PEAK DISCHARGE ESTIMATION OF WELANG WATERSHED IN PASURUAN REGENCY

Estimasi Debit Puncak DAS Welang Di Kabupaten Pasuruan

  • Andreyan Febriyanto University of Jember
  • Entin Hidayah University of Jember
  • Gusfan Halik University of Jember

Abstract

Peak runoff has an important role in flood control.In flood control, the data of peak runoff is needed to anticipate the flood and rain fall modeling estimation is required with the help of HEC-HMS Software. From modeling result on February 3, 2007 researcher got calibration value of simulation of peak discharge 17,9 and peak discharge observation is 16,7 with a value of effectiveness (Nash) of 0.873. Model validation test on 9,10 February and 7 March 2007 resulted in value (Nash) of 0.826, 0.742 and 0.656.


Debit puncak mempunyai peranan penting dalam pengendalian banjir. Dalam pengendalian banjir, data dari limpasan hujan dibutuhkan untuk mengantisipasi banjir dan pemodelan estimasi curah hujan dibutuhkan dengan adanya bantuan dari Software HEC-HMS. Hasil pemodelan pada tanggal 3 Februari 2007 didapat nilai kalibrasi simulasi debit puncak sebesar 17,9 m³/s dan observasi debit puncak sebesar 16,7 m³/s dengan nilai efektifitas (Nash) sebesar 0,873. Uji validasi model pada tanggal 9,10 Februari dan 7 Maret 2007 menghasilkan nilai (Nash) sebesar 0,826, 0,742 dan 0,656.

Author Biographies

Andreyan Febriyanto, University of Jember

Civil Engineering Undergraduate Study Program
Departement of Civil Engineering
Faculty of Engineering, University of Jember
Jl. Kalimantan 37 Jember

Entin Hidayah, University of Jember

Departement of Civil Engineering
Faculty of Engineering, University of Jember
Jl. Kalimantan 37 Jember
Corresponding author: entin.teknik@unej.ac.id

Gusfan Halik, University of Jember

Departement of Civil Engineering
Faculty of Engineering, University of Jember
Jl. Kalimantan 37 Jember

Published
2018-12-03
How to Cite
FEBRIYANTO, Andreyan; HIDAYAH, Entin; HALIK, Gusfan. PEAK DISCHARGE ESTIMATION OF WELANG WATERSHED IN PASURUAN REGENCY. Jurnal Rekayasa Sipil dan Lingkungan, [S.l.], v. 2, n. 02, p. 141-150, dec. 2018. ISSN 2548-9518. Available at: <https://jurnal.unej.ac.id/index.php/JRSL/article/view/6906>. Date accessed: 29 mar. 2024. doi: https://doi.org/10.19184/jrsl.v2i02.6906.