MINTAQAI ARKTIKI

MINTAQAI ARKTIKI, mintaqai geografii Zamin ast, ki qismi zi­yodi shim. Arktikaro dar bar megi­rad. Sarhadi Mintaqai arktiki odatan az rui izotermai +5° S mohi garmtarin muayyan karda shuda, on dar jaziraho va khushkii materikii Arktiki bo sarhadi bayni zonahoi biyoboni ark­tiki va tundra muvofiq meoyad. Khususiyathoi asosii tabiati Mintaqai arktikiro qimati manfi yo musbati pasti mizoni (balansi) harorati radiasioni (to 41,9 kN dar 1 sm²) ifoda me­kunad. Az hamin sabab harorati havoi in jo doimo past, qismi ziyodi terr. (baze joyho hamesha) barf­push buda, dar on piryakhho farovonand; dar khushkiho prosesshoi bi­ologiyu geokhimiyavi sust surat megirand; masohati kaloni uqyonusro qabati gafsi yakh pushidaast. Dar Mintaqai arktiki tamomi sol massai davoi arktiki hukmfarmost, ki on ba iqlimi terr-hoi kaloni Evrosiyo, Amerikai Shimoli va qismhoi ba Arktika hamshafati uqyonus tasiri ziyode merasonad.