Abstract:
Traditional diamond mines is a hereditary in Cempaka Subdistricts. An increasing demand of
diamond makes more mining activities, the majority of people around Cempaka Subdistricts
think flood incidents in some areas are caused by diamond mining in Pumpung Village,
because the mining is the oldest. This research aims to analyze the effects of hydrological
characteristics on the potential for flooding due to the presence of a diamond mines at
Pumpung Village, Cempaka Subdistricts. Methods in this study is analytical descriptive.
Sampling and observations in Cempaka Subdistricts, Banjarbaru City, during normal
conditions and rainy conditions. The intensity of rain in the research has the potential for
flood, and rainfall in the research has potential for flooding or landslides. Rainy conditions,
the presence of sedimentation causes the direction of the dominant water flow to change. The
recovery qualification is categorized as very high in the middle and downstream of the river,
which has the potential to trigger flooding. Changes in land cover for 8 years have the
potential to cause flooding. The existence of a diamond mine in Pumpung Village, Cempaka
Subdistricts is concluded to have the potential to cause flooding.
