Dry Andes

Dry Andes (Spanish) yanki ne na yanayi da glaciological na Andes . Tare da Wet Andes yana ɗaya daga cikin yankuna biyu na Andes na Argentina da Chilean. 

Dry Andes yana gudana daga hamadar Atacama a arewacin Chile da Arewa maso yammacin Argentina kudu zuwa latitude na 35 ° S a Chile. A Argentina Dry Andes ya kai 40 ° S saboda tasirin leeward na Andes. A cewar Luis Lliboutry ana iya bayyana Dry Andes ta hanyar rarraba masu tuba. Ana samun penitentes mafi girma a kudancin Lanin Volcano.

Dutsen kankara yana faruwa a wasu sassan Dry Andes, amma ba su da yawa a kudancin Wet Andes.[1] A cikin Dry Andes, ƙanƙara na yau da kullun suna tasowa yawanci a mafi tsawo fiye da ƙanƙarar dutse.[1] A kusa da dutsen Aconcagua dutse ya kai tsawo kamar yadda ya kai 900 m a.s.l.[1]￼

Babban Cordillera kusa da Santiago na iya kasancewa ƙarƙashin mahimman glaciation tun farkon shekaru miliyan 1 da suka gabata, kamar yadda ci gaban kwarin glacial ya nuna.

 Paleogeography, paleoclimatology da paleoglaciology 
Kodayake hazo yana ƙaruwa tare da tsawo, akwai yanayin tsaka-tsaki a cikin kusan mita 7,000 (23,000  tsaunuka masu tsawo na Andes. Wannan yanayin busassun tsaunuka ana ɗaukarsa na nau'in subtropic a 32-34 ° S. A cikin kwarin kwarin kawai ƙananan shrubs ne ke girma. Mafi girman kankara, misali kankara na Plomo da kankara na Horcones, ba su kai kilomita 10 (6.2  a tsawon ba; kaurin kankara ba shi da mahimmanci. A lokacin glacial duk da haka, c. shekaru 20,000 da suka gabata, kankara sun fi sau goma tsawo. A gefen gabas na wannan ɓangaren Mendoza Andes sun sauka zuwa mita 2,060 (6,760  kuma a gefen yamma zuwa c. mita 1,220 (4,000 . Tsawon tsaunuka na Cerro Aconcagua mita 6,962 (22,841 , Cerro Tupungato mita 6,550 (21,490  da Nevado Juncal mita 6,110 (20,050  suna da nisan kilomita daga juna kuma an haɗa su da hanyar sadarwar kankara ta hadin gwiwa. Hannunsa na kankara na dendritic, watau abubuwan da ke cikin kwarin kankara, sun kai kilomita 112.5 (69.9  tsawo, sama da mita 1,250 (4,100  kauri kuma sun kai nisan tsaye na mita 5,150 (16,900 . An saukar da dusar ƙanƙara ta kankara (ELA) daga mita 4,600 na yanzu (15,100  zuwa mita 3,200 (10,500  a lokacin ƙanƙarar. 

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