Catchment area: 500 km 2: Surface area: 5 059 ha: Theewaterskloof Dam is an earth-fill type dam located on the Sonderend River near Villiersdorp, Western Cape, South Africa. This is important because of the growth of Gauteng in terms of industry and the amount of people. The catchment area intercepted at the diversion structure of Kangtangshiri barrage site is 810 km2. Administratively it is located within Theewaterskloof Local Municipality. Soils are predominantly gravels with This was because the dam's catchment area had remained dry for the previous four monsoons, resulting in a complete stoppage of supply to the city on July 14, 1999. catchment areas into the Vaal Dam catchment. I have run the standard Hydrology tools on it (Fill, Flow Direction & Flow Accumulation). In order to calculate the annual inflow into the dam, a surface runoff of 10mm was assumed for these relatively flat catchment areas. In a catchment, all rain and run-off water eventually flows to a creek, river, lake or ocean, or into the groundwater system. I have a DEM of my study area, and polyline shapefile of the Dams in that area. Following precipitation of 138 mm in the catchment areas of Papanasam dam, water level in the second largest dam of the district rose by 9.70 feet in 24 hours. 1.Catchment area A river drains the water collected from a specific area, which is called its catchment area 2.Watershed The land area that drains runoff( rain or snow) into a lake, river , or a stream is called watershed. 75 2 Department of Water 1.3 Catchment details 1.3.1 Physiography The Kirup Dam Catchment Area (KDCA) is located within the Darling Plateau which consists of an undulating, dissected peneplain. These schemes are the Thukela Vaal Water Transfer Scheme and the Lesotho Highlands Water Project. > Methods. A total of 55 … Primarily the catchment area management includes ground water recharge, knowing terrain characteristics i.e. The catchment area of the various dams is indicated by small dashes/circles/crosses in figures 1 through 3, and quantified in km2 in table 1. Background. In this part all collected meteorological data for the dam catchment area are presented and analyzed, also the mean monthly recorded stream flow data at the dam … For relatively small catchments it may be possible to determine their area from farm plans, aerial photos of the farm or by actually measuring it out on the ground with a vehicle or global positioning system (GPS). Catchment Area. “A catchment is an area where water is collected by the natural landscape. Kirup Dam Catchment Area Drinking Water Source Protection Plan Water Resource Protection, Report No. This is The water from the Vaal Dam is purified at two purification stations in Vereeniging and Life span of a reservoir in case of a seasonal storage dams and barrages is greatly reduced due to erosion in the catchment area. Abstract— The catchment and command area management of a dam includes various parameters to be studied. erosion in the catchment area. The present study was undertaken aiming at documenting useful plant species in Ntabelanga dam catchment area that will be impacted by the construction of the proposed dam. slope of the ground, finding water logging areas etc. I know that you can find the Watershed contributing to a pour point, but how do you use the Damlines, to get the catchment Area contributing water to the dam's reservoir? The catchment area is the total area of land that contributes runoff into the dam. Objective. 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