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Volumn 299, Issue 5610, 2003, Pages 1214-1217

Molecular fossil record of elevated methane levels in late Pleistocene coastal waters

Author keywords

[No Author keywords available]

Indexed keywords

CLIMATE CHANGE; HYDRATES; OXYGEN; SEDIMENTS;

EID: 0037458812     PISSN: 00368075     EISSN: None     Source Type: Journal    
DOI: 10.1126/science.1079601     Document Type: Article
Times cited : (95)

References (37)
  • 4
    • 0342756742 scopus 로고    scopus 로고
    • S. P. Hesselbo et al., Nature 406, 392 (2000).
    • (2000) Nature , vol.406 , pp. 392
    • Hesselbo, S.P.1
  • 13
    • 0013423366 scopus 로고    scopus 로고
    • note
    • This sediment interval was chosen because of the diverse array of signals in the corresponding foraminiferal record, which includes four carbon isotopic excursions in planktonic foraminifera as well as excursions of varying strength in the benthic species (Fig. 1A).
  • 14
    • 0013329582 scopus 로고    scopus 로고
    • note
    • Materials and methods are available as supporting material on Science Online.
  • 17
    • 0013372816 scopus 로고    scopus 로고
    • note
    • 13C of organic carbon from the studied interval (25) are similar to those from recent SBB sediments (34), suggesting that the contributions of methanotrophic carbon were generally low.
  • 19
    • 0013330377 scopus 로고    scopus 로고
    • note
    • The surface sediment (sediment depth 0 to 2 cm) was collected on 7 June 2001, at a water depth of 598 m, at 34°13.415′N and 120°1.746′W during cruise NH01-12 of RV New Horizon.
  • 29
    • 0013425068 scopus 로고    scopus 로고
    • note
    • -1 of oxygen into the waters below 500 m depth (Fig. 3).
  • 31
    • 0013374403 scopus 로고    scopus 로고
    • note
    • 3 (36).
  • 37
    • 0013328694 scopus 로고    scopus 로고
    • note
    • Financial support for testing the Clathrate Gun Hypothesis was provided by NSF grant no. OCE-0099023 to K.H. We gratefully acknowledge a WHOI Summer Student Fellowship awarded to L.H. in 2001. We thank the ODP for providing the samples from Site 893 and T. Eglinton (WHOI) for providing a surface sediment sample from a recent cruise to the SBB. The ODP is sponsored by NSF and participating countries under the management of Joint Oceanographic Institutions, Inc. We thank G. Dickens (Rice University), J. Hayes (WHOI), J. Kennett (University of California, Santa Barbara), and R. Summons (Massachusetts Institute of Technology) for stimulating discussions; J. Hayes, R. Summons, J. Peckmann (University of Bremen), and two anonymous reviewers for constructive criticism on an earlier version of the manuscript; and C. Johnson and L. Houghton for technical support with isotope analyses. This is Woods Hole Oceanographic Institution contribution 10847.


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