Ambaliyar ruwa a Amurka: kididdigar shekaru 100 da suka wuce

Duk da cewa ambaliyar ruwa a Amurka ba ta da yawa, yana da kyau ga girmanta. Tabbatar da wannan gaskiyar zai iya zama ambaliya, wanda ya faru a 1927, 1993 da 2009. Babban fasalin ambaliyar ambaliyar ruwa ta Amurka ita ce mafi yawancin hadari ne da hadari. Bugu da ƙari, wasu lokuta ana taimakon su ta hanyar taimakon wasu jihohin Amurka. Alal misali, tare da canyons mai zurfi mai zurfi suna cike da ruwa a yanzu, wanda zai haifar da mummunan sakamako.

Ambaliya a Amurka 1927 Ambaliyar ruwa. Hotuna

Daya daga cikin mafi yankunan da ambaliyar ruwa Amurka dauke zube Kogin Mississippi, ya faru a shekara ta 1927. Ta hanyar mummunar lalacewa, wannan mummunan masifa ta fi dacewa da guguwa Hurricane Katrina 2005. A lokacin rani na 1926, yawan ruwan sama ya fara, saboda yawan ruwan da ke cikin Mississippi ya zama mummunan. Kuma a cikin watan Afrilu 1927, tsawon lokaci da kuma hazo mai tsafta ya haifar da fitowar kogin mai suna daga bakin teku.

A kwarara daga kusan sau biyu tsawo na Niagara Falls. Ba abin mamaki bane, zai iya rushe dam na kusa da Greenville. Yawancin damuwa da yawa sun lalace. Gaba ɗaya, jihohin 10 sun ambaliya. Arkansas ya sha wahala mafi yawan. Ruwa ya fara karuwa ne kawai bayan watan Agusta. Sakamakon ruwan tsufana ya kasance mummunan rauni:

• Ba tare da gidajen zama mutane 700,000 ba;
• 246 mutane suka mutu;
• Lalacewar abu ya kai dala miliyan 400.

Ya kamata a lura cewa wannan bala'i yana da nasaba da sakamakon siyasa da zamantakewa. Bugu da kari, an nuna shi a al'ada (littattafai da kiɗa).

Ambaliyar ruwa a Amurka a 1993

Dalilin wannan ambaliyar shine ambaliyar ruwan sama da ruwan sama wanda ya ci gaba a cikin kaka da kuma hunturu na 1992-1993. A sakamakon haka, matakin ruwa a cikin koguna da dama ya wuce yawanci sau bakwai. Mississippi da Missouri, da kuma masu goyon bayansu, yada. Rashin bala'in ya dade kusan watanni shida (Afrilu-Oktoba). Sakamakon sun kasance kamar haka:

• 32 mutane suka mutu;
• 800 dubu km ² ya malale, lokacin .;
• An hallaka dubban gidaje.

Bayan ruwan ambaliyar da aka bayyana, hukumomin Amurka sun fara nazarin manufofi game da ambaliyar ruwa. An biya babban kulawa ga wurin da aka sanya dams da dams, da kuma kula da yankuna. Har ila yau, gwamnati ta yanke shawarar sayen wa] anda ke zaune a yankunan da ambaliyar ruwa, a cikin yankunan kogi. Akwai shirya halitta yankunan, da ambaliyar ruwa, abin da ba zai kasa hatsari.

Ambaliyar ruwa a Amurka a shekarar 2008

A lokacin rani na shekara ta 2008, jerin samfurori sun kai tashar Amurka, wanda ya haifar da ruwan sama mai yawa wanda ya haddasa ambaliyar ruwa. Dubban mutane sun tilasta su bar gidajensu. A Iowa, kogin ya ambaliya dukan birnin. Hanyar hanyoyi sun ɓace, gadoji sun lalata, babu wutar lantarki. Ruwan ya fara sauka a cikin rabin wata bayan "farawa" na bala'i. A sakamakon wannan bala'i ya kashe mutane 24 da suka (ambaliyar da'awar 171 rayukansu a Rasha, 2012), da kuma a Iowa 40 dubu. Mutane suka ragu ba tare da tsari. Bugu da ƙari, an cika gonaki, saboda abin da farashin abinci ya tashi sosai.