The variability of holocene climate change: Evidence from varved lake sediments
Science
By: W.E. Dean, J.P. Bradbury, R.Y. Anderson, and C.W. Barnosky
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Abstract
Varved sediments from a lake near the present forest-prairie border in northwestern Minnesota provide an annual record of climate change for the last 10,400 years. Climate-sensitive mineral, chemical, and biological components show that the mid-Holocene dry interval between 8500 and 4000 years ago is asymmetrical and actually consists of two distinct drier pulses separated by a moister interval that lasted about 600 years. Cyclic fluctuations with periods of several hundred years were abrupt and persistent throughout the Holocene and are most clearly recorded within the two drier pulses.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The variability of holocene climate change: Evidence from varved lake sediments |
| Series title | Science |
| Volume | 226 |
| Issue | 4679 |
| Year Published | 1984 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Science |
| First page | 1191 |
| Last page | 1194 |
| Google Analytic Metrics | Metrics page |