex.org/W4386484885","https://openalex.org/W4387451355","https://openalex.org/W4388627856","https://openalex.org/W4391605124","https://openalex.org/W4394706435","https://openalex.org/W4404821850","https://openalex.org/W4405853854","https://openalex.org/W4405854312","https://openalex.org/W4408719158","https://openalex.org/W4409040277","https://openalex.org/W4410373081","https://openalex.org/W4410907120","https://openalex.org/W4411555780","https://openalex.org/W4413763212","https://openalex.org/W4414160926","https://openalex.org/W4414618963","https://openalex.org/W4416357139","https://openalex.org/W7162315400"],"related_works":["https://openalex.org/W2970944904","https://openalex.org/W7153566435","https://openalex.org/W2791790479","https://openalex.org/W2892201122","https://openalex.org/W7058065205","https://openalex.org/W3081959634","https://openalex.org/W6999191833","https://openalex.org/W806783373","https://openalex.org/W7002259494","https://openalex.org/W2093861783"],"abstract_inverted_index":{"Continental":[0],"shelves":[1],"along":[2],"tropical":[3],"semi-arid":[4,231],"margins":[5],"remain":[6],"sparsely":[7],"mapped":[8,202],"at":[9],"high":[10],"resolution,":[11],"limiting":[12],"process-based":[13],"interpretations":[14],"of":[15,21,49,109],"bedforms":[16],"dynamics":[17],"and":[18,29,40,61,66,73,95,118,128,142,152,161,172,183,215,219,224],"reducing":[19],"quality":[20],"baseline":[22,42,209],"information":[23],"required":[24],"for":[25,43,222],"marine":[26,225],"spatial":[27,90,167,226],"planning":[28,221],"offshore":[30],"development.":[31],"In":[32],"this":[33],"study":[34],"we":[35],"present":[36],"an":[37],"integrated":[38],"geomorphological":[39],"sedimentological":[41],"two":[44,100],"middle-":[45],"to":[46,69,137,166,192,210,216],"outer-shelf":[47],"sectors":[48],"the":[50,99,135,229],"Cear\u00e1":[51],"Basin,":[52],"on":[53,134,188,228],"Northeast":[54],"Brazil.":[55],"We":[56],"combined":[57],"multibeam":[58],"echosounder":[59],"bathymetry":[60],"backscatter,":[62],"side-scan":[63,162],"sonar":[64,163],"imagery,":[65],"sediment":[67,74,133],"sampling":[68],"map":[70],"bedform":[71,173],"morphology":[72,94,182],"textures":[75,164],"in":[76,84,92,126,140,169],"detail":[77],"across":[78,98],"more":[79],"than":[80],"12":[81],"km":[82],"2":[83],"total.":[85],"High-resolution":[86],"mapping":[87],"reveals":[88],"strong":[89],"contrasts":[91],"seabed":[93,170],"acoustic":[96],"texture":[97],"areas.":[101],"The":[102,145,201],"Western":[103],"Area":[104,147],"comprises":[105],"a":[106,113,119,155,189,206],"heterogeneous":[107],"mosaic":[108],"geomorphic":[110],"elements,":[111],"including":[112],"channel,":[114],"clustered":[115],"circular":[116],"depressions,":[117],"terrace-like":[120],"bench,":[121],"associated":[122],"with":[123,158],"marked":[124],"variability":[125,168],"backscatter":[127],"grain":[129],"size,":[130],"from":[131],"granule-grade":[132],"bench":[136],"sandier":[138],"substrates":[139],"depressions":[141],"channel-floor":[143],"domains.":[144],"Eastern":[146],"is":[148],"dominated":[149],"by":[150],"sand-wave":[151],"organized":[153],"into":[154],"crest\u2013trough":[156],"system,":[157],"geomorphometric":[159],"patterns":[160],"pointing":[165],"roughness":[171],"expression.":[174],"Together,":[175],"these":[176],"results":[177],"highlight":[178],"how":[179],"inherited":[180],"shelf":[181,191],"present-day":[184],"hydrodynamic":[185],"reworking":[186],"interact":[187],"sediment-limited":[190],"produce":[193],"contrasting":[194],"bedform\u2013sediment":[195],"domains":[196,204],"over":[197],"short":[198],"along-shelf":[199],"distances.":[200],"bedform-sediment":[203],"provide":[205],"robust":[207],"physical":[208],"guide":[211],"future":[212],"process":[213],"studies":[214],"inform":[217],"monitoring":[218],"risk-aware":[220],"infrastructure":[223],"management":[227],"Brazilian":[230],"continental":[232],"shelf.":[233]},"counts_by_year":[],"updated_date":"2026-10-27T15:51:10.671819","created_date":"2026-07-07T00:00:00"}