Challawa Gorge Dam

dam na northwest Nigeria

Mmiri mmiri Challawa Gorge dị na okpuru ọchịchị ime obodo gọọmenti Karaye nke Kano Steeti na mpaghara ndịda ugwu nke Naijiria, ihe dịka iri iteghete km ndịda ọdịda anyanwụ nke obodo Kano.  Ọ bụ nnukwu ọdọ mmiri dị n'osimiri Challawa, nke dị n'akụkụ osimiri Kano, nke bụ isi iyi nke osimiri Hadejia.. [1]

Ebe a na-adọba ụgbọala n'osimiri Yobe
Mmiri mmiri nke Challawa Gorge si na mbara igwe

Ihe owuwu

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Ụlọ ọrụ Water Resources and Engineering Construction Agency nke gọọmentị Kano steeti malitere ọrụ mmiri mmiri Challawa, ma mesịa nyefee ya n'aka gọọmenti etiti bụ onye nyere ego ọrụ ahụ. Ọ bụ ụlọ ọrụ Hadejia-Jama'are River Basin Development Authority bụ ụlọ ọrụ gọọmenti etiti nwe ma na-arụkwa ya. [2]

Julius Berger Nigeria mmiri mmiri a n'afọ 1990 - 1992 site n'iji wuo ala.  Ọ dị afọ 42 m elu na 7.8 km n'ogologo.  [1] Dam ahụ nwere ikike nchekwa zuru oke nke 930,000,000 yana nchekwa na-arụ ọrụ nke 904,000,000 m 3 .  mgbaàmà nwude mgbasa bụ 3857 km2. [3]

Ike ike mmiri

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Emebere dam ahụ n'uche na ike ike ike mmiri, ma nwee ike ịdị 3MW na nkezi - diẹ n'oge mmiri ozuzo yana obere oge ọkọchị.  ụgbọala, ike ga-eriri nnukwu ego iji wepụtapụta ọnụ ahịa dị ugbu a, ma o doghị anya ka a ga-esi ego maka ọrụ ịwụnye na-ahụ ihe ihe. [4]

Ala dị n'ime ebe a na-adọba mmiri ozugbo emebeghị ka ọ kwụsie ike, yabụ na mmiri mmiri ahụ nwere ike na-agbaze. A na-echekwa silt n'osimiri Challawa, na-emetụta ụlọ oriri nke Kano City Water Supply. Ihe mgbochi mmiri ahụ emebiela nguzozi eke n'akụkụ osimiri ahụ. Ebe ndị dị n'elu nwere idei mmiri ugbu a ebe ala mmiri dị n'okpuru osimiri na ala ubi akpọnwụwo. [5]

Ebum n'obi ime mmirika ahụ iji kwado ịgba mmiri, dị ka ịgba ịgba mmiri na na-Hadejia nke isiokwu 1990, n'agbanyeghị na ọ bụ naanị ihe dị ka 6,000 Ha ikike, nke na-anya ihe dị ka 30%  nke ebe a mụrụ naanị ọtụtụ iri afọ.  Otu n'ime ihe ndị ọzọ a na-ahọ mpi a na-eji mmiri ahụ bụ mmiri na-enye obodo Kano, ịgba mmiri n'ikiri osimiri, ihe mmetụta wdg.  Ogige mmiri Challawa na ɔdɔ mmiri Tiga dị nso enwewokwa dị njọ na ala mmiri nke Hadejia-Nguru .  [1] Ọtụtụ ndị na-egosila na eje ndị mmiri a ebupụtala uru akụ na aka na-adịghị mma mgbe ekiri ha nwere n'ime obodo ndị dị n'okpuru. [6] [7]

Ntụaka

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  1. Challawa Gorge Dam in Nigeria (en). My Guide Nigeria. Retrieved on 2023-09-16.
  2. Etiosa UYIGUE, Society for Water and Public Health Protection. The Efficiency and Impacts of Dams: A Case Study of the Challawa Gorge Dam. Netherlands Society for Nature and Environment. Archived from the original on 2011-07-17. Retrieved on 2009-10-02.
  3. APPRAISAL OF THE SAFETY OF THE TIGA AND CHALLAWA GORGE DAMS, NIGERIA. World Bank / Lake Chad Basin Commission (March 2002). Retrieved on 2009-10-02.
  4. PROF. ABDU SALIHI, FNSE (11–12 May 2009). Hydropower Development at Tiga and Challawa Gorge Dams, Kano State, Nigeria. International Network on Small Hydro Power (IN-SHP). Archived from the original on 26 July 2011. Retrieved on 2009-10-02.
  5. Challawa Gorge Reservoir. United Nations Environment Program. Archived from the original on 2009-05-09. Retrieved on 2009-10-03.
  6. Edward B Barbier (November 7, 2002). Upstream Dams and Downstream Water Allocation - The Case of the Hadejia'Jama'are Floodplain, Northern Nigeria. Department of Economics and Finance, University of Wyoming. Archived from the original on June 4, 2011. Retrieved on 2009-10-01.
  7. David E. Ervin (2003). Does environmental policy work?: the theory and practice of outcomes assessment. Edward Elgar Publishing. ISBN 1-84064-170-3.