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4) Explain counter-current flow and its importance to aquatic species. (short answer please)
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- Answer the following questions: 1.) How does wind, evaporation and tide in fluence the distribution of salinity in the estuary? 2.) Why is it a problem to the animals lacking siphons to live in the sediment? List two problems.Explain what would happen if: There is excessive growth of algae in a waterbody.Summarize the water issue concerning the Catawba River. (NOTE – A summary is not one sentence!)
- Which of the following does not vary predictably with the depth of the aquatic environment? a. dissolved oxygen c. penetration by sunlight b. temperature d. salinity15.In each station’s tide chart in Figure 2, water levels are plotted on the vertical axis with time in hours plotted along the horizontal axis. The smooth blue curve represents the predicted tide based on combined partial tides. The green residual curve is the actual observed tide. The first labeled time indicated on these graphs is 00:00 (midnight) local time for the day _________ November 2018.a.26b.27c.28d.291. What is the importance of Carbonate/Bicarbonate buffer system forthe oceans. What would happen if the amount of CO2 in the atmosphere were to sharplyrise? Explain. 2. What is the difference between molarity and normality? Explain 3. Explain the differences between Type I, Type II, and Type III sedimentation. 4. Explain how to conduct a jar test to obtain an optimum coagulant dose. 5. What is the purpose of the water treatment? Explain. 6. What is the difference between laminar and turbulent flow? Explain. 7. List the four categories used to describe drinking water quality 8. Define head loss and briefly explain why calculating head loss is important for filterhydraulics.
- Explain the environmental issues that would most likely arise from the water transfer.CASE STUDY CONNECTION California’s governor has put you in charge of water policy for the state. Aquifers beneath the state have been overpumped, and many wells have run dry. Agricultural production in the state is down, and farmers are clamoring for you to do something. Meanwhile, more water is needed for burgeoning urban populations in cities such as Los Angeles and San Francisco. What policies would you consider to restore California’s water supply? Would you try to take steps to increase supply, decrease demand, or both? Explain why you would choose such policies.Discuss three significant impacts of acid deposition on freshwater and forest ecosystem
- Give 3 disadvantages of using a demand fish feeder.56. In the figure below, which zone is expected to have the highest infiltration rate? Why (give two reasons)? Zone C Zone A Zone B 62 D=1.32A river reached a flood that was passing through it. At a given instant, the storage of water in the reach was estimated as 20 Ha-m. What would be the storage in the reach after an interval of 3 hours, if the average inflow and outflow during the time period are 15 cubic meter per second and 10 cubic meter per second, respectively?