Table 19. Soil salinity at the surface and at 6 inches from three locations on artificial dunes on Padre Island. 



North Padre 



South Padre 



1973 



Beach toe 



Center of dune 



Bay 



toe 



1973 



Beach toe 



Center of dune 



Bay toe 









6 







6 







6 





| 6 



| 6 



| 6 





(inches) 



(inches) 



(inches) 





(inches) 



(inches) 



(inches) 



9 Jan. 



46 



64 



38 



61 



42 



108 



7 Jan. 



122 



78 



85 



75 



90 



87 



19 Feb. 



150 



240 



103 



198 



108 



82 



17 Feb. 



61 



132 



44 



83 



55 



105 



15 Mar. 



758 



107 



261 



121 



505 



64 



29 Mar. 



1110 



58 



410 



70 



440 



56 



14 Apr. 



1790 



124 



1440 



358 



804 



79 



29 Apr. 



1540 



72 



1270 



469 



651 



278 



13 May 



1263 



1168 



962 



1100 



497 



691 



31 May 



1580 



180 



800 



322 



418 



299 



14 June 



123 



40 



65 



115 



88 



44 



23 June 



51 



50 



50 



63 



49 



67 



16 July 



2760 



89 



1044 



87 



363 



74 



28 July 



306 



67 



251 



69 



248 



67 



19 Aug. 



105 



187 



74 



99 



115 



60 



Aug. 2 







----- 













18 Sept. 



83 



38 



50 



32 



95 



99 



12 Sept. 



2994 



320 



293 



49 



356 



49 



20 Oct. 



133 



37 



48 



28 



446 



93 



26 Oct. 



4820 



490 



222 



56 



753 



53 



18 Nov. 



546 



181 



168 



76 



1430 



69 



21 Nov. 



1098 



368 



372 



227 



270 



55 



17 Dec. 



2110 



121 



411 



35 



2530 



102 



14 Dec. 



1525 



214 



746 



110 



966 



3 



1. Soil salinity (/Umho/cm, using a 1 :2 solution of dry sand-distilled water at 72 Fahrenheit). 

 Each monthly collection is the mean of five samples from fixed stations. 



2. No samples taken. 



82 



