Temperature and Surface-Ocean Water Balance of the Mid-Holocene Tropical Western Pacific-Reference-Cited by-同舟云学术

Temperature and Surface-Ocean Water Balance of the Mid-Holocene Tropical Western Pacific

Published:1998-02-13 Issue:5353 Volume:279 Page:1014-1018
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Gagan Michael K.¹²³,Ayliffe Linda K.¹²³,Hopley David¹²³,Cali Joseph A.¹²³,Mortimer Graham E.¹²³,Chappell John¹²³,McCulloch Malcolm T.¹²³,Head M. John¹²³

Affiliation:

1. M. K. Gagan, L. K. Ayliffe, J. A. Cali, G. E. Mortimer, M. T. McCulloch, Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia.

2. D. Hopley, Sir George Fisher Centre, James Cook University, Townsville, Queensland 4811, Australia.

3. J. Chappell and M. J. Head, Research School of Pacific and Asian Studies, Australian National University, Canberra, ACT 0200, Australia.

Abstract

Skeletal Sr/Ca and 18 O/ 16 O ratios in corals from the Great Barrier Reef, Australia, indicate that the tropical ocean surface ∼5350 years ago was 1°C warmer and enriched in 18 O by 0.5 per mil relative to modern seawater. The results suggest that the temperature increase enhanced the evaporative enrichment of 18 O in seawater. Transport of part of the additional atmospheric water vapor to extratropical latitudes may have sustained the 18 O/ 16 O anomaly. The reduced glacial-Holocene shift in seawater 18 O/ 16 O ratio produced by the mid-Holocene 18 O enrichment may help to reconcile the different temperature histories for the last deglaciation given by coral Sr/Ca thermometry and foraminiferal oxygen-isotope records.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference54 articles.

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2. Oxygen isotopes, ice volume and sea level

3. Reconciliaion of late Quaternary sea levels derived from coral terraces at Huon Peninsula with deep sea oxygen isotope records

4. The oxygen isotopic composition of foraminiferal calcite is expressed in per mil where δ 18 O = [( 18 O/ 16 O) sample /( 18 O/ 16 O) standard ] − 1.

5. Oxygen Isotope Analyses and Pleistocene Temperatures Re-assessed

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