EXC 2075: A data-integrated simulation approach for the cooling effect of leaves during urban heat waves

Research project within the Cluster of Excellence EXC 2075 “Data-Integrated Simulation Science” funded by the German Research Fondation (DFG) - Project number 390740016


The project focuses on the modelling of evapotranspiration processes, i. e. the transport of water, gas and energy in the direct environment of a plant leaf. In a first step, the leaf is described in a static manner. In the second step, leaf motion in the wind field as well as the influence of radiation are taken into account The highly-resolved simulation results together with measured data from partners (Ulm, Zuerich) yield a data-rich system. This system can then be used as a learning basis to improve the parameterization of an REV-scale model  with the help of machine learning. This methodological concept could later be extended to the cooling effect of human skin during heat waves.

Project leader

Prof. Dr.-Ing. Rainer Helmig


Dr.-Ing. Sina Ackermann


10/2021 - 12/2023



This image shows Rainer Helmig

Rainer Helmig

Prof. Dr.-Ing. Dr.-Ing. h.c.


This image shows Sina Ackermann

Sina Ackermann


Academic Staff

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