Regional Guidebook for Applying the Hydrogeomorphic Approach to Assessing the Functions of Flat and Seasonally Inundated Depression Wetlands on the Highland Rim
ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS ENVIRONMENTAL LAB
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The Hydrogeomorphic HGM Approach is a collection of concepts and methods for developing functional indices and subsequently using them to assess the capacity of a wetland to perform functions relative to similar wetlands in a region. The approach was initially designed to be used in the context of the Clean Water Act Section 404 Regulatory Program permit review sequence. This Regional Guidebook a characterizes the Depression and Flat wetlands within the Highland Rim and Pennyroyal Major Land Resource Area, b describes and provides the rationale used to select functions for the Depression and Flat wetland subclass, c describes model variables and metrics, d describes the development of assessment models, e provides data from reference wetlands and documents their use in calibrating model variables and assessment models, and f outlines protocols for applying the functional indices to the assessment of wetland functions.
- Geology, Geochemistry and Mineralogy
- Hydrology, Limnology and Potamology