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Kiriakoulakis, Kostas; Bett, Brian J; White, Martin; Wolff, George A (2004): Biogeochemistry of the Darwin Mounds, NE Atlantic. PANGAEA, https://doi.org/10.1594/PANGAEA.738275, Supplement to: Kiriakoulakis, K et al. (2004): Organic biogeochemistry of the Darwin Mounds, a deep-water coral ecosystem, of the NE Atlantic. Deep Sea Research Part I: Oceanographic Research Papers, 51(12), 1937-1954, https://doi.org/10.1016/j.dsr.2004.07.010

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Abstract:
The Darwin Mounds are a series of small (<=5 m high, 75-100 m diameter) sandy features located in the northern Rockall Trough. They provide a habitat for communities of Lophelia pertusa and associated fauna. Suspended particulate organic matter (sPOM) reaching the deep-sea floor, which could potentially fuel this deep-water coral (DWC) ecosystem, was collected during summer 2000. This was relatively "fresh" (i.e. dominated by labile lipids such as polyunsaturated fatty acids) and was derived largely from phytoplankton remains and faecal pellets, with contributions from bacteria and microzooplankton. Labile sPOM components were enriched in the benthic boundary layer (~10 m above bottom (mab)) relative to 150 mab. The action of certain benthic fauna that are exclusively associated with the DWC ecosystem (e.g. echiuran worms) leads to the subduction of fresh organic material into the sediments. The mound surface sediments are enriched in organic carbon, relative to off-mound sites. There is no evidence for hydrocarbon venting at this location.
Coverage:
Median Latitude: 59.814239 * Median Longitude: -7.374229 * South-bound Latitude: 59.812500 * West-bound Longitude: -7.378667 * North-bound Latitude: 59.815000 * East-bound Longitude: -7.367500
Date/Time Start: 2000-07-11T00:00:00 * Date/Time End: 2000-07-19T00:00:00
Event(s):
D248_13816#4 * Latitude: 59.814167 * Longitude: -7.378000 * Date/Time: 2000-07-11T00:00:00 * Elevation: -947.0 m * Location: Darwin Mound * Campaign: D248 * Basis: Discovery (1962) * Method/Device: MultiCorer (MUC)
D248_13819#1 * Latitude: 59.813167 * Longitude: -7.376667 * Date/Time: 2000-07-12T00:00:00 * Elevation: -949.0 m * Location: Darwin Mound * Campaign: D248 * Basis: Discovery (1962) * Method/Device: MultiCorer (MUC)
D248_13823#12 * Latitude: 59.814330 * Longitude: -7.374160 * Date/Time: 2000-07-14T00:00:00 * Elevation: -943.0 m * Location: Darwin Mound * Campaign: D248 * Basis: Discovery (1962) * Method/Device: Stand-alone pumps (SAPS) * Comment: Water pumped: 1187.8 l
Size:
9 datasets

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Datasets listed in this publication series

  1. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 2) Biogeochemistry of the particulate organic matter from the Darwin Mound area. https://doi.org/10.1594/PANGAEA.328713
  2. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13816#4 from the Darwin Mound tail area. https://doi.org/10.1594/PANGAEA.328716
  3. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13819#1 from the Darwin Mound tail area. https://doi.org/10.1594/PANGAEA.328725
  4. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13823#4 from the Darwin Mound area. https://doi.org/10.1594/PANGAEA.328718
  5. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13823#5 from the Darwin Mound area. https://doi.org/10.1594/PANGAEA.328719
  6. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13830#1 from the Darwin Mound area. https://doi.org/10.1594/PANGAEA.328721
  7. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13832#1 from the Darwin Mound tail area. https://doi.org/10.1594/PANGAEA.328722
  8. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13833#2 from the Darwin Mound control area. https://doi.org/10.1594/PANGAEA.328723
  9. Kiriakoulakis, K; Bett, BJ; White, M et al. (2004): (Table 3) Biogeochemistry of sediment profile D248_13839#1 from the Darwin Mound control area. https://doi.org/10.1594/PANGAEA.328724