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Influence of multi-scale hydrologic controls on river network connectivity and riparian function
Citation:
WIGINGTON JR, P. J. AND S. G. LEIBOWITZ. Influence of multi-scale hydrologic controls on river network connectivity and riparian function. Presented at Riparian Ecosystems IV: Advancing Science, Economics and Policy, Denver, CO, June 27 - 29, 2012.
Impact/Purpose:
The ecological functions of rivers and streams and their associated riparian zones are strongly influenced by surface and subsurface hydrologic routing of water within river basins and river networks.
Description:
The ecological functions of rivers and streams and their associated riparian zones are strongly influenced by surface and subsurface hydrologic routing of water within river basins and river networks. Hydrologic attributes of the riparian area for a given stream reach are typically a function of hydrological controls operating at multiple scales ranging from geologic controls of groundwater routing at the basin scale to the influence of alluvium in riparian areas and floodplains on hyporheic exchange at the reach scale. In this talk, we present a conceptual framework to account for these multi-scale hydrologic influences. Illustrations about multi-scale hydrologic influences on river network connectivity and riparian function will be drawn from a range of studies in the Pacific Northwest, including a recently developed hydrologic landscape classification system for Oregon.