from the Arctic reservoir. Long-term observations in the Arctic Ocean by a multitude of observational platforms allow estimates of annual mean liquid freshwater content in the upper Arctic basins (Figure [...] Central Arctic long-term observations [Translate to English:] Anomalies of annual mean liquid freshwater content in the upper Arctic Ocean basin from salinity profile observations since 1992. Liquid freshwater [...] linear trend is 600+-300 The central Arctic is an important component of the global climate system, not only by atmospheric teleconnections but also by links in ocean circulation to lower latitudes. There

Anniversary
40 years of research in the Arctic, Antarctic and in coastal regions: on 15 July, the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) celebrates its 40 th [...] and internationally recognised centre for climate research in the two polar regions and the world’s oceans.

institutions in 3 European countries studied processes of the energy transfer between the ocean and the atmosphere in the Arctic. The project was conducted from 1998 to 2000 with a major field campaign involving [...] addressed the effects of clouds and of Arctic Haze on the radiative fluxes at the surface and in the atmospheric column for various states of the surface in the European Arctic. Major emphasis was put on convective [...] over the ice-free ocean and on stratiform clouds at low levels and their radiational exchange with sea ice. The effects of clouds on the radiative fluxes for various states of the ocean surface were studied

Observed ocean-ice/snow-atmosphere processes: improved knowledge and existing model shortcomings WP1 will produce integrated knowledge of how sea ice and its snow cover are coupled to oceanic and atmospheric [...] deliver improved understanding of the physical, chemical, and biogeochemical interactions within the Ocean-Ice-Atmosphere (OIA) system, new knowledge of polar and global climate, and enhanced ability of society [...] components and regions (e.g. polar low-latitude interactions/teleconnections) that occur through the ocean and atmosphere. Finally, we use existing and updated model projections to complete a comprehensive

North Sea North off Helgoland ( Helgoland-UWO - 54° 11.700'N / 7° 52.600'E – Fig. 1) and in the Arctic Ocean in Spitzbergen ( Svalbard-UWO - 78° 55.200 / 11° 54.00 – (WGS84) - Fig. 2). The systems were developed

Coastal permafrost erosion, organic carbon and nutrient release to the arctic nearshore zone (COPER) Permafrost Erosion Arctic permafrost coasts, which account for 34% of the coasts of the Earth, are extremely [...] provided by the permafrost matrix and are instantly washed away by incoming waves. With warming in the Arctic expected to be roughly twice as high as the global mean, sea ice extent is expected to decline d [...] and changes to the nearshore food-web through the release of sediment and organic matter to the ocean. A comprehensive understanding of the processes at work at the local level is nonetheless still lacking

is to characterize the key processes that determine the observed sea ice, ocean, and ecosystem changes in the Central Arctic Ocean during meltseason. The process studies and continuous observations of CONTRASTS [...] (Graphic: Alfred-Wegener-Institut) Regime 1: Future Arctic (Photo: Marcel Nicolaus) Regime 2: Present Arctic (Photo: Marcel Nicolaus) Regime 3: Past Arctic (Photo: Marcel Nicolaus) Objectives The overall objective [...] is to characterize the key processes that determine the observed sea ice, ocean, and ecosystem changes in the Central Arctic Ocean during melt season. We will investigate the causes and consequences of

European coastline. The project belongs to the EU Mission Restore our Ocean and Waters, and is a member of the Lighthouse for the Arctic and Atlantic Basin. Innovative solutions for marine restoration will [...] will be demonstrated in five different environments across a latitudinal gradient, from the high-Arctic Svalbard at 79°N to the Madeira archipelago at 33°N. CLIMAREST will be developed on a latitudinal gradient

to the Arctic coastal-marine environment. CACOON Background Arctic rivers annually carry around 13% of all dissolved organic carbon transported globally from land to ocean, despite the Arctic Ocean making [...] Changing Arctic Carbon cycle in the cOastal Ocean Near-shore - CACOON No other region has warmed as much or as rapidly in the past decades as the Arctic. A new project, CACOON , investigates how the ecosystems [...] 1% of the Earth’s ocean volume. Arctic shelf waters are therefore dominated by terrestrial carbon pools, so that shelf ecosystems are intimately linked to freshwater supplies. Arctic ecosystems also contain

the Weddell Sea Arctic Council Shipping in the Arctic Arctic and Antarctic – more differences than similarities? Arctic Governance Tourismus in Polar Regions EU Engagement in the Arctic Environmental Protection [...] Climate change in the Arctic Climate change and the Southern Ocean Climate change and the North Sea Climate change and the ocean Permafrost Information on Governance Svalbard Germany in Arctic research The c [...] Protection in the Polar Regions Knowledge on fish and their ecology in the Arctic Ocean Brochures AWI image brochure Brochure FRAM FOCUS on: Climate Research Brochure Coastal Research Brochure Climate Research