Holinde, Lars; Badewien, Thomas H; Freund, Jan A; Stanev, Emil V; Zielinski, Oliver (2015): Pressure and processed water levels from the Time Series Station Spiekeroog in 2008. PANGAEA, https://doi.org/10.1594/PANGAEA.843736, In supplement to: Holinde, L et al. (2015): Processing of water level derived from water pressure data at the Time Series Station Spiekeroog. Earth System Science Data, 7(2), 289-297, https://doi.org/10.5194/essd-7-289-2015