CLIMATE CHANGE

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CLIMATE CHANGE IN THE HIMALAYAN CHAIN ITS
IMPACTS
Geoffrey Boulton with Magnus Hagdorn, Nick
Hulton, Hugh Sinclair, Pete Nienow School of
Geosciences University of Edinburgh
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Ganges/Brahmaputra/Indus Flux 1,200 km3/year
Ice snowmelt Flux to Plains 400 km3/year
(mostly in the dry season) Ice snowmelt
80-85 of Ganges dry season flow In last 30 yrs
- 11 reduction in dry season flow
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Nepal transect
Highest Peaks envelope
ELA
6000m
5000m
LIA
LGM
4000m
Mean lowest winter snowline
LIA - Little Ice Age LGM - Last Glacial Maximum
3000m
50km swathe mean topography
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30 km
60 km
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Representative October Images
1976
1989
2000