Thermohaline circulation crisis and impacts during the mid-Pleistocene transition-Reference-Cited by-同舟云学术

Thermohaline circulation crisis and impacts during the mid-Pleistocene transition

Published:2014-07-18 Issue:6194 Volume:345 Page:318-322
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Pena Leopoldo D.¹,Goldstein Steven L.¹²

Affiliation:

1. Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964, USA.

2. Department of Earth and Environmental Sciences, Columbia University, 61 Route 9W, Palisades, NY 10964, USA.

Abstract

Circulating between different cycles Around a million years ago, large-scale ocean circulation changed dramatically during the switch from ∼41,000- to ∼100,000-year long glacial cycles. Pena and Goldstein analyzed the isotopic composition of neodymium in marine sediments from the South Atlantic. The results suggest how the contributions of deep water from northern and southern sources varied across the transition. The boundary between the two glacial states appears to have been marked by a dramatic weakening, perhaps even a shutdown, of deep-water currents. Science , this issue p. 318

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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