Dam ɗin Darlington
| Dam ɗin Darlington | |
|---|---|
 | |
| Wuri | |
| Ƴantacciyar ƙasa | Afirka ta kudu |
Province of South Africa (en)  | Eastern Cape (en) |
| Coordinates | 33°12′22″S 25°08′55″E / 33.206197°S 25.148692°E |
 | |
| Karatun Gine-gine | |
| Tsawo | 48 m |
| Giciye |
Sundays River (en) |
| Service entry (en) | 1922 |
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Dam ɗin Darlington, wanda kuma ake kira Lake Mentz . dam nau'in nauyi ne da ke cikin Kogin Lahadi, kusa da Kirkwood, a Gabashin Cape, Afirka ta Kudu . An kammala shi a cikin 1922 kuma kawai ya cika ta 1928, jinkirin sakamakon fari mai yawa.[1]
Babban makasudin gina madatsar ruwan shi ne samar da isassun wadatattun ruwan sha na tsawon shekaru domin noman ruwa mai yawa a wuri mai albarka, musamman ta hanyar adanawa da sarrafa ruwan ambaliya. A shekara ta 1917, an kafa Hukumar Rawan Ruwa ta Lahadi kuma ta karɓi aikin daga Sashen Ban ruwa na gwamnati a 1918. Ginin ya sami koma baya da yawa, ciki har da rashin kayan aiki da injina, tare da ƙarancin da yakin duniya na farko ya haifar, aikin da bai dace ba (sojojin da suka dawo), annoba ta mura ta 1918, annoba ta bubonic, dabaru masu wahala da fari. [2] Jinkirin da aka samu wajen kammala aikin ya haifar da matsalar kudi ga kamfanonin noman rani inda daga karshe sai da Jiha ta karbe basussukan masu noman rani kuma an biya fam miliyan 2,350.000. [2]
An tsara madatsar ruwa ta asali don adana miliyan 142 m 3 . Yawan yawan amfanin ƙasa na Kogin Lahadi yana nufin cewa isar da ruwa a cikin ramin tafki cikin sauri ya rage ƙarfinsa. An ɗaga bangon dam ɗin da 1.5 m a cikin 1935 kuma sake ta 5.8 m (ƙarfin ƙarfin 327,628,072 m 3 ) a cikin 1951/52 don jimre da asarar girman ajiya. [2] An bude dam din da aka sake ginawa a ranar 26 ga Afrilun 1952, wanda Ministan Filaye da Ban ruwa na lokacin, JG Strydom, tare da aikin da Hukumar Rawan Ruwa ta Lahadi ke kula da shi, tare da J. Kevin Murphy a matsayin injiniyan tuntuba. A shekara ta 1979 tafki ya yi asarar kashi 41.47% na ƙarfin ƙira, tare da ~ 135,870,000 m 3 na laka da aka kama a bayan bango.[3]
Tushen a yanzu yana da ƙarfin 187,000,000 cubic metres (6.6×109 cu ft) , tare da 35.3 metres (116 ft) bango mai tsayi. Babban manufarsa shine don ban ruwa, masana'antu da amfanin gida.
Mummunan fari na 1966 da 1967 ya jaddada wajabcin fara aiki akan Canal na Skoenmakers (ikon: 22 m 3 / s) don haɗa Babban Kogin Kifi zuwa Dam Darlington da wuri-wuri. Bisa la'akari da karuwar da ake sa ran za a yi na ban ruwa a karkashin Dam Darlington da kuma bukatar ruwa a cikin babban birnin Port Elizabeth, an yanke shawarar maye gurbin tashar famfo na Wellington Grove tare da De Mistkraal Weir a saman Wellington Grove da wani ɗan gajeren sashe na haɗa canal zuwa ga tashar. farkon Skoenmakers Canal.
Duba kuma
[gyara sashe | gyara masomin]Manazarta
[gyara sashe | gyara masomin]- ↑ van Vuuren, Lani (2009). "Water History: Darlington Dam – SA's Troubled Lake" (PDF). The Water Wheel. 8 Issue 4: 24–28.
- ↑ 2.0 2.1 2.2 Empty citation (help)van Vuuren, Lani (2009). "Water History: Darlington Dam – SA's Troubled Lake" (PDF). The Water Wheel. 8 Issue 4: 24–28.
- ↑ Annandale, GW (1984). "Predicting the distribution of deposited sediment in southern African reservoirs" (PDF). Challenges in African Hydrology and Water Resources (Proceedings of the Harare Symposium). IAHS. Publ. no. 144: 549–567. Archived from the original (PDF) on 2017-12-15. Retrieved 2023-05-21.
- Jerin Madatsun Ruwa na Afirka ta Kudu daga Sashen Kula da Ruwa da Dazuka (Afrika ta Kudu)