Hi, I’m Jan, a Postdoc at the Geoscience Institute of Spain and the Complutense University of Madrid. Besides preparing the revolution in my basement, I study the stability of the Antarctic Ice Sheet and its past and future evolution. My research is funded by ClimTip and Past to Future, which are both European initiatives that investigate the tipping elements of the Earth system.

I’m interested in climate physics and modelling, with a focus on the cryosphere and its interactions with the solid Earth. With the help of my collaborators, I am developping the following Earth System model component:

• FastIsostasy.jl: a regional GIA model that can represent laterally-variable solid-Earth structures in a computationally efficient way. This also includes optimized implementations of other regional GIA models that are commonly used in ice-sheet modelling.
• FastIsostasy.f90: a fortran version of FastIsostasy.jl.
• Pagos.jl: a versatile and performant ice-sheet model (work in progress!).
• Tartaros.jl: a versatile and performant thermal conduction model of the lithosphere (work in progress!).
• Laddie.jl: a Julia version of LADDIE (work in progress!), an ice-shelf cavity circulation model that was originally written in Python/Fortran.

Furthermore, I am participating in two model intercomparison projects:

• GRDMIP, which aims to compare the GIA response of various models over the last glacial cycle.
• ISMIP7, which aims to compare the contributions of Antarctica and Greenland to future sea-level rise of various models over the next coming centuries.

Some years ago, I also co-ddeveloped TransitionsInTimeseries, which allows you to forecast/diagnose transitions in a dynamical system (of dimension and co-dimension 1 of course, we don't want to get too crazy).

How to reach me: janswier@ucm.es. Homepage: https://janjereczek.github.io/