faster in calculating the 24h-tendency of ozone compared to the full chemistry model. (Graphic: Alfred-Wegener-Institut) The SWIFT model is a fast scheme for simulating the chemistry of stratospheric ozone [...] Gathen Launch of an ozonesonde at the AWIPEV research base on Svalbard. (Photo: Jürgen Graeser (Alfred-Wegener-Institut))

AWIPEV Atmosphere Observatory with green laser beam of the lidar instrument. (Photo: G. Tran / Alfred Wegener Institute) At the Atmosphere Observatory of the AWIPEV research base in Ny-Ålesund , Svalbard [...] mast and BSRN radiation instruments at Neumayer Station, Antarctica. (Photo: H. Schmithüsen / Alfred-Wegener-Institut) In Antarctica, atmospheric research is split into two observatories at the Neumayer [...] Regions Svalbard, Arctic Atmosphere Observatory of AWIPEV-Base in Ny-Ålesund, Spitsbergen (Photo: Alfred-Wegener-Institut) Svalbard is a key region of climate change in the Arctic. On the one hand it is close

the island and which extended to a depth of more than 30m. ORIENTATE is a cooperation of the Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung and the University of Sfax in Tunisia

scientists under the Head of the British Antarctic Survey (BAS) and with the participation of the Alfred Wegener Institute. The map, called Bedmap3, covers more than six decades of survey data collected by

Bathymetric Chart of the Southern Ocean) (Graphic: Alfred-Wegener-Institut / IBSCO v2, Dorschel et al., 2022) IBSCO v2 Datenabdeckung (Graphic: Alfred-Wegener-Institut / IBSCO v2, Dorschel et al., 2022) As

Southern Ocean? Lakes as climate archives Old lake-level terraces at the current shore (Photo: Alfred Wegener Institut) Find our lacustrine projects on this page... Transition from the Cretaceous Greenhouse

marine biological hazards. Dr Christina Hörterer, Dr Lena Rölfer and Dr Gesche Krause (Photo: Alfred-Wegener-Institut / Kerstin Rolfes) Alumni Nike Fuchs Claudia König Ann-Kathrin Happe Jan Scheve Annette

the Helmholtz Association, in which the Helmholtz-Centre for Environmental Research (UFZ) and Alfred Wegener Institute, Helmholtz-Centre for Polar and Marine Research (AWI) pooled and applied their expertise

oceanic microseisms research projects. (Graphic: Alfred-Wegener-Institut) Contact An ice-going OBS has emerged in a Polynia (ice-free area). (Photo: Alfred-Wegener-Institut) Prof. Dr. Vera Schlindwein Dr. Mechita

seafloor at the Arctic Mid-Ocean Ridge International Bathymetric Chart of the Arctic Ocean (Photo: Alfred-Wegener-Institut)