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Purser, Autun; Bodur, Yasemin V; Ramalo, Sofia; Stratmann, Tanja; Schoening, Timm (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected during RV SONNE expeditions SO268/1+2 [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.935856

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Published: 2021-09-15 • DOI registered: 2021-10-16

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Abstract:
The scientific work during RV SONNE expeditions SO268/1+2 (17-02-2019 - 27-05-2019) was part of the second phase of the European collaborative JPI Oceans project MiningImpact and is designed to assess the environmental impacts of deep sea mining of polymetallic nodules in the Clarion Clipperton Fracture Zone (CCZ).. The main goal was to study the potential long-term ecological impact o anthropogenic disturbances on the deep-sea floor from mining polymetallic Mn-nodules.
In this dataset, we present the raw image data collected by the RV SONNE integrated OFOS system.
The OFOS is a towed underwater camera system equipped with both a high-resolution photo-camera (iSiTEC, CANON EOS 5D Mark III) and a high-definition video-camera (iSiTEC, Sony FCB-H11).
The cameras are mounted on a steel frame (140L x 100W x 100H cm), together with two strobe lights (iSiTEC UW-Blitz 250, TTL driven), three laser pointers at a distance of 50 cm from each other that were used to estimate the size of seafloor structures, four LED lights, a Tritech Altimeter, and a USBL positioning system (Posidonia) to track the position of the OFOS during deployments.
In total, 13 OFOS deployments were carried out during the cruise legs. The first deployment failed, and positioning was not operational during the second cruise. Here we present all images collected during the 12 successful deployments, with seafloor positions from the latter 11 dives also presented.
Keyword(s):
CCZ; deep sea ecology; deep sea mining; polymetallic nodules
Project(s):
JPI Oceans - Ecological Aspects of Deep-Sea Mining (JPIO-MiningImpact)
Funding:
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812A: JPI-O MiningImpact: Monitoringkonzepte für einen Manganknollenabbau in der Tiefsee
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812B: JPI-O MiningImpact: Modellierung der Ausbreitung und Ablagerung einer Sedimentfahne
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812C: JPI-O MiningImpact: IT-Service-Systeme und Software für die Überwachung mariner Ökosysteme im Kontext von Unterwasserbergbau
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812D: JPI-O MiningImpact: Auswirkungen von Manganknollen-Abbau auf benthische Megafauna- und Mikroorganismen-Gemeinschaften und ihre Funktionen
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812E: JPI-O MiningImpact: Molekulare Biodiversitätserfassung
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812F: JPI-O MiningImpact: Auswirkungen von Manganknollenbergbau auf biogeochemische Prozesse und die Ausbreitung von Stoffen in der Tiefsee
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812G: JPI-O MiningImpact: Großskaliger Umwelteinfluss eines Manganknollenkollektors auf den Spurenelementkreislauf und die Bildung und das Verhalten von Sediment-Plumes
Federal Ministry of Education and Research (BMBF), grant/award no. 03F0812H: JPI-O MiningImpact:
Coverage:
Median Latitude: 12.609131 * Median Longitude: -119.975745 * South-bound Latitude: 11.837872 * West-bound Longitude: -125.926589 * North-bound Latitude: 14.136893 * East-bound Longitude: -116.984879
Date/Time Start: 2019-03-04T08:37:24 * Date/Time End: 2019-05-10T09:53:13
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
12 datasets

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Datasets listed in this publication series

  1. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/1_21-1 RV SONNE SO268/1 cruise. https://doi.org/10.1594/PANGAEA.935896
  2. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/1_30-1 RV SONNE SO268/1 cruise. https://doi.org/10.1594/PANGAEA.935854
  3. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/1_63-1 RV SONNE SO268/1 cruise. https://doi.org/10.1594/PANGAEA.935855
  4. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_100-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935884
  5. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_117-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935895
  6. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_126-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935887
  7. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_128-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935888
  8. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_147-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935889
  9. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_153-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935890
  10. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_160-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935891
  11. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_164-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935892
  12. Purser, A; Bodur, YV; Ramalo, S et al. (2021): Seafloor images of undisturbed and disturbed polymetallic nodule province seafloor collected along OFOS profile SO268/2_177-1 RV SONNE SO268/2 cruise. https://doi.org/10.1594/PANGAEA.935893