Response of North American Great Basin Lakes to Dansgaard-Oeschger oscillations
Quaternary Science Reviews
By: L. Benson, S. Lund, R. Negrini, B. Linsley, and M. Zic
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Abstract
We correlate oscillations in the hydrologic and/or cryologic balances of four Great Basin surface-water systems with Dansgaard-Oeschger (D-O) events 2-12. This correlation is relatively strong at the location of the magnetic signature used to link the lake records, but becomes less well constrained with distance/time from the signature. Comparison of proxy glacial and hydrologic records from Owens and Pyramid lakes indicates that Sierran glacial advances occurred during times of relative dryness. If our hypothesized correlation between the lake-based records and the GISP2 ??18O record is correct, it suggests that North Atlantic D-O stades were associated with relatively cold and dry conditions and that interstades were associated with relatively warm and wet conditions throughout the Great Basin between 50,500 and 27,000 GISP2yr B.P. The Great Basin lacustrine climate records reinforce the hypothesis that D-O events affected the climate throughout much of the Northern Hemisphere during marine isotope stages 2 and 3. However, the absolute phasing between lake-size and ice-core ??18O records remains difficult to determine.
Suggested Citation
Benson, L., Lund, S., Negrini, R., Linsley, B., and Zic, M., 2003, Response of North American Great Basin Lakes to Dansgaard-Oeschger oscillations: Quaternary Science Reviews, v. 22, no. 21-22, p. 2239-2251, https://doi.org/10.1016/S0277-3791(03)00210-5.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Response of North American Great Basin Lakes to Dansgaard-Oeschger oscillations |
| Series title | Quaternary Science Reviews |
| DOI | 10.1016/S0277-3791(03)00210-5 |
| Volume | 22 |
| Issue | 21-22 |
| Year Published | 2003 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Quaternary Science Reviews |
| First page | 2239 |
| Last page | 2251 |