A late Holocene pollen record from Pearson's Pond, Weeks Creek landslide, San Francisco Peninsula, California
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Abstract
A 210-cm core from Pearson's Pond yielded a pollen record for the past 3 millenia. Prior to A.D. 1000 the pond biota was particularly sensitive to climatic fluctuations. Two wet intervals occur in the pollen record, between 350 B.C. and A.I). 0 and between A.D. 650 and 900. The pollen record suggests that the Weeks Creek landslide may have moved at least twice prior to 3,000 years ago and that the middle part of the glide has been stable since that time. Seasonal changes produce large annual fluctuations in the water table, and climatic changes during the past 3,000 years have produced significant changes in the timing and magnitude of the annual changes. Climatic records such as the one presented here will help us to understand and separate the effects of climate and earthquakes on the landslide history of the Holocene deposits of the San Francisco Bay area.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A late Holocene pollen record from Pearson's Pond, Weeks Creek landslide, San Francisco Peninsula, California |
| Series title | Journal of Research of the U.S. Geological Survey |
| Volume | 3 |
| Issue | 6 |
| Year Published | 1975 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Description | 11 p. |
| First page | 721 |
| Last page | 731 |
| Country | United States |
| State | California |
| Other Geospatial | Pearson's Pond, San Francisco Peninisula |
| Google Analytic Metrics | Metrics page |