Скачать или смотреть GCMeval - an interactive tool for global climate model ensemble evaluation and selection

Heavy MET Talk: Oskar Landgren presents the interactive online tool GCMeval.

This is a video of the presentation that was supposed to be held at EGU 2020, but which due to the coronavirus has been changed to an online-only meeting.

Abstract:
With the increasing number of global climate models available, regional modellers have to make choices to select a manageable subset for downscaling. This limits the representation of both present day climate and future climate change compared to the full GCM ensemble.
We present the interactive web-based tool called “GCMeval”, available at https://gcmeval.met.no. This tool lets you assign weights to different regions, seasons, climate variables, and skill scores and presents a ranking with model performance for a historical period. We demonstrate how the tool can be used to, for example, remove models with the largest historical biases for the selected criteria, or to optimise the spread. The weighting can be used to illustrate the sensitivity of the results to model choice.
Based on the choice of regions and weights, the tool produces scatter plots of projected future temperature and precipitation and shows how the selected sub-ensemble compares to the full ensemble. The tool can also be used to evaluate ensemble selections "post-hoc", as demonstrated with examples from CORDEX.

The tool is available on https://gcmeval.met.no
Source code on Github: http://github.com/metno/gcmeval
Peer-reviewed article in Climate Services:
Parding, K. M., Dobler, A., McSweeney, C. F., Landgren, O. A., Benestad, R., Erlandsen, H. B., ... & El Zohbi, J. (2020). GCMeval–An interactive tool for evaluation and selection of climate model ensembles. Climate Services, 18, 100167.
https://doi.org/10.1016/j.cliser.2020... (open access)

This video is posted as a part of a series of "Heavy MET talks" in which researchers at the Norwegian Meteorological Institute present their work.