Ma,ajiyar ruwa(Tafki)

Capel Celyn, Ten Years of Destruction: 1955–1965, Thomas E., Cyhoeddiadau Barddas & Gwynedd Council, 2007, ISBN 978-1-900437-92-9tafki (/ ˈrɛzərvwɑːr/; daga réservoir na Faransa [ʁezɛʁvwaʁ]) wani babban tafki ne a bayan dam, yawanci ana gina shi don adana ruwa mai daɗi, galibi ana ninka don samar da wutar lantarki.

Ana ƙirƙira tafki ta hanyar sarrafa magudanar ruwa da ke zubar da ruwan da ke wanzuwa, katse hanyar ruwa don samar da ruwa a cikinsa, tonowa, ko gina kowane adadin bango ko lefi don rufe kowane wuri don adana ruwa.

 Rabe-rabe 
Damtattun kwaruruka

Tafkin Vyrnwy. Dam din ya mamaye kwarin Vyrnwy kuma shine babban dam din dutse na farko da aka gina a Burtaniya.

Tafkin Reshen Gabas, wani ɓangare na tsarin samar da ruwa na birnin New York, an kafa shi ta hanyar kame gabar gabashin kogin Croton.

Tafkin Cherokee a cikin Tennessee. An kafa ta ne bayan kame kwarin Holston ta Hukumar Kwarin Tennessee a cikin 1941 a zaman wani bangare na kokarin New Deal na kawo wutar lantarki a kwarin Tennessee.

Tafkunan da aka lanƙwasa tafkuna ne na wucin gadi da aka ƙirƙira kuma suna sarrafa su ta hanyar dam da aka gina a cikin wani kwari kuma sun dogara da yanayin yanayin yanayi don samar da mafi yawan kwalwar tafki. Wadannan tafkunan suna iya zama ko dai tafkunan da ke kan rafi, wadanda ke kan asalin magudanar ruwan kogin kuma suna cike da magudanan ruwa, koguna ko ruwan sama da ke ratsawa da magudanan dajin da ke kewaye, ko kuma tafki, wadanda ke karbar ruwan da aka karkatar daga rafi da ke kusa ko magudanar ruwa ko bututun mai daga sauran tafkunan da ke kan rafi.

Madatsun ruwa yawanci suna kasancewa a kunkuntar wani yanki na ƙasan rafin yanayi. Bangarorin kwari suna aiki azaman bango na halitta, tare da dam ɗin da ke a mafi ƙanƙantar wurin aiki don samar da ƙarfi da mafi ƙarancin farashi na gini. A cikin ayyukan gine-ginen tafki da yawa, dole ne a motsa mutane a sake gina su, an motsa kayan tarihi ko kuma a sake ƙaura wuraren da ba kasafai ba.Misalai sun haɗa da haikalin Abu SimbelUNESCO World Heritage Centre. "Nubian Monuments from Abu Simbel to Philae". Retrieved 20 September 2015(wanda aka motsa kafin gina Dam ɗin Aswan don ƙirƙirar tafkin Nasser daga Kogin Nilu a Masar), ƙaura na ƙauyen Capel Celyn yayin ginin Llyn Celyn, [2] da ƙaura na Borgo San Pietro na Petrella Salto.

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