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Radiocarbon Age Constraints on Rates of Advance and Retreat of the Puget Lobe of the Cordilleran Ice Sheet during the Last Glaciation

Published online by Cambridge University Press:  20 January 2017

Stephen C. Porter  and
Terry W. Swanson
Stephen C. Porter
Affiliation:
Quaternary Research Center and Department of Geological Sciences, University of Washington, Seattle, Washington, 98195-1360
Terry W. Swanson
Affiliation:
Quaternary Research Center and Department of Geological Sciences, University of Washington, Seattle, Washington, 98195-1360
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Abstract

Calibrated radiocarbon dates of organic matter below and above till of the last (Fraser) glaciation provide limiting ages that constrain the chronology and duration of the last advance–retreat cycle of the Puget Lobe in the central and southeastern Puget Lowland. Seven dates for wood near the top of a thick proglacial delta have a weighted mean age of 17,420 ± 90 cal yr B.P., which is the closest limiting age for arrival of the glacier near the latitude of Seattle. A time–distance curve constructed along a flowline extending south from southwestern British Columbia to the central Puget Lowland implies an average glacier advance rate of ca. 135 m/yr. The glacier terminus reached its southernmost limit ca. 16,950 yr ago and likely remained there for ca. 100 yr. In the vicinity of Seattle, where the glacier reached a maximum thickness of 1000 m, ice covered the landscape for ca. 1020 yr. Postglacial dates constraining the timing of ice retreat in the central lowland are as old as 16,420 cal yr B.P. and show that the terminus had retreated to the northern limit of the lowland within three to four centuries after the glacial maximum. The average rate of retreat was about twice the rate of advance and was enhanced by rapid calving recession along flowline sectors where the glacier front crossed deep proglacial lakes.

Type
Original Articles
Information
Quaternary Research , Volume 50 , Issue 3 , November 1998 , pp. 205 - 213
Copyright
University of Washington

