eruptions, bush fires or industries. Also fine sand dust, blown by winds from deserts or sea salt staying in the air after sea spray gets evaporated manifest as aerosols. In addition even bacterias or pollen grains [...] mostly very clear around the Arctic, winds can transport particles from middle latitudes towards north. This can lead to haze situations most common in spring. Forest fires in Canada caused such an arctic

are also involved in basic research and data provision on marine conservation issues, including North Sea research, Antarctic research (CCAMLR), the Helmholtz Institute for Functional Marine Biodiversity [...] on the basis of integrated communication processes, and convert them into targeted products. The North Sea Office, the Climate Office or the Arctic Office play an important role in this. In return, research [...] Oslo-Paris Convention for the Protection of the Marine Environment of the North-East Atlantic 4 HE LCOM - Helsinki Commission Baltic Sea Action Plan 5 SCAR - Scientific Committee on Antarctic Research

Helgoland and Sylt, AWI conducts climate and marine research, especially in the polar regions and the North Sea. If you would like to support this important work, we cordially invite you to become a member of [...] future Support for AWI climate and environmental research The melting of ice, global warming and rising sea levels are examples of the significant changes in the global environment and the earth's climate that

Weddell Sea, has served as the base of operations for German Antarctic research. Further links Library in the Ice Antarctic Blog Position of the station Position data: Ekström Ice Shelf, Atka Bay, north-east [...] proven its value, both scientifically and logistically. The sea ice is only minutes away by Skidoo, while icebreakers can drop anchor at the sea-ice edge, virtually on the station’s doorstep. In a region [...] north-east Weddell Sea Coordinates: 70°40'S, 008°16'W The namesake Georg von Neumayer was a geophysicist and hydrographer who dedicated his life to the pursuit of science and the exploration of the Antarctic.

aims are to: Determine submarine permafrost thawing rates on the Bykovsky Peninsula (north Siberia) and Alaska North Slope using a combination of geophysical, sampling, and remote sensing methods Determine [...] permafrost landscape 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 [...] permafrost thaw processes. Different study sites, such as the Lena Delta in Siberia or the Alaska North Slope, among others, serve as the key study sites for my research. Contact: Ingmar Nitze Keywords:

more plastic particles in the sea than previously assumed. According to the study, there are 27 million tons of tiny plastic particles in the upper water layer of the North Atlantic alone. Plastics can [...] from the Beginning: Dr. Melanie Bergmann Melanie Bergmann has been a researcher in the AWI's Deep-Sea Ecology and Technology Working Group since 2004. She has taken part in over 20 expeditions on international [...] at the AWI-HAUSGARTEN Observatory to investigate the effects of global warming on the Arctic deep sea. Since 2012, she has been focusing on plastic pollution in the oceans. She has published the reference

is usually done visually by marine mammal observers. However, night-time, reduced visibility (rough seas, fog, rain, etc.) or observer fatigue and distraction all limit the reliability of visual monitoring [...] commercial, cooled 360° thermal imaging sensor. After more than 10 years of research ashore and at sea, we captured thousands of whale cues (mostly blows and bodily displays) on video and analysed the data [...] environmental conditions (fog being the major impediment). Based on this comprehensive operational at-sea experience, we reframed our Tashtego software and are now in the final stages of finishing the most

is the case in many other time series around the world. This facilitates a unique insight in the North Sea ecosystem but also means a lot of work on the ships as well as in our laboratories, where the different

Kühn B., Hélaouë P. (2021) Using dynamic ocean color provinces to elucidate mechanisms driving North Sea oceanography and ecology. Journal of Geophysical Research Oceans. DOI: 10.1029/2021JC017686 2020 [...] Moreau S. (2017) Latitudinal distribution of particulate carbon export across the North Western Atlantic Ocean. Deep Sea Research I 129:116-130. doi.org/10.1016/j.dsr.2017.08.016 Ramírez-Pérez M [...] austral summer 2012. Deep-Sea Research II 138: 6-25; doi: 10.1016/j.dsr2.2016.05.018 Zäncker B, Bracher A. , Röttgers R., Engel A.: Variations of the organic matter composition in the sea surface microlayer:

conditions, in which liquid water droplets in the clouds protect the sea-ice surface from further cooling; on the other, clear skies, where the sea-ice surface can emit heat into space with very little interference [...] experiencing some of the most rapid climatic changes on Earth, manifesting in dramatic warming and loss of sea-ice at both poles. Key atmospheric contributions to the observed polar warming are transport and exchange [...] Observatory for the Study of Arctic Climate (MOSAiC) was a major year-long campaign in the Central Arctic Sea ice, using the research icebreaker Polarstern . MOSAiC was a large international effort spearheaded