Abstract:
This research concern the use of (HDPE geomembrane) to lined the inside of the (Hafir) to prevent the water from emerging in the ground.
The research is done practically and braved positively. Also it put some solution for water evaporation and put some suggestions for treatment the water inside the Hafir in chemical and physical ways.
The use of (geomembrane) in Sudan is a new technology, not use much. So this research is the first guide for solving water problem.
