Abstract
Watersheds can be seen as natural systems where hydrological and biophysical processes take place as well as complex socio-economic activities of the community. As an integrated water system, watershed is influenced by the upstream conditions and the biophysical conditions of catchment areas areas which in many places are vulnerable to the threat of human disturbance. Hence, this study was aimed at assessing the patterns of land use on sedimentation rates at Cimanuk watershed, West Java. We calculated the sediment concentration, river debit and prediction of sedimentation rates based on regulation of the Minister of Forestry No. P. 61/Menhut-II/2014. The study revealed that land use effect the sedimentation rates from agriculture, forestry, rice fields, settlement, sauce and soy sauce factory, and leather factory with the sedimentation rates are 2,86 ton/day; 58,73 ton/day; 33,64 ton/day; 33,80 ton/day; 78,85 ton/day and 56.83 ton/day respectively. We concluded that Cimanuk watershed is characterized by deterioration with mismanagement of natural resources. Unmanaged of land use were affecting the hydrology of the Cimanuk watershed. Control potentials of watershed sedimentation include management of land use, optimization of water resources and reducing sediment load from its surrounding area.
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