COSIPY v1.4

Major runtime optimisation release:

• Optimisation of runtime by implementing numba
• Added SLSQP and Newton optimisation for finding surface temperature
• New ground heat flux calculation (does not depend on layer heights any more)
• Layer ice fraction added to the restart file
• Snow properties timestamp since last snowfall now to obtain correct albedo values after restart (before it was relative to selected start point) t
• Added minimum_snowfall to constants (minimum snowfall per timestep) and separate it from minimum_snow_layer_height (which is used within the adaptive regridding)
• Initial top temperature of snowpack depends on air temperature of first-time step now (before it was a constant)
• Change names of initial density constants
• Better constrained initial density and temperature profiles
• Heat equation has been vectorized (runtime optimisation)
• README and requirements.txt updated
• yaml log has been deleted

COSIPY v1.3.1 - update of version 1.3

• fixes wrf2cosipy utility
• fixes aws2cosipy utility
• bug fix rain heat flux
• fixes subsurface modules
• output SNOWFALL variable now in m w.e. (before is was m)

COSIPY v1.3 – An open-source coupled snowpack and ice surface energy and mass balance model

New Major released - version used for our revised GMD paper (https://www.geosci-model-dev-discuss.net/gmd-2020-21/#discussion):

• new densification parameterisations (now available: Boone, Vionnet, emprical, constant)
• bugfix radiation model (Wohlfahrt et al, 2016)
• bugfixes utility 'wrf2cosipy'
• new plot profile utility
• improved utility 'create static file' (Error in case of NaNs, differet method to calculate aspect (solves problem with NaNs with high spatial resolutions for aspect)
• improved utility 'aws2cosipy' (Error in case of NaNs, G outside glacier now NaN instead of zero)
• improved evaluation, non WRF grids should work now

Coupled snowpack and ice surface energy and mass balance model in Python v1.2

Commit to release 1.2

Coupled snowpack and ice surface energy and mass balance model in Python - Version 1.1

COSIPY solves the energy balance at the surface and is coupled to an adaptive vertical multilayer snow and ice module.