Fig. 12-CO, p. 315

1. Fig. 12-CO, p. 315

2. Fig. 12-1a, p. 317

3. Post-Glacial Sea Level Rise 0 0 20 75 40 150 Sea level change (m) from present day 60 Sea level change (ft) from present day 225 80 300 100 375 120 450 140 20 18 16 14 12 10 8 6 4 2 0 Thousands of years ago Fig. 12-1a, p. 317

4. Fig. 12-1b, p. 317

5. Sea Level Projections 80 30 70 25 60 20 50 40 15 Sea level rise (inch) Sea level rise (cm) 30 10 20 5 10 Observations 0 0 −10 −5 1950 1975 2000 2025 2050 2075 2100 Fig. 12-1b, p. 317

6. Fig. 12-2a, p. 318

7. Fig. 12-2b, p. 318

8. Fig. 12-3, p. 319

9. Fig. 12-4a, p. 319

10. Blowhole Headland Sea cliffs Sea stack Sea cave Exposed beach Sea arch Wave-cut platform Sediments Fig. 12-4a, p. 319

11. Fig. 12-4b, p. 319

12. Fig. 12-4c, p. 319

13. Original land surface Sea cliff Wave-cut platform Notch eroded by waves Fig. 12-4c, p. 319

14. Fig. 12-4d, p. 319

15. Fig. 12-5, p. 320

16. Wave crests Wave energy converging on headlands Wave energy diverging Sediment movement Quiet beach Quiet beach Fig. 12-5, p. 320

17. Fig. 12-6, p. 321

18. Fig. 12-7, p. 321

19. Fig. 12-8, p. 322

20. Fig. 12-9, p. 322

21. Fig. 12-10, p. 322

22. Fig. 12-11, p. 323

23. Fig. 12-12, p. 323

24. Table 12-1, p. 324

25. Fig. 12-13, p. 324

26. Shallow-water wave A To shore B Fig. 12-13, p. 324

27. Fig. 12-14, p. 325

28. Back-shore Fore-shore Nearshore (through breakers) Dunes Offshore Beach scarp Berms Berm crest Longshore trough High tide Longshore bars Low tide (dotted line) Fig. 12-14, p. 325

29. Fig. 12-15a, p. 325

30. Fig. 12-15b, p. 325

31. Fig. 12-16a, p. 326

32. Upper limit of wave action Surf zone Longshore current Path followed by sand grains Direction of wave approach Fig. 12-16a, p. 326

33. Fig. 12-16b, p. 326

34. Fig. 12-17, p. 327

35. Fig. 12-18a, p. 328

36. Coastal cell Cliff erosion River input Major river forming a delta Longshore transport Rocky point River input Submarine canyon Sediment entering longshore transport system Sediment movement down continental shelf and slope Sediment transport to ocean basin within a submarine canyon Fig. 12-18a, p. 328

37. Fig. 12-18b, p. 328

38. N Santa Monica Malibu Los Angeles Redondo Long Beach Palos Verdes Huntington Newport Laguna Santa Cruz Island Submarine canyon Oceanside Longshore drift Santa Catalina Island Rocky headlands 50 0 San Clemente Island km Fig. 12-18b, p. 328

39. Fig. 12-18c (1), p. 328

40. W– Cliff Surf zone C+ Beach O+ V+ V– O– Fig. 12-18c (1), p. 328

41. Fig. 12-18c (2), p. 328

42. Fig. 12-19, p. 329

43. Longshore current Sand spit Bay mouth bar Barrier island Bay Inlet Sea island Bay Tombolo Lagoon Beach Fig. 12-19, p. 329

44. Fig. 12-20, p. 329

45. Fig. 12-21, p. 329

46. Fig. 12-22, p. 330

47. Isle of Wight Bay Fenwick Island N Ocean City Ocean City Inlet MARYLAND Upper Sinepuxent Neck Atlantic Ocean Position of shoreline 1980 Assateague Island 1849 Sinepuxent Bay km 0 1 2 0 .62 1.24 mi Fig. 12-22, p. 330

48. Box 12-1a, p. 331

49. Box 12-1b, p. 331

50. Fig. 12-23a, p. 332