Ponds and reservoirs are bodies of water created by constructing a dam or embankment across a watercourse or by excavating a pit or dugout.
The storage capacity of a farm reservoir used for irrigation depends on the effective rainfall that can be expected during the growing season, the water requirements of the crops to be irrigated, the expected inflow into the pond, the application efficiency of the irrigation method used, and the losses due to evaporation and seepage. All of these can be estimated with reasonable accuracy and a water budget prepared to determine the required capacity of the reservoir.
Generally, a pond serves compatible multi- purposes such asirrigating one or more field crops, water for live-stock and for fish production. Storage requirement for each purpose is considered to be sure of an adequate supply for all intended uses.
Farm ponds and reservoirs may be divided into two general types; namely, embankment and excavated ponds. An embankment pond is a body of water created by constructing a barrier across a stream or watercourse and is usually built in areas where land slopes range from gentle to moderately steep and where stream valleys are sufficiently depressed to permit the storage of water to a considerable depth. An excavated pond is a body of water created by excavating a pit or dugout. These usually are constructed in relatively level areas. The fact that their capacity is obtained almost entirely by excavation limits their use to locations where only a small supply of water is required.
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Irrigation
Sources of Irrigation
Irrigation History +
Sources of Irrigation +
IMPROVING SOIL MOISTURE +
Ponds +
Tanks +
Diversion Weirs +
Dams and Reservoirs +
Groundwater +
Conjunctive Water Use +
Wastewater +
Poor Quality Water +
Application of Irrigation water
Canal Irrigation +
Flood Irrigation +
Deficit Irrigation +
Supplemental Irrigation +
Sprinkler Irrigation +
Drip Irrigation +
Lift Irrigation +
Centre Pivot Irrigation +
Tidal Irrigation +
Micro-Irrigation Technologies for Small Holders +
Automatic Irrigation Systems +
Pressurized Irrigation +
Irrigation in Viticulture +
Purpose of Irrigation
Instruments and implements of Irrigation
Pumps +
Centrifugal Pumps +
Submersible Pumps +
Turbine and Jet Pumps +
Conveying Pipes +
Sprinklers +
Drippers +
Canal Automation Systems +
Irrigation Management
Economics of Irrigation System +
I&D System Types +
I&D Investment Functions +
I&D Management Issues +
Participatory I&D Management +
Equity in Irrigation +
Irrigation Services +
Irrigation and environment
Pollution and Irrigation +
Irrigation and Climate Resilience +
Environmental Aspects of Irrigation +
Environmental Impacts of Irrigation +
Green Lawn Irrigation +
Safe Use of Waste Water in Irrigation +
Organic Agriculture +
Soil Health +
Soil Health Management +
Quality of Irrigation Water +
Capacity Development
Drainage
Drainage Types and Systems
Agricultural Drainage +
Field Drainage systems +
Canal Irrigation and Drainage +
Surface Drainage Systems +
Subsurface Drainage +
Mole Drainage +
Bio-Drainage +
Regional Bio-Drainage +
Drainage Issues
- Ponding
- Ponded water
- Pond
- Vernal pond
- Vernal autumnal ponds
- Aestival ponds
- Pick-up weir, Regulating weir, or Regulating pondage weir
- Pond, or Pool level
- Ponding
- Tapoon, or Ponding method
- Still pond regulation
- Semi-still pond regulation, or Semi-open flow regulation
- Ponding
- Pond management
- Cooling pond, or cooling lake
- Holding pond
- Aeration pond, Aeration lagoon, Aeration tank
- Oxidation pond
- Stabilization pond
- Sewage pond, Sewage lagoon