11. Abbreviations and acronyms

Abbreviation	Meaning
AD	Automatic Differentiation
ASCII	American Standard Code for Information Interchange
BMB	Basal Mass Balance
CE	Common Era (same as Anno Domini)
CMIP6	Coupled Model Intercomparison Project Phase 6
COLD	Cold-ice method (for ice thermodynamics)
CTS	Cold-temperate Transition Surface
EISMINT	European Ice-Sheet Modelling Initiative
ELRA	Elastic-Lithosphere–Relaxing-Asthenosphere (model)
ENTC	Conventional Enthalpy method (for ice thermodynamics)
ENTM	Melting-CTS Enthalpy method (for ice thermodynamics)
ESM	Earth System Model
GCM	General Circulation Model / Global Climate Model
GHF	Geothermal Heat Flux
HDF	Hierarchical Data Format
InitMIP	Initialization Model Intercomparison Project (part of ISMIP6)
ISMIP6	Ice Sheet Modelling Intercomparison Project for CMIP6
ISMIP HEINO	Ice Sheet Modelling Intercomparison Project: Heinrich Event Intercomparison
ISOT	Isothermal method (for ice thermodynamics)
Lis	Library of Iterative Solvers for Linear Systems
LLRA	Local-Lithosphere–Relaxing-Asthenosphere (model)
LTI	Linear Temperature Index (method)
MAIC	Mars Atmosphere-Ice Coupler
NetCDF	Network Common Data Form
PDD	Positive Degree Day (method)
POLY	Polythermal method (for ice thermodynamics)
SIA	Shallow-Ice Approximation
SICOPOLIS	SImulation COde for POLythermal Ice Sheets
SLE	Sea-Level Equivalent
SMB	Surface Mass Balance
SSA	Shallow-Shelf Approximation
SStA	Shelfy-Stream Approximation