Canjin yanayi yana barazanar shafe albarkatun ruwan mu

canjin yanayi na yin barazana ga albarkatun ruwan mu

Kamar yadda muka tattauna a cikin labaran da suka gabata, canjin yanayi yana kara yawan lokuta da kuma tsananin munanan al'amuran yanayi kamar fari. Dogon ruwa mai tsananin gaske yana barazanar lalata ajiyar ruwa kuma wannan yana jefa mu cikin hadari.

Dukansu don amfani da masana'antu, kamar aikin gona da don amfanin ɗan adam da wadatar su, ruwa yana da mahimmanci kuma yana da mahimmanci albarkatu. Koyaya, tasirin canjin yanayi a cikin tekun Spain na iya zama mafi girma fiye da waɗanda ake tunani a cikin Tsarin Hydrological Plans, a cewar wani bincike da masu bincike daga jami'ar Polytechnic ta Valencia (UPV) suka yi na kwalejin koyon aikin ruwa da muhalli (IIAMA).

Ta yaya canjin yanayi ke shafar albarkatun ruwa?

Albarkatun ruwan Spain na karewa

Lokacin da fari ya rage ruwan sama na shekara-shekara, albarkatun ruwa na raguwa bayan amfani da su. Bugu da kari, ga wannan dole ne mu kara da cewa karuwar yanayin zafin jiki a duk shekara yana kara yawan gurbataccen ruwan da yake daskarewa kuma ba shi da wani amfani. Ba a la'akari da waɗannan fannoni gaba ɗaya a cikin tsarin ruwa mai yawa a cikin Sifen.

Binciken Patricia Marcos ya inganta game da tasirin canjin yanayi akan tsare-tsaren aikin ruwa kuma an buga shi a cikin mujallar kimiyya Ingeniería del Agua. Wannan binciken ya jaddada iyakokin hanyoyin da aka bayar a Spain don samun damar hada dukkanin tasirin canjin yanayi a cikin tsarin binciken ruwa.

A binciken sun yanke hukunci wanda ya nuna cewa gudanar da aikin ruwa a Spain kawai yayi la’akari da rage kayan shigar ruwa daga ruwan sama kuma baya la’akari da bambancin sararin samaniya a daidai sashin kera ruwa. Wannan yana nufin, tasirin canjin yanayi ba su fahimci iyakokin ruwa da mutane suka kirkira ba, amma ya shafi cikakken tsawo daidai. Tsarin ruwa na yanki mai cin gashin kansa na iya yin la’akari da wasu bangarorin kuma wani shirin yana la’akari da wasu, amma, duk da haka, canjin yanayi yana haifar da tasirin daidai.

Albarkatun ruwan Spain a cikin haɗari

fari a tafkunan ruwa

Binciken ya kimanta tasirin canjin yanayi kan albarkatun ruwa na tsarin amfani da kogin Júcar, la'akari da sabbin yanayin canjin yanayi da kuma kwatanta sakamakon wasu samfuran ilimin ruwa guda uku. An kuma lura da yadda aka rage albarkatun ruwa a cikin gajere da matsakaita da kuma yadda za a kara raguwa. Ana sa ran albarkatun ruwa za su ragu da 12%, amma binciken ya kiyasta raguwar 20-21% a cikin gajeren lokaci da kuma 29-36% a matsakaicin lokaci.

Ba a yin la'akari da wannan ragin albarkatun ruwa a cikin shirin fari na al'ummomin da ke cin gashin kansu. A zahiri, an gano cewa a cikin 'yan shekarun nan an riga an sami raguwa kwatankwacin wanda aka yi amfani da shi a cikin Tsarin. Bugu da ƙari, binciken ya ƙaddara babban rashin tabbas game da yiwuwar rage yawan albarkatun, wanda aka samo daga ƙirar yanayi kuma, zuwa ƙarami, daga ƙirar ruwa.

Ayyade yawan raguwar albarkatun ruwa ba ya dogara ne kawai da tasirin canjin yanayi ko hasashen yanayi, har ma da sauran abubuwa, kamar yanayin zafi, tsarin iska, ƙaruwar buƙata da yawan jama'a, bukatun noma, da sauran abubuwa. Wannan shine dalilin da ya sa bincike ya ba da shawara don aiwatar da tsare-tsaren da ke fuskantar ba kawai don ƙayyade ragi da yawan albarkatun ruwa ba, amma maimakon iya nazarin ƙarfin hali (iya daidaitawa da ɗaukar kaya) wanda ruwan da aka adana yana fuskantar yanayin damuwa. Ta wannan hanyar, yana yiwuwa a gano waɗanne yankuna ne suka fi sauƙi ga tasirin sauyin yanayi da kuma ba da shawarar matakan daidaitawa.

Kamar yadda kake gani, canjin yanayi yana yin barazana ga ajiyar ruwa. Ruwa abu ne mai matukar daraja da muhimmanci wanda dole ne mu kiyaye shi.


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