Hyporheic Zone- area where stream water and ground water intermix. .

Hyporheic Zone- area where stream water and ground water intermix.

http://www.bgs.ac.uk/research/groundwater/images/Hyporheic_USGS_v2.jpg

Diagram of drainage basin and related sediment occurencesChurch, 2002, Geomorphic Thresholds in Rivers

Church, 2002, Geomorphic Thresholds in Rivers

Landslide into Nooksack Riverhttps://mbvrc.files.wordpress.com/2013/07/p1080595-rsz-mark.jpg

Scour occurs around objects in a river, such as bridge supports.http://www.aboutcivil.org/imajes/local-scour.gif

3D model of sediment scour behind objects in a riverhttp://www.flow3d.com/wp-content/uploads/2014/03/sediment-scour-model1.jpg

(A)showing a site 2km below Elwha Dam before removal. (B) is the same site after dam removal.(C)showing a site 7.2km below Elwha Dam before removal. (D) is the same site after dam removalDraut and Ritchie, 2014, Sediment Response to Elwha Dam Removal

(A) Post-dam-removal sedimentary deposits on the Elwha River 2.15km downstream of dam. (B) Pre-dam-removal of cobble bed filling intersitial spaces with mud.Draut and Ritchie, 2014, Sediment Response to Elwha Dam Removal

Draut and Ritchie, 2014, Sediment Response to Elwha Dam Removal

(a) Surface erosion from a road. (b) Mass-wasting. (c) Bank ErosionWashington Dept. Forestry, 2004, Stream Processes and Habitat

Washington Dept. Forestry, 2004, Stream Processes and Habitat

Washington Dept. Forestry, 2004, Stream Processes and Habitat

Washington Dept. Forestry, 2004, Stream Processes and Habitat

Types of Channel Habitat

Types of Channel Habitat