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Seeberg-Elverfeldt, Jens; Schlüter, Michael; Feseker, Tomas; Kölling, Martin (2005): Pore water chemistry of samples near the sediment-water interface. PANGAEA, https://doi.org/10.1594/PANGAEA.738239, Supplement to: Seeberg-Elverfeldt, J et al. (2005): Rhizon sampling of pore waters near the sediment/water interface of aquatic systems. Limnology and Oceanography: Methods, 3, 361-371, https://doi.org/10.4319/lom.2005.3.361

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Abstract:
Rhizon samplers were originally designed as micro-tensiometers for soil science to sample seepage water in the unsaturated zone. This study shows applications of Rhizons for porewater sampling from sediments in aquatic systems and presents a newly developed Rhizon in situ sampler (RISS). With the inexpensive Rhizon sampling technique, porewater profiles can be sampled with minimum disturbance of both the sediment structure and possible flow fields. Field experiments, tracer studies, and numerical modeling were combined to assess the suitability of Rhizons for porewater sampling. It is shown that the low effort and simple application makes Rhizons a powerful tool for porewater sampling and an alternative to classical methods. Our investigations show that Rhizons are well suited for sampling porewater on board a ship, in a laboratory, and also for in situ sampling. The results revealed that horizontally aligned Rhizons can sample porewater with a vertical resolution of 1 cm. Combined with an in situ benthic chamber system, the RISS allows studies of benthic fluxes and porewater profiles at the same location on the seafloor with negligible effect on the incubated sediment water interface. Results derived by porewater sampling of sediment cores from the Southern Ocean (Atlantic sector) and by in situ sampling of tidal flat sediments of the Wadden Sea (Sahlenburg/Cuxhaven, Germany) are presented.
Coverage:
Median Latitude: -24.783617 * Median Longitude: 4.854440 * South-bound Latitude: -59.987000 * West-bound Longitude: 2.327100 * North-bound Latitude: 53.854330 * East-bound Longitude: 8.587160
Date/Time Start: 2004-03-30T15:58:00 * Date/Time End: 2004-10-28T16:20:00
Event(s):
Cuxhaven_J-S-E_1 * Latitude: 53.854330 * Longitude: 8.587160 * Date/Time: 2004-10-29T00:00:00 * Method/Device: Benthic chamber lander (BCL) * Comment: with a Rhizon in situ sampler (RISS)
PS65/594-3 * Latitude: -42.998500 * Longitude: 4.984400 * Date/Time: 2004-03-30T15:58:00 * Elevation: -4909.0 m * Campaign: ANT-XXI/4 (PS65) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
PS65/600-2 * Latitude: -50.003300 * Longitude: 2.327100 * Date/Time: 2004-04-03T01:53:00 * Elevation: -3564.0 m * Campaign: ANT-XXI/4 (PS65) * Basis: Polarstern * Method/Device: MultiCorer (MUC)
Size:
8 datasets

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Datasets listed in this publication series

  1. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Change of chloride and silicic acid over time in a benthic chamber deployment on a tidal flat near Sahlenburg/Cuxhaven Germany. https://doi.org/10.1594/PANGAEA.327185
  2. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/594-3, processed by low pressure squeezing for porewater sampling. https://doi.org/10.1594/PANGAEA.327192
  3. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/594-3, processed with Rhizons for porewater sampling. https://doi.org/10.1594/PANGAEA.327189
  4. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/600-2, processed by low pressure squeezing for porewater sampling. https://doi.org/10.1594/PANGAEA.327193
  5. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/600-2, processed with Rhizons for porewater sampling. https://doi.org/10.1594/PANGAEA.327190
  6. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/701-2, processed by low pressure squeezing for porewater sampling. https://doi.org/10.1594/PANGAEA.327195
  7. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Silicic acid profile of sediment core PS65/701-2, processed with Rhizons for porewater sampling. https://doi.org/10.1594/PANGAEA.327191
  8. Seeberg-Elverfeldt, J; Schlüter, M; Feseker, T et al. (2005): Two silica and two chloride profiles taken with a Rhizon in situ sampler deployment on a tidal flat near Sahlenburg/Cuxhaven Germany. https://doi.org/10.1594/PANGAEA.327303