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All Journal Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia
Lily Montarcih Limantara
Jurusan Teknik Pengairan Fakultas Teknik Universitas Brawiijaya
Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Industrial & Manufacturing Engineering

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Pemodelan Hujan Netto Berdasarkan Tutupan Lahan untuk Analisa Debit Aliran Rendah Adhi Yanuar Avianta; Rispiningtati Rispiningtati; Lily Montarcih Limantara
Reka Buana : Jurnal Ilmiah Teknik Sipil dan Teknik Kimia Vol 4, No 1 (2019): EDISI MARET 2019
Publisher : Universitas Tribhuwana Tunggadewi Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (575.6 KB) | DOI: 10.33366/rekabuana.v4i1.1021

Abstract

This research intends to investigate the land cover change and to obtain the canopy interception in the Lesti sub-watershed, and to produce the rainfall-discharge modeling as the function of net rainfall factor. The methodology consisted of identifying the land cover based on the Normalized Difference Vegetation Index (NDVI) classification of digital satellite images Landsat TM 7 and TM 8, carrying out the field study to obtain the canopy interception used a volume balance approach. The interception rate of Lesti sub-watershed are 5 – 7 % in everage of rainfall, the net-rainfall models of Lesti sub-watershed are Pnetto= P - (-1E07P² + 0.059P +0.260) for land clasification II and Pnetto = P – (-1E07P² + 0.199P + 0.16) for land clasification III, it used as the input on the rainfall-discharge modeling of F.J. Mock, the result showed that the use of net-rainfall on the rainfall-discharge modeling of F.J. Mock increased the accuracy of generated discharge which is strongly influenced by the proportional of land classification.
Co-Authors Adhi Yanuar Avianta Rispiningtati Rispiningtati