الملخص
The research includes an analytical study to reduce evaporation in lake Qattinah by proposing two solutions that depend on reducing the surface of the lake using two blocks separating the shallow parts from the deep parts of the lake area. We estimated evaporation in both solutions depending on the geographic information system program(GIS) after calculating the partial areas and the corresponding storage volumes to each solution and evaporation was reduced in both solutions from 75.7)M.m^3/year( to about (16.36M. M / year) in the first proposed solution ( The block / I / ) and about (26.5 M.m^3/year) in the second proposed solution ( The block / II / ), and the corresponding storage volume was (50.3 M.m^3) in the first proposed solution (the block / I / ) and (78.5 M.m^3) in the second proposed solution (The block / II / ), which is a volume that does not meet the water demands of the Qattinah Dam except In the event that the irrigation network of Hama is separated from the irrigation network in Homs, and the efficiency of the network is increased by using modern irrigation methods (sprinkling and drip).