Estimation of Extreme Flows in Nkana River to Verify the Adequacy of Naming’ongo Bridge Waterway

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dc.contributor.authorKatambara ,Zacharia
dc.contributor.authorMsambichaka ,Joseph J
dc.contributor.authorMkisi, Joseph
dc.date.accessioned2024-04-24T09:58:01Z
dc.date.available2024-04-24T09:58:01Z
dc.date.issued2013-02-05
dc.descriptionThis article was published by Mbeya Institute of science and Technology
dc.description.abstractThe response by the government of Tanzania to food security and poverty alleviation in the Naming’ongo area in Mbozi District has been to develop Naming’ongo irrigation scheme as well as construct a bridge across River Nkana to con nect the farms and other parts of the district to facilitate a reliable transportation of the produce to the market. The Aus tralian Water Balance Model was calibrated by using 10 years data from a nearby sub-catchment of Mbarali. The Nam ing’ongo Sub-catchment was delineated form a 30 m digital elevation model. The observed rainfall was obtained from Mbozi Meteorological station. The study approximated the peak flows in River Nkana for a return period of 50 years to be slight above 560 m3 /s. This was considered to be adequate for the proposed structure. The study recommends that when undertaking human activities such as deforestation and cultivation an account for soil and environmental conser vation should be considered. While it is necessary to establish a monitoring system within the catchment, the designs of future hydraulic structures should incorporate stream flow measuring facilities.
dc.description.sponsorshipMbeya Institute of Science and Technology
dc.identifier.issn299-302
dc.identifier.urihttps://repository.must.ac.tz/handle/123456789/150
dc.language.isoen
dc.publisherMbeya Institute of Science and Technology,
dc.titleEstimation of Extreme Flows in Nkana River to Verify the Adequacy of Naming’ongo Bridge Waterway
dc.typeArticle
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