Table 4. Change in above MSL sand volume (m /m) averaged 

 over each reach between the dates indicated. 





Survey date 



Reach 







Before 



After 



Lockwoo 



ds Folly 



Central 



Shallotte 



Year 



Mean 



3td. dev. 



Mean 



Std. dev. 



Mean Std. dev. 



1970 



12 Nov. 



14 Dec. 



- 2.60 



6.38 



9.81 



4.44 



9.07 



11.12 





14 Dec. 



14 Jan. 



- 7.88 



11.87 



- 2.11 



5.62 



12.41 



9.85 



1971 



14 Jan. 



8 Feb. 



6.37 



20.77 



-11.04 



4.30 



- 1.89 



7.66 





8 Feb. 



9 Mar. 



23.95 



54.83 



- 1.31 



4.27 



4.59 



5.73 





9 Mar. 



8 Apr. 



-13.17 



2.73 



5.16 



7.38 



10.17 



8.16 





8 Apr. 



10 May 



- 7.67 



7.65 



- 0.66 



6.90 



1.61 



4.61 





10 May 



7 June 



- 0.42 



1.50 



6.14 



5.55 



0.43 



5.13 





7 June 



9 Aug. 



2.38 



5.95 



5.00 



4.10 



- 2.20 



6.75 





9 Aug.^ 



31 Aug. 



11.14 



10.11 



- 2.17 



5.41 



2.47 



10.57 





31 Aug. 



6 Oct. 



13.18 



13.71 



- 4.20 



7.73 



1.24 



20.80 





6 Oct. 



14 Dec. 



1.27 



9.46 



- 5.09 



10.48 



-15.58 



20.42 





14 Dec. 



3 Jan. 



- 5.81 



1.46 



- 4.69 



3.07 



- 0.31 



2.13 



1972 



3 Jan. 



8 Feb. 



4.31 



6.71 



3.14 



3.43 



0.83 



8.85 





8 Feb. 



20 Mar. 



- 2.17 



7.51 



- 4.21 



5.64 



34.83 



77.26 





20 Mar. 



13 Apr. 



- 5.57 



8.06 



- 0.11 



4.13 



-28.50 



63.68 





13 Apr. 



9 June 



- 0.24 



3.00 



8.05 



6.60 



-11.56 



6.43 





9 June 



25 June 



- 8.04 



2.78 



- 5.29 



4.39 



- 6.52 



6.57 





25 June 



5 Aug. 



-13.16 



20.87 



6.07 



4.45 



8.88 



13.06 





5 Aug.l, 



29 Sept. 



22.29 



29.30 



7.89 



5.04 



7.64 



11.65 





25 Sept.-' 



11 Dec. 



4.40 



18.21 



- 8.71 



3.52 



1.91 



4.81 





11 Dec. 



15 Jan. 



10.35 



11.13 



0.14 



3.93 



4.75 



10.23 



19 73 



15 Jan. 



15 Feb. 



- 1.28 



8.92 



- 2.11 



2.84 



- 6.64 



11.13 





15 Feb. 



15 Mar. 



1.80 



2.90 



1.79 



3.72 



- 0.87 



8.11 





15 Mar. 



28 Mar. 



- 2.17 



4.12 



- 2.20 



4.44 



5.92 



8.16 





28 Mar. 



13 Apr. 



- 2.18 



4.00 



- 8.15 



4.62 



2.33 



4.82 





13 Apr. 



14 June 



0.34 



10.72 



8.91 



5.38 



2.30 



7.02 





14 June 



12 July 



- 1.67 



7.35 



7.74 



3.55 



3.07 



8.71 





12 July 



9 Aug. 



- 6.43 



4.82 



- 1.79 



5.09 



3.81 



4.08 





9 Aug.l 



8 Oct. 



23.63 



8.72 



- 1.60 



9.372 



- 8.78 



12.33 





8 Oct. 



5 Dec. 



4.59 



6.98 



0.57 



6.40^ 



0.86 



18.10 





5 Dec. 



7 Jan. 



- 2.02 



3.26 



- 3.86 



7.95^ 



9.21 



9.08 



19 74 



7 Jan. 



4 Feb. 



0.91 



12.11 



1.85 



6.66 



3.26 



5.39 





4 Feb. 



4 Mar. 



-13.85 



1.26 



- 5.79 



7.37 



4.96 



1.02 





4 Mar. 



1 Apr. 



10.93 



9.58 



1.05 



3.97 



1.74 



7.26 





1 Apr. 



30 May 



- 2.01 



6.32 



4.18 



4.83 



15.63 



1.05 





30 Mayl 



16 Aug. 



38.25 



62.01 



1.23 



5.08 



0.69 



13.14 





16 Aug. 



30 Sept. 



-19.15 



20.49 



1.96 



2.80 



9.29 



7.80 





30 Sept. 



3 Dec. 



-14.64 



25.23 



-15.03 



4.25 



- 7.40 



7.31 



Beach nourishment at profile line 2 during interval. 



2 



Profile line 11 missing. 

 3 



Profile lines 11 and 17 missing. 

 4 



Profile line 17 missing. 



33 



