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		AGL - Glossary
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Information Resources Land and Water Themes On-line Documents Publications Land + Water Links Find		Keyword (Look for a specific word in the glossary term and its definition)   Subject (Terms classified by main subject areas) - All - Agriculture Geography and population Land resource Land management Soil fertility and plant nutrition Water resource Water use & water management Water harvesting Irrigation and drainage Water quality and health Economy   Glossary term (Look for the definition of a given term) - All - Abstraction of fossil water Accumulation Actual evapotranspiration Agricultural water managed area Agriculture drainage water Annuals area (crops) Aquifer Arable land Area of harvested crops under irrigation Area salinized by irrigation Area waterlogged by irrigation Area waterlogged outside irrigation Average cost of drainage development Average cost of irrigation development Average cost of irrigation rehabilitation Average cost of localised irrigation for an on farm installation Average cost of operation and maintenance Average cost of sprinkler irrigation for an on farm installation Average overexploitation of groundwater Average precipitation Base flow Basin irrigation Bench Bio-drainage Blue water Border irrigation Bund Canal evaporation losses Capacity of a wells Capacity of dams Capital cost Catchment area Channel flow: - Gully flow - Rillflow Cistern, Venetian Cistern (or sand-filled reservoir) Climate Command area for irrigation Consumptive water use of a plant Contingent valuation Contour line Conveyance channel Conveyance losses Corrugation irrigation Cost-benefit analysis Crop irrigation requirements Crop water productivity Crop water requirements Crop yield Cropping pattern Cropping systems Cultivable area Cultivated land Cultivated wetland and low valley bottoms (non equipped) Cut-off drain Dams Dams silting Delivery structures Demand (economy) Demand management Dependency ratio Desalinated water Direct use value Diversion channel Drainage Drainage horizontal Drainage in irrigated area Drainage in rainfed area Drainage of surface Drainage vertical Drainage with sub-surface drains Drainage with surface drains Drained area Drip irrigation Economic efficiency Economic value of unit of irrigation water Economically active population Effective rainfall Effluents Equipped area actually irrigated Equipped lowlands areas Evaporation from reservoirs and lakes Exploitable water resources External renewable water resources Farm irrigation efficiency Flood control Flood control works Flood irrigation Flood recession cropping area Flood water harvesting Flood-protected area Flow Food security Full and partial control Irrigation Fully automatic irrigation system Furrow Furrow irrigation Gabion Gender Gender analysis Gender mainstreaming Goundwater table Gravity irrigation Gross Domestic Product Gross agricultural Domestic Product Groundwater available for annual abstraction Groundwater balance Groundwater recharge Gully Impact analysis on a wetland Impoundment In – situ water conservation (or ’in-situ moisture conservation’) Indirect opportunity cost Indirect use value Individual irrigation systems Informal Irrigation Interest (economy) Internal groundwater flow Internal natural renewable water resources Internal surface water flow Interrow water harvesting Intrinsic value Irregular renewable surface water Irrigated area Irrigated land, land under irrigation Irrigation Irrigation Management Transfer Irrigation efficiency Irrigation potential Irrigation requirements Irrigation schemes Irrigation systems Kareze or Qanat Land area irrigated by surface water Land area irrigated by groundwater Land area irrigated by non conventional sources Land leveling Lift irrigation Localised irrigation, trickle or micro-irrigation Low flow Macro-cachment water harvesting Market Micro- basin irrigation Micro-basin Micro-catchment water harvesting Micro-irrigation Mole drain Natural inflow Net present value Non fresh-water resources Non renewable water resources Non- conventional water resources Non-use value Opportunity cost Organic agriculture Outflow Overlap between surface and groundwater Period of reference Permanent crops Population affected by water borne diseases Population density Population total Population urban, rural Population with access to drinking water supply Potential evapotranspiration (PET) Power irrigated area Production of harvested cereals under irrigation Public good Rain water harvesting area Rainfed crops area Rainfed farming Regular renewable surface water and Regular renewable groundwater Renewable actual water resources Renewable natural water resources Renewable resources Reservoir Returned water Ridge Contour r. R. cropping Rill Roof water harvesting Runoff farming Sabkha Safe yield of water systems Salinisation Sanitation Self water supply Shadow price Social cost Soil and water conservation Soil moisture Spate irrigation Spate irrigation area Sprinkler irrigation Stream Stream flow Supplementary irrigation Supply (economy) Surface drainage system Surface irrigation Surrogate market price Total agricultural production Total country area Total number of households in irrigation Total valuation of a wetland Unaccounted for water Urban and sub-urban agriculture Valuation Value Vector control Virtual water Wadi Waste water Waste water produced Waste water treated & reused Waste water treatment Water balance Water charge Water consumption (final) Water control Water duty Water fees Water harvesting Water logging Water management Water need Water productivity Water quality Water quality criteria Water resources appraisal Water resources produced on a 10th frequency of a dry year Water supply Water supply coverage Water use (all uses) Water use (ex-situ) Water use by agriculture Water use by agriculture for irrigation Water use by others Water use by the domestic sector Water use by the industrial sector Water user association (WUA) Water withdrawal Waterborne diseases Watershed management Watersheds Wetland function Wetlands Wild flooding Willingness to pay drainage Sub-surface irrigation equipped area land under irrigation with Sprinkler irrigation land under irrigation with localised irrigation land under irrigation with surface irrigation

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Last update:10 May 2004

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