PowerPoint Presentation · 2007 2016 Photos taking from a glider by Christine Levy. Diavolezzafirn...
Transcript of PowerPoint Presentation · 2007 2016 Photos taking from a glider by Christine Levy. Diavolezzafirn...
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Slowing down the retreat of the Morteratsch glacier, SwitzerlandJ. Oerlemans (Utrecht University), M. Haag (Fachhochschule Nordwestschweiz),
S. Balasubramanian, C. Levy & F. Keller (Academia Engiadina)
2007 2016
Photos taking from a glider by Christine Levy
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Diavolezzafirn (ski slope)
fleece cover in summer since 2007
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Diavolezzafirn (ski slope)
fleece cover in summer since 2007
Fleece cover is impossible because of:
• scale
• ice movement
C. Levy, 1 August 2017
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Calibration of glacier model
against length observations since
year 1850
Reference run with ‘no climate
change’:
Efuture = E2001-2015
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Reference run with ‘no climate change’: Efuture = E2001-2015
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2003
2016
2040
~1960
Piz Bernina 4049 m
Photo by C. Levy
AWS
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Profliles for the year 2100
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Slowing down the retreat
of the Morteratsch glacier
• preventing ice melt by artificial
snow is the best option
• effort is large – effect is modest
• availability and transport of
water is probably the limiting
factor
Andy Pfenniger
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In conclusion
• preventing ice melt by artificial snow
is the best option
• effort is large – effect is modest
• availability of water is probably the limiting factor
Slowing down the retreat of the
Morteratsch glacier