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    Author(s): R.S. Mansell; S.A. Bloom; Ge Sun
    Date: 2000
    Source: Soil Science 2000;165:384-397
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (318 KB)

    Description

    WETLANDS, a multidimensional model describing water flow in variably saturated soil and evapotranspiration, was used to simulate successfully 3-years of local hydrology for a cypress pond located within a relatively flat Coastal Plain pine forest landscape. Assumptions included negligible net regional groundwater flow and radially symmetric local flow impinging on a truncated conical pond, deciduous cypress trees and shallow-rooted perennial undergrowth in the pond area, and pine trees in the upland area as well as within the outer 20% of the wetland area. A minimal observed parameter set of daily rainfall, daily air temperature, soil characteristics, and pond geometry provided model input. The model described temporal patterns of daily pond water and groundwater table elevations with relatively small average signed deviations of -2 and +ll cm, respectively. Potential exists for the model to be utilized as a predictive tool for wetland hydrology, even for conditions where available empirical data for a given site is minimal and appropriate simplifying assumptions are utilized.

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    Citation

    Mansell, R.S.; Bloom, S.A.; Sun, Ge. 2000. A Model for Wetland Hydrology: Description and Validation. Soil Science 2000;165:384-397

    Keywords

    Wetland hydrology, model simulation, cypress pond, evapotranspiration, pine forest

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