Southern hemisphere water mass conversion linked with North Atlantic climate variability

Publication Status is "Submitted" Or "In Press: 
LDEO Publication: 
Publication Type: 
Year of Publication: 
2005
Authors: 
Editor: 
Journal Title: 
Science
Journal Date: 
Mar 18
Place Published: 
Tertiary Title: 
Volume: 
307
Issue: 
5716
Pages: 
1741-1746
Section / Start page: 
Publisher: 
ISBN Number: 
0036-8075
ISSN Number: 
Edition: 
Short Title: 
Accession Number: 
ISI:000227883900036
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Call Number: 
Abstract: 

Intermediate water variability at multicentennial scales is documented by 340,000-year-long isotope time series from bottom-dwelling foraminifers at a mid-depth core site in the southwest Pacific. Periods of sudden increases in intermediate water production are linked with transient Southern Hemisphere warm episodes, which implies direct control of climate warming on intermediate water conversion at high southern latitudes. Coincidence with episodes of climate cooling and minimum or halted deepwater convection in the North Atlantic provides striking evidence for interdependence of water mass conversion in both hemispheres, with implications for interhemispheric forcing of ocean thermohaline circulation and climate instability.

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909TPTimes Cited:30Cited References Count:48

DOI: 
DOI 10.1126/science.1102163