Ị maara ebe magnetik okporo osisi nke ụwa bụ

Ndi ị maara na Earth nwere 4 okporo osisi: abụọ ala na abụọ magnetik? Na ala okporo osisi na-gaghị adaba magnet. Ị chọrọ ịma ebe Odudu Okporo osisi nke Ụwa? Ná ngwụsị nke iri abụọ na narị afọ, dị ka aha ha: North - ke ogbu nke ugwu nke ụsọ oké osimiri Canada, na n'ebe ndịda - banyere otu narị kilomita site na nsọtu Antarctica.

Na ebe bụ magnetik okporo osisi nke ụwa ugbu a? ha mgbe niile na-akpụ akpụ. Ka ihe atụ, n'ebe ugwu na 1831 (na oge nke ya oghere), bụ na 70 degrees. w. na Canada. Mgbe afọ 70 nke pola nchoputa R. Amundsen hụrụ ya ugbua na 50 km n'ebe ugwu. Ọkà mmụta sayensị na ndị nwere mmasị na nke a, malite na-ekiri. Ọ tụgharịrị osisi "na-ejegharị" na-amụba ọsọ. ya ọsọ na mbu obere, ma ụba 40 km / afọ na-adịbeghị anya. Mgbe a na ọnụego, site 2050, n'ebe ugwu magnetik osisi "aha" na Russia. Na ọ ga-ọ bụghị naanị mara mma foto nke ebe ugwu ọkụ, nke ga-hụrụ fọrọ nke nta dum Siberia, ma nsogbu na ojiji nke compass. ikpughe na-amụbakwa ohere na ụzarị, t. Iji. The osisi nso Ụwa ndọta dị nnọọ obere karịa na ụwa. The nha gosiri na n'ime afọ 150 na ndọta nke Earth bụ ihe na-erughị 10%. Na na ọ bụ nnọọ irè n'aka nchedo site niile dị ndụ ike na elu anyanwụ radieshon. American astronauts onye ama na ọnwa, we si na mkpuchi nke ndọta nke Earth wee a nwayọọ ụdị radieshon ọrịa. Na ọbụna dị ka ha ahụghị ọnwa, ma ịhụ ebe magnetik okporo osisi nke Earth, enweghi ike.

Land na Antarctica

Antarctica - a akụkụ nke Ụwa nso South osisi. Ọ na-akpọ "Anti-Arctic" ma ọ bụ Ndanda-Arctic, dị ka ihe na-eti ọkpọ nke Arctic. The aha ndị nke ikpeazụ na-ewepụtara Greek Arktos - dipper. Ebe ọ bụ na ndị Grik oge ochie a na-akpọ ndị ìgwè kpakpando nke Ursa Minor na Polar Star, niile mara na njem.

Antarctica bụ kọntinent Antarctica, ya n'akụkụ akụkụ nke Atlantic, Pacific na Indian oké osimiri na oké osimiri nile nke Bellingshausen, Ross, Commonwealth, Weddell na Amundsen na ndị ọzọ. All nke Antarctic mmiri aha ya bụ na Southern Ocean. Na Antarctic, na-agụnye àgwàetiti nke South Shetland, South George, South Orkney, South Sanwichi na ọtụtụ ndị ọzọ. . N'ihi ya, Antarctica na-ewe gburugburu 50-60 nkeji ndịda Yiri.

Antarctica - kasị, ọtụtụ, ọtụtụ ...

Antarctica - ibu na nke driest desert - na oké mmiri ozuzo bụ ihe na-erughị 100 mm kwa afọ: site 40-50 mm na center 600 mm na n'ebe ugwu nke Antarctic Peninsula. The kasị mara na warara okirikiri nke kpọrọ nkụ ndagwurugwu. Mmiri ozuzo na-ahụbeghị nde abụọ afọ. Akọrọ ndagwurugwu agbata obi - na Atacama Desert, ebe ọ na-mmiri a ngụkọta nke afọ 400. The ọdọ mmiri a ndagwurugwu - kasị nnu na ụwa. Oké Osimiri Nwụrụ Anwụ tụnyere ha - fọrọ nke nta ọhụrụ.

Antarctica - ihu igwe siri ike, nke kacha nta okpomọkụ dere na Earth na Soviet Antarctic ebe "Vostok" 21 July 1983 - mwepu 89,6 Celsius C.

Antarctica - a ebe ike ifufe. Etikwasị ebube bụ katabatic ifufe. Ikuku na kọntaktị na kpụkọrọ n'ebe ịdị elu nke 1000 na 4500 m cools, sụkọtara na-amalite ngwa ngwa, igba na n'ikpere mmiri, mgbe ụfọdụ, na-eru gbapụrụ ọsọ nke 320 km / h.

Antarctica - na oké ebe na Earth. Naanị 0.2-0.3% nke elu bụ kpuchie na ice - na Transantarctic ugwu na n'ebe ọdịda anyanwụ na Afrika, nakwa dị ka ala gbara osimiri okirikiri ebe ma ọ bụ onye crests na ọnụ ọnụ (nunataks).

Summer ndịda nke Arctic gburugburu, ebe ndị a na-ewe iwe ike, na mgbe ahụ heats ikuku n'elu ha. Ihe atụ, na kpọrọ nkụ Valley of Victoria Land na December 1961 na ọ bụ + 23,9 ° C

Ugbu a ị maara ebe Ụwa magnetik okporo osisi ndị.