v2.7

• Added boundary checks for reading compressed meteo data.
• Added control parameters for cmultiscale compression.
• Added compression rate to cmultiscale log messages.
• Added check of pressure profiles.
• Added option to calculate kinematic trajectories using model level meteo data.
• Added interpolation functions for meteo data on model levels.
• Update write_csi() for the particle filter.
• Merged module_advect() and module_advect_diabatic().
• Revised initialization functions.
• Added code for MPI broadcasting of meteo data.
• Added RWC and SWC as separate meteo data variables.
• Modified checks of VERT_COORD_AP and VERT_COORD_MET.
• Added Makefile target lib to create dynamic or static library of MPTRAC.
• Renamed libtrac.c/h to mptrac.c/h.
• Replaced call to gsl_finite() by isfinite().
• Removed calls of GSL macros.
• Fixed displaying of equations in doxygen.
• Added example on creating ParaView output to projects.
• Added function module_press_init to factorize the code.
• Moved all modules, static variables and macros from trac.c to libtrac.c.
• Added script to retrieve ERA5 data.
• Modified code to read meteo data on model levels.
• Added script to retrieve NCEP-NCAR Reanalysis 1 data.
• Added script to download GFS forecasts.
• Added script to retrieve GFS forecasts.
• Added script to retrieve MERRA-2 data.
• Started integrating cmultiscale.
• Modified ZFP compression settings.
• Added clang compiler to Makefile.
• Added project directory for benchmarking.
• Added selection based on potential temperature to atm_select.
• Modified GPU offloading of mixing module.
• Added GPU compilation for gcc.
• Added COMPILER flag to Makefile.
• Revised mixing code.
• Check fix of CURAND compilation flag.
• Update tropopause climatology file format.
• Added new tool tropo_clim to calculate tropopause climatology.
• Added CLaMS photolysis data.
• Added new function read_met_polar_winds() to fix winds at the poles.
• Revised timers. Added flag for GPU memory pinning.
• Added level definitions for ml2pl operator.
• Added const qualifiers.
• Add new tool atm2grid.c.
• Minor change on module_mixing and kpp_chem.
• Update TUV photolysis data of o2,o3,h2o2.
• Use a finer pressure grid in photolysis data.
• Modified pragmas for module_mixing_help().
• Refined grid levels at the bottom for predefined levels.
• Update user manual.
• Add dt_kpp as time step size for KPP chemistry.
• Added checks of meteo data layout for packed netCDF files.
• Implemented different meteo data layouts for 2-D variables.
• Added control parameter RNG_TYPE to select random number generator.
• Added counter-based random number generator.
• Code cleaning.
• Modified control parameters for reading netCDF meteo files.
• Build zlib with -fPIC flag.
• Added timer for read_met_monotonoize().
• Update build.sh.
• Add python plot scripts.
• Update documentation.
• Update GPU test case.
• Revised interpolation method in convection module.
• Added total column ozone to output of met tools.
• Fixed compilation error on JUWELS Cluster.
• Add standard deviation output to write_grid.

