Horvath At the North Pole 08. September 2023 We have reached the North Pole and the joy on board is enormous! Many are here for the first time, at the northern pivot of the earth. With our deep-sea camera, we [...] Esther Horvath Sea angel 06. September 2023 The enigmatic sea angel, Clione limacina, was caught in the net attached to the ROV (Remotely Operated Vehicle) at 10 meters depth underneath the sea ice. With the [...] fauna that lives directly underneath sea-ice and deeper depths. This sea angel lives in the watercolumn up to 500 meters and as a protandric hermaphrodite, the sea angels start out as males and can later

international team of researchers is investigating the coupling between sea ice, the ocean and its life, including within the deep sea. So far, the Arcwatch-1 expedition, launched on August 3, 2023, has delivered

and oceans - from the atmosphere to the bottom of the seas. At the Helgoland and Sylt sites, scientists from the Institute research the North Sea and its coasts. The excellent scientific infrastructure [...] tradition of research into the sea and the coast here. Since 1892, scientists from the Biological Institute Helgoland have gained many important insights into the North Sea and its coasts on the island. [...] research and show what it means when the sea changes right on our doorstep. In doing so, we'll also share our unique treasure trove of data showing how the North Sea has warmed over the past decades." - Prof

transports contaminants, stemming from industry, agriculture, and water treatment plants, to Germany’s North Sea coast. Their concentrations vary due to inlets found along the course of the river, but also due [...] microplastic particles, nutrients and climate gases found in the river change on their way to the North Sea.

humans, whose diversity and ecology they can fundamentally change. For example, the German North Sea and Baltic Sea coasts are now characterized by non-indigenous marine organisms. Their occurrence and rate [...] marine areas. In cooperation with the Schleswig-Holstein State Office for the Environment, the AWI North Sea Office has compiled an overview of all known introduced species in German marine areas: “Neobiota

n 10.08.2023Seite 8 Fraunhofer IFAM‘s infrastructure on the island of Helgoland, German Bight, North Sea © Fraunhofer ©dapd - Informationsklassifizierung - Testing of biofouling control coatings 10.08 [...] at different water depths © Fraunhofer Floating raft in south harbour: constant water depth at the sea surface (~ 0.2-1 m) Lander in MarGate test field: tidal influence, water depth 5-10 m Planned: lander

Antarctic Sea Ice Edge on Subseasonal Time Scales (2019, GRL) Sea Ice Targeted Geoengineering Can Delay Arctic Sea Ice Decline but not Global Warming (2019, Earth's Future) Bright Prospects for Arctic Sea Ice [...] Improving sea ice thickness estimates by assimilating CryoSat‐2 and SMOS sea ice thickness data simultaneously (2018, QJRMS) Predictability of the Arctic sea ice edge (2016, GRL) Posters The Sea Ice Drift [...] the evolution of sea ice are very limited. Our goal and our approach Example of an ensemble forecast for the Arctic sea-ice edge The overarching goal of our research is to advance sea-ice prediction capacity

and physics of sea ice as well as the effects of sea ice retreat on the entire ocean system from the surface to the deep sea. Eleven years ago, Antje Boetius was part of the largest ever sea ice minumum in [...] set off from Tromsø, Norway, towards the North Pole. For two months, a good fifty scientific expedition participants will explore the Arctic in transition as sea ice extent reaches its annual minimum in [...] in the Arctic and its consequences for life in the deep sea. Now she is returning with her team to compare the state of the Arctic today - also with the data from the MOSAiC expedition 2019/20.

(Helmholtz Project, PIs: Yaqing Duan, Sebastian Primpke and Gunnar Gerdts) Microplastics in the North Sea (in-house project; PIs: Claudia Lorenz (DBU stipend), Sebastian Primpke and Gunnar Gerdts) Fram [...] hadal zones in the long-term fate of marine microplastics: Identification of microplastics in the deep sea of the Kuril-Kamchatka Trench, Northwest Pacific (PIs: Angelika Brandt (Senckenberg Gesellschaft für

summer blooms with outbreaks typically seen in climates warmer than those experienced in, e.g., the North Sea. This may partly explain why Vibrio monitoring efforts in the German Bight are altogether lacking [...] traffic, pollution & eutrophication from various sources, and recently, the set-up of wind farms at sea. With our focus on microbes these two aspects, climate change and anthropogenic pressure are under