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Prell, Warren L; Farrell, John W (1991): Calcium carbonate preservation in the equatorial Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.733942, Supplement to: Farrell, John W; Prell, Warren L (1991): Pacific CaCO3 preservation and d18O since 4 Ma: paleoceanic and paleoclimatic implications. Paleoceanography, 6(4), 485-498, https://doi.org/10.1029/91PA00877

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Abstract:
The Pliocene-Pleistocene history of CaCO3 preservation in the central equatorial Pacific is reconstructed from a suite of deep-sea cores and is compared to fluctuations in global ice volume inferred from delta18O records. The results are highlighted by: (1) a strong covariation between CaCO3 preservation and ice volume over 104 to 106 year time scales; (2) a long-term increase in ice volume and CaCO3 preservation since 3.9 Ma demonstrated by a deepening of the lysocline and the carbonate critical depth; (3) a dramatic shift to greater CaCO3 preservation at 2.9 Ma; (4) distinctive ice-volume growth and CaCO3 preservation events at 2.4 Ma, which are associated with the significant intensification of northern hemisphere glaciation; (5) a mid-Pleistocene transition to 100-kyr cyclicity in both CaCO3 preservation and ice volume; and (6) a 600-kyr Brunhes dissolution cycle superimposed on the late Pleistocene glacial/interglacial 100-kyr cycles. CaCO3 preservation primarily reflects the carbonate chemistry of abyssal waters and is controlled by long-term (106 year) and short-term (104 to 105 year) biogeochemical cycling and by distinct paleoclimatic events. We attribute the long-term increase in CaCO3 preservation primarily to a fractionation of CaCO3 deposition from continental shelf to ocean basin, and secondarily to a gradual rise in the riverine and glaciofluvial flux of Ca++. On shorter time scales, the fluctuations in CaCO3 preservation slightly lag ice volume fluctuations and are attributed to climatically induced changes in the circulation and chemistry of Pacific deep water.
Project(s):
Deep Sea Drilling Project (DSDP)
Lamont-Doherty Earth Observatory, Columbia University (LDEO)
Coverage:
Median Latitude: 2.731856 * Median Longitude: -135.908353 * South-bound Latitude: 0.498500 * West-bound Longitude: -153.583000 * North-bound Latitude: 5.967000 * East-bound Longitude: -113.842000
Date/Time Start: 1947-10-06T10:00:00 * Date/Time End: 1984-02-23T00:00:00
Event(s):
85-572A * Latitude: 1.434800 * Longitude: -113.842000 * Date/Time: 1982-03-22T00:00:00 * Elevation: -3893.0 m * Penetration: 154 m * Recovery: 154.4 m * Location: North Pacific * Campaign: Leg85 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 17 cores; 154 m cored; 0 m drilled; 100.2 % recovery
85-572C * Latitude: 1.434800 * Longitude: -113.842000 * Date/Time: 1982-03-22T00:00:00 * Elevation: -3893.0 m * Penetration: 169.5 m * Recovery: 161.6 m * Location: North Pacific * Campaign: Leg85 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 20 cores; 169.5 m cored; 0 m drilled; 95.3 % recovery
85-573A * Latitude: 0.498500 * Longitude: -133.309500 * Date/Time: 1982-04-02T00:00:00 * Elevation: -4301.0 m * Penetration: 57.7 m * Recovery: 53.4 m * Location: North Pacific/TROUGH * Campaign: Leg85 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 6 cores; 53.2 m cored; 0 m drilled; 100.4 % recovery
Comment:
Other data source: https://www.ncdc.noaa.gov/paleo/study/2515
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
19 datasets

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Datasets listed in this publication series

  1. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core 85-572A. https://doi.org/10.1594/PANGAEA.133055
  2. Farrell, JW; Prell, WL (1991): Compiled age model of DSDP Site 85-572. https://doi.org/10.1594/PANGAEA.733941
  3. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core 85-572C. https://doi.org/10.1594/PANGAEA.133056
  4. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core 85-573A. https://doi.org/10.1594/PANGAEA.133057
  5. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core 85-574. https://doi.org/10.1594/PANGAEA.133058
  6. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core PLDS-130P. https://doi.org/10.1594/PANGAEA.133059
  7. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core RC11-209. https://doi.org/10.1594/PANGAEA.133060
  8. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core RC11-210. https://doi.org/10.1594/PANGAEA.133061
  9. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core RC12-63. https://doi.org/10.1594/PANGAEA.133062
  10. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core RC12-65. https://doi.org/10.1594/PANGAEA.133063
  11. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core RC12-66. https://doi.org/10.1594/PANGAEA.133064
  12. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core SDSE59. https://doi.org/10.1594/PANGAEA.133065
  13. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core SDSE60. https://doi.org/10.1594/PANGAEA.133066
  14. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core V24-55. https://doi.org/10.1594/PANGAEA.133067
  15. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core V24-58. https://doi.org/10.1594/PANGAEA.133068
  16. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core V24-59. https://doi.org/10.1594/PANGAEA.133069
  17. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core V24-62. https://doi.org/10.1594/PANGAEA.133070
  18. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core V28-179. https://doi.org/10.1594/PANGAEA.133071
  19. Farrell, JW; Prell, WL (1991): Calcium carbonate content of sediment core W8402A-14. https://doi.org/10.1594/PANGAEA.133072