DIRECT MEMBER - COMPANY
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(2473) Drainage gallery
A supplementary gallery located further downstream of the foundation gallery for the purpose of drilling and draining the downstream portion of the dam.
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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
Dictionary - Subsurface Drainage Terms
- Subsurface ice, or Interstitial ice
- Drainage area, Drainage basin, River basin, Catchment area, Catchment basin, Catchment, Watershed
- Water parting, Drainage divide, Divide, Watershed divide, Watershed boundary, Topographic divide
- Yield of drainage basin, Annual yield of drainage basin
- Interflow, Subsurface runoff
- Subsurface flow, or Underground flow
- Drainage modulus, or Drainage coefficient
- Subsurface water, Underground water, or Subterranean water
- Subsurface float
- External drainage
- Internal drainage
- Bio-drainage
- Drainage head
- Endogenic drainage
- Allogenic drainage
- Endoreic drainage
- Areic drainage
- Exoreic drainage
- Drainage gallery
- Drainage wells
- Horizontal drainage blanket, Pervious blanket, or Drainage filter
- Cross-drainage work, or Drainage crossing
- Level crossing, or Level drainage device
- Syphon aqueduct, Drainage syphon, Cross drainage culvert
- Drainage overpasses
- Venturi flume drainage crossing
- Drainage culvert, or Supply culvert
- Cross drainage
- Inverted drainage well, or Disposal well
- Irrigation through buried drains, Irrigation-drainage, or Vallenhove process
- Drainage
- Drainage channel
- Artificial drainage
- Lowland drainage
- Agricultural land drainage
- Drainage system
- Closed-drainage area, Blind drainage area, or Non-contributing area
- Drainage benefit
- Degree of drainage
- Field drainage
- Field drainage system
- Land drainage
- Natural drainage system
- Seepage drainage
- Subsurface drainage system
- Open channel drainage
- Surface drainage
- Main drainage system
- Drainage fittings
- Drainage pump sump
- Drainage trench
- Drainage head
- Horizontal subsurface drainage system
- Natural drainage or Natural drainage capacity
- Improved drainage or Artificial drainage
- Random drainage system
- Trenchless drainage
- Open-channel drainage
- Convergent drainage pattern
- Natural drainage systems, or Random drainage systems
- Cutoff drainage system, or Intercepting drainage system
- Herringbone drainage system
- Gridiron drainage system
- Double-main drainage system
- Composite drainage system
- Grouping drainage system
- Zigzag drainage system
- Cross-slope ditch system, or Drainage-type terraces
- Drainage-density
- Drainage pattern
- Superposed drainage, Super imposed drainage or Inherited drainage
- Subsurface drainage, Under drainage, Subsoil drainage, Underground drainage, or Covered drainage
- Relief drainage system
- Convergent drainage system
- Subsurface drain, Under drain, Covered drain, or Buried drain
- Elkington drainage system, Sink-hole drainage
- Rerolle drainage system
- Across-the-slope drainage system, or Keythrope drainage system
- Vertical drainage, or Inverted well
- Mole drainage
- Surface drainage system
- Drainage coefficient, Drainage modulus or Drainage design rate
- Drainage design rainfall
- Drainage efficiency
- Drainage season
- Subsurface run-off
- Angular drainage pattern
- Arterial drainage
- Dendrite drainage
- Drainage boards (also called prefabricated drains)
- Slot drainage
- Radial drainage pattern
- Trellis drainage pattern
- Drainage density
- Vertical subsurface drainage system
- Drainage pumping station, Drainage pumping plant
- Drainage terrace, Drainage control terrace, Interception and diversion terrace, Runoff control terrace, or Channel terrace
- Land drainage
- Design drainage rate
- Soil drainage status
- Excessive drainage
- Imperfect drainage
- Underdrainage
- Singular layout drainage design
- Natural drainage layout
- Composite layout drainage system
- Mole drainage
- Free drainage
- Poor drainage
- Drainage basin
- Subsurface geology
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