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This page presents an AI-generated summary of a published research paper. The original authors did not write or review this article. [See full disclosure ↓]

CMOR adds CMIP7 examples and fixes time-axis write bugs

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Research area:environment-climateclimate-models-variability

What the study found

The article reports that CMOR 3.15.3 adds updated CMIP7 examples and fixes several bugs in variable writing. It also notes changes to Python version support.

Why the authors say this matters

The authors suggest the updates help users work with current CMIP7 tables, real source metadata, and corrected examples. They also indicate that the bug fixes address incorrect output involving time values and formula terms.

What the researchers tested

The article describes updates to CMIP7 C, Python, Fortran, and notebook examples, along with changes to shared helper functions, a README, and a run script. It also mentions fixes for writing variables with time1 axes and formula terms, and an update to the CMIP7 tables submodule used by tests and examples.

What worked and what didn't

The updated C examples now cover regular grids, pressure levels, scalar height coordinates, basin axes, hybrid sigma levels, curvilinear grids, and fixed fields. The bug fixes address duplicate or spurious time values when the time axis has no bounds, and a related issue when mixing whole-variable and chunked writes for a variable and its formula terms. The article also states that Python 3.10 support was dropped from nightly and wheel-build support, while Python 3.11 through 3.14 are supported.

What to keep in mind

This summary only reflects the information given in the title and abstract-like release notes. No broader evaluation, performance comparison, or user study is described in the available text.

Key points

  • CMOR 3.15.3 adds CMIP7 example code for several grid and coordinate types.
  • The Python, Fortran, and notebook examples now use current CMIP7 tables and real source metadata.
  • Bug fixes address duplicate or spurious time values when time axes lack bounds.
  • A related fix covers mixed whole-variable and chunked writes for formula terms.
  • Python 3.10 support was removed from nightly and wheel-build support; Python 3.11 to 3.14 are supported.

Disclosure

Research title:
CMOR adds CMIP7 examples and fixes time-axis write bugs
Authors:
Mauzey, Chris, Charles Doutriaux, D. Nadeau, Karl E. Taylor, Paul J. Durack, Betts, Edward, Cofino, Antonio S., Florek, Piotr, Hogan, Emma, Rodriguez Gonzalez, Jose M., Kettleborough, James, Nicholls, Zebedee, Ogochi, Koji, Seddon, Jon, Wachsmann, Fabian, Weigel, Tobias
Institutions:
Agencia Estatal de Meteorología, Climate Resource (Australia), Culture Resource, German Climate Computing Centre, German Climate Computing Centre, Intersil (United States), Intersil (United States), Intersil (United States), Intersil (United States), Intersil (United States), Japan Agency for Marine-Earth Science and Technology, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Lawrence Livermore National Laboratory, Met Office, Met Office, Met Office, Met Office, Universidad de Cantabria
Publication date:
2026-08-14
DOI:
10.5281/zenodo.592733
OpenAlex record:
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AI provenance: This post was generated by gpt-5.4-mini (OpenAI). The original authors did not write or review this post.

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