in-situ

2 , Fram Strait, Bremerhaven-Tromsö; 6 Jun-3 Jul 2014 SHIVASonne SO235 (OASIS-2), Indic Ocean, Port Luis (Mauritius) to Male (Malediven), Jul to Aug 2014 RV Polarstern, ARK XXIX-2.2 (PS93.2), Fram Strait [...] Polarstern, PS99, Fram Strait, Bremerhaven to Tromsö, Jun-Jul 2016 RV Polarstern, PS103, Atlantic Southern Ocean, Capetown to Punta Arenas, Dec 2016-Feb 2017 RV Polarstern, PS107, Fram Strait, Tromsö to [...] 2019 RV Polarstern, PS121, Fram Strait, Bremerhaven to Tromsö, Aug-Sep 2019 RV Kormoran, BS1, Lake Constance, Langenargen to Langenargen, Mar 2020 RV Maria S. Merian, MSM 93, Fram Strait, Bremerhaven to

Long-term observations in the Arctic Ocean

@ awi.de Fram Strait / West Spitsbergen Atlantic Water is the main oceanic source of heat, salt, and nutrients of the Arctic Ocean. It enters the Arctic Ocean through the Barents Sea or Fram Strait. In [...] systems in addition to icebreaker-based surveys. Our focus areas are the boundary current from the Fram Strait to the Siberian Arctic and the upper Arctic basin. There is a strong link between the variability [...] (2015)Circulation and transformation of Atlantic water in the Eurasian Basin and the contribution of the Fram Strait inflow branch to the Arctic Ocean heat budget ,Progress in Oceanography, 132 , pp. 128-152

HGF-Projects

FRAM (Frontiers in Arctic marine Monitoring) HGF infrastructur programme Duration: 01.08.2014 - 31.07.2021 Coordination: Antje Boetius, AWI, Bremerhaven The FRAM Ocean Observing System will be installed [...] Central Arctic, representing a highly climate-sensitive and rapidly changing region of the Earth system. FRAM will implement existing and next-generation sensors and observatory platforms, allowing synchronous

Research

scenarios. FRAM operations beneath the ice (Graphic: Alfred-Wegener-Institut/FRAM/Sabine Lüdeling) FRAM - Our Work group is also involved in the context of the Arctic long-term observatory FRAM (Frontiers [...] and temporal resolution in the future. The foundation of the FRAM observatory is the preexisting long-term observatory 'Hausgarten' in the Fram Strait, which connects the Arctic and the Atlantic Ocean. Different

Cooperation Partners

Technical University of Denmark , Charlottenlund, Denmark ( FRAM , PhD R. Goncalves Araujo ) Norwegian Polar Institute , Tromsö, Norway ( FRAM , PhD R. Goncalves Araujo ) ACRI-ST , Sophia Antippolis, Fr [...] Geesthacht (HZG), Center for Materials and Coastal Research, Geesthacht, Germany ( OCEANET , ACENMAP , FRAM ) Institute of Marine Sciences, Mediterranean Marine and Environmental Research Centre (ICM, CSIC)

Projects

enumeration of toxic algae such as Pseudnitzschia sp. , or different species of the genus Alexandrium sp . FRAM (Frontiers in Arctic Marine Monitoring) The development of a standardized molecular observation strategy [...] marine eukaryotic microbes is tightly linked and directly contributes to the establishment of the FRAM microbial observatory that aims to monitor and understand how ongoing environmental changes affect [...] microbial communities and how these changes will alter their role in global element cycling. Within FRAM our group carries out all research related to the development, evaluation and standardization of molecular

Observatories

Under water FRAM COSYNA ACROSS Air Meteorology Earth Geophysics

Higher life at the deep seafloor

(2020). Spatial and temporal variation in deep-sea meiofauna at the LTER Observatory HAUSGARTEN in Fram Strait (Arctic Ocean). MDPI - Diversity 12 (7). doi: 10.3390/d12070279 Käß, M., Vedenin, A., Hasemann [...] Hasemann, C., Brandt, A., Soltwedel, T. (2019). Community structure of macrofauna in the deep Fram Strait: A comparison between two bathymetric gradients in ice-covered and ice-free areas. Deep-Sea Research [...] trends in the biomass of three epibenthic invertebrates from the deep-sea observatory HAUSGARTEN (Fram Strait, Arctic Ocean). Marine Ecology-Progress Series 602: 15-29. Grzelak, K., Kotwicki, L., Hasemann

Circulation in the Arctic Ocean and the Nordic Seas

changes in the warm northward flow, we monitor the Atlantic Water in the West Spitsbergen Current in Fram Strait by use of an oceanographic mooring array since 1997. Surface waters are densified through cooling [...] storing) Beaufort Gyre, and the Transpolar Drift, which drives the freshwater towards Greenland and Fram Strait from where it is eventually exported to the subpolar North Atlantic. The Arctic freshwater [...] contributes to a destabilization of the Greenland ice streams. We observed Atlantic water warming in Fram Strait and this water is likely to affect the (presently) stable North East Greenland ice stream (NEGIS)

PPR_Arctic

only (Fram Strait). The western, sea ice-dominated, part of Fram Strait proved to have short, late (middle May) and time varying phytoplankton blooms. At the marginal sea ice zone of the western Fram Strait [...] warm and salty Atlantic waters, experienced earlier (end of April) and longer blooms. In the eastern Fram Strait, stratification due to solar warming proved to act as a guiding factor for the the open ocean [...] Boetius, A. (2014) Influence of the physical environment on phytoplankton blooms: a case study in the Fram Strait , Journal of Marine Systems, 132 , pp. 196-207. doi: 10.1016/j.jmarsys.2013.11.008 , hdl:10013/epic