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The available data tends to have a bias because research tends to focus on areas of high-profile contamination only. Furthermore, there are only few laboratories available in Kenya that can carry out these chemical analyses. [33] In Kisumu, which receives its water from nearby Lake Victoria, over 40% of citizens report scarcity of drinking water.
A drainage basin is an extent of land where water from rain and melting snow or ice drains downhill into a body of water, such as a river, lake, reservoir, estuary, wetland, sea or ocean. The drainage basin includes both the streams and rivers that convey the water as well as the land surfaces from which water drains into those channels, and is ...
According to a report, household surveys regularly return lower rural water supply coverage than estimates by the Ministry of Water and Irrigation (which are collected by district water engineers and urban water and sanitation authorities). For urban areas, survey data are consistently higher because they also include households that are not ...
Communal tap (standpost) for drinking water in Soweto, Johannesburg, South Africa. May 2005. Groundwater plays a key role in sustaining water supplies and livelihoods in sub-Saharan Africa especially due to its widespread availability, generally high quality, and intrinsic ability to buffer episodes of drought and increasing climate variability.
The Lake Chad replenishment project is a proposed major water diversion scheme to divert water from the Congo River basin to Lake Chad to prevent it drying up. Various versions have been proposed. Most would involve damming some of the right tributaries of the Congo River and channeling some of the water to Lake Chad via a canal to the Chari ...
The surrounding topography of a catchment zone influences the flow vectors and direction that the water flows. [1] Water flows from areas of high potential energy to low potential energy under the influence of gravity. The geometry of the slope leading to the catchment area influences the amount of water the catchment will contain. [1]
Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin. It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
The Lesotho Highlands Water Project (LHWP) is an ongoing water supply project with a hydropower component, developed in partnership between the governments of Lesotho and South Africa. It comprises a system of several large dams and tunnels throughout Lesotho and delivers water to the Vaal River System in South Africa .