Table 45. Comparison of soil moisture and soil salinity at 6-inch depth on Padre Island. 



1973 



Percent moisture 



Irrigated 



Nonirrigated 



Salinity (fimho/cm) 



Irrigated 



Nonirrigated 



North Padre (beach) 



9 Feb. 



16.2 



8.2 



250 



80 



13 Feb. 



20.3 



15.2 



200 



300 



19 Feb. 1 



21.1 



22.4 



3,000 



5,500 



4 Mar. 



19.8 



16.0 



280 



1,850 



17 Mar. 



15.3 



17.8 



315 



1,150 



14 Apr. 2 



11.8 



14.2 



1,320 



2,130 



24 Apr. 3 



22.4 





2,125 







28 Apr. 







450 



2,025 



14 May 



17.3 



18.4 



883 



1,116 



15 June 



19.1 



20.5 



64 



174 



South Padre (2-foot sand fence elevated dune) 



1. Surge inundated site on 17 and 18 February. 



2. Surge inundated site on 7 April. 



3. Surge inundated site on 20, 21, and 22 April. 



13 Feb. 



20.3 



15.2 



200 



300 



7 Mar. 



8.0 



3.0 



125 



50 



31 Mar. 



4.9 



2.3 



230 



72 



29 Apr. 



9.0 



2.8 



516 



482 



12 May 



3.6 



2.2 



334 



65 



31 May 



2.8 



2.0 



225 



400 



24 June 



7.6 



9.6 



43 



40 



134 



