Masterarbeit_AlfredoJoswaBellidoRosas_FBPhysik_UniBremen.pdf

Figure 3.3: Mean TChla distribution in the Arctic Ocean (mg/m3) during 29 June - 12 August 2022. 35 Figure 3.4: Mean Chl-a PFT distribution in the Arctic Ocean (mg/m3) during 29 June - 12 August 2022. 36 [...] The Arctic Ocean is undergoing rapid and significant changes due to climate warming, impacting its physical and biological systems. Phytoplankton plays different roles in the dynamics of the ocean systems [...] machine learning with extensive marine data from ocean observations and simulation outputs (Figure 1.2), specifically focused on the sub- arctic and arctic regions (above 50◦ latitude), could provide improved

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Melanie Bergmann

MB Media Euronews (Video) | 02.06.2023 Cleaning up the oceans: Is it too little, too late? Find out more > Eye on the Arctic | 25.04.2023 Arctic ice algae highly polluted with microplastics, poses food [...] are available to the general public. Melanie Bergmann (AWI): Litter and Microplastics Invade the Arctic Ocean (Photo: Alfred-Wegener-Institut) Contact Melanie Bergmann +49(471)4831-1739 E-Mail CV Social Media [...] Google Scholar Photo Download Biologin Dr. Melanie Bergmann. jpg | 3 MB Melanie Bergmann counts Arctic Ocean plastic, jpg | 363 KB Melanie Bergmann analyses marine litter in, jpg | 3 MB Melanie Bergmann

Melanie_Bergmann_AWI-Expert_UK_updated.pdf

Nature Research Society. Since 2012, her research has focused on plastic pollution in the oceans, especially in the Arctic, where she established a Pollution Observatory. She has edited the book ‘Marine Ant [...] megafauna time series, which uses imaging methods to investigate the impact of global warming on the Arctic deep sea. In 2012, Melanie Bergmann and her colleagues received the Alexander von Humboldt Memorial [...] developed the online portal LITTERBASE. Melanie Bergmann is a member of various expert groups (Deep-Ocean Stewardship Initiative Working Group on Pollution & Debris, IMDOS Seafloor Litter Group). She regards

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Melsom_IICWG-DA2019.pdf

Bremen 2019-06-17 - 19 DIE =Dcoast IE =DIIEE =D0 Ice Ocean 9th IICWG-DA, Bremen 2019-06-17 - 199th IICWG-DA, Bremen 2019-06-17 - 19 Ice Ocean Ice Ocean DIE ≫Dcoast IE =DIIEE =D0 Metrics compared: idealized [...] Sea ports to the Far East is ~40% shorther than via Suez ➢ Commercial shipping in the Arctic Ocean is becoming economically viable Three methods for defining edge position metrics 1. Displacement between [...] primary source of information for safe navigation in ice infested waters ● Retreating sea ice in the Arctic gives a potential for commercial ship traffic at high latitudes ● Northern sea route from North Sea

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Meltwater influences ecosystems in the Arctic Ocean

Arctic Ocean
In the summer months, sea ice from the Arctic drifts through Fram Strait into the Atlantic. Thanks to meltwater, a stable layer forms around the drifting ice atop the more salty seawater [...] team of researchers led by the Alfred Wegener Institute has now determined with the aid of the FRAM ocean observation system. Their findings have just been published in the journal Nature Communications.

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changing ocean in climate change, the Arctic Ocean. This research is continued as part of my PhD project, where I am investigating new arising habitats and carbon pathways in the future Arctic Ocean. Tanvi [...] in physics and ocean technology to pursue a PhD in Indian ocean carbon dynamics to analyse the changes in atmospheric CO 2 and associated ocean carbon chemistry in the North Indian Ocean using observation-based [...] 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

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nutrients and carbonate chemistry parameters in the Fram Strait and the Central Arctic Ocean. To monitor such parameters in the ocean, it is common practice to analyze discrete water samples obtained e.g. by [...] productivity, strength of the biological carbon pump) are linked in the present-day and future Arctic ocean, as well as to which extent this relationship is driven by differences between functional groups [...] and where nutrients and CO 2 are distributed in the ocean, which has implications for primary and bacterial production and CO 2 uptake by the ocean. In order to understand how such biogeochemical cycles

Merged Analysis and Forecasting

of an Arctic Sea Ice–Ocean Model by a Genetic Algorithm, doi.org/10.1175/MWR-D-18-0360.1 Sumata, H., Kauker, F., Karcher, M. und Gerdes, R., 2019b: Covariance of Optimal Parameters of an Arctic Sea Ice–Ocean [...] the Arctic summer minimum sea ice extent in September from the beginning of the melting season in May/June on. While the strongest greenhouse gas induced changes are currently observed in the Arctic, it [...] However, this approach neglects all feedbacks of the sea ice-ocean system on the atmosphere. Since 2015 the initial state of the sea ice-ocean model is constrained by sea ice observations (data assimilation)

Micro- and nanoplastic from the atmosphere is polluting the ocean

, e.g. in water bodies, the soil and the air. Via ocean currents and rivers, the tiny plastic particles can even reach the Arctic, Antarctic or ocean depths. A new overview study has now shown that wind [...] the Institute for Advanced Sustainability Studies in Potsdam, and the GEOMAR Helmholtz Centre for Ocean Research in Kiel – describes how microplastic finds its way into the atmosphere and how it is subsequently

Microbial communities in the deep sea

in different Arctic environments. Contact: A. Boetius, C. Bienhold, M. Wietz Literature: Cardozo Mino, M., Fadeev, E., Salman-Carvalho, V., Boetius, A. (2021). Spatial Distribution of Arctic Bacterioplankton [...] Effects of Ice-Algal Aggregate Export on the Connectivity of Bacterial Communities in the Central Arctic Ocean. Frontiers in Microbiology 9. doi: 10.3389/fmicb.2018.01035 Hoffmann, K., Hassenrück, C., Sal [...] Boetius, A. (2014): Composition, Buoyancy Regulation and Fate of Ice Algal Aggregates in the Central Arctic Ocean. PLOS One 9(9): e107452. doi:10.1371/journal.pone.0107452 Jacob, M., Soltwedel, T., Boetius, A