Record Display for the EPA National Library Catalog


OLS Field Name OLS Field Data
Main Title Increasing Water Supplies by Suppression of Reservoir Evaporation.
Author Cro, Franklin R. ;
CORP Author Oklahoma Water Resources Research Inst., Stillwater.
Year Published 1973
Report Number DI-14-31-0001-3036; OWRR-A-014-OKLA; 04558,; A-014-OKLA(1)
Stock Number PB-214 511
Additional Subjects ( Reservoirs ; Evaporation control) ; Cellular plastics ; Heat budget ; Panels ; Polystyrene ; Performance evaluation ; Effectiveness ; Coverings ;
Library Call Number Additional Info Location Last
NTIS  PB-214 511 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 39p
Water supplies in Southwestern reservoirs are seriously affected by evaporation. Chemical evaporation suppressants are only 35% to 40% efficient and are seriously affected by the wind. As an alternative, floating covers of solid or flexible materials offer a practical method of suppressing evaporation on small reservoirs. The study was made on paired experimental ponds to determine the extent to which evaporation losses are reduced by the use of floating solid panels. The principal tests were with floating rafts constructed of 1 inch thick Styrofoam which were found to be highly efficient in suppressing evaporation. Over long periods the Styrofoam had no significant effect on the total thermal energy content of the pond.