{"id":"https://openalex.org/W4411546302","doi":"https://doi.org/10.1080/17538947.2025.2521789","title":"Spaceborne active-passive optical fusion bathymetry in coastal waters: the implications of ICESat-2 photons","display_name":"Spaceborne active-passive optical fusion bathymetry in coastal waters: the implications of ICESat-2 photons","publication_year":2025,"publication_date":"2025-06-23","ids":{"openalex":"https://openalex.org/W4411546302","doi":"https://doi.org/10.1080/17538947.2025.2521789"},"language":"en","primary_location":{"id":"doi:10.1080/17538947.2025.2521789","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2025.2521789","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2025.2521789?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2025.2521789?needAccess=true","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5068394742","display_name":"Jinchen He","orcid":"https://orcid.org/0009-0001-8381-6253"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinchen He","raw_affiliation_strings":["Sun Yat-sen University","School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Sun Yat-sen University","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101585642","display_name":"Shuhang Zhang","orcid":"https://orcid.org/0000-0001-6849-4973"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuhang Zhang","raw_affiliation_strings":["Ministry of Education","Sun Yat-sen University","School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education","institution_ids":[]},{"raw_affiliation_string":"Sun Yat-sen University","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China","institution_ids":["https://openalex.org/I157773358"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103266266","display_name":"Tinghui Zhang","orcid":"https://orcid.org/0000-0002-9983-2557"},"institutions":[{"id":"https://openalex.org/I4210103524","display_name":"Guangdong Academy of Sciences","ror":"https://ror.org/01g9hkj35","country_code":"CN","type":"government","lineage":["https://openalex.org/I4210103524"]},{"id":"https://openalex.org/I4210147158","display_name":"Guangzhou Institute of Geography","ror":"https://ror.org/03tbxt129","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210147158"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Tinghui Zhang","raw_affiliation_strings":["Guangdong Academy of Sciences","Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Guangdong Academy of Sciences","institution_ids":["https://openalex.org/I4210103524"]},{"raw_affiliation_string":"Guangzhou Institute of Geography, Guangdong Academy of Sciences, Guangzhou, People's Republic of China","institution_ids":["https://openalex.org/I4210147158","https://openalex.org/I4210103524"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016910459","display_name":"Wei Feng","orcid":"https://orcid.org/0000-0001-8873-0750"},"institutions":[{"id":"https://openalex.org/I157773358","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71","country_code":"CN","type":"education","lineage":["https://openalex.org/I157773358"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Wei Feng","raw_affiliation_strings":["Ministry of Education","Sun Yat-sen University","School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Ministry of Education","institution_ids":[]},{"raw_affiliation_string":"Sun Yat-sen University","institution_ids":["https://openalex.org/I157773358"]},{"raw_affiliation_string":"School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai, People's Republic of China","institution_ids":["https://openalex.org/I157773358"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5016910459"],"corresponding_institution_ids":["https://openalex.org/I157773358"],"apc_list":{"value":2390,"currency":"USD","value_usd":2390},"apc_paid":{"value":2390,"currency":"USD","value_usd":2390},"fwci":2.5229,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.88004063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":"18","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10032","display_name":"Marine and coastal ecosystems","score":0.9646999835968018,"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/T10032","display_name":"Marine and coastal ecosystems","score":0.9646999835968018,"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/T11164","display_name":"Remote Sensing and LiDAR Applications","score":0.9577999711036682,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.930899977684021,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/bathymetry","display_name":"Bathymetry","score":0.90662682056427},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.6325708031654358},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.4250180721282959},{"id":"https://openalex.org/keywords/photon","display_name":"Photon","score":0.4166160821914673},{"id":"https://openalex.org/keywords/oceanography","display_name":"Oceanography","score":0.3904983401298523},{"id":"https://openalex.org/keywords/environmental-science","display_name":"Environmental science","score":0.35724973678588867},{"id":"https://openalex.org/keywords/geology","display_name":"Geology","score":0.34189528226852417},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.2798435091972351},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.11964157223701477}],"concepts":[{"id":"https://openalex.org/C174943157","wikidata":"https://www.wikidata.org/wiki/Q810826","display_name":"Bathymetry","level":2,"score":0.90662682056427},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.6325708031654358},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.4250180721282959},{"id":"https://openalex.org/C159317903","wikidata":"https://www.wikidata.org/wiki/Q3198","display_name":"Photon","level":2,"score":0.4166160821914673},{"id":"https://openalex.org/C111368507","wikidata":"https://www.wikidata.org/wiki/Q43518","display_name":"Oceanography","level":1,"score":0.3904983401298523},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.35724973678588867},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.34189528226852417},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.2798435091972351},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.11964157223701477}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/17538947.2025.2521789","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2025.2521789","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2025.2521789?