Publikasi Penelitian

Penerapan Kriteria dan Indikator Parameter Hidrologi Untuk Mengevaluasi Fenomena Banjir : Studi Kasus di DAS Sampean


Abstrak (Indonesia):
-
Abstract (English) :
Flooding is an ordinary natural phenomenon. However flooding could be a serious problem if it already disturbed the human life and threatened their welfare, e.g., damages the structure of water body, irrigation canal, house, and road. To evaluate the causal factors of flood phenomenon in Sampean watershed-Bondowoso and Situbondo Districs-East Java Province during the early year of 2002, the hydrological parameters, e.i., rainfall-runoff trend, Qmax:Qmin ratio (KRS), coefficient of variation (CV), and runoff coefficient (e) were implemented on this study The results indicate that: 1) the yearly rainfall and runoff trends tend to increase during the last 7 years; 2) the role of rainfall amount with an average > 100 mm/day distributed at all watersheds area have significantly had an impact on flood occurrences; 3) decreasing from good to worst condition of the river regime coefficient (KRS) could be noted as an early warning of flood occurrence; and 4) the coefficient of variation (CV) of annual discharge was better parameter for evaluating catchment health (mainly flood occurrence) as compared with the annual runoff coefficient ( e).
Media Publikasi :
Buletin Teknologi Pengelolaan DAS No L VIII, 3
Penulis :
Sukresno
Ukuran Berkas :
283.1 KB

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