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EBS 506: Special Topics Estuarine Turbidity Maximum Lecturer: Antonio Baptista

EBS 506: Special Topics Estuarine Turbidity Maximum Lecturer: Antonio Baptista. Lecture 2. Course structure. Typically, three parallel “activities” in each class. Discussion of an ETM paper (~1h). Lecture on supporting fundamentals or tools (~40min).

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EBS 506: Special Topics Estuarine Turbidity Maximum Lecturer: Antonio Baptista

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  1. EBS 506: Special TopicsEstuarine Turbidity MaximumLecturer: Antonio Baptista Lecture 2

  2. Course structure • Typically, three parallel “activities” in each class Discussion of an ETM paper (~1h) Lecture on supporting fundamentals or tools (~40min) Activity towards understanding Columbia River ETM • Summary presentation (10 min • Open discussion (40 min) • Umbrella questions (10 min) • Contextual forcing, dynamics and governing equations • ETM sources and characteristics • Observation and prediction tools • ETM experiments and analyses • Part of lecture (occasionally) • Homework assignments (typically)

  3. Lecture 2 • Discussion: Lin and Kuo 2003 • Context for understanding the Columbia River ETM: a brief introduction to the river-to-ocean system and to the SATURN/CORIE observatory (conclusion) • Introduction to governing equations

  4. Framing the course: umbrella questions • What are ETMs? • Where do ETMs occur? • What causes ETMs? • Why are ETMs important? • How can ETMs be observed/modeled? • How do ETMs vary in time? • How do ETMs affect microbial communities, estuarine productivity and fisheries ? • How are ETMs affected by climate and human activities? • What do ETMs look like in the Columbia River estuary?

  5. Discussion of Lin and Kuo 2003 A model study of Turbidity Maxima in the York River Estuary, Virginia Introduction Method Results Prototype simulations Diagnostic analysis Analysis of mechanisms Summary and discussion Map Figures Tables

  6. The York River • a navigable estuary on the west side of Chesapeake Bay • approximately 64 km long • ranges in width from 1.6 km at its head to 4 km near its mouth Chesapeake Bay http://en.wikipedia.org/wiki/York_River_(Virginia)

  7. Figure 1 “The model has 8 vertical layers, which divide the local water depth equally” pg. 1270

  8. Figure 2

  9. Figure 3

  10. Figure 4

  11. Figure 5

  12. Figure 6

  13. Figure 7

  14. Figure 8

  15. Figure 9

  16. Figure 10

  17. Figure 11

  18. Equation 1

  19. Equations 2 and 3

  20. Equation 4

  21. Equations 5 and 6

  22. Equation 7 • Convergence of bottom residual flow • Tidal asymmetry • Inhibition of turbulent diffusion by stratification • Local erosion

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