Modelling the Hydrology of the Greenland Ice Sheet

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Modelling the Hydrology of the Greenland Ice Sheet
Mehmet Karatay Institute of Geography
Supervisors Nick Hulton Pete Nienow
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Greenland
16
84
Freshwater injection some models predict icesheet
disapearing hyrologygtdynamicsgtbetter predictions
left http//www.ggy.bris.ac.uk/images/Greenland2
0topo.gif
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Future of Greenland

• thining predictions pete's drawing etc.
• has this happened before?
• the significance of this
• sea level rises
• oceanic circulation

top left http//cires.colorado.edu/science/groups
/steffen/
right NASA Earth Observatory
top left Steffen Research Group, University of
Colorado at Boulder
bottom left http//www.nasa.gov/vision/earth/look
ingatearth/jakobshavn.html
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What might cause this?
top left
top left NASA Earth Observatory
top right http//malinj.typepad.com/photos/arctic
_pix/greenland_d1_0185.html
bottom row http//www.homepage.montana.edu/geol4
45/hyperglac/meltwater2/
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Investigation methods
a greenland dem here to compare to modelling
http//www.ulapland.fi/home/hkunta/jmoore/okstinde
n_images.htm
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The Modelling

• EISMINT image
• talk about stages in work including darcian flow

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Conclusion

• Greenland plays a key role in future climate
  change
• Understanding the hydrology will give us a better
  understanding of how Greenland may react
• Modelling can provide insights into this