ESCI 243 Quiz 2 1. If you have the Snoqualmie River with no glaciers and the Nooksack River with glaciers, which is going to be true? A) Snoqualmie higher runoff in winter B) Snoqualmie River higher runoff in summer C) Nooksack higher flow in summer D) Nooksack declining flow through the summer 2. What is the result of the disintegration of the Larsen Ice Shelf? A) Immediate sea level rise B) Slowing of glacier system C) Acceleration of feeder glaciers 3. Glaciers in what regions are in danger of disappearing? A) Patagonia B) Africa C) Peruvian Andes D) Alps 4. All North Cascade glaciers are retreating at present, when did this retreat begin? A) 1980 B)1955 C)1995 D) 1970 5. Which is a key global warming impact on North Cascade glaciers, could be more than one? A) Reduction in summer streamflow B) Increase in winter flood potential C) Loss of 20% of glaciers in next 50 years D) Loss of 65% of all glaciers in the next 50 years. 6. What type of stream floods significantly A) Braided B) Meandering C) Valley D) Estuary 7. Urbanization alters flooding how? A) Reduces the peak flow volume B) Increases the maximum water level C) Funnels water off streets into storm sewers that hold it reducing flooding D) Speed flow through the Storm sewer network raising flooding. 8. Which factors raise flood danger. A) storm sewers B)Forest Cover C) Wetlands D) clay soils 9. How is the Colorado River not meeting the Clean Water Act? A) Too much soil erosion B) Lack of streamflow C) Too many aquatic plants D) Flow level manipulation. 10. In this graph what is causing the change in flow? What percent has it increased from 10/10-10/15, what percent has it decreased from 10/15-10/18.