The relationship of Cilutung River Flood hydrograph pattern with spatial rainfall during rainy season

N. Khairunnisa, E. Kusratmoko

Research output: Contribution to journalConference articlepeer-review

Abstract

Rainfall is an input in the hydrological system that delivers the output in the river flow in the form of discharge flow. The Cilutung River is a subsidiary of Cimanuk which has a greater function is to become one of the flood controllers in the area of Muara Cimanuk after Cimanuk in the dammed. This research aims to identify the pattern of flood hydrographs and to know the relationship between the flood hydrograph pattern with rainfall spatial variation in Cilutung river flow with variable rainfall and debit as well as spatial analysis Descriptive and statistical. The flood hydrograph pattern is related to the rainfall in which if the rainfall occurring in the Cilutung river flow is getting higher it will result in a higher flow discharge and form an increasingly high flood hydrograph pattern as well. It is supported by the incidence of 22 samples studied, spatial when the rain falls first in the upper part of Cilutung River basin and accompanied by rainfall and high intensity and a relatively long time will affect the hydrograph pattern The flood that has the highest debit value is getting higher and the higher the discharge volume also or vice versa. This relationship is reinforced by a correlation test result where there is a strong link between the maximum discharge and total discharge with rainfall and rain intensity. This relationship shows the flood hydrograph pattern has a strong correlation with the spatial pattern of rainfall.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Earth and Environmental Science
Volume561
Issue number1
DOIs
Publication statusPublished - 21 Sep 2020
Event2019 International Conference of Science and Applied Geography, ICOSAG 2019 - Depok, West Java, Indonesia
Duration: 24 Aug 2019 → …

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