Chris Cantell Discusses Science: Arktikot na tenok mraz

by Zivka Deleva

Vo vtornikot satelitite na NASA donesoa alarmanten izvetaj to se odnesuva na ledenoto more okolu Severniot Pol. Arktikiot mraz se topi se poveke i poveke! Ovoj region e mnogu senzitiven i ovie denovi e pod vlijanie na klimatskite promeni. Glavniot problem e deka temperaturite vo Arktikata oblast nevoobiaeno brzo se zgolemuvaat to rezultira so toa to ledenata obvivka stanuva se potenka i golemite blokovi led se krat na parinja. "Tenkosta e indikator od dolgovremenoto zdravje na ledenoto more, i toa ne izgleda dobro vo momentot," izjavi Volt Mejer od Nacionalniot centar za podatoci za sneg i mraz. Procesot na topenje veke vlijae na itelite, ivotnite i rastenijata. Koga Ward Hunt Ice Shelf, najgolemiot leden blok vo Arktikot, se skri na parinja i edinstveniot ekosistem od ezeroto za sveavoda koe prethodno bee dodadeno na Ward Hunt bee uniteno. Mnogu sela se vo opasnost od poplava. Ironijata e vo toa to spored naunicite priinata za topenjeto na mrazot e vo klimatskite promeni koi se predizvikani od ovekot. I ledot koj i ponatamu prodoluva da se namaluva ute poveke pridonesuva za globalnoto zatopluvanje. Rabotata e vo toa to koga ovaa zatitna ledena pokrivka ke se stopi zemjata ke apsorbira poveke svetlina i postepeno ke stane potopla. Duri i najstariot postojan mraz pod zemjata se namaluva brzo, samo ovaa godina se namali za 75%. "Izgleda kako Holivuski set," izjavi Mejer za ponoviot mraz koj go pokriva Arktikot. "Moebi izgleda dobro, no ako moe da vidite pozadi ke vidite deka e prazen. I ona to go gledame so ledena pokrivka stanuva se poveke prazno pod ledenata pokrivka."

related story: http://news.yahoo.com/s/nm/20080318/sc_nm/ice_arctic_dc;_ylt=AiP2vn2eV1AtWlDqvS6IZbOs0NUE

by Zivka Deleva for PocketNews (http://pocketnews.tv)

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Edited by: Maria Zitnanska