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The provider of this internet presence is the Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences.

Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences
14473 Potsdam
Tel.: +49 331 288 0

Legal form
The GFZ German Research Centre for Geosciences is a Public Law Foundation. The GFZ is member of the Helmholtz-Gemeinschaft Deutscher Forschungszentren e.V. (Helmholtz Association of German Research Centres)

Authorized representatives
Prof. Dr. Dr. h.c. Reinhard Hüttl (Chairman of the Board and Scientific Executive Director) and 
Dr. Stefan Schwartze (Administrative Executive Director)

Turnover tax ID
Turnover tax identification number according to § 27a UstG: DE138407750

Technical Realization and support
GFZ IT Services and Operations

Editorial Staff
Editor, conception, coordination (
Felix Blümle
Tel.: +49 331 288-28837

1. Content of the on-line material provided.
The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences does not guarantee for the topicality, accuracy, completeness or quality of the provided material. Claims to liability against the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences related to damages either material or non-material, through the use or non-use of the provided information or due to the use of incorrect or incomplete material are explicitly ruled out in so far that there is no evidence of intentional or gross negligence on the part of the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences. All material provided is non-binding and without obligation. The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences distinctly retains the right to modify, delete or publish parts of or the entire material provided at intervals or for good without prior notice.

2. Referral and Linking
In the case of direct or indirect referral to external pages ("links") which lie outside the field of responsibility of the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences (, the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences can only be made liable if it were aware of the illegal content of the respective page and if it were technically feasible and reasonable to prohibit viewing of the pages.
The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences explicitly declares that at the time of linking no illegal content was visible on the linked pages. The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences has no influence on the up-dated and future design and content of the linked pages. Therefore, the Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences explicitly dissociates itself from any modified or altered content of the linked pages. This is valid for all links and referrals made to in the provided material as well as for external input to the guest book, discussion boards and mailing lists established by the GFZ . For illegal, faulty or incomplete contents and especially for damages through the use or non-use of the available information the provider of the page referred to is alone liable and not the supplier providing the link.

3. Copyright and Trademarks
The Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences endeavours to observe the copyright of the used graphics, recordings, video sequences and texts in all of its publications. The proprietary rights for published copyrighted material remains in the possession of the copyright holder (Helmholtz Centre Potsdam GFZ German Research Centre for Geosciences or a third party). A reproduction or use of these graphics, recordings, video sequences or texts in further electronic or printed publications is not permitted without the explicit consent of the copyright holder even if not labelled as a copyright protected document. All labels and trademarks, including those possibly copyrighted by a third party mentioned within the provided material are subject without exception to the conditions of the respectively valid trademarks and ownership rights of the respective registered owner. It cannot be concluded on the basis of the mere naming that trademarks are not protected by a third party.

4. Privacy policy
If the opportunity for the input of personal or business data (email addresses, name, addresses) is given, the input of these data takes place voluntarily. The use and payment of all offered services are permitted - if and so far technically possible and reasonable - without specification of any personal data or under specification of anonymized data or an alias. The use of published postal addresses, telephone or fax numbers and email addresses for marketing purposes is prohibited, offenders sending unwanted spam messages will be punished.

5. Legal Binding of this exclusion of liability
The exclusion of liability is to be regarded as a part of the material provided from which reference to this page was made. In so far that parts or single phrases of this text do not or do not completely or no-longer correspond to the current legal position the remaining parts of the documents remain unaffected in their content and validity.

This exclusion of liability is based on the free-of-charge service of


According to the law on Alternative Dispute Resolution in Consumer Contracts (VSBG), a trader who maintains a website or uses general terms and conditions is obliged to notify consumers of the extent to which he is willing or obliged to participate in dispute settlement proceedings before a consumer’s dispute resolution body. The European Commission provides a platform for online dispute resolution (OS) under the external link The platform serves as a point of contact for the out-of-court settlement of disputes with regard to contractual obligations arising from online purchase contracts. The GFZ is not obligated to participate in a dispute resolution procedure before a dispute resolution body and, furthermore, does not offer participation.


Privacy statement

The GFZ takes the protection of your personal data very seriously. It commits to protecting the privacy of all persons using its website, and treating any submitted personal data as confidential. The data is used solely for the stated purpose, and is not forwarded to third parties.

Usage data
In order to improve the quality of our website, we store data on individual page hits for statistical purposes. This data consists of:

  • the file name,
  • the date and time of page retrieval,
  • the data volume sent,
  • the access status (file sent, file not found),
  • the description of the web browser used,
  • the IP address of the requesting computer, in an anonymised form
  • the referrer data (information on the reason for page retrieval, e.g. the search engines and search terms used, the websites of origin, campaigns, and direct page hits.)

Contact form
We only collect personal data through our contact form if this is necessary for your desired purpose (contact). We use your personal data to answer your request. Our contact form requires that you enter your name and email address. You can advise us additional details, e.g. your telephone number, but this is not mandatory.

Our website uses Piwik, a web analysis service. Piwik uses “cookies”, which enable website usage to be analysed. For this purpose, the usage information generated by the cookie (including your abbreviated IP address) is sent to our server, and saved for usage analysis. Your IP address is anonymised here, i.e. you remain anonymous as the user. The information generated by the cookie regarding your use of this website is not forwarded to third parties. You can disable cookies by adjusting your browser software settings accordingly, although this may make it impossible to fully utilise all of this website’s functions. If you do not wish for your usage data to be stored and used, you can reject this at any time with the click of a mouse. In this case, a so-called opt-out cookie will be stored in your browser. Piwik does not collect any data in doing so. Deleting your cookies will also delete the opt-out cookie, which will then have to be re-enabled if necessary.

Furthermore, Piwik is configured in such a way that your visits are not tracked if you have set “I do not wish to be tracked” (Do-not-Track enabled) in your browser.

Piwik Tracking Opt-Out

Cookies are small files stored on a visitor’s hard drive. They allow information to be provided for a certain time frame, and the visitor’s computer to be identified. We use so-called session cookies, which are automatically deleted when you close your browser. You can adjust your browser settings in such a way that you are informed whenever cookies are stored, making cookie usage transparent for you.

Your rights as a user
As a user, you are entitled to ask for information regarding your stored personal data and the purpose for this storage. You can also have incorrect data amended, or arrange for the deletion of data whose storage is prohibited or which is no longer required. We welcome privacy-related information, requests or suggestions.

Data protection officer
For questions or comments relating to privacy, please contact the GFZ's data protection officer. E-Mail:

Marko Blau 
Tel.: +49 (0)331 288-1052