?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMODELAN+HIDRODINAMIS+GENANGAN+AIR+AKIBAT+LUAPAN%0D%0ASUNGAI+MENGGUNAKAN+HEC-RAS+%0D%0A&rft.creator=SASA+LAVANZA+%2C++MARGA&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Banjir+sering+terjadi+di+Kabupaten+Tulang+Bawang%2C+salah+satunya+di+Kecamatan%0D%0ARawa+Pitu.+Hal+ini+terjadi%2C+karena+Kecamatan+Rawa+Pitu+dilewati+Sungai+Way%0D%0ATulang+Bawang+dan+sungai+kecil+lainnya%2C+serta++topografi+yang+datar.+Untuk%0D%0Amengurangi+dampak+dari+terjadi+banjir+tersebut%2C+dilakukan+penelitian+untuk%0D%0Amemvisualkan+genangan+air+dan+menghitung+luasan+genangan+air+dengan+kala%0D%0Aulang+(Q)+2%2C+5%2C+10%2C+20%2C+50%2C+dan+100+tahun+kedepan.+Penelitian+dilakukan+dengan%0D%0Amenalukakan+analisis+data+debit+curah+hujan+yang+diunduh+dari+Nasa+Power%0D%0Adengan+menggunakan+metode+Hidrograf+Sintetik+Satuan+(HSS)+Nakayasu+yang%0D%0Aakan+digunakan+untuk+pengolahan+pemodelan+hidrodinamika+dengan+data+DEM+di%0D%0AHEC-RAS+5.0.7+dan+selanjutnya+dilakukan+pemetaan+di+software+GIS.%0D%0ABerdasarkan+hasil+analisis+debit+curah+hujan+kala+ulang+2+s%2Fd+100+tahun%2C+debit%0D%0Acurah+hujan+tertinggi+terjadi+pada+kala+ulang+100+tahun%2C+yaitu+sebesar+610%2C7073%0D%0Am%0D%0A3%0D%0A%2Fs.+Hasil+dari+memvisualkan+pemodelan+genangan+air+kala+ulang+tersebut+adalah%0D%0Aluasan+genangan+air+pada+Q2+seluas+2.564%2C6737+ha%2C+Q5+seluas+3.052%2C3494+ha%2C+Q10%0D%0Aseluas+3.272%2C7472+ha%2C+Q20+genangan+banjir+seluas+3.486%2C5009+ha%2C+Q50+genangan%0D%0Aseluas+3.722%2C6388+ha%2C+dan+Q100+genangan+banjir+seluas+3.856%2C4848+ha.+Genangan%0D%0Aair+tersebut+menggenangi+3+desa+di+Kecamatan+Rawa+Pitu%2C+yaitu+Desa+Panggung%0D%0AMulyo%2C+Desa+Andalas+Cermin%2C+dan+Desa+Duto+Yoso+Mulyo.%0D%0A%0D%0AKata+kunci+%3A+pemodelan+hidrodinamis%2C+genangan+air%2C+hec-ras+%0D%0AFloods+often+occur+in+Tulang+Bawang+Regency%2C+one+of+which+is+in+Rawa+Pitu+%0D%0ADistrict.+This+happens+because+Rawa+Pitu+District+is+crossed+by+the+Way+Tulang%0D%0ABawang+River+and+other+small+rivers%2C+and+the+topography+is+flat.+To+reduce+the%0D%0Aimpact+of+flooding%2C+research+was+carried+out+to+visualize+water+puddles+and%0D%0Acalculate+the+area+of+water+puddles+with+return+periods+(Q)+of+2%2C+5%2C+10%2C+20%2C+50+and%0D%0A100+years+in+the+future.+The+research+was+carried+out+by+analyzing+rainfall%0D%0Adischarge+data+downloaded+from+Nasa+Power+using+the+Nakayasu+Synthetic+Unit%0D%0AHydrograph+(HSS)+method+which+will+be+used+for+processing+hydrodynamic%0D%0Amodeling+with+DEM+data+in+HEC-RAS+5.0.7+and+then+mapping+in+GIS+software.%0D%0ABased+on+the+results+of+the+analysis+of+rainfall+discharge+over+the+2+to+100+year%0D%0Areturn+period%2C+the+highest+rainfall+discharge+occurred+during+the+100+year+return%0D%0Aperiod%2C+namely+610.7073+m3%2Fs.+The+results+of+visualizing+the+modeling+of+water%0D%0Ainundation+during+the+return+period+are+that+the+area+of+water+inundation+in+Q2+is%0D%0A2%2C564.6737+ha%2C+Q5+is+3%2C052.3494+ha%2C+Q10+is+3%2C272.7472+ha%2C+Q20+is+3%2C486.5009+ha%2C%0D%0AQ50+is+3%2C722.6388+ha%2C+and+Q100+flood+inundation+covering+an+area+of+3.856%2C4848%0D%0Aha.+This+puddle+of+water+inundated+3+villages+in+Rawa+Pitu+District%2C+namely%0D%0APanggung+Mulyo+Village%2C+Andalas+Cermin+Village%2C+and+Duto+Yoso+Mulyo%0D%0AVillage.%0D%0A%0D%0AKey+words%3A+hydrodynamic+modeling%2C+waterlogging%2C+hec-ras+&rft.publisher=FAKULTAS+TEKNIK&rft.date=2023-12-13&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78567%2F1%2Fabstrak.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78567%2F2%2FSkripsi%2520full.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78567%2F3%2FSkripsi%2520full%2520tnpa%2520bab%2520pembahasan.pdf&rft.identifier=++SASA+LAVANZA+%2C+MARGA++(2023)+PEMODELAN+HIDRODINAMIS+GENANGAN+AIR+AKIBAT+LUAPAN+SUNGAI+MENGGUNAKAN+HEC-RAS.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F78567%2F