Birnin da ya fi girma a Amurka zai wuce ruwa tare da miliyoyin mazauna cikinta!
Ɗaya daga cikin birane mafi girma da kuma manyan garuruwan da ke Amurka a Amurka sun yi ikirarin cewa suna da alamar kyakkyawan birni a duniya. A cewar kimanin kiyasta, mutane 8.5 zuwa miliyan 10.5 suna zaune a cikinta - kuma wannan banda wadanda baƙi ba bisa doka ba ne. Tun lokacin girgizar asa da ruwan sama masu saurin sau da yawa yakan faru a ciki, masanan kimiyya da masu kula da yanayin dindindin kullum suna lura da yanayin da ake yi game da canjin yanayi da kuma motsi na tectonic. Kwanan nan mambobin jami'o'i uku na kimiyya a Amurka sun firgita: New York za ta kasance karkashin ruwa kuma wannan zai faru a tsawon shekaru 100!
Bayanin farko game da wannan binciken kimiyya mai ban mamaki ya bayyana a cikin sanannun kimiyyar kimiyya na mujallo ta Cibiyar Nazarin Kwalejin Kimiyya ta kasa. Wannan labarin ya bayyana binciken da ya fi ban sha'awa, wanda gwamnati ta jawo hankalin kwararru daga wuraren bincike na kimiyya uku a Princeton, Ruttersky da Cibiyar Oceanographic. Dalilin wannan kwamiti shine guguwa Sandy, wanda ya zama bala'in bala'i ba kawai a New York ba a shekarar 2012.
"Sandy" ya samo asali ne a Jamaica shine dalilin damuwa ga Barack Obama, yana roƙon mazauna birnin da gaggawa su rufe kansu a cikin gidajensu kuma su kasance a shirye su fuskanci ruwan sanyi mai tsananin zafi. "Sandy" ta tilasta Kamfanin Stock Exchange, hedkwatar Majalisar Dinkin Duniya, ta rufe da kuma soke duk wani jirgi a jihohi uku. 7 jirgin ruwa sun ruguje, kuma an raba Manhattan Island na kwana uku da ruwa daga kogin. Matsayin magunguna wanda ya wanke shi ya kai mita 4 a tsawo. Mutuwar mutane 73 da kuma lalacewar biliyan 65 - wannan shine abin da ya bar Sandy bayan kansa a New York.
Binciken na karshe shi ne gano cewa "Sandy" shi ne karon farko na hurricane - wani harbinger na wasu, da karfi da zafi na wurare masu zafi. Masana kimiyya sun tabbatar da cewa yawancin irin wadannan labaran zasu kara, samun cikakken karfi ta 2100-2170. Dalilin haka zai zama rawar jiki na duniya: saboda haka, zazzabi zazzabi a New York za ta tashi ta digiri biyu a cikin shekara-shekara na shekara-shekara, saboda abin da za a binne birnin a ƙarƙashin raƙuman ruwa. Abin takaici, shugaban kasa na yanzu Donald Trump bai yi imani da mummunan makomar New York ba kuma ya bar dukkan yarjejeniyar muhalli na Amurka daya ...
Wane mutuwa ne aka ƙaddara ya hallaka mazaunan New York? Tuni a shekara ta 2050 yawan guguwa zai ninka, kuma raƙuman ruwa a kowane lokaci zasu kai mita 2.7-3. A cikin shekaru 10, hadarin sabon hadari zai kara sau 17, wanda zai haifar da mutuwar dubban mutane. Kayan aikin kwamfuta ya taimaka wajen gane cewa a cikin watan Yuni 2055 a New York akwai ambaliyar ruwa 1-2 tare da tsawo mai tsawo zuwa mita 4.
Masana kimiyya ba su da kyakkyawar fadi, saboda haka tunanin zai zama abin ban mamaki cewa sun yi kuskure a lissafin. "Tambaya ita ce ta yaya abubuwa mafi muni za su fito - kallo mai kyau ba zata wanzu ba," masanin kimiyya Benjamin Horton yayi bayani game da sakamakon bincike na ban mamaki. Amma mazaunan New York sunyi imani da hasken kimiyya kuma za su iya tserewa daga mummunan ɓangaren?