2012 ọkọchị na Sahel From Wikipedia, the free encyclopedia
2012 nwèrè oke ọkọchị na Sahel, mpaghara semiarid nkè Africa nké dị n'etiti Sahara na savanna.[1] Mba ndị dị na mpaghara a bụ Senegal, Mauritania, Mali, Burkina Faso, Niger, Nigeria, Chad, Sudan, na Eritrea.[2] Oké ọkọchị na Sahel na-eme ugboro ugboro ma na-ebelata obere mmiri na-enye ma na-emetụta akụ na ụba nkè mba ndị na-emepe emepe na mpaghara ahụ.[2]
Oké ọkọchị na-aghọwanye ihe a na-ahụkarị, nke ka njọ ma na-eyi egwu n'ihi okpomọkụ ụwa.[3] Nkọwa nwéré ike ịbụ màkà ọnọdụ mmiri ozuzo bụ mgbakwunye nke ihe omume oceanography a na-akpọ El Niño.[3] Otu echiche bụ na evaporation na-eme n'ụzọ dị elu n'ihi mgbanwe nkè okpomọkụ dị n'elu Oké Osimiri, nkè a na-emetụta oke mmiri ozuzo mpaghara Sahel na-enweta Ihe ọzọ ị ga-eburu n'uche bụ mmeghachi omume nke ikuku anyị na ihe na-akpali akpali dị ka gas na ikuku ikuku na ikuku carbon.[3][3]
Valerie Amos, UN Humanitarian Chief n'afọ 2012, wepụtara nkwupụta n'ime afọ ahụ na-ekwu na ihe karịrị nde mmadụ iri na ise enweghị nri na-edozi ahụ na West Africa na mpaghara Sahel.[4] Isi ihe kpatara ụnwụ nri ahụ bụ ụkọ mmiri ozuzo nkè Sahel, nké sitere na ngwakọta nkè ihe ọkụkụ na-akụ afọ n'ala na El Niño.[3]
Mauritania na Chad dekọrọ mfu n'ihe ọkụkụ nke ihe karịrị pasenti iri ise ma e jiri ya tụnyere afọ 2011. Ihe oriri dị n'ógbè ndị ahụ metụtara dị ala ma jikọta ya na ọnụahịa ọka na-arị elu site na pasenti iri isii ruo iri asatọ na ise ma e jiri ya tụnyere nkezi n'ime afọ ise gara aga. Na Chad naanị nsogbu nri a metụtara ihe dị ka nde mmadụ 3.6.[5] N'ébé ndị dị ka Burkina Faso, ihe karịrị nde 2.8 na-ata ahụhụ n'agụụ ma na Senegal, ihe karịrị narị puku asatọ enweghị ihe zuru ezu iji rie.[4]
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