Business Travel Health at the Workplace Sustainable Ship Operation AWI Sustainability Guideline Alfred Wegener Logistics Schedules Proposals Advisory Board Neumayer Advisory board members polar aircraft

Hollands / AWI, 2014) (Photo: Alfred Wegener Institut) Polar Meteorology Earth Observing Systems Remote sensing of the Cryosphere (© ESA / USGS / NASA / NSIDC) (Photo: Alfred Wegener Institut) Remote sensing [...] (© ESA / Envisat, 2006) (Photo: Alfred Wegener Institut) Drift and deformation of sea ice Polynias Terra Nova Bay Polynia (© NSIDC / Modis, 2013) (Photo: Alfred Wegener Institut) Observation of coastal [...] Landsat-8, 2012) (Photo: Alfred Wegener Institut) Mass loss of the antarctic ice shield Snow Accumulation Inland ice in Antarctica (© ESA / Envisat, 2008) (Photo: Alfred Wegener Institut) Retrieval of snow

Hollands / AWI, 2014) (Photo: Alfred Wegener Institut) Polar Meteorology Earth Observing Systems Remote sensing of the Cryosphere (© ESA / USGS / NASA / NSIDC) (Photo: Alfred Wegener Institut) Remote sensing [...] delta (© NASA / Landsat , 2000) (Photo: Alfred Wegener Institut) Charting the Arctic Tundra Polynias Terra Nova Bay Polynia (© NSIDC / Modis, 2013) (Photo: Alfred Wegener Institut) Observation of coastal polynias [...] Landsat-8, 2012) (Photo: Alfred Wegener Institut) Mass loss of the antarctic ice shield Snow Accumulation Inland ice in Antarctica (© ESA / Envisat, 2008) (Photo: Alfred Wegener Institut) Retrieval of snow

Model Simulations What are sea ice models used for? Example of a sea ice model (Graphic: Alfred Wegener Institut) The Arctic areas - ocean even more than land - are difficult to reach, for several winter

analyses of images from Mann et al. (2004) . Screenshot SHERPA (Photo: Alfred-Wegener-Institut) Segmented diatom valve (Photo: Alfred-Wegener-Institut)

stable water isotope values of ice cores from Northern Greenland (Graphic: Stefanie Weißbach, Alfred-Wegener-Institut) Human activities have serious impacts on the global environmental system and will,

informtion can be found on the REKLIM website . Circumpolar Map of Northerm Hemisphere (Graphic: Alfred Wegener Institut) Project collaborators Lars Max Ralf Tiedemann Figure 1: Overview map of high-latitude

region and West Antarctic margin (modified from Kipf et al., Gondwana Research, 2014). (Photo: Alfred-Wegener-Institut) Geodynamic and tectonic processes played a dominant role in forming the present topographic

dynamics and Earth System feedbacks Permafrost coring in the Fish Creek Delta, North Alaska (Photo: Alfred Wegener Institut) Arctic permafrost landscapes change rapidly under the influence of natural and ant [...] permafrost carbon pools and their vulnerability to mobilization Alaskan Yedoma cliff (Photo: Alfred Wegener Institut) Arctic landscapes underlain by permafrost are threatened by climate warming and may [...] Degradation of ice-rich permafrost by thermal erosion thermoerosional valley Kurungnakh (Photo: Alfred-Wegener-Institut) Thermo-erosional valleys are widely distributed in ice-rich permafrost deposits of

Remote Sensing Map of Arctic sea ice thickness (April 2015) obtained from CryoSat-2 data (Graphic: Alfred Wegener Institut) Contact: Dr. Stefan Hendricks The inaccessibility and sheer size of sea ice covered [...] based on measuring the height of ice floes above the sea surface with radar altimeters (Graphic: Alfred Wegener Institut)