Name: Date: Geology 12: Surface Processes and the Hydrosphere Review Part A: Multiple Choice Stream Erosion 1) Which one of the following does not apply to stream turbulence and average velocity? A) channel shape; bed roughness B) laminar flow; dissolved load C) discharge; stream gradient D) stream gradient; channel roughness Answer: B 2) ________ describes the amount of water flowing past a certain point at any given time. A) Capacity B) Discharge C) Competence D) Hydro-load factor Answer: B 3) ________ describes the maximum solid particulate sediment load transported by a stream. A) Capacity B) Discharge C) Competence D) Hydro-load factor Answer: A 4) Which of the following features characterize wide streams and valleys? A) natural levees; broad floodplains B) rapids; channel bed potholes C) waterfalls; entrenched meanders D) V-shaped valley cross-sections Answer: A 5) Which one of the following best fits with floodplain widening? A) youthful stream; downcutting and waterfall retreat B) old age stream; rapid erosion of a delta C) mature stream; lateral cutting and point bar deposition D) stream rejuvenation; downcutting and meandering Answer: C
Name: Date: Geology 12: Surface Processes and the Hydrosphere Review Part A: Multiple Choice Stream Erosion 1) Which one of the following does not apply to stream turbulence and average velocity? A) channel shape; bed roughness B) laminar flow; dissolved load C) discharge; stream gradient D) stream gradient; channel roughness Answer: B 2) ________ describes the amount of water flowing past a certain point at any given time. A) Capacity B) Discharge C) Competence D) Hydro-load factor Answer: B 3) ________ describes the maximum solid particulate sediment load transported by a stream. A) Capacity B) Discharge C) Competence D) Hydro-load factor Answer: A 4) Which of the following features characterize wide streams and valleys? A) natural levees; broad floodplains B) rapids; channel bed potholes C) waterfalls; entrenched meanders D) V-shaped valley cross-sections Answer: A 5) Which one of the following best fits with floodplain widening? A) youthful stream; downcutting and waterfall retreat B) old age stream; rapid erosion of a delta C) mature stream; lateral cutting and point bar deposition D) stream rejuvenation; downcutting and meandering Answer: C