Table 2. 



Total sand volume for beach and foredune cross sections of five 

 study dunes. 



Location 



Volume by survey date (m'^/m) 



STUDY DUNES 



Beach segment 



(MSL to 108 meters) 



Mar. 



Aug. 



Mar. 



Aug. 



Sept. 



Mar. 



1975 



1975 



1976 



1976 



1977 



1981 



Unplanted area 



100, 



.6 



124, 



.4 



120. 



.7 



121, 



.4 



97. 



,6 



122, 



.5 



366-meter sea oats 



100, 



.6 



123, 



.4 



112. 



.9 



116, 



.4 



94. 



,0 



115, 



,1 



Dune-width extension 





1 



120, 



.4 



118. 



,4 



129. 



,4 



78. 



.0 



129, 



.8 



335-meter bitter panicum 



100. 



,8 



112, 



.1 



114. 



.1 



119. 



,9 



83. 



,2 



118, 



.4 



366-meter bitter panicum 



91. 



.6 



106, 



.6 



115. 



.1 



HI. 



.1 



87. 



,8 



126, 



.4 



Avg. 



98. 



.4 



117. 



,4 



116, 



,2 



119. 



,6 



88. 



,1 



122, 



.4 



Foredune segment 



(108 meters to 200 meters) 



Unplanted area 



201. 



.7 



204. 



,2 



211. 



,2 



210. 



.7 



214. 



.6 



240, 



.9 



366-meter sea oats 



219. 



,7 



229. 



.5 



233. 



.5 



237. 



.0 



242 



.5 



264, 



.2 



Dune-width extension 





1 



227. 



.0 



224. 



.0 



245 



.6 



255. 



.6 



296, 



.6 



335-meter bitter panicum 



203. 



,4 



207. 



.9 



215. 



.5 



222. 



,7 



246. 



.8 



233, 



.22 



366-meter bitter panicum 



207. 



.4 



211. 



.7 



209. 



,7 



224. 



.8 



223. 



.4 



251. 



.4 



Avg. 



208. 



,1 



216. 



,1 



218. 



,8 



228. 



,2 



236. 



,6 



257. 



,3 



Total segment 



(MSL to 200 meters) 



Unplanted area 



302. 



,3 



328, 



.6 



331, 



.9 



332. 



.1 



312. 



.1 



363, 



.4 



366-meter sea oats 



320. 



.3 



352, 



.9 



346, 



.4 



353. 



.4 



336. 



.5 



379. 



.3 



Dune-width extension 



323. 



,81 



347, 



.4 



342, 



.4 



375. 



.0 



333. 



,6 



426, 



.3 



335-meter bitter panicum 



304. 



.3 



320. 



.3 



329, 



.6 



342. 



.6 



330. 



.1 



351, 



.6 



366-meter bitter panicum 



299. 



,0 



318. 



,3 



324, 



.8 



335. 



.9 



311. 



,2 



377, 



.8 



Avg. 



309. 



.9 



333. 



,5 



335. 



,1 



347. 



.8 



324. 



.7 



379. 



.7 



Estimated not surveyed in March 1975. 



This apparent sand loss occurred because this dune was breached by Hurricane 

 Allen and one of the two cross sections crossed the dune at the breach. 



22 



