GEOG 3000 Study Guide - Final Guide: Evapotranspiration, Acoustic Doppler Current Profiler, Rouse Number
22 Jun 2016
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Document Summary
Anything that"s clay and silt cohesive; everything else is non-cohesive. Sediment transport models and shear stress models grain size distributions. Particle shape and bulk properties packing: d50, strength of materials has something to do with the way they"re arranged, porosity, distribution of grain size and arrangement of grains cubic, hexagonal, rhombohedral. Configuration on bed: armour layer, pebble clusters, and imbrication. Classification of non-cohesive sediment transport: sources, mechanics, and measurement diagram. Hjustrom"s: one of first models developed, only looks at mean velocity and size of particles, only works for a very certain set of condtions, not appropriate to be used. Graph of rolling, saltation, and suspension vs. transport stage: transport stage = u*/u*c shear velocity/critical shear velocity. Different methods of measurement: helli-smith sampler, dgps adcp acoustic dopler current profiler. Only works if bed is not moving. V of bed = velocity from gps velocity of boat tracker (diagram**) Entrainment equations: shield"s parameter not fit to shield"s curve.
