Table H7 

 Shoreline and Slope Changes at Jones Beach, N.Y. 





























Survey Dates 





Shoreline 



Change 



(-n) 



-2.84 



Foreshore : 



Slope 



Profile 



First 

 Survey 



-0.047 



Second 

 Survey 



-0.077 





Line 





From 





To 





Change 



2 



10 



Dec 



70 



20 



Dec 



70 



-0.030 



3 



10 



Dec 



70 



20 



Dec 



70 



-8.84 



-0.035 



-0.065 



-0.030 



4 



10 



Dec 



70 



20 



Dec 



70 



-10.40 



-0.085 



-0.062 



0.023 



7 



10 



Dec 



70 



20 



Dec 



70 



-8.46 



-0.078 



-0.055 



0.023 



8 



10 



Dec 



70 



20 



Dec 



70 



0.20 



-0.021 



-0.058 



-0.037 



9 



10 



Dec 



70 



20 



Dec 



70 



9.52 



-0.044 



-0.077 



-0.033 



10 



10 



Dec 



70 



20 



Dec 



70 



-1.14 



-0.160 



-0.080 



0.080 



11 



10 



Dec 



70 



20 



Dec 



70 



8.52 



-0.048 



-0.060 



-0.012 



12 



10 



Dec 



70 



20 



Dec 



70 



-5.97 



-0.017 



-0.071 



-0.054 



13 



10 



Dec 



70 



20 



Dec 



70 



-0.11 



-0.034 



-0.090 



-0.056 



14 



10 



Dec 



70 



20 



Dec 



70 



-5.67 



-0.053 



-0.067 



-0.014 



15 



10 



Dec 



70 



20 



Dec 



70 



-1.40 



-0.056 



-0.070 



-0.014 



16 



10 



Dec 



70 



20 Dec 



70 



6.11 



-0.052 



-0.071 



-0.019 



17 



10 



Dec 



70 



20 



Dec 



70 X 



-13.01 



-0.055 



-0.033 



0.021 



18 



10 



Dec 



70 



20 



Dec 



70 



0.37 



-0.050 



-0.063 



-0.013 



Median 















-1.40 



-0.050 



-0.067 



-0.014 



Trl-Mean 













-2.23 



-0.049 



-0.067 



-0.014 



High Hinge 













0.28 



-0.040 



-0.061 



0.005 



Low Hinge 













-6.41 



-0.056 



-0.074 



-0.032 



Mean 















-2.08 



-0.056 



-0.067 



-0.011 



Standard Deviation 









6.61 



0.034 



0.013 



0.035 



Note: X=Extrapolated Shoreline Intercept 



H18 



