Data Assimilation Publications

NOAA SST data into the BSH operational circulation model for the North and Baltic Seas: Part 2. Sensitivity of the forecast's skill to the prior model error statistics. Journal of Marine Systems , 120 [...] assimilation of physical and biogeochemical observations. in Proceedings of the 10th EuroGOOS International Conference. "European Operational Oceanography for the ocean we want - Addressing the UN Ocean Decade [...] Janssen, F. (2012). Assimilating NOAA SST data into the BSH operational circulation model for the North and Baltic Seas: Inference about the data. Journal of Marine Systems , 105-108, pp. 152-162, doi:10.1016/j

Publications, Contributions & Outreach Activities - AWI OZA

Acoustic metrics to assess humpback whale song unit structure from the Atlantic sector of the Southern Ocean. Journal of the Acoustical Society of America , 149, 4649-4658. DOI: doi.org/10.1121/10.0005315 [...] IC (2018). On the reliability of acoustic annotations and automatic detections of Antarctic blue whale calls under different acoustic conditions. The Journal of the Acoustical Society of America, 144( [...] (2012). Strategic Assessment of the Risk Posed to Marine Mammals by the Use of Air Guns in the Antarctic: Concepts, Methods, Results, and Controversies. In: The Effects of Noise on Aquatic Life, edited

UN Plastics Treaty

solving the problem with consumers. But researchers see another source of the plastic problem: the petrochemical industry, which produces the plastic. And that’s also precisely the crux of the negotiations [...] Uruguay – the beginning of a lengthy process intended to end with the approval of a binding treaty in Busan. Although the parties agreed that the treaty should address the entire lifecycle of plastics, [...] summaries of the current state of research, helping the delegates make informed choices. “All decisions and measures designed to stop the global flood of plastics have to be made and developed on the best

Stable Isotopes in Marine Geology

DML as well as data of the control standard IA-RO63. It can be seen that the SD of the DML house standard is higher, but it is still within the specification of the analysis system. The transparent background [...] addition, the δ 15 N values of the organic matter also provide information on the efficiency of the biological pump if terrigenous input can be excluded. The δ 13 C and δ 15 N values of organisms, on the other [...] archives. On the other hand, we determine the δ 18 O values in ice and water samples from the Arctic and Antarctic, as well as the δ 13 C values of dissolved inorganic carbon in the water of the polar oceans

Facility Bhv

DML as well as data of the control standard IA-RO63. It can be seen that the SD of the DML house standard is higher, but it is still within the specification of the analysis system. The transparent background [...] addition, the δ 15 N values of the organic matter also provide information on the efficiency of the biological pump if terrigenous input can be excluded. The δ 13 C and δ 15 N values of organisms, on the other [...] archives. On the other hand, we determine the δ 18 O values in ice and water samples from the Arctic and Antarctic, as well as the δ 13 C values of dissolved inorganic carbon in the water of the polar oceans

Polarstern longterm cruise planning

scientific attention in the past. Today, the water column structure of the SO largely prevents pronounced melting of the EAIS. This state may change if the position and strength of the Antarctic Circumpolar [...] focuses on recording the history of the position of the ACC and major SO fronts, the status of Antarctic Bottom Water (AABW) formation today and in the past, as well as a range of additional hydrographic [...] series of 3D-distributions in the water column of the Arctic Ocean. The selected stations are based on locations and variables that have been observed in the past. The quasi-synoptic survey of the CAO and

Bluehouse

Helgoland and the agency "studio klv". The Alfred Wegener Institute conducts research in the extreme habitats of the polar regions and oceans - from the atmosphere to the bottom of the seas. At the Helgoland and [...] on side The excavation pit is currently being prepared with the pile construction, and the next step will be the demolition of the two basement levels. In the course of the upcoming work, the subsoil is [...] around 600 square metres of state-of-the-art exhibition space. By combining haptic and virtual content, the BLUEHOUSE HELGOLAND will provide a whole new insight into the world of the North Sea and its exploration

Awards and honors

focuses on understanding the drivers of sea surface temperature (SST) and sea ice changes from the satellite era to a warmer world. SO-ASE aims to unravel the fundamental physics of ice-climate interactions [...] Development (ESD) of the Federal Ministry of Education and Research and the German UNESCO Commission. The klimafit core team includes: at AWI: Dr. Renate Treffeisen, Dr. Klaus Grosfeld, at the WWF Germany: [...] Stephanie Arndt , 2023. Video of the Prize winner Silent Hero Preis Stephanie Carstensen , 2023. Video of the Prize winner Doctoral Award Dr. Luisa von Albedyll , 2022. Video of the Prize winner

Expeditions

sampling of the Kerguelen Plateau in the southern part of the Indian Ocean. The Kerguelen Plateau rises up 2000 m above the surrounding seafloor and hence forms an obstacle for the flow of the Antarctic [...] region in the southern Indian Ocean the complex topography of the Kerguelen Plateau, one of the world’s largest Large Igneous Provinces, has a strong influence on pathways of water masses within the Antarctic [...] information on the Cretaceous and Tertiary development of the AABW and its influence on the path of the Antarctic Circumpolar Current. This in turn will allow conclusions on the development of the East Antarctic

Climate modelling

include a digital twin of every atom in the ocean and atmosphere in the model – and the processing power of all the world’s supercomputers combined wouldn’t remotely be up to the task. Accordingly, models [...] refers to the long-term state of the atmosphere and ocean over decades, centuries or millennia. To gauge the climate, the statistics of the meteorological parameters also used to determine the weather are [...] Celsius, according to the IPCC the risk of exceeding certain tipping points in the climate system will be lower. This assessment was also the basis for the 1.5-degree target included in the Paris Agreement,