Engineering Geology Final Exam Questions with Correct Answers

Engineering Geology Final Exam Questions with Correct Answers Unsaturated Zone - Correct Answer The area above the water table where pores are mostly filled with air Saturated Zone - Correct Answer The area below the water table where pores are filled with water Capillary Fringe - Correct Answer Separated the saturated and unsaturated zones Overland Flow - Correct Answer The precipitation rate exceeds the infiltration capacity of the ground Interflow - Correct Answer Horizontal movement of infiltrated water in the unsaturated zone Baseflow - Correct Answer Groundwater that is being discharged into a stream Drainage Basin - Correct Answer "an area of land that drains all the streams and rainfall to a common outlet"-USGS -watershed, catchment basin, water/river basin Streamflow - Correct Answer Basic flow rate equation: Q=VA -Q = flow rate, ft^3/sec -V = water velocity, ft/sec -A = cross-sectional area, ft^2 Hydrograph - Correct Answer -Graph showing the time (X) vs. rate of flow, discharge, (Y) in a river, channel, or conduit -Time plotted arithmetically -Discharge may be plotted logarithmically or arithmetically, depending on range -Units: ft^3/sec and m^3/sec -Sometimes a stage hydrograph is used, where instead of rate, the gage height (or stage) is plotted against time Surface Water Problems - Co