Soil and water utilization and conservation in the Wadi Tuban watershed area, (People's Democratic Republic of Yemen). Fiyush and Jawala pilot farms. Final design. Bill of quantities

bassin versant eau de ruissellement energia solar evaporation flooding hidrologia humedad relativa hydrologie hydrology inondation measurement mesure meteorological stations precipitation relative humidity runoff water sedimentation solar energy temperatura temperature vent viento watersheds winds