Arsenault, T A, Clague, John J, Mathewes, R W (2007) Late Holocene vegetation and climate change at Moraine Bog, Tiedemann Glacier, southern Coast Mountains, British Columbia. Canadian Journal of Earth Sciences, 44 (5) 707-719 doi:10.1139/e06-135
| Reference Type | Journal (article/letter/editorial) | ||
|---|---|---|---|
| Title | Late Holocene vegetation and climate change at Moraine Bog, Tiedemann Glacier, southern Coast Mountains, British Columbia | ||
| Journal | Canadian Journal of Earth Sciences | ||
| Authors | Arsenault, T A | Author | |
| Clague, John J | Author | ||
| Mathewes, R W | Author | ||
| Year | 2007 (May 1) | Volume | 44 |
| Issue | 5 | ||
| Publisher | Canadian Science Publishing | ||
| DOI | doi:10.1139/e06-135Search in ResearchGate | ||
| Generate Citation Formats | |||
| Mindat Ref. ID | 484303 | Long-form Identifier | mindat:1:5:484303:4 |
| GUID | 0 | ||
| Full Reference | Arsenault, T A, Clague, John J, Mathewes, R W (2007) Late Holocene vegetation and climate change at Moraine Bog, Tiedemann Glacier, southern Coast Mountains, British Columbia. Canadian Journal of Earth Sciences, 44 (5) 707-719 doi:10.1139/e06-135 | ||
| Plain Text | Arsenault, T A, Clague, John J, Mathewes, R W (2007) Late Holocene vegetation and climate change at Moraine Bog, Tiedemann Glacier, southern Coast Mountains, British Columbia. Canadian Journal of Earth Sciences, 44 (5) 707-719 doi:10.1139/e06-135 | ||
| In | (2007, May) Canadian Journal of Earth Sciences Vol. 44 (5) Canadian Science Publishing | ||
| Abstract/Notes | Moraine Bog lies just outside the outermost lateral moraine of Tiedemann Glacier in the southern Coast Mountains of British Columbia. A sediment core taken from the wetland was analyzed for pollen, magnetic susceptibility, and loss on ignition to reconstruct changes in vegetation and climate during the late Holocene. Vegetation changed little between about 3500 and 2400 14C years BP. A period of local disturbance marked by deposition of a silty clay bed and increases in Alnus pollen, likely reflecting cooler moister conditions, coincides with an extensive Holocene advance of Tiedemann Glacier about 2400 14C years BP. Warm dry conditions between about 1900 and 1500 14C years BP are suggested by peak values of Pseudotsuga pollen and increasing Nuphar sclereids; the latter suggests lowered water levels. This period coincides with a time of drought and increased fire frequency in the southernmost Coast Mountains. About 1300 14C years BP, the forest became more coastal in composition with abundant Tsuga heterophylla and Abies. An increase in Tsuga mertensiana pollen suggests the onset of cool and wet conditions by ca. 500 14C years BP, coincident with the Little Ice Age. The record of inferred climate change at Moraine Bog is broadly synchronous with other paleoclimate records from the Coast Mountains and, at the centennial scale, with records elsewhere in the world. | ||
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