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This is an example 2D (x-z) configuration for a glacier fjord using icefornt pkg.

This example simulates a glacier fjord of 500 m deep and 6.4 km long along the fjord. 
A tidewater glacier is terminated at the edge of the fjord, with its vertical calving face 
in contact with sea water. A 5-m high channel exists at the bottom of the glacier, where 
freshwater at freezing point flows to the ocean at the speed of 0.5 m/s. The channel is 
created using shelfice pkg, and water T/S/V in the channel is prescribed using obcs pkg.
Melt rate at the vertical ice face is calculated using icefront pkg.

More details of this experiment are described in the paper: 
(Xu et al., Numerical experiments on subaqueous melting of Greenland tidewater 
 glaciers in response to ocean warming and enhanced subglacial discharge. 
 Annals of Glaciology, 2012. http://ecco2.org/manuscripts/2012/Xu2012.pdf)

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# Instructions for running 2D icefront example:

cvs co -P MITgcm_contrib/icefront/2D_example
cvs co -P MITgcm_code
cd MITgcm
mkdir build run
cd build
\rm *
\cp ../../MITgcm_contrib/icefront/2D_example/code/* .
../tools/genmake2
make depend
make -j 8
cd ../run
\rm *
\cp ../../MITgcm_contrib/icefront/2D_example/input/* .
../build/mitgcmuv >& output.txt
emacs output.txt ../../MITgcm_contrib/icefront/2D_example/results/output.txt &