Documentation for PISM, the Parallel Ice Sheet Model

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applications:201305 [2013/05/08 17:59] (current)
Ed Bueler created by copy and edit from future_applications:201305
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 +====== May 2013 ======
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 +[[http://​www.gfy.ku.dk/​~fitzner/​2012-06_IGS.pdf|{{ :​applications:​fitzner2012poster.png?​250|}}]]
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 +Click the image to get the PDF (1 MB).
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 +| **Modelling the outlet glaciers terminating in Godthab fjord** ||
 +| **investigators**:​ | [[http://​www.gfy.ku.dk/​~fitzner/​|Antje Fitzner]] and Dorthe Dahl-Jensen,​ Centre for Ice and Climate, Copenhagen|
 +| **conference**:​ | [[http://​glaciers.gi.alaska.edu/​events/​igs2012|IGS 2012 Fairbanks]] |
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 +[[http://​www.youtube.com/​watch?​feature=player_embedded&​v=hbmzSFbMyXU|see the youtube video]]
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 +Can regional ice dynamics modeling help to understand the mass loss of the Greenland ice sheet through surface melting and flow into outlet glaciers (calving and basal melting), and estimate the fresh water flux into a fjord? ​ This study considers an example, the outlet glaciers terminating in Godthab fjord, including glacier Kangiata Nunaata Sermia. ​ surface mass balance and 2 m air temperature from RACMO and HIRHAM RCM output were
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 +compared. ​ The new PISM "​regional"​ mode, the ''​pismo''​ executable in ''​stable0.5'',​ was applied. ​ The model captures the high velocities near the terminus qualitatively,​ but even at high 2 km model resolution the distinct fast flowing arms are not well modelled, and the modelled velocities and fluxes are overall lower than than observed. ​ The question remains: Are there are deep troughs in the bed topography where the surface velocity is very high?
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applications/201305.txt ยท Last modified: 2013/05/08 17:59 by Ed Bueler
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