Following a Memorandum of Understanding (MoU) with the World Climate Research Programme (WCRP) of the World Meteorological Organization (WMO), the website is hosted and maintained by the

APARC International Project Office
c/o Forschungszentrum Jülich GmbH
Institut für Energie- und Klimaforschung (IEK-7)
52428 Jülich

Editorial staff

Dr. Rolf Müller, APARC Office Director
Dr. Ines Tritscher, APARC Scientific Officer
Dr. Lars Hoffmann, APARC Scientific Officer
Dr. Olaf Stein, APARC Scientific Officer

Legal notice

Responsible in the sense of § 18, Abs. 2, Medienstaatsvertrag (MStV):
Dr. Rolf Müller

Forschungszentrum Jülich GmbH
Institut für Energie- und Klimaforschung (IEK-7)
52428 Jülich

Tel: +49 2461 61-0
Fax: +49 2461 61-8100

Entered in the Commercial Register of the District Court of Düren, Germany: No. HR B 3498
Value Added Tax ID No. in accordance with § 27 a of the German VAT Law (Umsatzsteuergesetz): DE 122624631
Tax No.: 213/5700/0033

Board of Directors:
Prof. Dr. Astrid Lambrecht (Chair of the Board of Directors)
Karsten Beneke (Vice-Chairman)
Dr. Ir. Pieter Jansens

Supervisory Board:
Ministerialdirektor Stefan Müller


Copyright and all other rights concerning this website are held by the Atmospheric Processes And their Role in Climate (APARC) core project of the World Climate Research Programme (WCRP). Use of the information contained on the website, including excerpts, is permitted for educational, scientific or private purposes, provided the source is quoted (unless otherwise expressly stated on the respective website). Use for commercial purposes is not permitted unless explicit permission has been granted by the APARC International Project Office.


This website has been compiled with due diligence. However, neither Forschungszentrum Jülich nor the APARC core project of the WCRP guarantees or accepts any liability for the topicality, completeness or correctness of the information provided.

Links to External Websites

This website may contain links to external third-party websites. These links to third party sites do not imply approval of their contents. Responsibility for the content of these websites lies solely with the respective provider or operator of the site. Illegal contents were not recognizable at the time of setting the link. We do not accept any liability for the continual accessibility or up-todateness, completeness or correctness of the contents of such websites. If we become aware of any infringements of the law, we will remove such links immediately.

Data protection

Every time a user accesses this website and every time a file is requested, data connected to these processes are stored in a log. These data do not contain personal information; we are unable to trace which user accessed what information. Personal user profiles therefore cannot be created. The data that is saved will be used for statistical purposes only. This information will not be disclosed to third parties.