Aƙalla mutane 95 sun mutu kuma daruruwan har yanzu ba a samu ba bayan ambaliyar ruwa da ta afku a yankunan kan iyakar Himalayan na Nepal da Tibet a China. Jami'ai sun yi gargadin cewa wasu sassan Indiya na iya kasancewa cikin haɗari.
Bala'in ya faru ne sakamakon gaggawar ruwa, laka, da tarkace da suka kwararo daga kogin da ke tsakanin China da Nepal. A Nepal, gidaje, hanyoyi, gadoji, da masana'antun wutar lantarki sun lalace, yayin da jami'ai a Tibet suka ce suna fargabar "asarar rayuka masu yawa."
Hukumomi sun ba da sanarwar gargadi ga mazauna gundumomi da dama da su nisanci kogunan Bhote Koshi, Trishuli, da Narayani a Nepal. Jami'ai sun bayar da rahoton cewa mutane 384 masu yawon buɗe ido, ciki har da 291 daga ƙasashe kamar Indiya, Amurka, Burtaniya, da Malaysia, ba a samu ba. Nepal ta kuma ce jami'an soji 44 da 'yan sanda 30 ba a san inda suke ba.
Duba hoto cikin cikakken girma
Sakamakon ambaliyar ruwa a gundumar Nuwakot ta Nepal. Hoton: Xinhua/Shutterstock
Jami'ai daga hukumar yawon buɗe ido ta Nepal sun ce yawancin waɗanda suka ɓace suna iya zama 'yan yawon buɗe ido na Indiya da kuma 'yan kabilar Indiya da ke aikin hajji zuwa Dutsen Kailash a Tibet, wuri mai tsarki ga mabiya addinin Hindu.
An yi imanin cewa ambaliyar ruwan ta faru ne sakamakon dusar ƙanƙara da dutse da suka faɗo daga glacier, wanda ya haifar da gaggawar kwararar ruwa a ƙasa a kogin Lhende Khola, wani reshen Bhote Koshi. Jami'ai sun yi gargadin cewa ambaliyar na iya ta'azzara saboda kogin har yanzu yana toshewa a sama.
An kuma ba da sanarwar gargadin ambaliya a jihohin Bihar da Uttar Pradesh na Indiya, waɗanda ke kan iyaka da Nepal kuma suke ƙasa da kogunan da abin ya shafa.
'Yan sanda a Nepal sun ce har yanzu ba su iya tantance girman barnar ba. Masu ceto sun ce jirage masu saukar ungulu ba su iya sauka a yankunan Syapru Besi da Timure da abin ya shafa a gundumar Rasuwa mai tsaunuka ba har sai ruwan kogin ya ja da baya.
Hotuna sun nuna girman ambaliyar a Nepal
Hotunan gidaje da suka ruguje a cikin ruwan ambaliya, motoci masu iyo, gadar ƙarfe da ruwa ke kwashewa, da ƙauyuka da ruwa, laka, da tarkace suka rufe an nuna su a gidan talabijin na Nepal.
"Ana iya samun asarar rayuka masu yawa ko asarar dukiya," in ji shugaban gundumar Narendra Pariyar, wanda ya buƙaci mutanen da ke zaune a gefen Bhote Koshi su ƙaura zuwa wuri mafi tsayi.
"Akwi barnar da muke gani a ko'ina," in ji Tula Bahadur BK, ma'aikacin lafiya a Rasuwa, ga Reuters. "Mazaunan da ke kusa da kogin sun tafi gaba ɗaya. Dangina biyar ba a san inda suke ba."
Kamfanin dillancin labarai na China Xinhua ya ce ambaliyar ta afku a gefen iyakar Nepal kuma ta katse hanyoyi, sadarwa, da layukan wutar lantarki a yankin Shigatse.
Duba hoto cikin cikakken girma
Masu ceto suna amfani da injin tono don kai wa wanda ya tsira daga ambaliyar wuri mai aminci a gundumar Nuwakot ta Nepal. Hoton: Prakash Mathema/AFP/Getty Images
Shugaban China, Xi Jinping, ya yi kira da a yi "kokari sosai" don neman waɗanda suka ɓace da kuma inganta tsarin sa ido da gargadin wuri don hana bala'o'i na gaba.
Ma'aikatar makamashi ta Nepal ta ce samar da wutar lantarki ya sami raguwa sosai, galibi saboda lalacewar masana'antun wutar ruwa.
'Yan sanda da jami'an soji sun shiga aikin ceto na Nepal, a cewar firaministan ƙasar, Balendra Shah. "An ba da umarnin ƙaura da mutanen da ke zaune a yankuna masu ƙasa zuwa wurare masu aminci. Ana shawartar mutanen da ke gefen kogin da su yi taka tsantsan sosai kuma su kasance a faɗake."
