02/23/2006. Runoff Processes. Slides from Venkatesh Merwade and Suzanne Anderson Reading: Applied Hydrology Sections 5.1 and 5.2. Surface water. Watershed – area of land draining into a stream at a given location Streamflow – gravity movement of water in channels Surface and subsurface flow
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Erosion and weathering control the extent of critical zone development
Weathering front advance
Water, solutes and nutrients
Critical zone architecture influences sediment sources, hydrology, water chemistry and ecology
The Colorado Front Range
The Boulder Creek watershed
Limits of glacial
and fluvial rejuvenation
Slope map draped over shaded relief.
the geomorphic context of Boulder Creek
Middle: steady, old
Anderson et al., 1997, WRR.
Montgomery et al., 1997, WRR
Torres et al., 1998, WRR
i > q
Later studies showed that Hortonian flow rarely occurs on vegetated surfaces in humid regions.