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    Author(s): Jerry R. Miller; Dru Germanoski; Mark L. Lord
    Date: 2011
    Source: In: Chambers, Jeanne C.; Miller, Jerry R., eds. Geomorphology, hydrology, and ecology of Great Basin meadow complexes - implications for management and restoration. Gen. Tech. Rep. RMRS-GTR-258. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 24-43.
    Publication Series: General Technical Report (GTR)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (5.66 MB)

    Description

    Three geomorphic processes are of primary concern with respect to the current and future state of wet meadow ecosystems: channel incision, avulsion (the abrupt movement of the channel to a new location on the valley floor), and gully formation. Gully formation often is accompanied by upvalley headcut migration and a phenomenon referred to as "groundwater sapping" that is defined as erosion of bank materials by groundwater flow. In this chapter, we examine the effects of each of these processes on meadow complexes. Although these processes are discussed separately, they are often interconnected and the rates at which they proceed depend on their interactions. Therefore, the potential to stabilize or rehabilitate a specific meadow must not only include an evaluation of the individual processes but also their combined effects.

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    Citation

    Miller, Jerry R.; Germanoski, Dru; Lord, Mark L. 2011. Geomorphic processes affecting meadow ecosystems [chapter 3]. In: Chambers, Jeanne C.; Miller, Jerry R., eds. Geomorphology, hydrology, and ecology of Great Basin meadow complexes - implications for management and restoration. Gen. Tech. Rep. RMRS-GTR-258. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 24-43.

    Keywords

    riparian areas, wetlands, semi-arid ecosystems, degradation, stream incision, stabilization

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