Ambaliyar Bhote Koshi a bara ta kashe mutane tara kuma ta kwashe "gadar abota" da ke haɗa Nepal da China, wanda ya dakatar da kasuwanci da sufuri na watanni. Wannan ambaliyar ta faru ne sakamakon zubar da tafkin glacier a Tibet, a cewar wani mai lura da yanayi na yankin.
Yankin Himalayan, wanda ya ƙunshi Nepal, Indiya, China, da Bhutan, yana da rauni musamman ga ambaliya da zabtarewar ƙasa saboda yana dumama da sauri fiye da sauran duniya sakamakon rikicin yanayi. Bincike ya nuna cewa abubuwan da suka faru na yanayi kamar zafi mai tsanani da ruwan sama mai yawa sun zama ruwan dare gama gari.
Masu bincike a Kathmandu sun kuma gano a farkon wannan shekarar cewa glaciers a yankin Hindu Kush suna narkewa cikin sauri. Adadin ya ninka sau biyu tun daga 2000.
Tambayoyi da Aka Yi Yawaita
Ga jerin tambayoyin da aka yi yawaita game da mummunar ambaliyar ruwa a kan iyakar Nepal da Tibet
Tambayoyi na Gabaɗaya da Halin Da Ake Ciki
Q Menene ainihin abin da ya faru a kan iyakar Nepal da Tibet
A Ruwan sama mai yawa ya haifar da ambaliyar ruwa mai ƙarfi da fashewar tafkin glacier wanda ya aika da guguwar ruwa, laka, da tarkace a cikin kwarin tsaunuka. Wannan ya kwashe gidaje, hanyoyi, da gadoji, wanda ya haifar da barna mai yawa da asarar rayuka masu yawa.
Q Me yasa wannan yanki yake da haɗarin ambaliyar ruwa sosai
A Himalayas tsaunuka ne matasa masu tudu da ƙasa mai rauni. Haɗe da ruwan sama mai ƙarfi na damina da kuma saurin narkewar glaciers saboda canjin yanayi, yankin yana da haɗari sosai ga ambaliya kwatsam da tashin hankali.
Q Mutane nawa ne abin ya shafa
A Lambobin hukuma har yanzu suna canzawa, amma rahotanni sun nuna cewa an tabbatar da mutuwar mutane da dama, yayin da daruruwan aka ruwaito sun ɓace. Ƙauyuka da dama an katse su gaba ɗaya, don haka har yanzu ana tantance girman bala'in.
Q Shin wannan ambaliyar tana da alaƙa da canjin yanayi
A Masana kimiyya sun ce yayin da wannan lamari na musamman ya faru ne sakamakon ruwan sama mai yawa, canjin yanayi babban abu ne. Yanayin zafi mai ƙaruwa yana sa glaciers su ja da baya da kuma samar da tafkunan glacier marasa ƙarfi. Lokacin da waɗannan tafkunan suka fashe, suna sakin ambaliyar ruwa mai halaka wacce ke ƙara yawaita da tsananta.
Q Waɗanne yankuna suka fi shafa
A Yankunan da suka fi shafa su ne ƙauyukan tsaunuka masu nisa da garuruwan da ke kan iyakar kogunan, musamman a lardin Karnali na Nepal da yankin Tibet na China. Ambaliyar ta lalata manyan hanyoyi da hanyoyin tafiya, wanda ya keɓe waɗannan al'ummomin.
Dalilai da Tambayoyin Kimiyya
Q Menene Fashewar Tafkin Glacier (GLOF)
A GLOF yana faruwa ne lokacin da tafkin da aka samar da ruwan narkarwar glacier ya fashe kwatsam. Wannan na iya faruwa lokacin da madatsar ruwa ta halitta ta ƙanƙara ko dutse da ke riƙe tafkin ta rushe, sau da yawa sakamakon girgizar ƙasa, zabtarewar ƙasa, ko gaggawar ruwa daga ruwan sama mai yawa. Sakamakon shi ne katangar ruwa mai ƙarfi da halaka.
Q Wace irin rawa gajimare ya taka a wannan bala'i
A Gajimare wani ruwan sama ne mai ƙarfi kwatsam a cikin ɗan gajeren lokaci a kan ƙaramin yanki. A cikin ƙasa mai tsaunuka, wannan ruwa yana kwarara cikin sauri zuwa kwarin kunkuntar, yana mai da ƙananan koguna zuwa koguna masu ƙarfi a cikin mintuna, yana kama mutane ba tare da shiri ba.
