Nyabarongo river
Nyabarongo river babban kogi ne a kasar Ruwanda, wani bangare ne na kogin Nilu. Tare da jimlar tsawon kilomita 351 (218 mi), shine kogin mafi tsayi gabaɗaya a Ruwanda. An tsawaita nisan kilomita 421 (262 mi) a cikin tafkin Rweru wanda ya hada da babban hanya mai nisan kilomita 69 (43 mi) na Kogin Kagera kafin shiga cikin Kogin Ruvuvu don samar da Kogin Kagera. Kogin ya fara tafiyarsa ne a mahadar kogunan Mbirurume da Mwogo a Kudu maso yammacin kasar. Su kansu wadannan koguna biyu suna farawa ne daga dajin Nyungwe, kuma wasu suna ganin su ne tushen mafi nisa na kogin Nilu. Daga farkonsa, Nyabarongo yana gudana zuwa arewa na tsawon kilomita 85 (mil 53), kuma ya yi iyaka tsakanin Lardunan Yamma da Kudanci. A haɗuwa da kogin Mukungwa, kogin ya canza hanya kuma yana gudana zuwa gabas har tsawon kilomita 12 (mil 7.5), sannan zuwa mafi yankin Kudu maso Gabas na kilomita 200 na ƙarshe (mil 124). A tsawon tsawon wannan kwas, kogin ya kasance iyaka tsakanin Lardunan Arewa da Kudancin kasar, sannan tsakanin birnin Kigali da lardin Kudu, sannan kuma tsakanin birnin Kigali da lardin Gabas.Daga nan ne kogin ya shiga lardin Gabas ya kare daf da iyakar kasar da Burundi. Kogin Nyabarongo ya fantsama zuwa cikin tafkin Rweru da kogin Kagera (ko Akagera) a cikin wani ɗan ƙaramin yanki amma mai rikitarwa. Kogin Kagera yana fitowa daga tafkin Rweru, mai tazarar kilomita 1 daga yankin Nyabarongo. Kusan dukkan rassan Kogin Nyabarongo babu kowa a cikin tafkin, duk da haka, reshe ɗaya na delta ya fantsama kai tsaye a cikin kogin Kagera da aka kafa. Kogin Kagera ya ratsa cikin tafkin Victoria kuma ya zama kogin Nilu.
Asalin
[gyara sashe | gyara masomin]Kogin Nyabarongo ya samo asali ne daga kudu maso yammacin Rwanda zuwa gabashin tafkin Kivu.[1] Tushen kogin ya tashi ne a cikin sarkar dutsen da ta mamaye mafi yawan yammacin ukun Ruwanda, zuwa gabas da Rift na Albertine.[2] Babban magudanar ruwa a ƙasar tuddai mai dazuka, wanda ya samo asali daga tsayin mita 2,600 zuwa 2,750 (8,530 zuwa 9,020 ft) sama da matakin teku, sune kogin Mbirurume da Mwogo.[3] Mafi tsayi daga cikin ƙoramar da ke ba da Mwogo ita ce Rukara, wanda ke tasowa a cikin dajin Nyungwe.Rukarar ta bi kudu da gabas, ta fantsama cikin kogin Mwogo. Kogin Mwogo ya ratsa arewa, yana hade da kogin Mbirurume kudu da Bwakira. Daga wannan haduwar, kogin ya dauki sunan Nyabarongo.[4] Tushen Rukara shine mai fafutukar neman tushen kogin Nilu, mafi nisa daga ruwa.
Hakika
[gyara sashe | gyara masomin]Nyawarungu yana tafiya arewa ta hanyar sarkar dutse a cikin wani kwari mai zurfi wanda yayi daidai da tafkin Kivu kuma kusan tsayin daka kusan mita 1,500 (tafiya 4,900). A Muramba yana karkata zuwa kudu maso gabas. A gefen hagu kogin Nyabugogo yana fitar da magudanar ruwa daga tafkin Muhazi.[3] A kusa da Kigali ana amfani da kogin wajen dafa abinci da sha da wanka. Haka kuma tana karbar najasa da sharar gida daga masana’antu da noma[6]. Kimanin kilomita 35 (mita 22) daga baya kogin Akanyaru yana shiga ta gefen dama, zuwa kudu maso yammacin Kigali.
Hadaddiyar kogin yana gudana gabas sannan kudu maso gabas ta cikin wani faffadan kwari mai fadama[3]. A kan iyakar kasar da Burundi ta ratsa tafkin Rweru. Daga nan sai ta bi ta gabas ta kan iyaka tsakanin Ruwanda da Burundi, sai kuma tsakanin Rwanda da Tanzaniya, har zuwa inda kogin Ruvuvu ya hade da shi. Daga nan kuma ana kiransa Kogin Kagera, babban wadatar tafkin Victoria, wanda ke ratsawa cikin kogin Nilu.[1] Kogin yana magudanar da gabashin tsaunuka da kuma mafi yawan tsakiyar tudun ruwa na Ruwanda.
Manazarta
[gyara sashe | gyara masomin]1.Conservation of Nyabarongo Wetlands for Sustainable Livelihoods, Rwanda". Retrieved 2010-09-09.