v2.6

• Update CITATION.cff file.
• Simplified the example for the Puyehue case.
• Removed OpenMP quicksort algorithm.
• Update documentation.
• Update test cases.
• Bugfix: Correcting CLaMS filenames.
• Integrated photolysis rates in climatological data struct.
• Modify the dimension of sza to unit rad.
• Switch the photolysis rate to Roeth's scheme.
• Added tuv photolysis data.
• Added check of surface pressure to read_met_ozone().
• Added total column ozone to interpolation functions.
• Added function to calculate total column ozone.
• Removed uvw cache for diabatic calculations. It needs further considerations.
• Added a test to spot changes in the diabatic calculations.
• Added parameter to read meteo data in different conventions.
• Added interoper_test, the part for testing IO of atmospheric data.
• Added the diabatic transport scheme.
• Added option to select pre-defined pressure level sets.
• Optimized calculation of solar zenith angle.
• Optimized tracer chemistry code.
• Fixed compilation warning for ZFP code.
• Obsolete output omitted for make check
• Bugfix zfp code.
• Added const qualifiers.
• Update README.md
• Renamed variables of climatological data.
• Update unit strings for volume mixing ratios.
• Fix for NVIDIA C compiler.
• Added control parameters for ZFP compression.
• Update grid output to include quantity mean values.
• Add compilation of KPP in build.sh
• Added macro for particle loop.
• Changed group assignment of sorting timer.
• Fix in module_chemgrid.
• Check conflict of THRUST and STATIC flags in Makefile.
• Update library build script.
• Added an overview image showing the MPTRAC modules.
• Added CLaMS radical species files with concentrations converted to vmr.
• Removed redundant mixing of O3 in module_mixing().
• Revised code for tracer concentrations and fixes of GPU code.
• Fix for KPP code.
• Added new function clim_ts() and clim_zm() to interpolate climatological data.
• Update references.
• Read HNO3 climatology from file.
• Update GOZCARDS data files.
• Added module_h2o2_chem() and module_chemgrid() to trac_test.
• Added language/locales setting to run scripts.
• Renamed chem_test into kpp_test.
• Added module_mixing to trac_test.
• Added check of KPP flag in trac.
• Merged module_h2o2_chemgrid() and module_kpp_chemgrid() into module_chemgrid().
• Revised atm_init to initialize for age of air calculation.
• Revised control parameter defaults for boundary condition module.
• Fixed boundary conditions for CCl4 and SF6.
• Removed CFC-13 from tracer chemistry.
• Added code to calculate age of air.
• Revised reaction rates of chemical tracers.
• Added trends for CFCs and N2O boundary conditions.
• Added climatological time series of CFCs, N2O, and SF6.
• Revised preprocessor directives for KPP.
• Fix OpenACC pragma for sza_calc().
• Added control switch TRACER_CHEM for first-order tracer chemistry.
• Changed default values for mixing module.
• Added module for inter-parcel mixing.
• Add o3 climatology from CAMS reanalysis.
• Removed setting of GPU vector length.
• Changed ordering of calls to boundary condition module in trac.
• Added VTK output to trac_test.
• Added new quantities for H2O2, HO2, and O(1D) number concentrations.
• Added HO2 and O(1D) to output of met tools.
• Revised clim_oh() function to use clim_var().
• Removed clim_h2o2() function.
• Implemented a separate function for VTK output.
• Modified GPU vector length of advection kernel.
• Added dry deposition to trac_test.
• Revised code for reading species defaults.
• Added vtk output for particle data.
• Fix for OH diurnal correction.
• Added const qualifier to locate functions.
• Revised function call for clim_var().
• Update OH climatology code.

v2.5

• update README.md
• update doxygen and mkdocs documentation
• fix doxygen and mkdocs actions
• new module for KPP chemistry
• new test case for KPP chemistry
• fix for reading/writing binary data
• update ERA-Interim netCDF data files.
• fixed code for reading SST.
• added cloud cover, land-sea mask, and sea surface temperature to meteo data
• added code to read relative humidity as meteo input
• implemented "sp" and "SP" as additional netCDF variable names for surface pressure.
• update netCDF calls
• added function to read time from filename
• added a function to read kernel data file
• added a function to extract weighting factors from kernel function
• added kernel function to CSI output, grid output, and sample output
• update example
• revised sorting code and thrustsort wrapper
• added a logo
• revised dry deposition module
• use (WMO, 2018) to calculate T_ice
• added option to terminate trajectories at boundaries of local meteo data sets
• added surface pressure and height to tropo tools
• added a function to calculate buoyancy frequency
• added checks to chemgrid module.
• added a tool to add CAPE data to CLaMS netCDF files
• updates of module_h2o2_chem()
• updates of module_chemgrid
• revised netCDF grid output
• added new criteria for boundary conditions
• update GPU test data.
• changed convection module default parameter settings

v2.4

• Update doxygen manual.
• Bugfix of layer packing code.
• Update of H2O2 chemistry.
• Fix library build script.
• Added OpenMP parallelization to write_grid().
• Revised wet deposition module.
• Revised ensemble output. Added a test case.
• Added CSI output to trac_test.
• Revised write_csi() function.
• Added GPU test case.
• Added new function to read observation data.
• Revised profile output including test case.
• Update CITATION.cff
• Update codecov.yml, doxygen.yml and tests.yml.
• Revised sample output. Extended trac_test.
• Fix of mass loss calculation.
• Added netCDF output for grid data.
• Added mkdocs manual for RTD.
• Added tests for compression of meteo data.
• Added macros to access 2-D and 3-D arrays.
• Added netCDF I/O for air parcel data.
• Revised tropopause climatology code.
• Revised HNO3 climatology code.
• Revised advection code.
• Added Makefile flag for UVW cache.
• Fixed meteo filename extensions.
• Convective mixing based on density.
• Added option to redefine physical constants.
• Bug fix for backward trajectories.
• Added vertical velocity to wind tool.
• Added timer statistics.
• Added tests of tropopause code.
• Added control parameter MET_NC_SCALE to check scaling factor and offset of meteo files.
• Added quantities to track mass loss.
• Added control parameter MET_CLOUD_MIN to specify minimum CLWC and CIWC.
• Added macros for netCDF.
• Revised I/O functions for atmospheric data.
• Added tool to calculate zonal men tropopause statistics.
• Update wet deposition module.
• Added H2O2 chemistry module.
• Added new quantity IDX for air parcel index.
• Added Thrust library for sorting.
• Added netcdf4 reading and writing functions similar to CLaMS.
• Updates of wet deposition module.
• Added new quantity RHO for density of air.
• Renamed quantities RP and RHOP for particle radius and density.
• Add asyncIO (to be tested).
• Revised sorting code.
• Added GOZCARDS climatology data files.
• Moved example to project directory.

