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CHANGELOG.md

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Changelog

This file documents all notable changes to the HEMCO-CESM interface since late 2022.

[2.0.1] - TBD

Added

  • Added fleximod capability to .gitmodules

Changed

  • Added new default configuration file for HEMCO which reads/regrids 3D emissions hourly
  • Updated debug printout and message for where to find error messages

Fixed

  • Fixed HEMCO clock to be time at start of timestep rather than end
  • Fixed formatting for Ap/Bp printout
  • Fixed condition for first timestep to ensure HEMCO is not run at timestep 0

[2.0.0] - 2024-07-31

Added

  • Added git submodule capability with HEMCO as the only submodule.

Changed

  • Update README
  • Run HEMCO starting in first step
  • Updates to debug printout
  • Based off upstream HEMCO 3.9.0. Updated HEMCO submodule from version 3.8.1 to 3.9.0. Refer to HEMCO release notes.
  • First timestep now runs HEMCO as there is no longer issue with timestep measurement from prior versions.

Removed

  • Removed support for manage_externals.
  • Removed obsolete timestep measurement as timestep information is already obtained from time_manager reliably.
  • Removed support for manage_externals.
  • Removed obsolete timestep measurement as timestep information is already obtained from time_manager reliably.

[1.3.0] - 2024-04-29

Added

  • Performance timers using CIME infrastructure for initialization and run of major HEMCO_CESM and HEMCO components.

Changed

  • Based off upstream HEMCO 3.8.1. Refer to the HEMCO release notes.

[1.2.2] - 2024-03-01

Changed

  • Based off upstream HEMCO 3.8.0. Release 3.7.x was skipped due to regression in vertical regridding capabilities. Refer to the HEMCO release notes for changes in 3.8.0 release.

[1.2.1] - 2023-09-15

Fixed

  • Based off upstream HEMCO 3.6.3-cesm - release for CESM to fix nvhpc compiler compatibility issues.

[1.2.0] - 2023-06-15

Added

  • Support the hemco_data_root property to override $ROOT in HEMCO configuration file in the CESM environment.
  • Support the hemco_diagn_file property to override DiagnFile in HEMCO configuration file in the CESM environment.

Changed

  • Code now uses explicit only includes for hemco_interface.F90.
  • Improved error handling for HCO_Init call to point user to correct error messages.
  • Improved debug outputs throughout.

[1.1.6] - 2023-06-08

Fixed

  • Bit-for-bit match in identical runs now ensured through smm_pipelinedep fixed to 16, similarly to ionosphere/waccmx/edyn_esmf.F90, instead of automatic tuning.

[1.1.5] - 2023-06-01

Changed

  • Based off upstream HEMCO 3.6.2-cesm - out of band release for CESM NAG compiler compatibility.
  • Fixes for NAG compiler.

[1.1.4] - 2023-04-12

Changed

  • HEMCO-CESM now runs only on CAM phase 2 and clears pbuf at that phase. Phase 1 is now unused. Interface remains unchanged and is backwards compatible.

[1.1.3] - 2023-03-20

Fixed

  • Fixed wrong definition of ExtState%TSKIN. Now correctly uses SST from cam_in%sst.

[1.1.2] - 2023-03-08

Added

  • Support the hemco_emission_year namelist option to force emission cycling year (equivalent to HEMCO_Config.rc's Emission year: option) from CESM compsets

Changed

  • Slightly adjusted and reduced debug prints

[1.1.1] - 2023-03-02

Added

  • Based off upstream HEMCO 3.6.2
  • CAM-chem only: Initialization of HCO_IN_JNO2 and HCO_IN_JOH fields is now done in initialization and state conversion module.

[1.1.0] - 2023-02-09

Added

  • Based off upstream HEMCO 3.6.0
  • State conversion module now supports FRLAND and stubs for FRLANDIC and FRLAKE
  • Now allocates 2-D physics buffer for species not in mo_sim_dat::extfrc_lst

Fixed

  • Fixed stack corruption in HCOI_Allocate_All

Removed

  • Removed support for LWI from upstream

[1.0.2] - 2023-01-11

Fixed

  • Return ESMF_SUCCESS for dummy ESMF gridded component routines

[1.0.1] - 2022-11-09

Fixed

  • Initialize namelist variables before reading namelist.

[1.0.0] (HEMCO 3.5.1) - 2022-11-03

Added

  • Based off upstream HEMCO 3.5.1

[1.0.0] (HEMCO 3.5.0) - 2022-10-31

Added

  • Based off upstream HEMCO 3.5.0
  • Support for spectral-element (including regional-refinement, SE-RR) grids
  • Support the hemco_grid_xdim and hemco_grid_ydim namelist options to configure resolution of internal HEMCO grid

Fixed

  • Updates for CESM 2.2 data structures (begchunk and endchunk moved to ppgrid)

Removed

  • SourceMods no longer present in this version and are now part of CAM merge