?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+HIDROGRAF+SATUAN+TERUKUR+(HST)%0D%0ASUB+DAS+WAY+BESAI&rft.creator=+MEGA+ASTRIYANA+%2C+1115011063&rft.subject=Teknologi+(General)&rft.description=Sungai+Way+Besai+merupakan+sungai+terbesar+di+Kabupaten+Lampung+Barat.%0D%0ASedimentasi+yang+cukup+tinggi+mempengaruhi+kinerja+dari+Pembangkit+Listrik%0D%0ATenaga+Air+(PLTA)+milik+PLN+yang+berada+di+Sungai+Way+Besai.+Untuk%0D%0Amengetahui+kondisi+Daerah+Aliran+Sungai+(DAS)+Way+Besai+maka+dilakukan%0D%0Apenelitian+disetiap+sub+DAS+Way+Besai.+Salah+satunya+adalah+Sub+DAS+yang%0D%0Aterletak+di+Dusun+Talang+Bandung+Pekon+Sindang+Pagar+Kel.+Tugu+Sari+Kec.%0D%0ASumber+Jaya+Kabupaten+Lampung+Barat+yaitu+DAS+Talang+Bandung+dan+DAS%0D%0AAir+Anak.+Untuk+mempermudah+melihat+kondisi+DAS+maka+penelitian+ini%0D%0Amenggunakan+metode+Analisis+Hidrograf+Satuan+Terukur+(HST).+Tujuannya%0D%0Aadalah+menganalisis+Hidrograf+Satuan+Terukur+(HST)+untuk+mendapatkan+nilai%0D%0Adebit+puncak%2C+waktu+puncak%2C+waktu+dasar+dan+menganalisis+hidrograf+banjir.%0D%0ADalam+penelitian+ini+data+yang+diperlukan+adalah+data+curah+hujan+otomatis%2C+data%0D%0Atinggi+muka+air+otomatis%2C+data+kecepatan+aliran%2C+dan+data+penampang+melintang%0D%0Asungai.+Dari+data+tersebut+selanjutnya+akan+dibuat+liku+kalibrasi+(rating+curve)%0D%0Auntuk+mengalihragamkan+hidrograf+tinggi+muka+air+menjadi+hidrograf+aliran.%0D%0APemisahan+komponen+aliran+dasar+dan+limpasan+langsung+menggunakan%0D%0Apendekatan+garis+lurus.+Dan+menghitung+curah+hujan+efektif+untuk+mendapatkan%0D%0Aordinat+hidrograf+satuan.+Dari+ordinat+hidrograf+satuan+rata-rata+yang+dipadukan%0D%0Adengan+kala+ulang+hujan+yang+didapatkan+akan+menghasilkan+kala+ulang+hidrograf%0D%0Abanjir.%0D%0ADari+hasil+analisis+yang+sudah+dilakukan+maka+didapatkan+hidrograf+satuan+ratarata%0D%0Auntuk+masing-masing+DAS.+Pada+periode+waktu+60+menitan+Hidrograf+Satuan%0D%0ATerukur+(HST)+rata-rata+DAS+Air+Anak+dan+DAS+Talang+Bandung+mempunyai%0D%0Adebit+puncak+rata-rata+(Qp)+sebesar+0%2C340+m3%2Fdet+dan+0%2C394+m3%2Fdet%2C+waktu+menuju%0D%0Apuncak+(Tp)+sama+yaitu+sebesar+60+menit+kedua+(2+jam)%2C+dan+waktu+dasarnya+(Tb)%0D%0Aadalah+560+menit+dan+660+menit.+Dari+hasil+analisis+hidrograf+banjir%0D%0Adihasilkan+untuk+kala+ulang+25+tahun+sebesar+16%2C832+m3%2Fdet+untuk+DAS+Air+Anak%0D%0Adan+20%2C179+m3%2Fdet+untuk+DAS+Talang+Bandung.%0D%0AKata+kunci+%3AAnalisis+Hidrograf+Satuan+Terukur(HST)%2CSub+DAS+Way+Besai%0D%0A%0D%0Aabstract%0D%0A%0D%0AWay+Besai+River+is+the+largest+river+in+west+lampung+district.+High+sedimentation%0D%0Ain+this+river+affects+the+performance+of+Hydroelectic+Power+Plant+(HEPP)+owned%0D%0Aby+PLN+which+is+located+in+Way+Besai+River.+In+order+to+know+the+condition+of%0D%0AWay+Besay%E2%80%99s+catchment+area%2C+a+research+is+conducted+on+each+of+Way+Besai%E2%80%99s+sub%0D%0Acatchment+area.+One+of+the+sub+catchment+area+is+located+in+Talang+Bandung%0D%0AVillage%2C+Pekon+Sindang+Pagar%2C+Kel+Tugu+Sari+Kec+Sumber+Jaya+West+Lampung%0D%0ADistrict+named+Talang+Bandung+Catchment+and+Air+Anak+Catchment.+In+order+to%0D%0Amake+the+survey+of+Catchments+condition+easier%2C+the+research+uses+measured+unit%0D%0Ahydograph+analysis+method.+The+purpose+is+to+analyse+the+measured+unit%0D%0Ahydograph+in+order+to+get+the+value+of+Peak+Discharge%2C+Peak+time%2C+basic+time%2C+and%0D%0Aanalysing+the+flood+hydrograph.%0D%0AIn+this+researc+the+data+needed+are+automatic+rainfall+data%2C+automatic+water+level%0D%0Adata%2C+velocity+data%2C+and+the+stream+cross+section.+From+these+data+will+be+used+to%0D%0Amake+Rating+Curve+to+turn+the+hydrograph+of+water+level+into+flow+hydrograph.%0D%0AThe+separation+of+the+components+of+base+flow+and+direct+runoff+using+straightline%0D%0Aapproach+and+calculate+the+efective+rainfal+to+get+the+ordinate+of+unit%0D%0Ahydrograph.+From+the+average+of+unit+hydrograph+combined+with+periodic%0D%0Arainfall+will+obtain+the+periodic+flood+hydrograph.%0D%0AFrom+the+analysis+result+it+is%2C+obtained+an+average+of+hydrograph+unit+for+each%0D%0Acatchment+area.+On+60+minutes+period%2C+the+average+of+unit+hydrograph+of+Air%0D%0AAnak+Catchment+and+Talang+Bandung+Catchment+have+average+peak+discharge%0D%0Aaverage+(Qp)+of+0%2C340+m3%2Fsec+and+0%2C394+m3%2Fsec%2C+the+time+of+rise+are+560+minutes%0D%0Aand+660+minutes.+The+result+shows+that+for+return+period+of+25+years%2C+flood%0D%0Adischarge+for+Air+Anak+is+16%2C832+m3%2Fsec+and+for+Talang+Bandung+is+20%2C179%0D%0Am3%2Fsec.%0D%0AKeywords%3A+Measured+Unit+Hydrograph+Analysis%2C+Sub+Catchment+Area+of+Way%0D%0ABesai.&rft.publisher=UNIVERSITAS+LAMPUNG&rft.date=2016-05-11&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22831%2F1%2FABSTRAK%2520%2528ABSRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22831%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F22831%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identif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