Madatsar ruwa
Dam wani shamaki ne dake tsayawa ko takura magudanar ruwan saman ko rafukan karkashin kasa. Tafkunan da madatsun ruwa ke samar ba wai kawai na dakile ambaliya ba ne har ma suna samar da ruwa don ayyukan da suka hada da ban ruwa, amfani da mutane, amfani da masana'antu, kiwo, da kuma kewayawa . Yawanci ana amfani da wutar lantarki tare da madatsun ruwa don samar da wutar lantarki. Hakanan za'a iya amfani da dam don tattarawa ko adana ruwa wanda za'a iya rarraba shi daidai tsakanin wurare. Matsakaicin madatsun ruwa gabaɗaya suna yin amfani da babbar manufar riƙe ruwa, yayin da ake amfani da wasu gine-gine kamar ƙofofin ambaliya ko leve (wanda aka fi sani da dikes ) don sarrafa ko hana kwararar ruwa zuwa takamaiman yankuna na ƙasa. Dam ɗin da aka fi sani da shi shine Dam ɗin Jawa a cikin Jordan, tun daga 3,000 BC. Wani tafki ne Wanda Ake anfani dashi Damon tare ruwa.[1]
 madatsar ruwa | |
|---|---|
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| Bayanai | |
| Ƙaramin ɓangare na |
barrier structure (en)  , infrastructure (en) , obstacle (en) , architectural structure (en) da levee (en) |
| Model item (en) |
Saint Petersburg Dam (en) da Aswan Dam (en) |
