Seepage and Evaporation Evaluation of Scarp-VI, Rahim Yar Khan

Abstract

A project Salinity Control and Reclamation Project (SCARP) was launched in Cholistanand Bahawalpur division to increasing agricultural production. This project was launched by WAPDA in 1981 and completed in 1989. On its completion it was handed over to Irrigation Department, Government of Punjab and later in 1992 it was placed under supervision of Pak army to utilize the evaporation ponds for defence purpose. The project with collaborationof Pak Army and Irrigation Department is not only reclaiming 1.34 Million Acre of land of Channi Goth, Feroza, Liaqatpur, Khanpur, Sadiqabad and Manthar but also maintaining an Evaporation Pondage area (water obstacle), of 104 KMs length. The research work is divided into two major phases. First phase incorporates the geotechnical analysis of SCARP-VI. Seepage analysis of twomajor drains hasbeen performed for examining the effect drains seepage on water logging in neighboring areas. The seepage analysis has been performed with the help of computer software GeoStudio SEEP/W 2018 R2. Sustainability of the pondage area located near the international borderis evaluated in the second phase of research. Additionally, it includes the development and the assessment of area in subsequent years after the commencement of the project since its beginning. Various techniques to reduce evaporation in the ponds have also been discussed in the research work.