KARAKTERISTIK HIDROLOGI TAMBANG INTAN TRADISONAL DI KAMPUNG PUMPUNG, KECAMATAN CEMPAKA, KOTA BANJARBARU

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.