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Ewaso Ng'iro
Ewaso Ng'iro, also called Ewaso Nyiro, is a river in Kenya which rises on the west side of Mount Kenya and flows north, then east and finally south-east, passing through Somalia where it joins the Jubba River. The river's name is derived from the local community's Maasai language, and means river of brown or muddy water. Downstream, the intermittent stream in Somalia is also called Lagh Dera.
The upper basin of the Ewaso Ng'iro River is 15,200 km2 (5,900 sq mi). The river has a continuous water supply due to the glaciers on Mount Kenya. Ewaso Ng'iro feeds into Lake Ol Bolossat, the only lake in Nyandarua County and the larger Central Kenya, and crosses seven arid to semi-arid landscapes. It is characterized by vastly different physiographic features and species and has become a fundamental component to the survival of the wildlife, as well as the expansion of the human population and socio-economic developments. Water, the limited land resource provided by the Ewaso Ng’iro watershed, is unevenly distributed throughout the higher and lower regions of the catchment due to the large percentage necessary to maintain agricultural practices and climatic changes.[citation needed]
The river draws wildlife in great numbers to its banks, creating an oasis of green. Samburu, Shaba and Buffalo Springs National Reserves in Northern Kenya teem with wildlife in an otherwise arid land, because of the water of the river. Below Saricho, the river expands into the Lorian Swamp, a large area of wetlands. The ecological diversity throughout the catchment is unique to the Ewaso Ng’iro watershed specifically, as it originates from the high agriculturally potent lands of Mount Kenya, right at Thome Area of Nanyuki-Laikipia County, that means the exact start point of this river is at the Thome village where it is formed out of convergence of Naromoru River, sourcing water from Mt. Kenya, and Ngarinyiru River sourcing water from Aberdares and it flows over the following seven arid to semi-arid land districts of Meru, Laikipia, Samburu, Isiolo, Wajir, Marsabit, and Garissa (Said et al. 14). Following the independence of Kenya, the stretches of land covered by the Ewaso Ng’iro watershed shifted ownership from the colonial farmers to small-scale farmers.[citation needed] The catchment became a main resource for the small-scale farmers to support their agropastorial practices and developing livelihoods.[citation needed]
Ewaso Narok River is one of its tributaries. Thomson's Falls near Nyahururu town is located along Ewaso Narok.
"Kenya’s renewable supply of fresh water is less than 650 cubic meters per capita per year, making it one of the most water-scarce countries in the world" states the African Development Fund (African Development Fund 6). Although the Ewaso Ng’iro is the largest of five water catchments in Kenya, a shortage in natural resource availability has become prevalent ever so increasingly in the past few years (Said et al. 5).
Climate Change
The tributaries that drain into the catchment have progressively began to dry up, particularly throughout the dry seasons of the year.[citation needed] (Mutiga, Su, and Woldai 102). Other changes such as "unreliable rainfall patterns and quantities and decreasing discharge during the low flow periods" also have significant impacts on all aspects of the Ewaso Ng’iro watershed (Aeschbacher, Liniger and Weingartner 155,156). The water catchment lies predominantly through arid to semi arid landscapes where the annual levels of rainfall and precipitation have seemingly decreased over the years.[citation needed] As uneven water distribution has become a complex issue, the ability to support the ecosystem's vegetation and wildlife will decrease, and human populations and developments will be faced with ongoing sustainability challenges.
Evapotranspiration
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Ewaso Ng'iro
Ewaso Ng'iro, also called Ewaso Nyiro, is a river in Kenya which rises on the west side of Mount Kenya and flows north, then east and finally south-east, passing through Somalia where it joins the Jubba River. The river's name is derived from the local community's Maasai language, and means river of brown or muddy water. Downstream, the intermittent stream in Somalia is also called Lagh Dera.
The upper basin of the Ewaso Ng'iro River is 15,200 km2 (5,900 sq mi). The river has a continuous water supply due to the glaciers on Mount Kenya. Ewaso Ng'iro feeds into Lake Ol Bolossat, the only lake in Nyandarua County and the larger Central Kenya, and crosses seven arid to semi-arid landscapes. It is characterized by vastly different physiographic features and species and has become a fundamental component to the survival of the wildlife, as well as the expansion of the human population and socio-economic developments. Water, the limited land resource provided by the Ewaso Ng’iro watershed, is unevenly distributed throughout the higher and lower regions of the catchment due to the large percentage necessary to maintain agricultural practices and climatic changes.[citation needed]
The river draws wildlife in great numbers to its banks, creating an oasis of green. Samburu, Shaba and Buffalo Springs National Reserves in Northern Kenya teem with wildlife in an otherwise arid land, because of the water of the river. Below Saricho, the river expands into the Lorian Swamp, a large area of wetlands. The ecological diversity throughout the catchment is unique to the Ewaso Ng’iro watershed specifically, as it originates from the high agriculturally potent lands of Mount Kenya, right at Thome Area of Nanyuki-Laikipia County, that means the exact start point of this river is at the Thome village where it is formed out of convergence of Naromoru River, sourcing water from Mt. Kenya, and Ngarinyiru River sourcing water from Aberdares and it flows over the following seven arid to semi-arid land districts of Meru, Laikipia, Samburu, Isiolo, Wajir, Marsabit, and Garissa (Said et al. 14). Following the independence of Kenya, the stretches of land covered by the Ewaso Ng’iro watershed shifted ownership from the colonial farmers to small-scale farmers.[citation needed] The catchment became a main resource for the small-scale farmers to support their agropastorial practices and developing livelihoods.[citation needed]
Ewaso Narok River is one of its tributaries. Thomson's Falls near Nyahururu town is located along Ewaso Narok.
"Kenya’s renewable supply of fresh water is less than 650 cubic meters per capita per year, making it one of the most water-scarce countries in the world" states the African Development Fund (African Development Fund 6). Although the Ewaso Ng’iro is the largest of five water catchments in Kenya, a shortage in natural resource availability has become prevalent ever so increasingly in the past few years (Said et al. 5).
Climate Change
The tributaries that drain into the catchment have progressively began to dry up, particularly throughout the dry seasons of the year.[citation needed] (Mutiga, Su, and Woldai 102). Other changes such as "unreliable rainfall patterns and quantities and decreasing discharge during the low flow periods" also have significant impacts on all aspects of the Ewaso Ng’iro watershed (Aeschbacher, Liniger and Weingartner 155,156). The water catchment lies predominantly through arid to semi arid landscapes where the annual levels of rainfall and precipitation have seemingly decreased over the years.[citation needed] As uneven water distribution has become a complex issue, the ability to support the ecosystem's vegetation and wildlife will decrease, and human populations and developments will be faced with ongoing sustainability challenges.
Evapotranspiration