BMBF Programme Urban Climate Under Change – [UC]²

The programme ‘Urban Climate Under Change – [UC]²’, funded by the German Federal Ministry of Education and Research (BMBF), aims at the development, validation and application of an innovative urban climate model for entire cities.

The new model will be capable to simulate atmospheric processes for cities in size from Stuttgart to Berlin at building-resolving resolution (10 m or finer). Hence, interdisciplinary analyses for assessment can be done and measures for improving urban climate as well as air pollution prevention can be planned.

The programme started on 1 June 2016 with a duration of three years and a budget of 13 million euro. Four joint research projects with overall 30 subprojects work on three modules: model development (module A), observational data (module B) and practicability (module C).

The BMBF funds the programme as ‘Research for Sustainable Development’ (FONA); BMBF funding codes: MOSAIK (Module A) 01LP1601; 3DO (Module B) 01LP1602; KliMoPrax (Module C) 01LP1603; UseUClim (Module C) 01LP1604. The German Aerospace Center (DLR) Project Management Agency is providing the programme.

‘Urban Climate Under Change’ rises to challenge impacts of present and future climatic conditions and air pollution by providing a scientifically-based and practicable instrument for large cities and metropolitan areas.

Simulation Model
PALM simulation for Macau representing ventilation (red = poor, blue = good). Wind arrows depict mean horizontal air flow on street level. PALM stands for Parallelized Large-Eddy Simulation Model for Atmospheric and Oceanic Flows. This model will be the basis for the new urban climate model.
© Leibniz Universität Hannover, Institute of Meteorology und Climatology; Maronga and Gronemeier 2016.

Urban Large-Eddy Simulation of turbulent flow in the city of Macau, video:
PALM simulation

last update: Aug. 22, 2019

Knowledge Base

KB [UC]²

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Third intense measurement campaigns in Berlin, Hamburg and Stuttgart from January till February. Check out the last campaigns here.

Dec 2017: Release of the new urban climate model PALM-4U (beta)! Congrats to the developer! For further information visit


Annual Meeting 2018 June 21-22 in Cologne