klimatis cvlileba
klimatis cvlileba
klimatis cvlileba
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XVII-XVIII saukuneebis mcire myinvaruli periodebi,<br />
romelTac globaluri masStabebi hqondaT.<br />
dedamiwis klimati icvleboda ukanaskneli<br />
saukuneebis manZilzec. XYIII- saukunis evropis klimati<br />
SeiZleba daxasiaTdes rogorc kontinenturi,<br />
mcirenaleqebiani. 1850 wlidan zomier ganedebsa da<br />
arqtikaSi daiwyo temperaturis gazrda da mimdinare<br />
saukunis 30-iani wlebisaTvis misma saSualo namatma<br />
Seadgina 0,3 0 , xolo arqtikaSi-0,9 0 . XX saukunis 40-ani<br />
wlebidan Crdilo-dasavleT grenlandiaSi daiwyo aciveba,<br />
romelic gavrcelda centralur arqtikaSi, kanadis<br />
arqtikul arqipelagze da nawilobrov aRmosavleT<br />
cimbirze. acivebis intensiuroba gansakuTrebiT maRali<br />
iyo karibis zRvaze. aq 20 wlis ganmavlobaSi haeris<br />
saSualo temperatura Semcirda 3 0 -iT. gasuli saukunis 60-<br />
ani wlebidan aciveba kvlav daTbobam Secvala.<br />
mecnierTa azriT <strong>klimatis</strong> <strong>cvlileba</strong> gamowveulia<br />
umTavresad teqtonikuri, astronomiuli da radiaciuli<br />
mizezebiT.<br />
teqtonikuri procesebi iwvevs reliefis <strong>cvlileba</strong>s,<br />
dedamiwis qerqis awevas an dawevas, rasac mohyveba<br />
xmeleTis farTobis gazrda an Semcireba, okeaneTa<br />
dinebebis <strong>cvlileba</strong>, siTbocvlis gazrda an Semcireba<br />
dabal da maRal ganedebs Soris Dda sxv. aRniSnul<br />
cvlilebebTan dakavSirebiT icvleba dedamiwis zedapiris<br />
siTbos balansis mdgenelebi, tenbrunvis pirobebi da<br />
mTlianad klimati.<br />
astronomiuli hipoTeza dedamiwis <strong>klimatis</strong><br />
<strong>cvlileba</strong>s ukavSirebs dedamiwis brunvis RerZis da<br />
agreTve misi orbitis cvlilebebs. dedamiwa-mTvaris<br />
sistemis evoluciis gamoTvlebma cxadyo, rom dedamiwis<br />
arsebobis 4,5-4,7 mlrd wlis ganmavlobaSi icvleboda misi<br />
brunvis xasiaTi. Teoriulma gamoTvlebma aCvena, rom<br />
Tanamedrove pirobebSi dedamiwis brunvis RerZis<br />
daxriloba misi orbitis sibrtyisadmi izrdeba 5 0 -iT<br />
1mlrd weliwadSi, xolo brunvis siCqare mcirdeba 20%-iT.<br />
amiT dReRamis xangrZlivoba saukuneSi 1,7mlwm-iT izrdeba.<br />
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