Abstract
The development of land-use in the upper Ciliwung watershed can be converted every year, which has an impact on surface flow, peak discharge and runoff volume. This study aims to look at projections of changes in land-use and their impact on changes in peak discharge and volume of river flows in the Ciliwung Hulu watershed. The tool used in this study consisted of a tool for analyzing land-use changes and projections, namely the CLUE-S model, while for hydrological responses using the HEC-GeoHMS tool combined with a GIS tool. The results of the analysis of land-use change found a pattern of changes in land-use in the Upper Ciliwung watershed in the period 1996-2013 there were 5 patterns of changes in land-use. Projected land-use change in 2030 with two scenarios. Scenario 2 which is able to hold the rate of change of forest to more than 30%. Scenario 1 HEC-HMS produces peak discharge 114.1 m3/second and runoff volume reaches 5.85 x 106m3 while in scenario 2 with peak discharge 107.0 m3/second and runoff volume 5.70 x 106m3.
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