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    Late Quaternary paleohydrology of desert wetlands and pluvial lakes in the Soda Lake basin, central Mojave Desert, California (USA)

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    Name:
    Honke et al_with Figs.pdf
    Embargo:
    2021-06-17
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    3.667Mb
    Format:
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    Description:
    Final Accepted Manuscript
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    Author
    Honke, J.S.
    Pigati, J.S.
    Wilson, J.
    Bright, J.
    Goldstein, H.L.
    Skipp, G.L.
    Reheis, M.C.
    Havens, J.C.
    Affiliation
    Univ Arizona, Dept Geosci
    Issue Date
    2019-07-15
    Keywords
    Groundwater discharge deposits
    Wetlands
    Radiocarbon dating
    Paleohydrology
    Mojave Desert
    Soda Lake
    
    Metadata
    Show full item record
    Publisher
    PERGAMON-ELSEVIER SCIENCE LTD
    Citation
    Honke, J. S., Pigati, J. S., Wilson, J., Bright, J., Goldstein, H. L., Skipp, G. L., ... & Havens, J. C. (2019). Late Quaternary paleohydrology of desert wetlands and pluvial lakes in the Soda Lake basin, central Mojave Desert, California (USA). Quaternary Science Reviews, 216, 89-106.
    Journal
    QUATERNARY SCIENCE REVIEWS
    Rights
    Published by Elsevier Ltd.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Sediment cores taken near extant springs along the western margin of Soda Lake playa, as well as from the playa center, reveal dramatic hydrologic changes that occurred in the central Mojave Desert during the late Quaternary. Results of stratigraphic, chronologic, physical, chemical, and microfossil analyses of seven cores, ranging in length from 5 to 23 m, help refine the timing and character of the final stages of pluvial Lake Mojave during the late Pleistocene and define distinct periods of wetland development in the early and late Holocene. Evidence shows that an incipient lake occupied the central Soda Lake basin by at least 25.0 ka (ka = thousands of calibrated C-14 years before present), and a fully developed Lake Mojave was present between 20.5 and 12.8 ka, before receding and ultimately yielding to playa conditions by 11.0 ka. Organic-rich "black mats" appear in several cores along the playa margin between 10.7 and 9.0 ka, suggesting that spring-fed wetlands persisted in this area long after the lake had regressed. The basin remained relatively dry throughout most of the Holocene until wetland ecosystems expanded along the margins between 0.73 and 0.18 ka, coincident with part of the Medieval Climate Anomaly and Little Ice Age. Overall, our results demonstrate that buried sediments surrounding extant and extinct springs can be used to reconstruct past hydrologic conditions in desert environments on a variety of spatial and temporal scales, and provide important baseline information for effective management of limited desert resources. Published by Elsevier Ltd.
    Note
    24 month embargo; available online 17 June 2019
    ISSN
    0277-3791
    DOI
    10.1016/j.quascirev.2019.05.021
    Version
    Final accepted manuscript
    Sponsors
    U.S. Geological Survey's Land Change Science Program through the Paleohydrology of Desert Wetlands project
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.quascirev.2019.05.021
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