{"id":"https://openalex.org/W7203869969","doi":"https://doi.org/10.22236/jgel.v10i2.21675","title":"Evaluasi Komparatif Pendekatan Thresholding Dan Machine Learning Terhadap Pemetaan Banjir Berbasis Citra Satelit Sentinel-1","display_name":"Evaluasi Komparatif Pendekatan Thresholding Dan Machine Learning Terhadap Pemetaan Banjir Berbasis Citra Satelit Sentinel-1","publication_year":2026,"publication_date":"2026-07-31","ids":{"openalex":"https://openalex.org/W7203869969","doi":"https://doi.org/10.22236/jgel.v10i2.21675"},"language":"en","primary_location":{"id":"doi:10.22236/jgel.v10i2.21675","doi":"https://doi.org/10.22236/jgel.v10i2.21675","is_oa":true,"landing_page_url":"https://doi.org/10.22236/jgel.v10i2.21675","pdf_url":"https://journal.uhamka.ac.id/index.php/jgel/article/download/21675/6910","source":{"id":"https://openalex.org/S4210182622","display_name":"Jurnal Geografi Edukasi dan Lingkungan (JGEL)","issn_l":"2579-8499","issn":["2579-8499","2579-8510"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210113907","host_organization_name":"Universitas Muhammadiyah Prof Dr Hamka","host_organization_lineage":["https://openalex.org/I4210113907"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Geografi, Edukasi dan Lingkungan (JGEL)","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"https://journal.uhamka.ac.id/index.php/jgel/article/download/21675/6910","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5119196565","display_name":"Daniar Ihza Carundyatama","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Daniar Ihza Carundyatama","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5116416944","display_name":"Krisna Dwi Oktabrian","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Krisna Dwi Oktabrian","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5094174552","display_name":"Rendy Syahril Amanu","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rendy Syahril Amanu","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5084526330","display_name":"Aditya Mulya","orcid":"https://orcid.org/0009-0000-1962-6407","observed_orcids":["https://orcid.org/0009-0000-1962-6407"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Aditya Mulya","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5138183860","display_name":"Farrel Fitria Nathania Kuncara","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Farrel Fitria Nathania Kuncara","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5147693026","display_name":"Rismon Erickson Wewra","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Rismon Erickson Wewra","raw_affiliation_strings":["Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Program Studi Meteorologi, Sekolah Tinggi Meteorologi Klimatologi dan Geofisika","institution_ids":[]}]}],"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":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.49037382,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"10","issue":"2","first_page":"420","last_page":"430"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10930","display_name":"Flood Risk Assessment and Management","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10930","display_name":"Flood Risk Assessment and Management","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"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/T10689","display_name":"Remote-Sensing Image Classification","score":0.00570000009611249,"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/T11490","display_name":"Hydrological Forecasting Using AI","score":0.00019999999494757503,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/flood-mapping","display_name":"flood mapping","score":0.9990000128746033},{"id":"https://openalex.org/keywords/flood-detection","display_name":"flood detection","score":0.593999981880188},{"id":"https://openalex.org/keywords/sentinel-1","display_name":"Sentinel-1","score":0.7509999871253967},{"id":"https://openalex.org/keywords/synthetic-aperture-radar-imagery","display_name":"synthetic aperture radar images","score":0.8429999947547913},{"id":"https://openalex.org/keywords/otsu-thresholding","display_name":"Otsu thresholding","score":0.9570000171661377},{"id":"https://openalex.org/keywords/xgboost","display_name":"XGBoost","score":0.9259999990463257},{"id":"https://openalex.org/keywords/lightgbm","display_name":"LightGBM","score":1.0},{"id":"https://openalex.org/keywords/machine-learning-classification","display_name":"machine learning classification","score":0.7950000166893005},{"id":"https://openalex.org/keywords/sar-image-segmentation","display_name":"SAR image segmentation","score":0.4869999885559082},{"id":"https://openalex.org/keywords/indonesia","display_name":"Indonesia","score":0.38600000739097595}],"concepts":[{"id":"https://openalex.org/C191178318","wikidata":"https://www.wikidata.org/wiki/Q2256906","display_name":"Thresholding","level":3,"score":0.9114999771118164},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.7318999767303467},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5644999742507935},{"id":"https://openalex.org/C74256435","wikidata":"https://www.wikidata.org/wiki/Q134052","display_name":"Flood myth","level":2,"score":0.5302000045776367},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.4650999903678894},{"id":"https://openalex.org/C21729346","wikidata":"https://www.wikidata.org/wiki/Q2444417","display_name":"Otsu's method","level":4,"score":0.4293999969959259},{"id":"https://openalex.org/C202577368","wikidata":"https://www.wikidata.org/wiki/Q2576067","display_name":"Balanced histogram