PPT-FLUVIAL

JEOPARDY Riverine amp Coastal Flooding Wild Card Definitions Riverine Coastal Politics 1 2 3 4 5 4 3 2 1 5 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 Definitions 1 XP QUESTION. ; March/April 2013; v. 125; no. 3/4; p. 299 NORMAL CYCLE OF EROSION. BY. . W.M.Davis. 1. A HIGHLY INFLUENTIAL MODEL OF . RELIEF/LANDFORM EVOLUTION AND . EVENTUAL PLANATION . INTRODUCED TO GEOMORPHOLOGY. . BY . WILLIAM MORRIS DAVIS . IN . 1899. 7 Physica LOUIS Cooperative Research Centre for Freshwater Ecology, University of Canberra, Australian Capital Territory 2601, Australia e-mail CHRISTIN & Cooperative Research Centre Ecology, Griffit 9/20/2011. Pattern to Process,. Process to Pattern. Moral of the Day. “Process” occurs when “thresholds” are exceeded in the balance of driving and resisting forces.. Geomorphologic Processes. Salmon River/. Cobequid. Estuary, Nova Scotia. Landward limit of tidal . facies. Seaward limit of fluvial influence. Estuary: a coastal . embayment with mixed marine/fluvial influence. Estuaries have . Rio Solimoes, Brazil synthetic aperture radar Meanders, Sacramento River (transitional) less cohesive banks, moderate coarse sediment Scroll plain Rio Apure, Orinoco Basin A natural river valley I. Most deserts exhibit highly angular landscapes.. . mechanical weathering . dominates (freeze-thaw) . angular particles of weathered rock; bedrock outcrops. little soil or vegetation to soften . Eolian. Processes in Arid Zones. Global Distribution of Arid/Desert . and Semi-arid/Steppe Regions. Types of Deserts. Erg . – Sea . of . Sand. . Largest . are in Sahara and Arabian . Deserts . Sand covers . (Base Level and Accommodation). Aggradation. S. ediment . is deposited. Incision. Sediment is eroded. At equilibrium, river follows . graded profile. controlled by elevation of source area and . base . Development of analytical tools for classification and assessment of riparian ecosystems in northwest Oregon   Steve Acker Northwest Oregon Ecology Group Willamette National Forest Previous riparian vegetation classifications for NW Oregon Deserts & Winds: Fluvial and Eolian Processes in Arid Zones Why Do Deserts Exist? Desert – any spot on Earth that receives less than 25 cm (10 in) rain per year Semi-desert – 25-50 cm (10-20 in) near tvegetation This description suggests that they fall in the hammock classification In addition residual features of sediment accumulation were identified ine and fused to the mainland at one end OU11 of the California Gulch National Priority Site. Leadville, Colorado – Gold . Rush Days (1859-1880). Confluence of California Gulch and Arkansas River. . OU11. Fluvial Tailings . V-shaped valley and interlocking spurs. Rapids and waterfalls. Potholes. Landform of . deposition:. Braided channels . Upper course. Vertical erosion is the dominant process. River channel narrow and shallow, often lined with large angular boulders.