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  • 1
    Call number: AWI G7 04-0015
    In: Developments in quaternary science, Volume 1
    Type of Medium: Monograph available for loan
    Pages: ix, 584 Seiten , Illustrationen
    Edition: First edition
    ISBN: 0444514716
    Series Statement: Developments in quaternary science 1
    Language: English
    Note: Contents Foreword / Jim Rose Preface / Alan R. Gillespie, Stephen C. Porter and Brian F. Atwater The southern Laurentide Ice Sheet / David M. Mickelson and Patrick M. Colgan The Cordilleran Ice Sheet / Derek B. Booth, Kathy Goetz Troost, John J. Clague and Richard B. Waitt Controls, history, outbursts, and impact of large late-Quaternary proglacial lakes in North America / James T. Teller Pleistocene glaciations of the Rocky Mountains / Kenneth L. Pierce Quaternary alpine glaciation in Alaska, the Pacific Northwest, Sierra Nevada, and Hawaii / Darrell S. Kaufman, Stephen C. Porter and Alan R. Gillespie Coupling ice-sheet and climate models for simulation of former ice sheets / Shawn J. Marshall, David Pollard, Steven Hostetler and Peter U. Clark Permafrost process research in the United States since 1960 / Bernard Hallet, Jaakko Putkonen, Ronald S. Sletten and Noel Potter Jr. Quaternary sea-level history of the United States / Daniel R. Muhs, John F. Wehmiller, Kathleen R. Simmons, and Linda L. York Western lakes / Larry Benson Isotopic records from ground-water and cave speleothem calcite in North America / Jay Quade Rivers and riverine landscapes / David R. Montgomery and Ellen E. Wohl Landscape evolution models / Frank J. Pazzaglia Eolian sediments / Alan J. Busacca, James E. Beget, Helaine W. Markewich, Daniel R. Muhs, Nicholas Lancaster and Mark R. Sweeney Soils and the Quaternary climate system / Milan J. Pavich and Oliver A. Chadwick Earthquake recurrence inferred from paleoseismology / Brian F. Atwater, Martitia P. Tuttle, Eugene S. Schweig, Charles M. Rubin, David K. Yamaguchi and Eileen Hemphill-Haley Quaternary volcanism in the United States / William E. Scott Late-Quaternary vegetation history of the eastern United States / Eric C. Grimm and George L. Jacobson Jr. Quaternary vegetation and climate change in the western United States: Developments, perspectives, and prospects / Robert S. Thompson, Sarah L. Shafer, Laura E. Strickland, Peter K. Van de Water and Katherine H. Anderson Results and paleoclimate implications of 35 years of paleoecological research in Alaska / Patricia M. Anderson, Mary E. Edwards and Linda B. Brubaker Quaternary history from the U.S. tropics / Sara Hotchkiss Climatically forced vegetation dynamics in eastern North America during the late Quaternary Period / Thompson Webb III, Bryan Shuman and John W. Williams Holocene fire activity as a record of past environmental change / Cathy Whitlock and Patrick J. Bartlein Interannual to decadal climate and streamflow variability estimated from tree rings / David W. Stahle, Falko K. Fye and Matthew D. Therrell Quaternary Coleoptera of the United States and Canada / Allan C. Ashworth Vertebrate paleontology / S. David Webb, Russell W. Graham, Anthony D. Barnosky, Christopher J. Bell, Richard Franz, Elizabeth A. Hadly, Ernest L. Lundelius Jr., H. Gregory McDonald, Robert A. Martin, Holmes A. Semken Jr. and David W. Steadman Peopling of North America / David J. Meltzer Modeling paleoclimates / Patrick J. Bartlein and Steven W. Hostetle
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 2
    ISSN: 1573-0417
    Keywords: ostracodes ; environmental change ; Holocene ; northern Great Plains ; Saskatchewan ; paleolimnology ; Canada
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences
    Notes: Abstract Holocene paleoenvironments of Harris Lake, southwestern Saskatchewan, are reconstructed from the ostracode stratigraphy of a 10.4 m sediment core. Twenty three taxa, representing nine genera, were identified and counted from 113 samples. At each depth, a theoretical faunal assemblage was derived from the raw counts. The mean and variance of chemical, climatic and physical variables were inferred from modern analogues of the fossil assemblages, using existing autecological data from 6720 sites, mostly in western Canada. These data suggest four paleoenvironments: an early-Holocene (9240–6400 years BP) variable climate supporting aspen parkland vegetation; the warm dry hypsithermal (6400–4500 years BP); a short transitional period of ameliorating climate and expanding subboreal forest (4500–3600 years BP); and the present environment since 3600 years BP. A change in regional climate with the draining of Glacial Lake Agassiz (ca. 8500 years BP) and landsliding in the watershed (ca. 4000 years BP) caused relatively rapid environmental change. The ostracode record generally corroborates the interpretations of other proxy data previously published for Harris Lake. Most of the discrepancy involves the timing and severity of maximum Holocene warmth and aridity. Peak aridity interpreted from the pollen data is earlier than in the other proxy records. Both the diatoms and ostracodes indicate highest paleosalinity between ca. 6500 and 5000 years BP, but maximum salinity in the diatom record occurs between ca. 6000–5700 years BP, whereas the ostracode-inferred salinity is relatively low at this time and peaks later at ca. 5000 years. Neither of these reconstructions suggests the short episodes of hypersalinity interpreted from the mineralogy.
    Type of Medium: Electronic Resource
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