thresholding","level":5,"score":0.40959998965263367},{"id":"https://openalex.org/C89600930","wikidata":"https://www.wikidata.org/wiki/Q1423946","display_name":"Segmentation","level":2,"score":0.4075999855995178},{"id":"https://openalex.org/C153180895","wikidata":"https://www.wikidata.org/wiki/Q7148389","display_name":"Pattern recognition (psychology)","level":2,"score":0.4074000120162964},{"id":"https://openalex.org/C12267149","wikidata":"https://www.wikidata.org/wiki/Q282453","display_name":"Support vector machine","level":2,"score":0.3880000114440918},{"id":"https://openalex.org/C124504099","wikidata":"https://www.wikidata.org/wiki/Q56933","display_name":"Image segmentation","level":3,"score":0.36500000953674316},{"id":"https://openalex.org/C100725284","wikidata":"https://www.wikidata.org/wiki/Q1045317","display_name":"Hydrometeorology","level":3,"score":0.3043999969959259},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.29019999504089355},{"id":"https://openalex.org/C2780150128","wikidata":"https://www.wikidata.org/wiki/Q21948731","display_name":"Extreme learning machine","level":3,"score":0.2809000015258789},{"id":"https://openalex.org/C3019060180","wikidata":"https://www.wikidata.org/wiki/Q184199","display_name":"Automated method","level":2,"score":0.2793999910354614}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.22236/jgel.v10i2.21675","doi":"https://doi.org/10.22236/jgel.v10i2.21675","is_oa":true,"landing_page_url":"https://doi.org/10.22236/jgel.v10i2.21675","pdf_url":"https://journal.uhamka.ac.id/index.php/jgel/article/download/21675/6910","source":{"id":"https://openalex.org/S4210182622","display_name":"Jurnal Geografi Edukasi dan Lingkungan (JGEL)","issn_l":"2579-8499","issn":["2579-8499","2579-8510"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210113907","host_organization_name":"Universitas Muhammadiyah Prof Dr Hamka","host_organization_lineage":["https://openalex.org/I4210113907"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Geografi, Edukasi dan Lingkungan (JGEL)","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.22236/jgel.v10i2.21675","doi":"https://doi.org/10.22236/jgel.v10i2.21675","is_oa":true,"landing_page_url":"https://doi.org/10.22236/jgel.v10i2.21675","pdf_url":"https://journal.uhamka.ac.id/index.php/jgel/article/download/21675/6910","source":{"id":"https://openalex.org/S4210182622","display_name":"Jurnal Geografi Edukasi dan Lingkungan (JGEL)","issn_l":"2579-8499","issn":["2579-8499","2579-8510"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210113907","host_organization_name":"Universitas Muhammadiyah Prof Dr Hamka","host_organization_lineage":["https://openalex.org/I4210113907"],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-nc","license_id":"https://openalex.org/licenses/cc-by-nc","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Jurnal Geografi, Edukasi dan Lingkungan (JGEL)","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/6","display_name":"Clean water and sanitation","score":0.6618000268936157},{"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities","score":0.5142999887466431},{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4943999946117401}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7203869969.pdf","grobid_xml":"https://content.openalex.org/works/W7203869969.grobid-xml"},"referenced_works_count":6,"referenced_works":["https://openalex.org/W2079299474","https://openalex.org/W2083970667","https://openalex.org/W3138239626","https://openalex.org/W4409517354","https://openalex.org/W4411158813","https://openalex.org/W4415282466"],"related_works":["https://openalex.org/W7135168306","https://openalex.org/W4362578348","https://openalex.org/W4390970704","https://openalex.org/W4416705293","https://openalex.org/W7153999776","https://openalex.org/W4296737219","https://openalex.org/W4410778364","https://openalex.org/W4405537309","https://openalex.org/W4415277072","https://openalex.org/W4416381516"],"abstract_inverted_index":{"Flooding":[0],"is":[1,79,125],"one":[2],"of":[3,58,121,132,163],"the":[4,56,80,85,90,122,128,133,161],"most":[5],"frequent":[6],"hydrometeorological":[7],"disasters":[8],"in":[9,105,114,158],"Indonesia,":[10],"causing":[11],"significant":[12],"damage,":[13],"with":[14],"its":[15],"frequency":[16],"continuing":[17],"to":[18,21,54,110,174],"increase":[19],"due":[20],"climate":[22],"change":[23],"and":[24,32,48,70,92,135,142,153],"land-use":[25],"alterations.":[26],"This":[27,51],"condition":[28],"necessitates":[29],"a":[30,170],"rapid":[31],"accurate":[33],"flood":[34,44,59,156,175],"monitoring":[35],"system.":[36],"At":[37],"present,":[38],"two":[39],"commonly":[40],"used":[41,78],"methods":[42,61,101,113,139,166],"for":[43,155],"mapping":[45,60,157],"are":[46,140],"thresholding":[47,68,76,82,100,149],"machine":[49,72,86,111,137,164],"learning.":[50],"study":[52],"aims":[53],"compare":[55],"performance":[57],"based":[62],"on":[63],"SAR":[64],"imagery":[65],"using":[66],"classical":[67],"approaches":[69,150],"modern":[71],"learning":[73,87,112,138,165],"techniques.":[74],"The":[75,95,118],"method":[77,124],"Otsu":[81,123],"method,":[83],"whilst":[84],"approach":[88,173],"utilises":[89],"XGBoost":[91,134],"LightGBM":[93,136],"algorithms.":[94],"analysis":[96],"results":[97],"show":[98],"that":[99,148],"achieve":[102],"higher":[103],"accuracy":[104,120,130],"identifying":[106],"flooded":[107],"areas":[108],"compared":[109],"this":[115],"case":[116],"study.":[117],"overall":[119,129],"0.995.":[126],"Meanwhile,":[127],"values":[131],"0.975":[141],"0.970,":[143],"respectively.":[144],"These":[145],"findings":[146],"indicate":[147],"remain":[151],"relevant":[152],"effective":[154],"Indonesia.":[159],"However,":[160],"development":[162],"can":[167],"also":[168],"be":[169],"good":[171],"alternative":[172],"mapping.":[176]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-08-22T00:00:00"}