Metrics to evaluate the transport processes in global tracer transport models

As part of the EU project Carbon Atmospheric Tracer Research to Improve Numerics and Evaluation (CATRINE), we are organizing an in-person workshop at Wageningen University on 2–3 July 2025 to explore the role of atmospheric transport processes in shaping greenhouse gas distributions across multiple scales.

The workshop will focus on three core themes:

  1. Vertical transport processes, with an emphasis on quantifying exchanges and gradients between the atmospheric boundary layer and the free troposphere, including cloud-mediated transport and interactions with the lower stratosphere.
  2. Greenhouse gas transport budgets, examining their calculation at local, regional, and global scales, and addressing the influence of large point-emitting sources.
  3. Large-scale horizontal gradients, evaluated over extended temporal integration periods to understand persistent transport-driven patterns.

A central element of the workshop will be the use of Testbeds, integrating a range of modelling strategies—from explicitly resolving turbulence and clouds to parameterizing these processes—combined with diverse observational datasets. These efforts will be supported by ensemble-based analyses to evaluate the sensitivity of transport representations.

The primary modelling tools will include global-scale systems (e.g., IFS, ICON-ART), underpinned by observations across multiple scales and high-resolution large-eddy simulations.

The workshop aims to deliver:

  • A well-defined protocol of metrics to evaluate transport parameterizations;
  • An analysis of transport representations using budget diagnostics under a wide range of conditions.
  • A quantitative assessment of related uncertainties and systematic errors.

For information on registration, please use the "contact us" button at the bottom of the webpage and state that you wish to attend the workshop.

Although in-person attendance is preferred, a dial in option may be available.

Registration will be moderated.

 

02 - 03 July 2025, All day
Wageningen University, Wageningen, NL