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e62a2e531be747d6845e1cc9694fc7bc","is_oa":true,"landing_page_url":"https://doaj.org/article/e62a2e531be747d6845e1cc9694fc7bc","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,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Digital Earth, Vol 18, Iss 1 (2025)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1080/17538947.2025.2521789","is_oa":true,"landing_page_url":"https://doi.org/10.1080/17538947.2025.2521789","pdf_url":"https://www.tandfonline.com/doi/pdf/10.1080/17538947.2025.2521789?needAccess=true","source":{"id":"https://openalex.org/S199162493","display_name":"International Journal of Digital Earth","issn_l":"1753-8947","issn":["1753-8947","1753-8955"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Digital Earth","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.8399999737739563,"id":"https://metadata.un.org/sdg/14","display_name":"Life below water"}],"awards":[{"id":"https://openalex.org/G2733502451","display_name":null,"funder_award_id":"2023YFC2809100","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G348132005","display_name":null,"funder_award_id":"22lgqb09","funder_id":"https://openalex.org/F4320321160","funder_display_name":"Sun Yat-sen University"},{"id":"https://openalex.org/G6364712676","display_name":null,"funder_award_id":"23xkjc012","funder_id":"https://openalex.org/F4320321160","funder_display_name":"Sun Yat-sen University"},{"id":"https://openalex.org/G8093619060","display_name":null,"funder_award_id":"23xkjc012","funder_id":"https://openalex.org/F4320335787","funder_display_name":"Fundamental Research Funds for the Central Universities"}],"funders":[{"id":"https://openalex.org/F4320321160","display_name":"Sun Yat-sen University","ror":"https://ror.org/0064kty71"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4411546302.pdf","grobid_xml":"https://content.openalex.org/works/W4411546302.grobid-xml"},"referenced_works_count":40,"referenced_works":["https://openalex.org/W1992543912","https://openalex.org/W2023709196","https://openalex.org/W2105012295","https://openalex.org/W2168707907","https://openalex.org/W2568967893","https://openalex.org/W2783958285","https://openalex.org/W2883640872","https://openalex.org/W2911964244","https://openalex.org/W2954700524","https://openalex.org/W2956453367","https://openalex.org/W3022023120","https://openalex.org/W3047336743","https://openalex.org/W3049063071","https://openalex.org/W3088182663","https://openalex.org/W3127919366","https://openalex.org/W3133474646","https://openalex.org/W3161427188","https://openalex.org/W3163085709","https://openalex.org/W3169634232","https://openalex.org/W3170869700","https://openalex.org/W3174629619","https://openalex.org/W3195336548","https://openalex.org/W3196945408","https://openalex.org/W4200393246","https://openalex.org/W4206376040","https://openalex.org/W4214929807","https://openalex.org/W4285803983","https://openalex.org/W4289931670","https://openalex.org/W4308593442","https://openalex.org/W4308739658","https://openalex.org/W4318562426","https://openalex.org/W4360770881","https://openalex.org/W4376609848","https://openalex.org/W4386017239","https://openalex.org/W4386848507","https://openalex.org/W4388283871","https://openalex.org/W4389610436","https://openalex.org/W4390707805","https://openalex.org/W4391582565","https://openalex.org/W4406787110"],"related_works":["https://openalex.org/W4391311960","https://openalex.org/W2793357704","https://openalex.org/W4386617716","https://openalex.org/W2184765375","https://openalex.org/W3152163876","https://openalex.org/W773765100","https://openalex.org/W4313058144","https://openalex.org/W2622615123","https://openalex.org/W2738763808","https://openalex.org/W2351842833"],"abstract_inverted_index":{"Up-to-date":[0],"bathymetric":[1,40,48,91,150],"data":[2],"is":[3,14],"essential":[4],"for":[5,195],"global":[6],"coastal":[7,65,198],"management":[8],"and":[9],"protection.":[10],"Conventional":[11],"surveying":[12],"equipment":[13],"not":[15],"only":[16],"inefficient":[17],"but":[18],"also":[19],"difficult":[20],"to":[21,79,100],"reach":[22],"on":[23,86,185],"remote":[24],"island":[25],"coasts.":[26],"The":[27,112],"fusion":[28,58,87,105,158,171],"of":[29,46,56,67,83,119,126,135,141,157,165],"ICESat-2":[30,47,84,90,176],"photons":[31,49,85,92,151],"with":[32,108,129],"optical":[33],"satellite":[34],"imagery":[35],"provides":[36],"a":[37,102],"purely":[38,196],"spaceborne":[39,57,170,197],"solution.":[41],"However,":[42],"the":[43,54,63,70,76,81,117,124,127,155,161,169,182],"inherent":[44],"properties":[45],"(e.g.":[50],"coverage,":[51],"accuracy)":[52],"increase":[53,147],"uncertainty":[55],"bathymetry.":[59,88,167,188,199],"In":[60],"this":[61],"study,":[62],"southeast":[64],"waters":[66],"Oahu":[68],"in":[69,138,148],"Hawaiian":[71],"Islands":[72],"are":[73,98],"used":[74,99],"as":[75],"study":[77],"area":[78],"assess":[80],"impacts":[82],"Multi-track":[89],"extracted":[93],"by":[94],"an":[95,145],"automated":[96],"algorithm":[97],"construct":[101],"machine":[103],"learning-based":[104],"bathymetry":[106,172,177],"model":[107,173,183],"Sentinel-2":[109],"multispectral":[110],"imagery.":[111],"results":[113],"show":[114],"that":[115],"increasing":[116],"coverage":[118],"photon":[120,166],"tracks":[121],"can":[122,152],"maximize":[123],"performance":[125],"model,":[128],"root":[130],"mean":[131],"square":[132],"error":[133],"(RMSE)":[134],"\u223c2":[136],"m":[137],"water":[139],"depths":[140],"30":[142],"m.":[143],"Furthermore,":[144],"appropriate":[146],"along-track":[149],"slightly":[153],"enhance":[154],"accuracy":[156,164],"bathymetry,":[159],"despite":[160],"relatively":[162],"lower":[163],"Notably,":[168],"derived":[174],"from":[175],"exhibits":[178],"generally":[179],"worse":[180],"than":[181],"based":[184],"airborne":[186],"LiDAR":[187],"This":[189],"work":[190],"holds":[191],"some":[192],"guiding":[193],"significance":[194]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-06-15T08:34:33.830935","created_date":"2025-10-10T00:00:00"}
