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Abrupt Decrease in Tropical Pacific Sea Surface Salinity at End of Little Ice Age

Hendy, Erica J., Gagan, Michael K., Alibert, Chantal A., McCulloch, Malcolm T., Lough, Janice M., Isdale, Peter J.·2002·Science

Abstract

A 420-year history of strontium/calcium, uranium/calcium, and oxygen isotope ratios in eight coral cores from the Great Barrier Reef, Australia, indicates that sea surface temperature and salinity were higher in the 18th century than in the 20th century. An abrupt freshening after 1870 occurred simultaneously throughout the southwestern Pacific, coinciding with cooling tropical temperatures. Higher salinities between 1565 and 1870 are best explained by a combination of advection and wind-induced evaporation resulting from a strong latitudinal temperature gradient and intensified circulation. The global Little Ice Age glacial expansion may have been driven, in part, by greater poleward transport of water vapor from the tropical Pacific.

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Metadata

Authors
Hendy, E. J., Gagan, M. K., Alibert, C. A., McCulloch, M. T., Lough, J. M., & Isdale, P. J.
Venue
Science
Published
2002-02-22
Volume
295
Issue
5559
Pages
1511-1514
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2038006301
Cited by
314
References
0
FWCI
12.58
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Abrupt Decrease in Tropical Pacific Sea Surface Salinity at End of Little Ice Age. https://app.cochat.ai/papers/10.1126/science.1067693
The paper
Hendy, E. J., Gagan, M. K., Alibert, C. A., McCulloch, M. T., Lough, J. M., & Isdale, P. J. (2002). Abrupt Decrease in Tropical Pacific Sea Surface Salinity at End of Little Ice Age. Science. https://doi.org/10.1126/science.1067693

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