HYDROLOGY ATMOSPHERE 1 ATMOSPHERIC MOISTURE 1 BUDDING 1 CANAL IRRIGATION 1 CANAL REGULATION 1 CANAL REGULATOR 1 CLIMATE CHANGE 1 CONTROL OF WIND EROSION 1 CROPS 1 CROSS DRAINAGE WORKS 1 DAMS 1 DISTRIBUTION SYSTEM 1 DROUGHT 1 GROUND WATER 1 HEAD WORKS AND CANAL STRUCTURES 1 INUNDATION IRRIGATION 1 IRRIGATION ENGINEERING 1 LAND CAPABILITY CLASSIFICATION 1 METHODS 1 MINOR IRRIGATION 1 PREVENTION AND CONTROL GULLIES 1 RESERVOIRS AND STORAGE DAMS 1 RIVER REGIME 1 SOIL 1 SOIL EROSION 1 SOIL-WATER RELATIONS 1 SOLAR RADIATION 1 SORCES OF SUPPLY 1 SPILL WAYS 1