CE652. Irrigation & Draining Works (ects: 3) Irrigation Soil and water. Soil characteristics and water-soil interaction phenomena. Flow of water into soil. Darcy's law. Flow in water saturated soil. Ģethods for measuring hydraulic conductivity of soil. Unsaturated flow. Water energy diagrams. Hysteresis phenomena. Water infiltration into soil. Measurement of soil infiltration rate. Soil crop water. Soil moisture and water content of soil. Available water content and field capacity. Permanent wilting point. Root zone. Water consumption by plants. Evapotranspiration and estimation methods. Draining Introduction. Types and classification of land reclamation works. Protection and exploitation of water resources. Construction of drainage, flood-preventing and basic levelling works. Economization and exploitation of surface run-off; construction of water storage and water distribution systems: fountains, pumps, lake-basins, control and flow regulating basins and tanks, canals, gravity and compression pipes and flow measurement devices (weirs, Parshal and cut-throat flumes etc). Recharge of aquifers. Improvement of land resources. Small scale land reclamation works in mountain areas for the economization /management of water resources and the exploitation of surface run-off.