Conversion Factors, Non-SI to SI Units of Measurement - CHL-TR-01-26-10010Introduction - CHL-TR-01-26-10011Project SettingFigure 1. Location map showing main geographic features of Chatham areaCoastal processesFigure 2. Cyclic change in Chatham shoreline since 1770s (after Giese 1988)ProblemProblem cont'dMethods - CHL-TR-01-26-10018Aerial Photographs of Chatham Inlet and HarborShorelineFigure 3. Morphologic features of the ebb and flood shoals, channel center line and shortlines associated with Chatham Inlet.Bathymetry - CHL-TR-01-26-10022Figure 4. Bathymetry of portions of Chatham inlet collected in November, 1987Figure 4. (concluded)Inlet Throat, Shoreline, and Channel EvolutionFigure 5. Preinlet morphology of Chatham Harbor, 20 October 1982Figure 6. Postinlet morphology of Chatham Harbor, 7 May 1987Figure 7. Morphology of Chatham Harbor, 5 May 1988Morphologic evolution of inlet 1987 - 1999 cont'd - CHL-TR-01-26-10029Figure 8. Morphology of Chatham Harbor, 23 May 1989Figure 9. Morphology of Chatham Harbor, 15 August 1990Figure 10. Morphology of Chatham Harbor, 31 December 1991Figure 11. Morphology of Chatham Harbor, 22 May 1992, with south spit attatchment to mainland beachFigure 12. Morphology of Chatham Harbor, 25 June 1993Figure 13. Morphology of the Chatham north flood shoal based on a model of Hayes (1975)Figure 14. Morphology of Chatham Harbor, 8 August 1994Figure 15. Morphology of Chatham Harbor, 20 May 1995, with two ebb channelsMorphologic evolution of inlet 1987 - 1999 cont'd - CHL-TR-01-26-10038Figure 16. Morphology of Chatham Harbor, 27 March 1996Figure 17. Morphology of Chatham Harbor, 27 June 1997Figure 18. Morphology of Chatham Harbor, 2 July 1998Figure 19. Morphology of Chatham Harbor, 15 July 1999Channel and Inlet Throat ChangesFigure 20. Temporal change in inlet throat width and position of ebb channels with repsect to original beach locationMainland Shoreline SegmentsFigure 21. Change map of ebb channel center linesSeawallFigure 23. Mainland shoreline change in seawall area (Claflin Landing to Holway Street)Chatham LighthouseFigure 24. Mainland/South Beach shoreline change along the ChathamFigure 25. Mainland/South Beach shoreline change along Toms Neck (Chatham Lighthouse to Morris Island)Ebb and Flood Shoal EvolutionOceanside.Analysis MethodsChange in Area of the Shoals and Adjacent SpitsEbb Shoal/Swash Platform ComplexEstimated Volume Change of the Inlet Shoals and Adjacents SpitsFigure 26. Map of growth in area of ebb shoal/swash platformFigure 27. Postbreach area changes to ebb shoal/swash platformFigure 29. Map of area change to north spit. Line identifies common northern limit of area measurement Figure 30. Area change from prebreach to 1999 of north spitSouth Spit/South BeachFigure 32. Map of area change to initial recurving south spit and final South Beach land bridge.Figure 33. Area change from prebreach to 1999 of south spit/South BeachFigure 35. Map of area change to south flood shoal. Solid area shows preinlet remnant shoalFigure 36. Area change from prebreach shoal to 1999 south flood shoalFigure 38. Map of area change in remnant south sand flat. Solid area shows pre-inlet remnant shoal Tern Island and Tern Island South ShoalFigure 39. Area change from prebreach to 1999 to remnant south sand flatFigure 41. Map of area change to Tern Island and Tern Island south shoalFigure 42. Area change from prebreach to end of studyFigure 43. Estimate of volume changeFigure 44. Map of change in north flood shoal (continued)Figure 44. (concluded)Figure 45. Area change from prebreach to 1999 in north flood shoalNorth Flood Shoal cont'dCHL-TR-01-26-1