Tsarin tankin cascade

Tsarin tankin cascade

Iri	cultural heritage (en) irrigation system (en)
Validity (en)	1 millennium "BCE" –
Ƙasa	Sri Lanka

Tsarin tankin cascade

Daga Wikipedia, encyclopedia na kyauta Ruwan sama ya mamaye wani tanki a Sri Lanka Tsarin cascade na tanki (Sinhala: එල්ලංගාව, romanized: ellaṅgāva) wani tsohon tsarin ban ruwa ne wanda ya mamaye tsibirin Sri Lanka. Yana da hanyar sadarwa na dubban ƙananan tankunan ban ruwa (Sinhala: වැව, romanized: wewa) yana zubar da ruwa zuwa manyan tafkunan da ke adana ruwan sama da ruwan sama don amfani daga baya. Suna ba da damar noma a cikin bushe-bushe, inda lokacin fari da ambaliya in ba haka ba yana da wahala a tallafawa filayen paddy da dabbobi.. Ya samo asali a cikin karni na 1st KZ, an tsara tsarin a matsayin Tsarin Gadon Noma Mai Muhimmanci a Duniya ta Hukumar Abinci da Aikin Noma ta Majalisar Dinkin Duniya a cikin 2017. An aiwatar da tsarin kula da tsarin mulki na tsakiya daga ƙarni na 3 zuwa na 13. An ci gaba da kula da ƙananan tsare-tsare da kyau har zuwa lokacin da aka soke aikin dole, biyo bayan haɗin gwiwar Biritaniya na iko da tsibirin. Kokarin da aka yi tun bayan samun 'yancin kai na gyaran tankunan ya sa an dawo da yawancin tsarin, tare da kara da hade sabbin tafkunan. Tafkunan tafkunan sun kai kashi 2.7% na fadin kasar kuma suna da matukar tasiri a yanayin yanayin tsibirin.. Etymology Wurin kamawa a cikin tsarin ana kiransa wewa (වැව) a cikin Sinhala, kuma ana fassara wannan kalmar zuwa Turanci a matsayin "tanki".Ana haɗa waɗannan tankuna a cikin jeri, ana magana da su a matsayin kascade, ta yadda za a iya amfani da magudanar ruwa, ko adana don amfanin gaba, ko isar da su zuwa wani wuri.[7] Kalmar asali a cikin Sinhala na kascade shine ellaṅgāva, wanda kalma ce mai hade da hada ellaṁ ("hange") da gāva ("kusa da juna")..Geography Tsarin cascade na tanki yana da yawa a cikin yanki mai ƙazamin arewa-tsakiya na tsibirin, wanda ke fuskantar zafin equatorial, iyakanceccen ruwan ruwa, da yanayin ruwan sama mara kyau. Zagayowar damina a yankin, haɗe tare da ƙarancin riƙe ruwa a cikin ƙasan yankin, yana haifar da ƙarancin ajiyar ruwa na ƙasa, ƙimar ƙaƙƙarfan ƙazanta, da ƙarancin hazo mai ƙanƙanta ko ma'ana, ma'ana cewa "a cikin wannan yanki mai wuyar dutse ... babu kwanciyar hankali na ɗan adam da zai yiwu ba tare da komawa ga ajiyar ruwa a cikin ƙananan tankuna ba." “Sakamakon yanayi mara kyau” na yankin busasshen tsibirin kuma ya dace da gina tafki ko tafki, tare da ƙananan madatsun ruwa suna iya ƙirƙirar manyan tafki. Gabaɗaya, Sri Lanka na da manyan madatsun ruwa 80 da tankunan tankuna 18,000. Tsakanin tankuna 10,000 zuwa 14,000 suna aiki sosai azaman tushen ban ruwa; Yawancin waɗannan suna riƙe da ruwa a cikin yankin bushewa na arewa ta tsakiya.[13][11] An yi kiyasin jimillar fadin dukkan tafkunan ruwa a Sri Lanka a shekarar 1988 zuwa hekta 175,774 (1,758 km2), kashi 2.7% na yankin kasar. Daga cikin wannan, hectare 39,000[a] yayi daidai da manyan tsoffin tafki guda 44 kawai.[6]