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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).
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note
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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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