Water Retention in (semi) Arid Areas

• MIWR (GONU) & MWRI (GOSS). 2009. Technical Guidelines for the Construction and Management of Improved Hafirs - A Manual for Field Staff and Practitioners. April 2009. Developed in partnership with UNICEF.
  
  Hafirs are rectangular or semi-circular impoundments that store water to be used by both human and livestock population during the dry season.
  
• National Academy of Sciences. 1974. More Water for Arid Lands - Promising technologies and Research opportunities. Washington, D.C. (20MB, pdf)
  
  Little known (1974) but promising technologies for the use and conservation of scarce water supplies in arid areas are the subject of this report.