logging in or signing up Biol 6670 Chapter 1 2 Ashton Sp07 Doride Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 91 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: February 06, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Landscapes and Rivers: Landscapes and RiversSlide2: http://wwwaux.cerc.cr.usgs.gov/micra/MRB%20Panel%20on%20ANS.htmSlide5: http://www.recreation.gov/detail.cfm?ID=1906Sediment and Nutrients: Sediment and Nutrients Headwaters to lowlands to oceans Modifying catchment basin and riverscape Processes dictated by climate, geomorphology, etc. http://visibleearth.nasa.gov/view_detail.php?id=1650River characteristics: River characteristicsRiver characteristics: River characteristics http://www.siue.edu/~kschulz/River characteristics: River characteristics Erosive power of streams positively correlated to stream sizeRiverscape characterization: Riverscape characterization http://en.wikipedia.org/wiki/Strahler_Stream_OrderRiverscape theme: Riverscape theme Alternating cut and alluviationNew rivers: New rivers http://www.visitusa.com/idaho/rivers/snake-river.htmOld rivers: Old riversDimensions: Dimensions Four dimensional Longitudinal gradient Terrestrial surroundings Vertical Horizontal TimeAquatic fauna distribution: Aquatic fauna distribution Dynamic system: Dynamic system Cut and fill of sediments Riparian area Flood pulses Biotic responses to dynamic habitat Shifting habitat mosaicSegments, reaches, and units: Segments, reaches, and units Landscape Hillslopes Valleys Colluvial Alluvial Bedrock Channeled Unchanneled Dune-ripple Pool-riffle Plane-bed Braided Step-pool CascadeWhy classify?: Why classify? Describe physical changes over time Group sampling areas for comparison Determine areas for restoration Describe prior to microhabitat use studiesValleys: Valleys Principal subdivision of watersheds Colluvial Unchanneled channeled Alluvial Bedrock http://www.fgmorph.com/fg_5_6.phpChannel reaches: Channel reaches Cascade Step-pool Plane-bed Pool-riffle Dune-ripple Braided Forced http://www.nrcs.usda.gov/technical/land/pubs/wp06text.htmlChannel units: Channel units Rough fast water Smooth fast water Scour pools Dammed pools http://www.carto.net/neumann/mountaineering/mono_lake_sierra_nevada_2003_10/ You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Biol 6670 Chapter 1 2 Ashton Sp07 Doride Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINTLite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 91 Category: Education License: All Rights Reserved Like it (0) Dislike it (0) Added: February 06, 2008 This Presentation is Public Favorites: 0 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Landscapes and Rivers: Landscapes and RiversSlide2: http://wwwaux.cerc.cr.usgs.gov/micra/MRB%20Panel%20on%20ANS.htmSlide5: http://www.recreation.gov/detail.cfm?ID=1906Sediment and Nutrients: Sediment and Nutrients Headwaters to lowlands to oceans Modifying catchment basin and riverscape Processes dictated by climate, geomorphology, etc. http://visibleearth.nasa.gov/view_detail.php?id=1650River characteristics: River characteristicsRiver characteristics: River characteristics http://www.siue.edu/~kschulz/River characteristics: River characteristics Erosive power of streams positively correlated to stream sizeRiverscape characterization: Riverscape characterization http://en.wikipedia.org/wiki/Strahler_Stream_OrderRiverscape theme: Riverscape theme Alternating cut and alluviationNew rivers: New rivers http://www.visitusa.com/idaho/rivers/snake-river.htmOld rivers: Old riversDimensions: Dimensions Four dimensional Longitudinal gradient Terrestrial surroundings Vertical Horizontal TimeAquatic fauna distribution: Aquatic fauna distribution Dynamic system: Dynamic system Cut and fill of sediments Riparian area Flood pulses Biotic responses to dynamic habitat Shifting habitat mosaicSegments, reaches, and units: Segments, reaches, and units Landscape Hillslopes Valleys Colluvial Alluvial Bedrock Channeled Unchanneled Dune-ripple Pool-riffle Plane-bed Braided Step-pool CascadeWhy classify?: Why classify? Describe physical changes over time Group sampling areas for comparison Determine areas for restoration Describe prior to microhabitat use studiesValleys: Valleys Principal subdivision of watersheds Colluvial Unchanneled channeled Alluvial Bedrock http://www.fgmorph.com/fg_5_6.phpChannel reaches: Channel reaches Cascade Step-pool Plane-bed Pool-riffle Dune-ripple Braided Forced http://www.nrcs.usda.gov/technical/land/pubs/wp06text.htmlChannel units: Channel units Rough fast water Smooth fast water Scour pools Dammed pools http://www.carto.net/neumann/mountaineering/mono_lake_sierra_nevada_2003_10/