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Introducing the ESM Standard Names Dictionary: A Modernized, Community-Driven Vocabulary for Standard Names in Earth System Modeling

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For the past several years, the Common Community Physics Package (CCPP) has maintained a dictionary of common variable names for its own use, to ensure consistency between the physics parameterizations within the CCPP and the host model in which they are embedded. Over time, additional projects such as the Joint Effort for Data assimilation Integration (JEDI) have recognized the utility of such a centralized repository for variable names, descriptions, types, and other metadata. Similarly to its original use in the CCPP, this ensures that independently developed coupled components in Earth System Modeling — including data assimilation, chemistry, dynamics, physics and beyond — are all using a common language for physical quantities that should be treated as identical. This broadening of the original scope of the CCPP Standard Names dictionary necessitated a rename to the “Earth System Modeling (ESM) Standard Names”, as well as a more encompassing set of rules and procedures for ensuring this effort can be sustained and is satisfactory to users from a wide variety of scientific contexts.

Therefore, in the past year, a broad collaboration has been undertaken among the various groups making use of CCPP, JEDI, and the Earth System Modeling Framework (ESMF) to update, standardize, and broaden this dictionary and the rules for its construction and governance to cover the a broad swath of the Earth System Modeling scientific community. These collaborators include scientists and software engineers from the National Science Foundation’s National Center for Atmospheric Research (NSF-NCAR), the National Oceanic and Atmospheric Administration (NOAA), the US Naval Research Laboratory (NRL), the Joint Center for Satellite Data Assimilation (JCSDA), and others. —. In addition to providing governance for the ESM Standard Names, we have developed tools and procedures for ensuring a system’s components are complying with a common version of the dictionary, tagging and versioning as well as various supported file formats for ease of use, and a procedure for adopting new names.

This presentation will introduce the ESM Standard Names dictionary, overview the efforts described above for developing it as a useful resource in a wide variety of scientific contexts, and give a future vision for its use in the broader Earth Science community.
PeriodJan 27 2026
Event title106th Annual American Meteorological Society Meeting
Event typeConference
Conference number106
LocationHouston, United States, TexasShow on map