Contact us

Dr. Renate Treffeisen
Postal address:
Am Handelshafen 12
27570 Bremerhaven
Phone +49 (0) 471 4831-2145
Fax +49 (0) 471 4831-1797


Dear visitor of our website,

Thank you for your interest on is the place to go for questions on the wide subject of sea ice and an initiative of the Alfred-Wegener-Institute, Helmholtz Centre for polar and marine research, in cooperation with the University of Bremen (Institute for environmental physics). The aim of this initiative is to gather all important and up-to-date information on the subject of sea ice and make it publicly available.

In order to continuously develop and improve our offer, we are interested in your opinions and questions. Which questions do you have on sea ice? Are there any remarks or comments on the website? Which products would you like to find in the DataPortal?

Please send your inquiry or your suggestions via Email to the

Thank you