v2.3

• Added new function read_clim() to read climatological data files.
• Added linear trends to boundary condition module.
• Renamed group timers.
• Update GPU code.
• Read CLaMS data, save as netcdf files
• Tentative interpolations in zeta coordinates and functions for diabatic simulations.
• Added H2O as a species.
• Added module for sorting of particles.
• Added zstd compression.
• Added zfp compression.
• Revised code for mesoscale diffusion.
• Added cache for wind data.
• Added checks for binary data.
• Added code to read/write binary meteo data.
• Added tools test.
• Update Makefile. Renamed lapse and subgrid tools.
• Added tests for atm tools.
• Added option for multiple test cases.
• Update bug_report.md
• Update feature_request.md
• Added test for code coverage.
• Added citation file.
• Added cppcheck. Fixed minor issues.
• Add Codacy badge
• Minor fixes (SoftWipe analysis).
• Added 4th-order Runge-Kutta method for advection.
• Added control parameter REFLECT for reflection of particles at top and bottom boundary.
• Added check of CONV_CAPE and COVE_CIN to met tools.
• Added output of the number of data points in met tools.
• Changed calculations of mean values in met tools.
• Added CIN threshold to convection module.
• Added code to calculate convective inhibition (CIN).
• Added control parameter CONV_WMAX to limit vertical velocities.
• Update mesoscale diffusion.
• Added option to initialize with cosine bell in atm_init.
• Added tool for synthetic wind fields.
• Changed code to calculate standard deviations.
• Modified OpenMP scheduling for read_met_help().
• Take into account fill values and missing values in meteo netCDF files.
• Modified code to read packed netCDF meteo files.
• Added control parameter MET_CACHE for preloading meteo data into disk cache.
• Use disk cache for meteo data.
• Revised example to include convection, wet deposition, and boundary conditions.
• Update to HDF5 v1.12.1 and netCDF v4.8.1.
• Added module for timesteps.
• Modified spatial interpolation methods.
• Replaced pgcc by nvc.
• Added group timers.
• Added log message for read_atm() and write_atm().
• Added output of git version number.
• Modified time filter for atmospheric data output.
• Modified get_met() function to ignore DIRECTION flag.
• Added tool "tnat" to calculate PSC temperatures. Fix for negative H2O vmr.

v2.2

• Update met tools (additional output variables).
• Bugfix for latitudes in met_zm output.
• Changed DT_MET to 3600s to match ERA5 data. GPU managed memory switched off by default.
• Added code to estimate cloud bottom pressure.
• Added function to calculate weighting factor from tropopause distance.
• Fixed calculation of lifetime in wet deposition module.
• Fixed GPU code.
• Revised OpenMP collapse clauses.
• Added new quantity definitions.
• Revised 2-D interpolation scheme to consider NaNs.
• Added default coefficients for OH reactions.
• Added output of particle Reynolds number to sedi tool.
• Added tools to calculate sedimentation velocity and grid-scale wind variances.
• Added wet deposition coefficients for various species.
• Revised check for observation time in write_csi, write_prof, and write_sample.
• Added longitude range to met_zm tool.
• Revised profile output.
• Added time range for station output.
• Update to GSL v2.7.

