Table 2. Total sand volume for beach cross sections. 



Location 



Volume by survey date, yd (m ) 





Mar. 1975 



Aug. 1975 



Mar. 1976 



Aug. 1976 



Beach segment 



CMSL to 35 S ftl 



Unplanted area 



40.1(30.7) 



49.6(37.9) 



48.1(36.8) 



48.4(37.0) 



1,200-ft sea oats 



40.1(30.7) 



49.2(37.6) 



45.0(34.3) 



46.4(35.5) 



Dune-width extension 



1 



48.0(36.7) 



47.2(36.1) 



51.6(39.5) 



1,100-ft bitter panicum 



40.2(30.7) 



44.7(34.2) 



45.5(34.8) 



47.8(36.5) 



1,200-ft bitter panicum 



36.5(27.9) 



42.5(32.5) 



45.9(35.]) 



44.3(33.9) 



Avg. 



39.2 



46.8 



46.3 



47.7 



Foredune segment 

 (336 to 655 ft) 



Unplanted area 



80.4(61.5) 



81.4(62.2) 



84.2(64.4) 



84.0(64.2) 



1,200-ft sea oats 



87.6(67.0) 



91.5(70.0) 



93.1(71.2) 



94.5(72.3) 



Dune-width extension 



1 



90.5(69.2) 



89.3(68.3) 



97.9(74.9) 



1,100-ft bitter panicum 



81.1(62.0) 



82.9(63.4) 



85.9(65.7) 



88.8(67.9) 



1,200-ft bitter panicum 



82.7(63.2) 



84.4(64.5) 



83.6(63.9) 



89.6(68.5) 



Avg. 



83.0 



86.1 



87.2 



91.0 



Total segment 

 (MSL to 655 ft) 



Unplanted area 



120.5(92.2) 



131.0(100.1) 



132.3(101.2) 



132.4(101.2) 



1,200-ft sea oats 



127.7(97.7) 



140.7(107.6) 



138.1(105.6) 



140.9(107.8) 



Dune-width extension 



1 



]38.5(105.9) 



136.5(104.4) 



149.5(114.4) 



1,100-ft bitter panicum 



121.3(92.7) 



127. 7( 97.6) 



131.4(100.5) 



136.6(104.4) 



1,200-ft bitter panicum 



119.2(91.1) 



126. 9( 97.0) 



129. 5( 99.0) 



133.9(102.4) 



Avg. 



122.2 



133.0 



133.6 



138.7 



Not surveyed in March 1975. 



20 



