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117:. Unlike the tundra that can support plant and animal life in the summer, polar deserts are largely barren environments, comprising permanent, flat layers of ice; due to the scarcity of liquid water, the same is also true of the few ice-free areas. However, there is evidence of some life in this seemingly inhospitable landscape: sediments of organic and inorganic substances in the thick ice hosting microbial organisms closely related to
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Temperature changes in polar deserts frequently cross the freezing point of water. This "freeze-thaw" alternation forms patterned textures on the ground, as much as 5 m (16 ft) in diameter.
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Priscu, John C.; et al. (1998). "Perennial
Antarctic lake ice: an oasis for life in a polar desert".
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Most of the interior of
Antarctica is polar desert, despite the thick ice cover. Conversely, the
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characteristic of extreme non-polar deserts, are not necessarily polar desert.
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in the southern hemisphere, and in the northern hemisphere extending from the
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classification). Despite rainfall totals low enough to normally classify as a
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Polar desert with ground pattern characteristic of freeze-thaw alternation
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97:. These biomes are located at the poles of Earth, covering much of the
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135:, although they have had no ice for thousands of years due to
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Climate scientists have voiced concerns about the effects of
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249:. Chicago, Illinois: Heinemann-Raintree Books. pp.
121:, able to fix carbon dioxide from the melting water.
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66:classification) by low annual temperatures and
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30:are the regions of Earth that fall under an
146:Polar deserts are relatively common during
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157:to the ice poles in these polar biomes.
46:, polar deserts are distinguished from
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164:Effects and transpiration on climate
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70:. Most polar deserts are covered in
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89:Polar deserts are one of two polar
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139:but contain ephemeral streams and
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375:
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327: This article incorporates
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340:United States Geological Survey
246:Arctic Tundra and Polar Deserts
267:
233:
207:
150:, as ice ages tend to be dry.
1:
296:10.1126/science.280.5372.2095
200:
1363:. You can help Knowledge by
190:List of deserts by continent
7:
168:
82:, and they are also called
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1355:This article related to
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93:, the other being Arctic
409:List of deserts by area
185:List of deserts by area
991:Gran Desierto de Altar
329:public domain material
165:
24:
1290:North American Arctic
1031:North American Arctic
163:
22:
1218:Los Médanos de Coro
966:Channeled scablands
589:Ramlat al-Sab'atayn
288:1998Sci...280.2095P
282:(5372): 2095–2098.
129:McMurdo Dry Valleys
16:Region of the Earth
1011:Jornada del Muerto
414:Desert exploration
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68:evapotranspiration
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556:Arabian Peninsula
512:Plaine des Sables
260:978-1-432-94172-7
219:Sand-boarding.com
141:hypersaline lakes
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1420:Topography stubs
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335:Types of Deserts
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221:. 3 January 2022
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1001:Great Salt Lake
946:Baja California
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893:Bardenas Reales
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810:Iranian Plateau
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667:Saryesik-Atyrau
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477:Farafra (White)
418:
404:List of deserts
394:Desertification
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241:Woodford, Chris
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215:"Polar Deserts"
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180:Desertification
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32:ice cap climate
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1071:Tule (Arizona)
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1041:Painted Desert
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863:Southeast Asia
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155:global warming
137:katabatic wind
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1248:Polar regions
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1200:South America
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1076:Tule (Nevada)
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710:Gurbantünggüt
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594:Rub' al Khali
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119:cyanobacteria
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107:North America
104:
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92:
87:
85:
84:white deserts
81:
77:
73:
69:
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61:
55:
49:
45:
41:
37:
33:
29:
28:Polar deserts
21:
1365:expanding it
1354:
1339:
1270:Meyer Desert
1128:Little Sandy
898:Cabo de Gata
780:Indus Valley
700:Badain Jaran
622:Aral Karakum
614:Central Asia
604:Wahiba Sands
517:Richtersveld
442:Black Desert
399:Polar desert
398:
334:
321:
279:
275:
269:
245:
235:
223:. Retrieved
218:
209:
152:
145:
126:
123:
88:
83:
57:
51:
48:true deserts
35:
27:
26:
1178:New Zealand
1158:Sturt Stony
1118:Great Sandy
1056:Smoke Creek
1021:Lechuguilla
1006:Great Sandy
996:Great Basin
637:Betpak-Dala
1404:Categories
1357:topography
1265:Antarctica
1228:Patagonian
1213:La Guajira
1153:Strzelecki
1046:Red Desert
986:Forty Mile
971:Chihuahuan
951:Black Rock
767:South Asia
752:Taklamakan
527:Tanezrouft
201:References
133:Antarctica
76:ice fields
72:ice sheets
62:under the
38:under the
1410:Landforms
1295:Greenland
1257:Antarctic
1105:Australia
981:Escalante
918:Deliblato
775:Cholistan
692:East Asia
492:Moçâmedes
225:11 August
99:Antarctic
1324:Category
976:Colorado
956:Carcross
941:Amargosa
913:Tabernas
903:Monegros
853:Registan
657:Moiynkum
652:Kyzylkum
564:Ad-Dahna
482:Kalahari
432:Algerian
243:(2011).
169:See also
148:ice ages
80:ice caps
1415:Deserts
1329:Commons
1319:Project
1238:Tatacoa
1233:Sechura
1208:Atacama
1186:Rangipo
1148:Simpson
1143:Pedirka
1138:Painted
1096:Oceania
1061:Sonoran
908:Oleshky
785:Katpana
757:Tengger
682:Ustyurt
672:Sarykum
647:Karakum
632:Barsuki
627:Aralkum
579:Judaean
574:Arabian
537:Western
467:Eastern
457:Danakil
378:deserts
312:9641910
304:2896532
284:Bibcode
276:Science
1282:Arctic
1168:Tirari
1163:Tanami
1113:Gibson
1051:Sevier
1036:Owyhee
1026:Mojave
961:Carson
936:Alvord
885:Europe
871:La Paz
848:Polond
843:Naomid
790:Kharan
747:Qaidam
735:Kubuqi
725:Kumtag
677:Taukum
599:Syrian
532:Ténéré
522:Sahara
502:Nubian
487:Libyan
462:Djurab
452:Chalbi
437:Bayuda
424:Africa
389:Desert
376:World
310:
302:
257:
195:Tundra
175:Desert
111:Europe
103:Arctic
95:tundra
91:biomes
64:Köppen
44:desert
40:Köppen
1359:is a
1223:Monte
838:Margo
828:Leili
823:Khash
818:Kavir
740:Mu Us
730:Ordos
584:Negev
569:Nefud
507:Nyiri
497:Namib
472:Ferlo
331:from
300:JSTOR
105:into
78:, or
1361:stub
1086:Yuma
1081:Yuha
1016:Kaʻū
800:Thar
795:Thal
715:Hami
705:Gobi
547:Asia
447:Blue
308:PMID
255:ISBN
227:2022
115:Asia
113:and
833:Lut
720:Lop
662:Ryn
292:doi
280:280
251:6–7
131:of
59:BWk
56:or
53:BWh
1406::
338:.
306:.
298:.
290:.
278:.
253:.
217:.
109:,
86:.
74:,
36:EF
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1378:v
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369:e
362:t
355:v
342:.
314:.
294::
286::
263:.
229:.
50:(
34:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.