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Cooling of Tropical Brazil (5°C) During the Last Glacial Maximum
Abstract
A 30,000-year paleotemperature record derived from noble gases dissolved in carbon-14-dated ground water indicates that the climate in lowland Brazil (Piaui Province, 7°S, 41.5°W; altitude, 400 meters) was 5.4° ± 0.6°C cooler during the last glacial maximum than today. This result suggests a rather uniform cooling of the Americas between 40°S and 40°N. A 5.4°C cooling of tropical South America is consistent with pollen records, snow line reconstructions, and strontium/calcium ratios and δ 18 O coral records but is inconsistent with the sea-surface temperature reconstruction of CLIMAP (Climate: Long-Range Investigation, Mapping and Prediction). On the basis of these results, it appears that the tropical Americas are characterized by a temperature sensitivity comparable to that found in higher latitudes.
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Cited by
Weaver, A. J., Eby, M., Wiebe, E. C., Bitz, C. M., Duffy, P. B., Ewen, T. L., Fanning, A. F., Holland, M. M., MacFadyen, A., Matthews, H. D., et al. (2001) · Atmosphere-Ocean · doi:10.1080/07055900.2001.9649686 · Cited by 734
Late Glacial Stage and Holocene Tropical Ice Core Records from Huascarán, Peru
Thompson, L. G., Mosley-Thompson, E., Davis, M. E., Lin, P. N., Henderson, K. A., Cole-Dai, J., Bolzan, J. F., & Liu, K. B. (1995) · Science · doi:10.1126/science.269.5220.46 · Cited by 713
Glacial cooling and climate sensitivity revisited
Tierney, J. E., Zhu, J., King, J., Malevich, S. B., Hakim, G. J., & Poulsen, C. J. (2020) · Nature · doi:10.1038/s41586-020-2617-x · Cited by 573
Evidence for decoupling of atmospheric CO2 and global climate during the Phanerozoic eon
Veizer, J., Godderis, Y., & François, L. M. (2000) · Nature · doi:10.1038/35047044 · Cited by 473
Hydroclimate changes across the Amazon lowlands over the past 45,000 years
Wang, X., Edwards, R. L., Auler, A. S., Cheng, H., Kong, X., Wang, Y., Cruz, F. W., Dorale, J. A., & Chiang, H.-W. (2017) · Nature · doi:10.1038/nature20787 · Cited by 376
Metadata
- Authors
- Stute, M., Forster, M., Frischkorn, H., Serejo, A., Clark, J. F., Schlosser, P., Broecker, W. S., & Bonani, G.
- Venue
- Science
- Published
- 1995-07-21
- Volume
- 269
- Issue
- 5222
- Pages
- 379-383
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2096504411
- Cited by
- 570
- References
- 0
- FWCI
- 22.54
- Type
- journal article
- Language
- en
- Open access
- closed
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- Stute, M., Forster, M., Frischkorn, H., Serejo, A., Clark, J. F., Schlosser, P., Broecker, W. S., & Bonani, G. (1995). Cooling of Tropical Brazil (5°C) During the Last Glacial Maximum. Science. https://doi.org/10.1126/science.269.5222.379
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