space in the Arctic Ocean and next steps towards its comprehensive monitoring. European Polar Science Week 2020. Virtual Internagtional Conference. 30 Oct 2020 2019 Bracher A. (2019) The Ocean as Seen by [...] 2023 Bracher A: (2023) Hijacking other thematic satellite sensors for ocean colour application" Keynote at 2023 International Ocean Colour Science Meeting, St. Petersburg, FL, USA, 15 November 2023 . Xi [...] (2015) Hyperspectral ocean color imagery and applications to studies of phytoplankton ecology. In Breakout session "Hyperspectral science and applications for shelf and open ocean processes" of IOCS 2015

2025 Zeising M. B. (2025) Transparent Exopolymer Particles in the Surface Arctic Ocean by Ocean Biogeochemistry Modeling. Department of Physics and Engineering, University Bremen, Bremen, Germany, Bremen [...] pigments in the changing Arctic Ocean, Ph.D. thesis, University of Bremen, DOI: 10.26092/elib/6052. 2021 Oelker J. (2021) Suitability of atmospheric satellite sensors for ocean applicaitons . PhD Thesis [...] (2024) Marine Big Data-driven Machine Learning Based Monitoring of Phytoplankton Groups in the Arctic Ocean . Department of Physics and Engineering, University Bremen, Bremen, Germany, Bremen, 12 Sep 2024

with the atmosphere and ocean. (Antarctic) Climate change Improved snow process formulations in climate models Investigation of the impact of changing atmospheric and oceanic processes on the evolution [...] S. , and Meyer, H.: Isotopic signatures of snow, sea ice, and surface seawater in the central Arctic Ocean during the MOSAiC expedition, Elementa: Science of the Anthropocene, 12, doi.org/10.1 [...] research will significantly improve our process understanding of Antarctic sea ice in the Southern Ocean climate system – from today’s perspective and for future warming climate scenarios. Background Snow

Long-Term Ecological Research in the deep Arctic Ocean The marine Arctic has been an integral part of the history of our planet over the past 130 million years and contributes significantly to the present [...] state of the atmosphere depend to a significant extent on arctic marine processes. The past decades has seen remarkable changes in the Arctic, of which we do not know whether these represent temporary [...] and biotic parameters in a transition zone between the northern North Atlantic and the central Arctic Ocean, the Alfred Wegener Institute established the LTER (Long-Term Ecological Research) observatory

this region, ocean currents from lower latitudes impact the sea water temperature, and the ocean is a heat storage affecting the local climate. Although Ny-Ålesund is situated in the high Arctic (78.9°N, 11 [...] Long Term Observations Surface Meteorology in the Arctic (AWIPEV Research Base in Ny-Ålesund, Spitsbergen) Ny-Ålesund from above. (Photo: Alfred Wegener Institut) Ny-Ålesund is located on a fjord at the [...] risen by 1.2° C per decade, while the strongest warming is observed during the winter season. The 'Arctic Amplification' of global warming is analysed under various aspects by measurements and model simulations

Developing a Novel Methodology to investigate Diatom Silicification in the Eurasian Basin of the Arctic Ocean using Imaging Flow Cytometry and PDMPO natasha.bryan @ awi.de ORCiD Alfred Wegener Institut Am [...] E-1015 Overview of Doctoral project Phytoplankton communities living inside and below sea ice in the Arctic and the Antarctic arefacing rapid changes due to ongoing climate change. Light and nutrient availability [...] polar phytoplankton composite images obtained with the multispectral Imaging Flow Cytometer? How do Arctic phytoplankton communities differ from Antarctic communities in terms of their species composition

on, aggregation, ecological function and distribution of organic compounds in the changing polar ocean. We aim to understand the function of marine organic compounds, both, as diagnostic markers to decode [...] 2026 In the “FjordChange” project, we are investigating the influence of Atlanticification on the Arctic ecosystem around Spitsbergen. To this end, we are studying four fjords with varying degrees of A [...] of marine life Subtopic 6.3 The future biological carbon pump Subtopic 6.4 Use and misuse of the ocean: Consequences for marine ecosystems Publications of the Section Biological carbon pump Influence of

feedbacks between ocean structure and dynamics, sea ice physics, biogeochemistry, and biodiversity of the Arctic Ocean. Organic compounds in the Arctic Ocean and the deep Atlantic Ocean are derived from [...] elucidate, if the amount of dissolved organic compounds in the Arctic Ocean changed over the last decades. We also aim at quantifying the contribution of terrestrial organic matter because it represents [...] the effect of global warming on the occurrence of toxic microalgae and phycotoxins in the Arctic. The Arctic region is heavily impacted by global warming, which has an influence on the growth of planktonic

questions of my research. My particular interest focuses on species interactions in temperate and Arctic regions and on the effects alien marine organisms on native coastal ecosystems. Mathias Wegner Parasites [...] on transgenerational plasticity (parental environment effects on offspring traits) in response to ocean warming. So far, I can say that maternal effects play an important role in populations’ adaptive responses

production. In addition, ocean warming is leading to changes in the winter mixed layer in the North Atlantic, which has reduced the amount of silica entering the Arctic Ocean in recent decades. This will [...] the consequences of silica decline for the Arctic marine ecosystem and the mechanisms responsible. To understand how climate change affects the Arctic Ocean, we will combine novel and classical approaches [...] Group Silicic acid Decline Effect on Marine Arctic Ecosystems SideEFFECT (Graphic: Mar Fernández-Méndez) Human-induced climate change is altering the ocean on a previously unimaginable scale. One of the