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Al-Rousan, Saber; Al-Moghrabi, Salim M; Pätzold, Jürgen; Wefer, Gerold (2002): Growth rates and stable carbon and oxygen isotope record of corals from the Red Sea. PANGAEA, https://doi.org/10.1594/PANGAEA.736096, Supplement to: Al-Rousan, S et al. (2002): Environmental and biological effects on the stable oxygen isotope records of corals in the northern Gulf of Aqaba, Red Sea. Marine Ecology Progress Series, 239, 301-310, https://doi.org/10.3354/meps239301

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Abstract:
Monthly delta18O records of 2 coral colonies (Porites cf. lutea and P. cf. nodifera) from different localities (Aqaba and Eilat) from the northern Gulf of Aqaba, Red Sea, were calibrated with recorded sea surface temperatures (SST) between 1988 and 2000. The results show high correlation coefficients between SST and delta18O. Seasonal variations of coral delta18O in both locations could explain 91% of the recorded SST. Different delta18O/SST relations from both colonies and from the same colonies were obtained, indicating that delta18O from coral skeletons were subject to an extension rate effect. Significant delta18O depletions are associated with high extension rates and higher values with low extension rates. The relation between coral skeletal delta18O and extension rate is not linear and can be described by a simple exponential model. An inverse relationship extends over extension rates from 1 to 5 mm/yr, while for more rapidly growing corals and portions of colonies the relation is constant and the extension rate does not appear to have a significant effect. We recommend that delta18O values be obtained from fast-growing corals or from portions in which the isotopic disequilibrium is fairly constant (extension rate >5 mm/yr). The results show that interspecific differences in corals may produce a significant delta18O profile offset between 2 colonies that is independent of environmental and extension-rate effects. We conclude that the rate of skeletal extension and the species of coral involved have an important influence on coral delta18O and must be considered when using delta18O records for paleoclimatic reconstructions.
Related to:
Al-Rousan, Saber (2002): Ocean and climate history recorded in stable isotopes of corals and foraminifers from the northern Gulf of Aqaba. Berichte aus dem Fachbereich Geowissenschaften der Universität Bremen, 200, 116 pp, urn:nbn:de:gbv:46-00103060-11
Project(s):
Geosciences, University of Bremen (GeoB)
Red Sea Program on marine sciences (RSP)
Coverage:
Median Latitude: 29.477700 * Median Longitude: 35.180110 * South-bound Latitude: 29.450000 * West-bound Longitude: 34.919170 * North-bound Latitude: 29.516700 * East-bound Longitude: 35.500000
Date/Time Start: 1996-04-01T00:00:00 * Date/Time End: 1999-04-01T00:00:00
Event(s):
Aq-7 * Latitude: 29.450000 * Longitude: 35.500000 * Date/Time: 1999-04-01T00:00:00 * Elevation: -7.0 m * Location: Red Sea/Gulf of Aqaba * Campaign: Aqaba96_00 * Basis: Sampling/drilling corals * Method/Device: Sampling by diver (DIVER) * Comment: collected by a scuba diving by S. Al-Rousan, in front of the Marine Science Station in Aqaba/Jordan
Aq-19/3 * Latitude: 29.450000 * Longitude: 35.500000 * Date/Time: 1999-04-01T00:00:00 * Elevation: -19.0 m * Location: Red Sea/Gulf of Aqaba * Campaign: Aqaba96_00 * Basis: Sampling/drilling corals * Method/Device: Sampling by diver (DIVER) * Comment: collected by a scuba diving by S. Al-Rousan, in front of the Marine Science Station in Aqaba/Jordan / a column of Porites cf. lutea colony was collected
Aq-19A * Latitude: 29.457830 * Longitude: 34.975000 * Date/Time: 1999-04-01T00:00:00 * Elevation: -19.0 m * Location: Red Sea/Gulf of Aqaba * Campaign: Aqaba96_00 * Basis: Sampling/drilling corals * Method/Device: Sampling by diver (DIVER) * Comment: collected by a scuba diving by S. Al-Rousan, in front of the Marine Science Station in Aqaba/Jordan / a column of Porites cf. lutea colony was collected
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
14 datasets

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Datasets listed in this publication series

  1. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-7 (Porites spp.). https://doi.org/10.1594/PANGAEA.78689
  2. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-19/3 (Porites cf. lutea). https://doi.org/10.1594/PANGAEA.78680
  3. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Coral records (Porites cf. lutea), stable isotope data, coarse resolution records of Aq-19A. https://doi.org/10.1594/PANGAEA.78096
  4. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-19A (Porites cf. lutea). https://doi.org/10.1594/PANGAEA.78681
  5. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Coral records (Porites cf. lutea), stable isotope data, coarse resolution records of Aq-19C. https://doi.org/10.1594/PANGAEA.78097
  6. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-19C (Porites cf. lutea). https://doi.org/10.1594/PANGAEA.78682
  7. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-29 (Porites spp.). https://doi.org/10.1594/PANGAEA.78685
  8. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of Aq-42 (Porites spp.). https://doi.org/10.1594/PANGAEA.78687
  9. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Coral records (Porites cf. nodifera), stable isotope data, coarse resolution records of EL-15A. https://doi.org/10.1594/PANGAEA.78098
  10. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of El-15A (Porites cf. nodifera). https://doi.org/10.1594/PANGAEA.78690
  11. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Coral records (Porites cf. nodifera), stable isotope data, coarse resolution records of EL-15B. https://doi.org/10.1594/PANGAEA.78099
  12. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of El-15B (Porites cf. nodifera). https://doi.org/10.1594/PANGAEA.78691
  13. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Coral records (Porites cf. nodifera), stable isotope data, coarse resolution records of EL-15C. https://doi.org/10.1594/PANGAEA.78100
  14. Al-Rousan, S; Al-Moghrabi, SM; Pätzold, J et al. (2002): Annual coral growth rates of El-15C (Porites cf. nodifera). https://doi.org/10.1594/PANGAEA.78693