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Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-07-10
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-07-03
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-07-15
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-07-18
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-08-23
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-08-25
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Video In Situ Snowfall Sensor (VISSS) data for Ny-Ålesund on 2024-09-02
No full textThe VISSS is a camera system recording precipitating snowfall from two perspectives. Here, movies and images of falling precipitation particles are provided for one day at station Ny-Ålesund. For further details on the VISSS see Maahn et al. (2024)
Weather data measured during ALKOR cruise AL575 on 2022-07-09
No full textWeather data (atmospheric pressure, air temperature, humidity, wind direction and speed) were monitored during AL575 cruise on 2022-07-09 from the DWD weather station (EUropean Common Automated Weather Station, short EUCAWS) at about 23 m altitude and obtained via the WERUM dship repository (https://dship.geomar.de). The weather data was correlated to atmospheric methane and carbon dioxide measurements that are published separately at doi:10.1594/PANGAEA.982665
Authigenic Uranium Preservation and Bottom Water Oxygenation in the Scotia Sea
No full textSedimentary uranium (U) and thorium (Th) isotopes are invaluable proxies to assess paleo export productivity and bottom water redox conditions, site-specific sediment focusing and vertical rain rates.
We report authigenic uranium at IODP Site U1537 in the Scotia Sea and further provide bulk sediment δ234U, Th-normalized vertical rain rates, bulk element concentrations, porewater U concentration, biogenic barium and opal concentrations. Multiple proxies point to increased export productivity during interglacials in the Scotia Sea. During interglacials, the accumulation of authigenic U is controlled by the decomposition of substantial quantities of organic matter, caused by the high export productivity. Conversely, during glacial times, low export productivity is coinciding with low authigenic U, suggesting well-oxygenated bottom waters. Further, we gain new information on the development of Weddell Sea Deep Water export across the last termination into the Scotia Sea. The age model used for the last 150 ka is from Lu et al. (2022), and for earlier periods from Weber et al. (2022)
Master tracks in different resolutions during POLAR 6 campaign P6-257_IceBird_Winter_2025
No full textRaw data acquired by GPS1 position sensors on board research aircraft Polar 6 during the campaign P6-257_IceBird_Winter_2025 were processed to receive a validated master track which can be used as reference of further expedition data. Novatel FlexPak6 GPS receiver was used as navigation sensors during the campaign. Data were downloaded from AWI Datamanagement System (https://dms.awi.de) with a resolution of 1 sec. Processed data are provided as a master track with 1 sec resolution and a generalized track with a reduced set of the most significant positions of the master track. A detailed report on processing is also available for each flight