ESCI 502
Reading Quiz 03
Davis and Fitzgerald, Chapters 14 & 15
Due: 20 September 2016
Name:
Chapter 14. Coastal Wetlands
1. What are coastal wetlands?
2. What distinguishes salt marshes from mangrove swamps?
3. What demarcates the extent of salt marshes and mangroves?
4. What relative elevations are typical of (a) low salt marshes, (b) high salt
marshes, and (c) mangroves?
5. Name two types of plants, one found in low marshes and one high marshes.
6. List three characteristics that determine the nature of salt marsh
environments.
7. What are the three main ways that salt marshes are classified?
8. What type of sediments are found within salt marshes?
9. Do the plants in salt marshes promote or discourage sedimentation?
10. What sediments are usually found in tidal channels?
11. Is there much organic material associated with the sedimentary material
found in salt marshes? Is this important to carbon fluxes and climate
change?
12. Can mangrove forests tolerate large temperature changes? Where can
mangroves be found geographically on the planet?
Chapter 15. Estuaries
13. What is an estuary?
14. What distinguishes estuaries from deltas?
15. Name three ways estuaries might be formed.
16. Are estuaries sources or sinks for sediments?
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17. What is brackish water?
18. Is fresher water lighter or heavier than saltier water?
19. What is meant by (a) stratified, (b) partially-mixed, and (c) well-mixed
estuarine environments?
20. Do river-dominated estuaries typically have more or less mud than tidal
dominated estuaries?
21. Are rivers or oceans modulated by (a) runoff and precipitation, (b) regular
variations due to tides?
22. List three characteristics of tide-dominated estuaries.
23. List three characteristics of wave-dominated estuaries.
24. Where are the muddier sediments found in most estuaries
25. What is a “Bayhead” delta?
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