Meteorological Forcing Trends and Hindcasts for Climate Research

The content discusses the available meteorological forcing trends analyzed by Bertrand Bessagnet and Augustin Colette from Institut National de L'Environnement Industriel et des Risques. It explores the rationale behind using ECMWF/IFS for recent campaign analyses and the need to find a consistent 1990-2010 meteorological driver. It also delves into EURO-CORDEX hindcasts driven by ERA-Interim and the optimized version provided by Robert Vautard and Annemiek Stegehuis. The domains ED25n and Cordex22s are compared in terms of points and coverage. The information is crucial for assessing regional climate models and understanding climate variability.

• Meteorological
• Trends
• Climate Research
• EURO-CORDEX
• Hindcasts

brownfield_e Follow

Uploaded on Sep 11, 2024 | 0 Views

Download Presentation

Please find below an Image/Link to download the presentation.

The content on the website is provided AS IS for your information and personal use only. It may not be sold, licensed, or shared on other websites without obtaining consent from the author. Download presentation by click this link. If you encounter any issues during the download, it is possible that the publisher has removed the file from their server.

Presentation Transcript

1. TFMM Trends Available Meteorological Forcing Bertrand Bessagnet, Augustin Colette Institut National de L Environnement Industriel et des Risques

2. Rationale ECMWF/IFS was used for recent Campaign analyses Need to find a consistent 1990-2010 meteorological driver => Hindcasts of CORDEX Regional Climate Downscaling

3. EURO-CORDEX Hindcast with perfect boundary conditions to assess regional climate models Driven by ERA-Interim, no nudging Thoroughly documented in Kotlarski et al., GMD 2014 Cover 1989-2008, often extended to 2012 Ensemble: 9 models at 0.11 deg 8 additional models at 0.44 deg.

4. Optimised version Provided by Robert Vautard & Annemiek Stegehuis (LSCE/IPSL) Optimised configuration, nudged Volume 139G/yr 52G for chimere variables: sigma of half-sigma level, sigma of full-sigma level, Surface pressure, Base-state pressure, Perturbation pressure, SW radiation down, LW radiation down, 2m-mixing ratio, Longitudes of cross points, Latitudes of cross points, Accumulated convective precipitation, Accumulated large scale precipitation, x-wind at 10m, y-wind at 10m, Surface sensible heat fluxSurface latent heat flux, Frictional velocity, 2m air temperature, Soil Moisture level 1, PBL height from WRF, WRF x-wind WRF y-wind, Potential temperature, Cloud liquid water mixing ratio, Rain water mixing ratio, Specific humidity, Water equiv. accum. snow depth, Perturbation geopotential, Geopotential

5. Domains ED25n ED25n 45,000 points, about 25km Does not fit in Cordex domain Cordex22s 32,500 points about 25km Cordex22s