SWES 200, Jan 29, 2008 Name Row, seat ________ QUIZ 2DUE Thursday, Jan 31 in classI.Define the following terms.Ud (formative element): ‘udic’ - of humid climatesAqu (formative element): associated with wetness; waterTorr (formative element): usually dry; hot and dryUst (formative element): ‘ustic’ - in dry climates, usually hot in summerXer (formative element): ‘xeric’ - dry summers, moist winters42Gyps formative element): presence of gypsic (gypsum CaSO 2H O) horizon.Fluv (formative element): floodplains, rivers3Calc (formative element): presence of calcic (calcium carbonate CaCO ) horizonAlb (formative element): presence of an albic (whitish or bleached) horizonMesic: moderate soil temperature regime (with a mean annual temperature of 8 - 15 C)oBt horizon: subsurface horizon with an accumulation of clay (an argillic horizon)Bkm horizon: subsurface horizon with an accumulation of carbonates and claysBA horizon: transition horizon between A & B; properties more like the B horizon than the A horizonE horizon: subsurface horizon of maximum eluviation (leaching) of clays, Fe or Al oxides, OM, etc.
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This test prep was uploaded on 04/03/2008 for the course SWES 200 taught by Professor Walworth during the Spring '08 term at Arizona.