v2.1

• Revised OH chemistry code.
• Revised profile output.
• Added outlier filter for atm_dist.
• Added macro for log messages.
• Revised doxygen documentation.
• Added check for time information in meteo data files.
• Fixed linear interpolation in tropopause code.
• Added control parameters for tropopause calculation.
• Faster time interpolation of meteo data.
• Use different rng seeds for different MPI tasks.
• Added function to estimate pressure of the planetary boundary layer.
• Added quantity for (explicit) volume mixing ratios.
• Added a module to apply boundary conditions.
• Bugfix dry deposition module.
• Added zeta hybrid vertical coordinate as a quantity.
• Added linear interpolation to lapse rate tool.
• Added time interval for convection module.
• Faster index calculation in write_grid().
• Bugfix for surface variables.
• Revised write_output function in trac.c.
• Added IO tuning parameters to the control parameters: chunkszhint, readmode
• Revised equation to calculate molecular density of air.
• New code to read RWC and SWC.
• Update doxygen documentation.
• Revised interpolation methods in clim_hno3 and clim_oh.
• Added a tool to calculate lapse rate statistics.
• Fixed quantity names.
• Revised example (maps of meteo data). Revised timers.
• Added dew point and frost point temperature to output of met tools.
• Allow for "nan" in observation data.
• Added generic sampling function.
• Added a detrending method for temperature and winds.
• Revised interpolation scheme in tropo_sample.
• Revised grid output.
• Additional verification statistics in CSI output.
• Added delta-Z filter in tropo_sample.
• Added option to extract meteo maps on isentropic levels.
• Revised 3-D interpolation scheme for tropopause data.
• Fixed problem with building HDF5 and netCDF-4 on JURECA.
• Added surface variables (T2m, U10m, V10m) to meteo data.
• Revised consistency check of meteo grids.
• Revised code to read meteo data. Removed MET_STAGE option.
• Added new control parameter METBASE.
• Added macro to calculate geopotential height differences.
• Added macro to calculate lapse rate between pressure levels.
• Added interpolation macros. Added tropopause T, z, and q to trac output.
• Added function to calculate T_NAT.
• Made identification of quantity names case-independent.
• Revised wet deposition scheme.
• Added module to simulate convection.
• Added code to calculate convective available potential energy (CAPE).
• Bugfix OpenMP parallelization of grid output.
• Revised code for humidity calculations.
• Improved calculation of geopotential heights near the surface.
• Modified horizontal smoothing method for geopotential heights.
• Added function to calculate frost point temperature.
• Added code to calculate dew point temperature and lapse rate.
• Added module to calculate dry deposition.
• Changed default time step DT_MOD to 180s.

v2.0

• Revised GPU code.
• Minor fix to allow for compilation on JURECA-DC and JUWELS.
• Update to gsl-2.6 and netcdf-c-4.7.4.
• Added HDF5 and zlib libraries to enable netCDF-4.
• Modified read_met for ERA5 netcdf files created by new cdo version.
• Added NVTX markers.
• Minor changes in Makefile.
• Publication of releases on zenodo.

v1.9

• Added module to calculate wet deposition.
• Added option to read surface geopotential for NCEP reanalysis.
• Revised output of cloud parameters.
• Bugfix geopot function.
• Added new function to read surface data.
• Added cloud liquid water content and ice water content to meteo data.
• Added simple scheme for SO2 chemistry.
• Added OH climatology.
• Revised interpolation schemes for meteo data.
• Added code to calculate relative humidity.
• Revised code for multi-GPU runs.
• Replaced extract tool by atm_select.
• Modified netCDF output of tropo tool.
• Fixed spline interpolation in tropopause code.
• Modified interpolation functions to deal with missing values.

v1.8

• Added new tool to sample tropopause data.
• Added tropopause water vapor to meteo tools.
• Added stride for particle output.
• Added water vapor to tropo tool.
• Revised and added test for decay module.
• Added GPU code.
• Revised example.
• Added fix for polar latitudes to PV code.
• Added OpenMP parallelization to tropopause code.
• Added tool to create tropopause climatology.
• Modified calculation of lapse rate.
• Faster calculation of geopotential heights and tropopause.
• Use virtual temperature to calculate geopotential heights.
• Revised smoothing filter in met_geopot.
• Added initial check of particle position.
• Added vertical interpolation to met_prof and met_zm.
• Added split based on kernel function to atm_split.
• Removed tools smago and wind.
• Added more flexible scheme for meteo filenames.
• Changed parameters of some tools.
• Added spatial interpolation to met_map.
• Added number of particles to grid output.
• Removed calculation of tracer conservation errors from atm_dist tool.
• Added filters to atm_stat tool.
• Removed ensemble filter from atm_dist tool.
• Update air parcel statistics tool.
• Renamed some of the tools for consistency.
• Added check that meteo grids are consistent.
• Added periodic boundary conditions in met_sample.
• Update PV code.
• Update GSL and netCDF libraries.
• New control parameter MET_DT_OUT.
• New tool "invert" to estimate volcanic emissions.
• Added day2doy and doy2day utilities.
• Added code to calculate dynamical tropopause.
• Revised time step control.
• Modifications of grid and profile output.
• Revised downsampling code.
• Enabled separate calculation of horizontal and vertical diffusion.