PARIS 2024 RDP

Research Demonstration Project
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Scientific context:


This project, endorsed by the WMO, brings together meteorological institutes and laboratories from about ten countries around the world.

The scientific objective is to improve atmospheric models at very high resolution (100 m) for the prediction of (1) urban environmental conditions thanks to a database of observations allowing the qualification of urban climate variability at a scale comparable to the fine mesh of the models, (2) local urban concentrations to which the population is exposed (which are higher than the urban background concentrations).

This leads to the following scientific questions: (i) what physical improvements are needed in the models (e.g. are energy balances correctly measured and represented in weather and climate prediction models)? (ii) Are the exchanges between regional and local scales well represented in the models? (iii) is the variability of the urban climate well simulated? (iv) what observation networks are needed in the urban environment, and how can opportunity measurements be exploited? (v) what are the relevant indicators for urban users?

In order to achieve these objectives, experimental measurements will be carried out in the Paris region during the summer of 2022, and beyond. These measurements concern the description of the atmospheric boundary layer profiles in the city and outside (remote sensing and radio soundings), and of the variability of the urban microclimate within a few districts.

Other measurements will be carried out by the UKMO, and some, including a peri-urban flux site, will be integrated into the AERIS site. A European project URBISPHERE will also carry out measurements. The data produced will be hosted in open-data on their servers, but reference could eventually be made to them from the AERIS RDP space.

These measurements will contribute to the PANAME 2022 campaign

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