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(4209) Equipotential surface
An imaginary surface, within a field of flow in isotropic media, where the total head is the same for all points on the surface and, therefore, the direction of flow is perpendicular to the surface at all points.
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Irrigation
Drainage
Dictionary - Conjunctive Use of Surface and Groundwater Terms
- Surface water hydrology
- Geohydrology, Hydrogeology or Groundwater hydrology
- Subsurface ice, or Interstitial ice
- Interflow, Subsurface runoff
- Subsurface flow, or Underground flow
- Groundwater runoff
- Groundwater storage
- Groundwater province
- Subsurface water, Underground water, or Subterranean water
- Groundwater
- Capillary groundwater, or Fringe water
- Groundwater table
- Free groundwater, Phreatic water, or Non-artesian water
- Confined water, or Confined groundwater
- Perched water, or Perched groundwater
- Semiperched groundwater
- Fixed groundwater
- Attached groundwater
- Groundwater flow
- Groundwater reservoir
- Groundwater artery
- Groundwater divide
- Isopiestic line, or Pressure surface contour
- Pressure surface map
- Piezometric surface, or Pressure surface
- Water-table contour, or Groundwater contour
- Groundwater cascade
- Groundwater dam
- Groundwater ridge
- Interstream groundwater ridge
- Groundwater mound, or Groundwater hill
- Groundwater trench
- Groundwater withdrawal, or Groundwater extraction
- Water surface (groundwater)
- Phreatic surface
- Effective velocity (of groundwater), Actual velocity (of groundwater), True velocity (of groundwater), or Field velocity (of groundwater)
- Apparent velocity (of groundwater)
- Average velocity (of groundwater)
- Critical velocity (of groundwater )
- Groundwater turbulent flow
- Groundwater recharge
- Groundwater balance, or Groundwater budget
- Groundwater increment, or Groundwater accretion
- Groundwater decrement
- Groundwater inventory
- Groundwater equation
- Groundwater management
- Groundwater model
- Groundwater balance
- Groundwater basin
- Potentiometric surface
- Water surface slope
- Surface float
- Subsurface float
- Surface water
- Surface acre
- Surface tension
- Surface tension
- Surface bend, or Free bend
- Topsoil, or Surface soil
- Surface curves
- Surface area of reservoir, or Maximum water surface area
- Water surface
- Normal water surface elevation, Normal water level, Conservation water level, Storage level, Normal pool level, or Conservation storage level
- Control house
- Composite surface of failure
- Critical circle, or Critical surface
- Line of seepage, or Phreatic surface
- Hydroelectric power house, Power house building, or Power house superstructure
- Valve chamber, or Valve house
- Fuse plug, or Breaching section
- Fusegates
- Hydraulic rollers, Circular roller, Elliptical roller, Vertical roller, Horizontal roller, Inclined roller, Submerged roller, or Surface roller
- Surface type fixed-wheel gate
- Friction drag, Skin friction, or Surface drag
- Top width, or Surface width
- Natural surface line
- Natural surface level, or Ground levels
- Transition-curve length, Transition face length, Transition surface length, or Curved transition length
- Causeway
- Straight (line, surface) sharp cut-water, Equilateral cut-water, or Sixty degree straight sharp cut-water
- Groundwater conservation
- Groundwater mining
- Groundwater overdraft
- Block system (a term used in India in the States of Maharashtra and Gujarat)
- Groundwater storeys
- Observation well, Groundwater station, Monitor well, or Piezometer
- Free surface
- Equipotential surface
- Seepage surface
- Depleted pressure surface
- Depleted phreatic surface, or Depleted water table
- Isobath of the piezometric surface
- Fluctuation of the piezometric surface
- Cycle of the piezometric surface fluctuation
- Prospecting (groundwater)
- Pump house
- Diffuser, or Diffuser vanes
- Irrigation from groundwater
- Sailab irrigation (a term used in India and Pakistan)
- Surface irrigation
- Recycling system, Reuse system
- Diffuser (fixed)
- Distribution pattern (of a sprinkler diffuser)
- Range (of a sprinkler or diffuser)
- Minimum operating pressure (of a sprinkler or diffuser)
- Test pressure (of a sprinkler or diffuser)
- Mini-diffusers
- Surface drip irrigation
- Mini-diffusers
- Surface filtration
- Surface runoff
- Consumptive water use or Consumptive use
- District consumptive use
- Optimum consumptive use
- Seasonal consumptive use
- Effective water use
- Non-beneficial consumptive use
- Groundwater table
- Crop water use efficiency or Crop water use index
- Irrigation water use efficiency
- Level of satisfaction of the water requirement of users
- Surface water
- Subsurface drainage system
- Surface drainage
- Surface drains
- Groundwater table
- Horizontal subsurface drainage system
- Surface inlet
- Surface-cum-seepage drains
- Subsurface drainage, Under drainage, Subsoil drainage, Underground drainage, or Covered drainage
- Subsurface drain, Under drain, Covered drain, or Buried drain
- Field surface drain
- Surface drainage system
- Free surface
- Phreatic surface
- Piezometric surface
- Subsurface run-off
- Surface flow
- Surface runoff
- Vertical subsurface drainage system
- Surface retarders
- Surface moisture, or Free moisture
- Smoothing cement, or Surfacer paint
- Surface dressing, or Surface treatment
- Pump house, or Pumping station
- Multi-use bit
- Safety fuse
- Pricing - Users` fees
- Users Training
- User fees
- Surface erosion
- Surface sealing (of soil)
- Surface creep
- Land-use-capability classes
- Waste water re-use
- Non‑consumptive use
- Greenhouse effect
- Refuse
- Organic refuse
- Inorganic refuse
- Surface dump
- Groundwater contamination
- Direct reuse
- Reuse
- Indirect reuse
- Anti‑degradation clause
- Surface irrigation
- Surface water problem
- Water‑gathering surface
- Water neutral surface
- Water‑spreading surface
- Groundwater flooding
- Fuseplug levee
- Floodplain land use planning
- Houses and structures raising
- Multiuser
- User-friendly program
- Mouse
- Conjunctive irrigation planning
- Recreational uses of water
- Land-use pattern
- Agricultural water use
- Artificial groundwater recharge
- Groundwater system, or Groundwater basin
- Kanat, Foggara, Karez (used in Baluchistan), Rhettara (used in Morocco), or Qanat (used in Iran)
- Land use
- Surface water body
- Groundwater investigations, or Geohydrological investigations
- Subsurface geology
- Use of facilities method
- Ceiling allocation, or Priority of use method
- User charge
- Greenhouse Effect
- Greenhouse Gas
