| Abstract: | Estimates of sea surface temperature (SST) based upon foraminifer, diatom, and ostracod assemblages from ocean cores reveal a warm phase of the Pliocene between about 3.3 and 3.0 Ma. Pollen records and plant megafossils, although not as well dated, show evidence for a warmer climate at about the same time. Increased greenhouse forcing and altered ocean heat transport are the leading candidates for the underlying cause of Pliocene global warmth. Despite being a period of global warmth, this interval encompasses considerable variability. Two new SST reconstructions are presented that are designed to provide a climatological error bar for warm peak phases of the Pliocene and to document the spatial distribution and magnitude of SST variability within the mid-Pliocene warm period. These data suggest long-term stability of low-latitude SST and document greater variability in regions of maximum warming. Copyright 2005 by the American Geophysical Union. |
| Genre: | Article |
| ProdID: | 70029327 |
| Citation Author: | Dowsett, H. J.; Chandler, M. A.; Cronin, T. M.; Dwyer, G. S. |
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| Citation End Page: | 8 |
| Citation Issue: | 2 |
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| Citation Language: | English |
| Citation Larger Work Title: | Paleoceanography |
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| Citation Number Of Pages: | 8 |
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| Citation Search Results Text: | Middle Pliocene sea surface temperature variability; 2005; Article; Journal; Paleoceanography; Dowsett, H. J.; Chandler, M. A.; Cronin, T. M.; Dwyer, G. S. |
| Citation Start Page: | 1 |
| Citation Volume: | 20 |
| Citation Year: | 2005 |
| Type: | citation/reference |
| Text: | Middle Pliocene sea surface temperature variability; 2005; Article; Journal; Paleoceanography; Dowsett, H. J.; Chandler, M. A.; Cronin, T. M.; Dwyer, G. S. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg |
| URL (DIGITAL OBJECT IDENTIFIER): | http://dx.doi.org/10.1029/2005PA001133 |
| Date Other: | Sat, 1 Jan 2005 00:00 -0600 |
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