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References

Anundsen, K., Abella, S., Leopold, E., Stuiver, M., and Turner, S. (1994). Late-glacial and early Holocene sea-level fluctuations in the central Puget Lowland, Washington, inferred from lake sediments. Quaternary Research 42, 149–161.CrossRefGoogle Scholar
Armstrong, J.E., Crandell, D.R., Easterbrook, D.J., and Noble, J.B. (1965). Late Pleistocene stratigraphy and chronology in southwestern British Columbia and northwestern Washington. Geological Society of America Bulletin 76, 321–330.CrossRefGoogle Scholar
Barnosky, C.W. (1981). A record of Late Quaternary vegetation from Davis Lake, southern Puget Lowland, Washington. Quaternary Research 16, 221–239.Google Scholar
Booth, D.B. (1986). Mass balance and sliding velocity of the Puget Lobe of the Cordilleran Ice Sheet during the last glaciation. Quaternary Research 25, 269–280.CrossRefGoogle Scholar
Booth, D.B. (1986). The formation of ice-marginal embankments into ice-dammed lakes in the eastern Puget Lowland, Washington, U. S. A., during the Pleistocene. Boreas 15, 247–263.CrossRefGoogle Scholar
Booth, D.B. (1987). Timing and processes of deglaciation along the southern margin of the Cordilleran ice sheet. North American and Adjacent Oceans during the Last Deglaciation Geological Society of America, Boulder.p. 71–90Google Scholar
Booth, D.B. (1994). Glaciofluvial infilling and scour of the Puget Lowland, Washington, during ice-sheet glaciation. Geology 22, 695–698.2.3.CO;2>CrossRefGoogle Scholar
Bretz, J.H. (1910). Glacial lakes of Puget Sound. Journal of Geology 18, 448–458.CrossRefGoogle Scholar
Bretz, J.H. (1913). Glaciation of the Puget Sound region. Washington Geological Survey Bulletin 8, Google Scholar
Brown, C. S., Meier, M. F., and Post, A (1982). Calving Speed of Alaska Tidewater Glaciers. with Application to Columbia GlacierGoogle Scholar
Clague, J.J., Armstrong, J.E., and Mathews, W.H. (1980). Advance of the Late Wisconsin Cordilleran Ice Sheet in southern British Columbia since 22,000 yr B.P. Quaternary Research 13, 322–326.Google Scholar
Clague, J.J., Saunders, I.R., and Roberts, M.C. (1988). Ice-free conditions in southwestern British Columbia at 16,000 years BP. Canadian Journal of Earth Sciences 25, 938–941.Google Scholar
Curran, T. A (1965). Surficial Geology of the Issaquah Area. Washington.Google Scholar
Easterbrook, D.J. (1969). Pleistocene chronology of the Puget Lowland and San Juan Islands, Washington. Geological Society of America Bulletin 80, 2273–2286.Google Scholar
Easterbrook, D.J. (1992). Advance and retreat of Cordilleran ice sheets in Washington, U.S.A. Géographie physique et Quaternaire 46, 51–68.Google Scholar
Funk, M., and Röthlisberger, H. (1989). Forecasting the effects of a planned reservoir which will partially flood the tongue of Unteraargletscher in Switzerland. Annals of Glaciology 13, 76–81.Google Scholar
Goldthwait, R. P., Loewe, F., Ugolini, F. C., Decker, H. F., DeLong, D. M., Trautman, M. B., Good, E. E., Merrell III, T. R., and Rudolph, E. D (1966). Soil Development and Ecological Succession in a Deglaciated Area of Muir Inlet. Southeast Alaska.Google Scholar
Leopold, E.B., Nickmann, R., Hedges, J.I., and Ertel, J.R. (1982). Pollen and lignin records of late Quaternary vegetation, Lake Washington. Science 218, 1305–1307.Google Scholar
Meier, M. F (1994). Columbia Glacier during rapid retreat: Interactions between glacier flow and iceberg calving dynamics. In, Workshop on the Calving Rate of West Greenland Glaciers in Response to Climate Change, N. Rech, 63, 84, Danish Polar Center, Copenhagen., Sept. 13–15., 1993Google Scholar
Minard, J. P (1985). Geologic Map of the Arlington West Quadrangle. Snohomish County, Washington.Google Scholar
Mullineaux, D.R., Waldron, H.H., and Rubin, M. (1965). Stratigraphy and chronology of late interglacial and early Vashon time in the Seattle area, Washington. U. S. Geological Survey Bulletin 1194-O, 1–10.Google Scholar
Porter, S.C. (1989). Late Holocene fluctuations of the fiord glacier system in Icy Bay, Alaska, U. S. A. Arctic and Alpine Research 21, 364–379.CrossRefGoogle Scholar
Post, A. S (1975). Preliminary Hydrography and Historic Terminal Changes of Columbia Glacier.Google Scholar
Rigg, G.B., and Gould, H.R. (1957). Age of Glacier Peak eruption and chronology of post-glacial peat deposits in Washington and surrounding areas. American Journal of Science 255, 341–363.Google Scholar
Stuiver, M., and Reimer, P.J. (1993). Extended14 14 . Radiocarbon 35, 215–230.CrossRefGoogle Scholar
Thorson, R.M. (1980). Ice-sheet glaciation of the Puget lowland, Washington, during the Vashon Stade (Late Pleistocene). Quaternary Research 13, 303–321.Google Scholar
Thorson, R. M (1981). Isostatic Effects of the Last Glaciation in the Puget Lowland. Washington.CrossRefGoogle Scholar
Thorson, R.M. (1989). Glacioistatic response of the Puget Sound area, Washington. Geological Society of America Bulletin 101, 1163–1174.2.3.CO;2>CrossRefGoogle Scholar
Viens, R. J (1995). Dynamics and Mass Balance of Temperate Tidewater Calving Glaciers of Southern Alaska.Google Scholar
Wiles, G.C., and Calkin, P.E. (1993). Neoglacial fluctuations and sedimentation of an iceberg-calving glacier resolved with tree rings (Kenai Fjords National Park, Alaska). Quaternary International 18, 35–42.Google Scholar
Yount, J. C., Marcus, K. L., and Mozley, P. S (1980). Radiocarbon-Dated Localities from the Puget Lowland. Washington., 80, 780.Google Scholar