MPTRAC - Massive-Parallel Trajectory Calculations#

Contact person

Lars Hoffmann

Description#

Massive-Parallel Trajectory Calculations (MPTRAC) is a La-grangian particle dispersion model for the analysis of atmospheric transport processes in the free troposphere and stratosphere.

  • MPTRAC calculates air parcel trajectories by solving the kinematic equation of motion using given horizontal wind and vertical velocity fields from global reanalyses or forecasts.

  • Mesoscale diffusion and subgrid-scale wind fluctuations are simulated using the Langevin equation to add stochastic perturbations to the trajectories. A new interparcel exchange module represents mixing of air.

  • Additional modules are implemented to simulate convection, sedimentation, exponential decay, gas and aqueous phase chemistry, and wet and dry deposition.

  • Meteorological data pre-processing code provides estimates of the boundary layer, convective available potential energy, geopotential heights, potential vorticity, and tropopause data.

  • Various output methods for particle, grid, ensemble, profile, sample, and station data. Gnuplot and ParaView interfaces for visualization.

  • MPI-OpenMP-OpenACC hybrid parallelization and distinct code optimizations for efficient use from single workstations to HPC and GPU systems.

Model(s)#

MPTRAC v2.6 :GNU GPLv3.0

Programming language(s)#

C
Python

Tags#

#optional #atmosphere #warmworld #langrangian transport #adaptex # troposphere #stratosphere #dispersion #trajectories

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