is ice flux and b is mass balance. For (small) changes
in glacier geometry with respect to a datum (often steady) state, perturbations in ice thickness,
flux and mass balance will satisfy
¶(Dh)
¶t
+
¶(Dq)
¶x
=
Db or
¶(Dh)
¶t
+~ (D~q) =
Db : (2)
Changes in mass balance are the driving factor of glacier changes in climate change simu-
lations. If the datum glacier is initially comparatively close
/media/ces/ces-glacier-scaling-memo2009-01.pdf