Helmholtz-Zentrum für Umweltforschung GmbH - UFZ
Permoserstr. 15
04318 Leipzig
phone +49 341 235-0

Legal form
The Helmholtz-Zentrum für Umweltforschung GmbH - UFZ is a “Gesellschaft mit beschränkter Haftung“ incorporated under German law, which is similar to a limited liability company. The UFZ is a member of the Hermann von Helmholtz-Gemeinschaft Deutscher Forschungszentren e.V. (Helmholtz Association of German Research Centres).

Registration court: Amtsgericht Leipzig
Register number: HRB 4703
Value added tax identification number: DE 141507065

Prof. Dr. Georg Teutsch, Scientific Director
Dr. Sabine König, Administrative Director

Chairwoman of Supervisory Board
MinDirig´in Oda Keppler

Editorial responsibility
Birgit Müller (address see above)
Department of Ecological Modelling

The rights to the images on the POLISES websites are owned by POLISES, unless otherwise stated. The graphic material may be used free of charge for scientific and research purposes and for editorial purposes, provided that POLISES is named as the source of the images. The images may not be used for other purposes such as commercial purposes.

Data Privacy Statement

Below, we provide information on the handling of your data.

Usage data

We store data on the individual access to our sites for statistical purposes to improve the quality of our websites.
This data record consists of the

  • Site from which the file was requested
  • Name of the file
  • Date and time of the request
  • Volume of data transferred
  • Access status (file transferred, file not found)
  • Description of the type of web browser used
  • IP address of the requesting computer shortened by the last three digits.

This data is stored anonymously in accordance with the German Telemedia Act (TMG). The creation of personal user profiles is therefore precluded.

Transfer of data to third parties

We do not transfer your personal data to third parties.


Cookies are small files that are stored on a visitor’s hard drive. They allow information to be obtained for a specific period of time and for the visitor’s computer to be identified. We use permanent cookies to improve user guidance and illustrate individual performance. Furthermore, we use so-called session cookies that are automatically deleted when you close your browser. You can set up your browser in such a way that you are informed about the placement of cookies. This ensures that the use of cookies then becomes transparent to you.

Your rights as a user

As a user, you have the right to demand information with regard to what data we have stored about you and for which reason it has been stored. Furthermore, you may correct inaccurate data or delete any data that was wrongfully stored or that does not need to be stored any more. Please do not hesitate to contact us if you require further information or have any suggestions or requests concerning data protection.

Piwik web analytics tool

This website uses the Open Source PIWIK software for statistical evaluation of visitor access. This involves the storage of a cookie on your computer that enables website usage to be analysed. The data generated by the cookie is then transmitted and stored on our server. Your IP address is rendered anonymous after this process and before data is stored. The installation of cookies can be prevented by selecting the appropriate settings on your browser. However, you may object to your usage data being recorded by clicking on the tick in the checkbox below to remove it. This stores a so-called opt-out cookie on your computer that prevents your usage data from being recorded.