?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=ANALISIS+PERBEDAAN+DALAM+METODE+BASEFLOW+SOFTWARE%0D%0AHEC-HMS+UNTUK+PREDIKSI+HIDROGRAF+BANJIR+SUNGAI+WAY%0D%0A%0D%0ASEKAMPUNG+STASIUN+KUNYIR&rft.creator=RESTIKA+PUTRI%2C+1515011022&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.subject=690+Pembangunan+gedung&rft.description=Water+is+one+of+the+main+needs+in+human+life.+The+source+of+the+spring+that+is+most%0D%0Aeasily+found+is+the+river+found+in+the+river+basin.+Baseflow+is+the+main+water%0D%0Asupply+for+rivers+during+the+dry+season%2C+where+the+availability+of+water+in+the+river%0D%0Ais+very+limited+due+to+the+lack+of+input+from+rain+water.+Conversely%2C+during+the%0D%0Arainy+season%2C+the+estimated+baseflow+rate+is+important+because+it+can+potentially%0D%0Aproduce+floods.+To+do+watershed+management%2C+rain+flow+modeling+is+needed.+One%0D%0Aof+them+is+the+HEC-HMS+model.+In+this+study+using+three+types+of+methods%0D%0Aprovided+by+HEC-HMS+in+determining+the+base+flow%2C+namely+the+constant%0D%0Amonthly+method%2C+the+recession+method%2C+and+the+bounded+recession+method+(HEC-+HMS+Technical+Reference+Manual%2C+2000%3A+75).+The+use+of+these+three+methods+is%0D%0Acarried+out+in+order+to+know+the+differences+in+the+baseflow+method+in+the+HEC-+HMS+software%2C+so+that+it+can+determine+the+baseflow+method+that+is+suitable+for%0D%0Amodeling+rainfall+flow+on+the+Way+Sekampung+watershed+at+the+Kunyir+station.%0D%0AFrom+the+results+of+the+analysis%2C+the+constant+monthly+method+produces+a%0D%0Adeviation+of+45.83%25.+This+can+be+caused+by+one+of+them+due+to+the+influence+of%0D%0Athe+basis+flow+parameters+per+month+which+produces+a+relatively+constant+peak%0D%0Adischarge+from+the+2-year+return+period+to+the+50-year+return+period.+The+recession%0D%0Amethod+produces+a+deviation+of+8.96%25.+The+concept+used+in+this+method+illustrates%0D%0Athe+inheritance+model+to+represent+baseflow.+This+method+is+the+most+optimal+used%0D%0Ain+the+Way+Sekampung+watershed+at+Kunyir+station+because+it+shows+the+peak%0D%0Adischarge+results+that+are+closest+to+the+measured+discharge+value.+The+result+of+the%0D%0Adeviation+of+the+bounded+recession+method+is+10.94%25.+The+calculation+concept+is%0D%0Athe+same+as+the+recession+method%2C+the+difference+being+that+this+method+applies+a%0D%0Amonthly+flow+limit.%0D%0AKeywords%3A+Baseflow%2C+Way+Sekampung%2C+HEC-HMS%0D%0AAir+merupakan+salah+satu+kebutuhan+utama+dalam+kehidupan+manusia.+Sumber%0D%0Amata+air+yang+paling+mudah+ditemui+adalah+sungai+yang+terdapat+pada+Daerah%0D%0AAliran+Sungai+(DAS).+Baseflow+merupakan+penyuplai+air+utama+pada+sungai+saat%0D%0Amusim+kemarau%2C+dimana+ketersediaan+air+di+sungai+sangat+terbatas+dikarenakan%0D%0Aminimnya+input+dari+air+hujan.+Sebaliknya+pada+saat+musim+hujan%2C+perkiraan%0D%0Abesarnya+aliran+dasar+menjadi+penting+karena+dapat+berpotensi+menghasilkan%0D%0Abanjir.+Untuk+melakukan+pengelolaan+DAS+diperlukan+pemodelan+hujan+aliran.%0D%0ASalah+satunya+adalah+model+HEC-HMS.+Pada+penelitian+ini+menggunakan+tiga%0D%0Amacam+metode+yang+disediakan+HEC-HMS+dalam+penentuan+baseflow%2C+yaitu%0D%0Ametode+constant+monthly%2C+metode+recession%2C+dan+metode+bounded+recession+(HEC-+HMS+Technical+Reference+Manual%2C+2000%3A75).+Penggunaan+ketiga+metode+tersebut%0D%0Adilakukan+agar+diketahui+perbedaan+metode+baseflow+pada+software+HEC-HMS%2C%0D%0Asehingga+dapat+menentukan+metode+baseflow+yang+cocok+untuk+pemodelan+hujan%0D%0Aaliran+pada+DAS+Way+Sekampung+stasiun+Kunyir.+Dari+hasil+analisis%2C+metode%0D%0Aconstant+monthly+menghasilkan+deviasi+sebesar+45%2C83+%25.+Hal+ini+dapat+disebabkan%0D%0Asalah+satunya+karena+pengaruh+parameter+aliran+basis+per+bulan+yang%0D%0Amenghasilkan+debit+puncak+relatif+konstan+yaitu+dari+kala+ulang+2+tahun+sampai%0D%0Akala+ulang+50+tahun.+Metode+recession+menghasilkan+deviasi+sebesar+8%2C96+%25.%0D%0AKonsep+yang+digunakan+pada+metode+ini+menggambarkan+model+penurunan+untuk%0D%0Amewakili+baseflow.+Metode+ini+paling+optimal+digunakan+pada+DAS+Way%0D%0ASekampung+stasiun+Kunyir+karena+menunjukkan+hasil+debit+puncak+yang+paling%0D%0Amendekati+nilai+debit+terukur.+Hasil+deviasi+metode+bounded+recession+yaitu+10%2C94%0D%0A%25.+Konsep+perhitungannya+sama+dengan+metode+recession%2C+yang+membedakan%0D%0Ayaitu+pada+metode+ini+diberlakukan+batas+aliran+per+bulan.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56372%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56372%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56372%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++RESTIKA+PUTRI%2C+1515011022++(2019)+ANALISIS+PERBEDAAN+DALAM+METODE+BASEFLOW+SOFTWARE+HEC-HMS+UNTUK+PREDIKSI+HIDROGRAF+BANJIR+SUNGAI+WAY+SEKAMPUNG+STASIUN+KUNYIR.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56372%2F