?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMODELAN+GENANGAN+BANJIR%0D%0A%0D%0ASEBAGAI+UPAYA+MITIGASI+BENCANA+MENGGUNAKAN+HEC-RAS%0D%0A(STUDI+KASUS%3A+SUNGAI+KELEKAR+KOTA+PRABUMULIH)&rft.creator=Alza%2C++Abyuliani%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Banjir+merupakan+bencana+dengan+persentase+tertinggi+yang+terjadi+di%0D%0AIndonesia+yaitu+35%2C56%25+pada+Tahun+2021.+Salah+satu+daerah+yang+sering%0D%0Amengalami+banjir+adalah+Sungai+Kelekar.+Meluapnya+Sungai+Kelekar+semakin%0D%0Atahun+semakin+parah+hingga+menyebabkan+banjir+bandang+dan+genangan.%0D%0APenelitian+ini+bertujuan+untuk+menghitung+Periode+Ulang+2+tahun%2C+5+tahun%2C+10%0D%0Atahun%2C+25+tahun%2C+50+tahun%2C+dan+100+tahun.%0D%0APenelitian+ini+menggunaan+data+DEM+Tahun+2024%2C+data+Curah+Hujan%0D%0ATahun+2011+sampai+Tahun+2020%2C+Batas+Administrasi+Kota+Prabumulih+Tahun%0D%0A2024%2C+Data+Pengukuran+Topografi+Sungai+Kelekar+Tahun+2021%2C+dan+Data+Titik%0D%0ABanjir+Kecamatan+Prabumulih+Tahun+2021+sampai+Tahun+2022.+Metode%0D%0Apenelitian+yang+digunakan+adalah+Hidograf+Satuan+Sintetik+Snyder.%0D%0AHasil+penelitian+ini+menunjukkan+bahwa+kedalaman+banjir+terbagi+menjadi%0D%0A3+kelas+yaitu+kelas+genangan+rendah%2C+sedang+dan+tinggi.+Luasan+genangan+banjir%0D%0Abertambah+setiap+periode+ulang+tahun+dimana+luasan+paling+rendah+terjadi+pada%0D%0Aperiode+ulang+2+Tahun+sebesar+564%2C13+hektar+dengan+debit+puncak+116%2C0728+m%0D%0A3%0D%0A%2Fs%0D%0Adan+luasan+genangan+banjir+paling+tinggi+periode+ulang+100+Tahun+sebesar+690%2C55%0D%0Ahektar+dengan+debit+puncak+274%2C452+m%0D%0A3%0D%0A%2Fs.+Terdapat+upaya+mitigasi+yang+dapat%0D%0Adilakukan+untuk+mengurangi+dampak+banjir+yang+berpotensi+menyebabkan%0D%0Agenangan+di+Sungai+Kelekar+seperti+meningkatkan+tinggi+dan+kekuatan+tanggul%2C%0D%0Amelakukan+penanaman+pohon+dan+vegetasi%2C+membangun+desain+infrastuktur%0D%0Aterutama+pada+bagian+pemukiman+padat+dan+daerah+pemodelan+yang+menunjukkan%0D%0Akedalaman+tinggi+dan+luasan+yang+berubah+signifikan+sebagai+area+prioritas%0D%0Apembangunan%2C+serta+pemodelan+dapat+digunakan+sebagai+data+pendukung+analisis%0D%0Aspasial+lanjutan+dalam+menentukan+jalur+evakuasi+bagi+masyarakat.%0D%0AKata+Kunci%3A+Genangan+Banjir%2C+HSS+Snyder%2C+Mitigasi%2C+Pemodelan+Hidrodinamika%0D%0AFloods+are+the+disaster+with+the+highest+percentage+occurrence+in+Indonesia%2C%0D%0Aaccounting+for+35.56%25+in+2021.+One+area+frequently+affected+by+floods+is+the%0D%0AKelekar+River.+The+overflow+of+the+Kelekar+River+has+worsened+year+by+year%2C%0D%0Aleading+to+flash+floods+and+inundations.+This+study+aims+to+calculate+the%0D%0Arecurrence+periods+of+2+years%2C+5+years%2C+10+years%2C+25+years%2C+50+years%2C+and+100+years.%0D%0AThis+research+utilizes+DEM+data+from+2024%2C+rainfall+data+from+2011+to+2020%2C+the%0D%0Aadministrative+boundary+data+of+Prabumulih+City+in+2024%2C+topographic%0D%0Ameasurement+data+of+the+Kelekar+River+in+2021%2C+and+flood+point+data+of%0D%0APrabumulih+District+from+2021+to+2022.+The+research+method+used+is+the+Snyder%0D%0ASynthetic+Unit+Hydrograph.+The+results+of+this+study+indicate+that+flood+depth+is%0D%0Acategorized+into+three+classes%3A+low%2C+medium%2C+and+high+inundation+levels.+The%0D%0Asmallest+flood+inundation+groeing+up+every+single+years+the+lowest+area+occurs+in%0D%0Athe+2-year+recurrence+period%2C+covering+564.13+hectares+with+a+peak+discharge+of%0D%0A116.0728+m3%2Fs%2C+while+the+largest+inundation+area+occurs+in+the+100-year+recurrence%0D%0Aperiod%2C+covering+690.55+hectares+with+a+peak+discharge+of+274.452+m3%2Fs.%0D%0AMitigation+efforts+to+reduce+the+impact+of+potential+floods+causing+inundations+in%0D%0Athe+Kelekar+River+include+raising+and+strengthening+levees%2C+planting+trees+and%0D%0Avegetation%2C+designing+infrastructure%2C+especially+in+densely+populated+areas+and%0D%0Aregions+identified+in+modeling+as+priority+areas+for+development+due+to+significant%0D%0Achanges+in+depth+and+area%2C+and+using+the+modeling+as+supporting+data+for+further%0D%0Aspatial+analysis+to+determine+evacuation+routes+for+the+community.%0D%0AKeywords%3A+Flood+Inundation%2C+HSS+Snyder%2C+Mitigation%2C+Hydrodynamic+Modeling&rft.publisher=TEKNIK&rft.date=2024-09-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82120%2F1%2FABSTRAK%2520-%2520Alza%2520Abyuliani.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82120%2F2%2FSKRIPSI%2520FULL_PERBAIKAN_ALZA%2520ABYULIANI_2015071012%2520-%2520Alza%2520Abyuliani.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F82120%2F3%2FSKRIPSI%2520TANPA%2520PEMBAHASAN_PERBAIKAN_ALZA%2520ABYULIANI_2015071012%2520-%2520Alza%2520Abyuliani.pdf&rft.identifier=++Alza%2C+Abyuliani+++(2024)+PEMODELAN+GENANGAN+BANJIR+SEBAGAI+UPAYA+MITIGASI+BENCANA+MENGGUNAKAN+HEC-RAS+(STUDI+KASUS%3A+SUNGAI+KELEKAR+KOTA+PRABUMULIH).++TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F82120%2F