Members

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

PS101 KARASIK

m at Gakkel Ridge of the Central Arctic. Such integrated studies of ultraslow oceanic spreading zones are rare, because the most extensive of these systems, the Arctic Gakkel Ridge and the Southwest Indian

ARJEL

Gelatinous zooplankton from the Fram Strait region, Arctic Ocean (Photo: Mario Hoppmann/AWI) Gelatinous zooplankton, comprising cnidarians, ctenophores and tunicates, are known to be major drivers of ecosystem [...] the consequences of range shifts of Atlantic and Arctic jellyfish. A better understanding of jellies´ trophic role is crucial for the rapidly changing Arctic and surrounding shelf seas, responsible for 10% [...] topics currently addressed by ARJEL: How diverse are gelatinous zooplankton communities in the Arctic Ocean? Since gelatinous zooplankton are fragile and easily fragmented, there are some biases associated

With geophysics and geology towards 83°05’N – the northernmost position of our expedition

(17/18 Sep 18). A new week begins - fog, calm sea, ice free. Nothing reminds us that we are in the Arctic Ocean (but this may change soon when are steaming northwards end of this week!).

Aerosols & Clouds

station. Antarctic To be filled! Text is missing Arctic Ocean (Central Arctic) FS Polarstern MOSAiC (Photo: M. Gutsche) The polar oceans in the Arctic and around Antarctica, characterized by their seasonal [...] expedition The Multidisciplinary drifting 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 [...] 400 scientists and experts from 20 nations, who studied a full annual cycle of the Arctic Atmosphere, Sea ice, Ocean, Biogeochemistry and Ecosystem. Further information and scientific publications can

North pole soon to be ice free in summer

Climate Research
The Arctic Ocean in summer will very likely be ice free before 2050, at least temporally. The efficacy of climate-protection measures will determine how often and for how long. These

Profile

Research Meltwater pools on the Arctic Ocean. The polar regions and oceans are central drivers of climate-related processes. (Photo: Stefan Hendricks, Alfred-Wegener-Institut) Oceans cover seventy percent of [...] by their fascinating diversity, they hold resources essential to humanity’s survival. Not only do oceans and their ecosystems fulfil a key role in the control of global environmental processes; they are [...] cities and claims to usage rights are often concentrated, the vast and unpopulated regions in the Arctic and Antarctic are also transforming. Not only are the polar regions highly sensitive to climatic

Team - AWI OZA

l factors to explore the ecological role of marine mammals in the Arctic Ocean. Data stem from the interdisciplinary Arctic FRAM ocean observatory, which provides a unique opportunity to gain insight into [...] distribution patterns of marine mammals in polar seas. During my PhD I am analyzing polar ocean (Southern Ocean and Arctic Ocean) passive acoustic monitoring data to investigate the influence of the three soundscape [...] into these interrelationships. I strongly believe that a holistic understanding of the Arctic Ocean ecosystem is essential in view of future management and conservation strategies to preserve this unique

Outreach

Times' reports! Arctic climate change and the consequences for microalgae Contribution to the scientific expert reports section on the website of Scientific Year 2016/17 Resistant Arctic microalgae (De [...] (Deutschlandfunk, 25.1.2017) Radio interview on the responses of Arctic phytoplankton to climate change on the occasion of the Arctic Frontiers conference 2017, Deutschlandfunk. Tiny algae, hugely resilient [...] important source of food in the oceans. Dr Clara Hoppe of the Alfred Wegener Institute examines how changed living conditions as a result of climate change affect Arctic microalgae. Algal diet (Rheinpfalz

Phytoplankton Ecophysiology

factors such as warming, nutrient deficiency or ocean acidification, by focusing on one of the most sensitive areas on Earth, the subarctic and Arctic Ocean. Thereby, we contribute to the Helmholtz research [...] greenhouse gas, rising CO 2 causes ocean warming: temperatures of the surface waters have already increased by 1.1°C on average, while some regions like the Arctic Ocean changing fastest (IPCC 2022). The [...] anthropogenic CO 2 is taken up by the ocean, concentrations of CO2 and bicarbonate increase while the concentration of carbonate ions and the pH decrease, also known as 'Ocean Acidification'. Just like warming