Mmetụta radiative
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Radiative forcing (ma ọ bụ ihu igwe forcing) bụ mgbanwe na ike na ikuku nke sitere na ihe okike ma ọ bụ ihe sitere n'aka mmadụ nke mgbanwe ihu igwe dị ka a tụrụ ya site na watts / meter2.[1][2] Ọ bụ echiche sayensị eji eme ihe iji chọpụta ma jiri ya tụnyere ihe ndị na akpali mgbanwe na nguzozi ike nke ụwa.: 1[[4 System feedbacks na mgbanwe dị n'ime bụ echiche ndị metụtara ya, na agụnye ihe ndị ọzọ na-emetụtakwa ntụziaka na oke nke enweghị nkwekọ.[3]
Mmanye radiative dị mma pụtara na ụwa na enweta ike na abata site na ìhè anyanwụ karịa ka ọ na agbasa na mbara igwe. Mmụba a nke ike ga akpata okpomọkụ. N'aka nke ọzọ, nrụgide radiative na adịghị mma pụtara na ụwa na efunahụ ike karịa ka ọ na enweta site na Anyanwụ, nke na emepụta oyi. A planet na radiative equilibrium na nne ya kpakpando na ndị ọzọ nke mbara igwe nwere ike ịkọwa saịtị nanet efu radiative mmanye na saịtị na okpomọkụ nke planetary equilibrium.[4]
A na enyocha nrụgide radiative n'ụwa n'ụzọ doro anya na tropopause na n'elu stratosphere. A na atụle ya na nkeji nke watts kwa square mita, ma na ejikarị ya chịkọta dị ka nkezi n'elu mpaghara ụwa. Radiative forcing dịgasị iche na insolation nke anyanwụ, albedo elu, na ikuku nke radiatively active gases nke a maara dị ka greenhouse gases na aerosols.