samples. Our focus study areas are Arctic terrestrial systems (Russia, Alaska, Canada) and coastal–marine polar ecosystems (North Pacific & Atlantic, Southern Oceans). We apply metabarcoding (target-specific

youtube.com/channel/UCxseMj2r9jMDq-LjKzUOIVg/featured Arctic Ocean MSM93 expedition contribution to newsletter of German Science Foundation Transregio Arctic Amplification: www.ac3-tr.de/download/ne [...] kugel-klimaforschung-mit-markus-rex/tausendstel-millimeter-gross-aber-echte-giganten/85718382 Arctic Ocean MSM93 expedition highlighted in the German newspaper “Süddeutsche Zeitung” 6 Nov 2020: https :// [...] Symposium 2022 in Bonn within the German radio programme Deutschlandfunk about her presentation on "Novel ocean color information from Sentinel-5P’s high spectral resolution" in the broadcast "Forschung aktuell"

DFG PHYSYN , DFG TR 172 Arctic Amplification (AC 3 ) project C03 "Feedback of ocean colour and atmospheric composition to AC 3 ", ESA S5POC ) GEOMAR-Helmholtz Center for Ocean Research (Geomar), Kiel,

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 [...] (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 [...] Splinter Session 10 “Phytoplankton Community Structure from Ocean Colour: Methods, Validation, Intercomparisons and Applications”, International Ocean Color Science (IOCS) Meeting, Darmstadt, 8 May 2013 Bracher

depth in the Southern Ocean. In Proceedings of Ocean Optics XXI, Glasgow, United Kingdom, Oct 2012. Taylor B. B. , Taylor M. H., Dinter T., Bracher A. (2012) Intercomparison of ocean color products identifying [...] Oziel L., Karakus O., Sidorenko D., Völker C., Ye Y., Zeising M., Hauck J. (2023) Ocean biogeochemistry in the coupled ocean-sea ice-biogeochemistry model FESOM2.1-REcoM3. Geoscientific Model Development: [...] monitoring of surface phytoplankton functional types in the Atlantic Ocean. Report: 7th edition of the Copernicus Marine Service Ocean State Report (OSR 7). State of the Planet Discussions 1, preprint,

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

enough, some of these are made public. The use in research applications is usually free. Examples: Ocean Data View, a programme to visualise large geo-referenced data files UltraMassExplorer, a browser-based [...] Quicklinks Technology transfer - From research to business Technology Transfer Office Spin-offs Ocean Data View Inventions, innovative technologies and services originate, e.g. from the following R&D [...] Alfred-Wegener-Institute is one of the few institutions worldwide that conduct research both in the Arctic and Antarctic. The expertise of AWI with research in polar regions and the operation of the required

specially adapted biotic community. Ice-covered seascape in the Arctic Ocean (Photo: Esther Horvath) The deep sea in the polar regions In the Arctic, living at the bottom of the sea poses unique challenges for [...] standards. For another, food is harder to come by. The central Arctic Ocean is largely covered with ice and – unlike the Antarctic’s Southern Ocean – surrounded by landmasses. Exchanges with the Atlantic and [...] than we do about the ocean depths. Yet the deep sea is not a habitat fully separated from the surface; it is already undergoing dramatic changes in response to warmer water, ocean acidification and en

remote sensing (ocean color, altimetry, infrared). But I am currently focusing more on BGC modelling in the framework of the H2020-Project COMFORT and the BMBF nuArctic projects. nuArctic investigates nutrient [...] examined the decadal variability of the carbon cycle in the Indian Ocean region. For the Ph.D. I am doing Ocean Biogeochemical Modeling for Ocean Alkalinity Enhancement in deep and bottom water formation regions [...] studied marine sciences and have worked with global ocean biogeochemistry models as well as observations in the past. I am interested in understanding ocean carbon cycling and its interactions with climate

develops, runs and analyses global ocean biogeochemistry models, with a special interest in the polar regions. A special focus is on feedbacks between climate change and the ocean carbon cycle. The group hosts [...] (see Research ). We contribute to and coordinate the ocean carbon sink estimate in the Global Carbon Budget , particularly the ensemble of Global Ocean Biogeochemistry Models that includes FESOM-REcoM." [...] feedbacks in the carbon cycle and in the marine ecosystem, with a special interest in the Arctic and the Southern Oceans. Surface chloropyll a concentration in an eddy-resolving simulation (1 km horizontal