Alau Dam

Alau Dam yana cikin kungiyar Alau na karamar hukumar Konduga a jihar Borno a yankin arewa maso gabashin Najeriya, wanda aka gina a shekarar 1984-1986. Tana kama da wani babban tafki a kogin Ngadda, daya daga cikin magudanan ruwa na tafkin Chadi. A shekarar 2024, dam din ya ruguje, wanda ya haddasa mummunar ambaliya a jihar Borno, tare da kashe mutane sama da 150, tare da raba akalla mutane 419,000. Yawo Shigar da ruwa zuwa Alau da Jere Bowl ya dogara ne akan yadda kogin Ngadda ke shigowa, wanda ke kan lokaci. Kogin Ngadda wani yanki ne na babban kogin Yedzeram, wanda ya samo asali daga tsaunin Hudu da ke gabas da Mubi kuma ya ratsa arewa maso yamma zuwa tafkin Chadi. A lokacin damina, kogin Yedzeram yana ba da gudummawar kwararar ruwa mai yawa zuwa cikin kogin Ngadda, wanda daga nan ya shiga Alau da Jere Bowl. Duk da haka, a cikin shekarun da ake fama da ƙarancin ruwan sama, kogin Yedzeram baya ba da gudummawar ruwa sosai ga kogin Ngalda, kuma ana iya rage kwararar shiga cikin Alau da Jere Bowl sosai. Dam din Alau yana karbar ruwa daga kogin Yedzram da Gombole wadanda suke haduwa a dajin Sambisa kuma suna kwarara kamar kogin Ngadda zuwa cikin dam. Dam din Alau yana karbar sharar gida iri-iri daga filayen noma. Hakanan an yi amfani da tafki don kamun kifi na kasuwanci. Tarihi An gina madatsar ruwa ta Alau a shekarar 1984-1986 domin samar da ruwan sha na ban ruwa da amfanin gida a Maiduguri. Dam din yana kuma taimakawa wajen shawo kan ambaliyar ruwa a yankin. Sai dai kuma madatsar ruwan ta zama sanadin ambaliya a wasu lokutan. A cikin 1992, dam ɗin ya kai matsakaicin matakin ajiyarsa kuma ya zube, ya haifar da ambaliya a Jere Bowl. A shekarar 1994, ambaliyar ruwa daga kogin Yedzeram ta haifar da ambaliya mai yawa a Maiduguri. A shekarar 2012, ruwan sama kamar da bakin kwarya ya sanya madatsar ruwa ta Alau ta bude bawul din fitar da su, inda ta fitar da ruwa mai yawa wanda ya haddasa ambaliya a Maiduguri da kewaye. Rushewa Hoton tauraron dan adam na karya na ambaliyar da Sentinel-2, 12 ga Satumba 2024 ya dauka. A ranar 9 ga Satumba, 2024, dam din ya ruguje sakamakon ruwan sama kamar da bakin kwarya, wanda ya haifar da ambaliya da ta mamaye kusan kashi 15% na Maiduguri tare da kashe fiye da kashi 80% na dabbobi a gidan ajiye namun daji na Sanda Kyarimi Park. Akalla mutane 150 ne suka mutu sakamakon ambaliyar ruwa a yankin. An raba mutane dubu dari da gidajensu a Maiduguri. Ko da yake gwamnatin tarayya ta sanar da shirin gyaran madatsar ruwan da ya kai naira biliyan 80 bayan rugujewar, jinkiri da ci gaban da aka samu a tsakiyar shekarar 2025 ya sa yankin ya fuskanci matsalar ambaliya a nan gaba. Yanki Alau Dam ya kasance mita 9 (30 ft) tsayi [mai ban sha'awa - tattaunawa] tare da filin tafki mai nisan kilomita kusan 50 (31 mi). Manazarta