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BEGIN:VEVENT
DTSTART;TZID=Atlantic/Canary:20161013T103000
DTEND;TZID=Atlantic/Canary:20161013T113000
UID:iactalks-938
X-WR-CALNAME: IAC Talks: Open Astronomy Seminars
X-ORIGINAL-URL: /iactalks/Talks/view/938
CREATED:2016-10-13T10:30:00+01:00
X-WR-CALDESC: IAC Talks upcomming talks
SUMMARY:The Role of Snow & Ice in the Climate System
DESCRIPTION:The Role of Snow & Ice in the Climate System\nProf. Roger Barry
 \n\n \nGlobal snow and ice cover (the "cryosphere") plays a major role in 
 global climate and hydrology through a range of complex interactions and f
 eedbacks, the best known of which is the ice - albedo feedback.&nbsp; Snow
  and ice cover undergo marked seasonal and long term changes in extent and
  thickness. The perennial elements - the major ice sheets and permafrost -
  play a role in present-day regional and local climate and hydrology, but 
 the large seasonal variations in snow cover and sea ice are of importance 
 on continental to hemispheric scales. The characteristics of these variati
 ons, especially in the Northern Hemisphere, and evidence for recent trends
  in snow and sea ice extent are discussed. 
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