• Expeditions

    possible due to the harsh water current at the wreck site another attempt was conducted at HE607 with the help of a ROV of the ICBM. During HE607 it is planned to visit the again the wreck site of the submarine [...] Bremerhaven – Bremerhaven The aims of the cruise HE635 are cross disciplinary investigations of munition dumping sites in the southern German Bight and the test of new underwater crawler for munition monitoring [...] (e.g., patterns of coastal runoff) and chemistry to reveal terrestrial and marine sources of nutrients, OM, freshwater, and the distribution of greenhouse gases of the PCES. The effect of local flux patterns

  • Passive Acoustic Monitoring - AWI OZA

    acoustic recording unit like the ones used by the PAM recorders in HAFOS. This takes advantage of the recorder now sitting just under the icy surface of the ice shelf, accessible by the Neumayer overwintering [...] Strait, respectively. See the maps to the right for of the recording sites occupied so far. Please note that not all sites are equipped with recorders at all time. Maps of the Arctic and Antarctic with [...] Tracking of Antarctic marine mammals) The aim of the PASATA project was to use time-synchronized passive acoustic recorders to localize vocalizing marine mammals in the Atka Bay area. Alongside the passive

  • Projects

    assessment of the flowering of these species and the associated risk of mussel poisoning in Chinese and German coastal waters. The focus is on the current status of the biodiversity of the genus Azadinium [...] Objective The One Blue project analyses concentrations, degradation and impacts of contaminants of emerging concern (CECs) in the oceans through case studies in the Atlantic, the Arctic and the Mediterranean [...] Research objective The goal of CONMAR is to provide information on the distribution and condition of munitions in the German North Sea and Baltic Sea and to generate an understanding of the release and dispersal

  • Publications

    Appreciation of 50 Years of the Study of Oceans and Lakes. Bangor 18-22 March 2002 Talk - Hamm, C. (2002): Geometry and Material Properties of the Silicified Cell Walls of Planktonic Algae: The Technical [...] Design of Radial Framework Structures: The Case of Asterolampra. In: Block, P., Boller, G., DeWolf, C., Pauli, J., & Kaufmann, W. Eds.: Proceedings of the IASS 2024 Symposium; Redefining the Art of Structural [...] Decouple Ocean Carbon and Silicon Cycles in the Iron-limited Antarctic Circumpolar Current . Proceedings of the National Academy of Sciences of the United States of America . 110 (51). 20633-20638 Paper -

  • SoNoAT_2019_CourseContent.pdf

    AABW and AAIW north, the increase in NADW as we move north in the SW Atlantic and its reduction in the Eastern Basin of the Atlantic, and the appearance of MOW in the later part of the transect. Figure 5: [...] for the polar components of the climate system. Since 2009 he is the head of the Climate-Initiative REKLIM (Regional Climate Change) of the Helmholtz Association (HGF), in which nine centres of the HGF [...] leaving the ship, this will take the form of a short report detailing the pre-planning and execution on station of the CTD cast, the results they found and an interpretation of their findings in the context

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  • PoF_IV_proposal_for_extern.pdf

    internationally. All of this will be supported by a more strategic and dynamic integration of the Program and partners at the level of the RF E&E, of the Helmholtz Association as well as in the national, European [...] ocean system from the seafloor to the atmosphere. Atmosphere and Climate: The main objective of this Program was to gain a better understanding of the role of the atmosphere in the climate system. For this [...] Observatory of the Study of Arctic Climate MOSES Modular Observation Solutions for Earth Systems, an observing system of the Helmholtz Asso- ciation and a CTA of the RF E&E MoU Memorandum of Understanding

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  • 6_7_cruise_report_PS95.pdf

    from the shallow region of the English Channel to the Bay of Biscay, the region around the Ampère Seamount, the Cape Verde Islands and further stations in the South Atlantic up to Cape Town. The participants [...] gradually. In the morning of 10 November Polarstern entered the harbour of Las Palmas. The cruise leg PS95.2 started in the afternoon of the same day with the departure from Las Palmas towards the Cape Verde [...] lectures of the work carried out in the previous six days on the evening before and a teaching/learning period on the morning of the transfer where the outgoing groups taught the incoming students. The themes

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  • Cruise_reportPS102.pdf

    deployment of Expendable Bathythermographs (XBTs) to measure the thermal structure of the upper 1.8 km of the water column. XBT probes were ‘fired’ during the second leg of the cruise when the vessel was [...] mixing at the surface decreases the oxygenation of the lower water masses. Additionally, it decreases the formation of central water, which is subducted from the thermocline. In the case of SACW, the formation [...] deoxygenation of the water mass. This can greatly impact the ventilation of the surrounding water body and the formation rate of the water mass itself. Consequences are the expansion and formation of oxygen minimum

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  • Permafrost

    effects on the landscape, as the large ice masses melt, causing parts of the surface to collapse. The considerable diversity to be found in permafrost makes it particularly difficult to keep track of the various [...] found at the Zugspitze. Given its smaller overall land mass, there is less permafrost in the Southern Hemisphere. Although the Antarctic offers the constant low temperatures needed, the amount of land where [...] where the majority of biological and biochemical activity takes place, it is also referred to as the “active layer”, which, as the thawing layer, is not considered to be part of the permafrost. The layer

  • FRAM0170420_brochure_online_dS.pdf

    network. The mission of the “Frontiers in Arctic Marine Monitoring” (FRAM) infrastructure is to support synchronous year-round integrated system observations of one of the fastest changing regions of the Earth [...] information about the dynamics of the pack ice. 06 Ice tethered Bio-Optical Buoy (IBOB): consists of 3 sensor modules, one in the ice, one directly below the ice and one 5 meters below the ice. Measures [...] attribute the impact of anthropogenic activity and natural phenomena on the marine ecosystem of the Arctic Ocean. Long-term data set of 3 phytoplankton functional types in the Arctic by synergistic use of hyper-

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