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2. Two-stage drainage ditch - Wikipedia

   en.wikipedia.org/wiki/Two-stage_drainage_ditch

   "Over a mile long reach [of the water channel] adds up to over 1.5 acre of land needed for the two stage drainage ditch design". This acreage of land may already be currently used for other purposes or contains infrastructure and subsurface gas or sewer lines. Thus, the larger the channel is, the more soil, and thus, increased funds required to ...

3. Surface irrigation - Wikipedia

   en.wikipedia.org/wiki/Surface_irrigation

   Deep drainage - Overirrigation may cause water to move below the root zone resulting in rising water tables. In regions with naturally occurring saline soil layers (for example salinity in south eastern Australia ) or saline aquifers, these rising water tables may bring salt up into the root zone leading to problems of irrigation salinity .

4. Jamaica Pond - Wikipedia

   en.wikipedia.org/wiki/Jamaica_Pond

   The pond has an area of about 68 acres (28 ha), and is 53 feet (16 m) deep at its center (MassWildlife map), making it the largest body of fresh water in Boston, and the largest natural freshwater body in the lower Charles River watershed. It is ringed by a 1.5-mile (2.4 km) walking path, and is an extremely popular destination for Bostonians ...

5. Rain garden - Wikipedia

   en.wikipedia.org/wiki/Rain_garden

   The first rain gardens were created to mimic the natural water retention areas that developed before urbanization occurred. The rain gardens for residential use were developed in 1990 in Prince George's County, Maryland, when Dick Brinker, a developer building a new housing subdivision had the idea to replace the traditional best management practices (BMP) pond with a bioretention area.

6. Drainage - Wikipedia

   en.wikipedia.org/wiki/Drainage

   Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most agricultural soils can prevent severe waterlogging (anaerobic conditions that harm root growth), but many soils need artificial drainage to improve production or to manage water supplies.

7. Stormwater - Wikipedia

   en.wikipedia.org/wiki/Stormwater

   In undisturbed areas with natural subsurface drainage, soil and rock fragments choke karst openings thereby being a self-limitation to the growth of openings. [13]: 189–190, 196 The undisturbed karst drainage system becomes balanced with the climate so it can drain the water produced by most storms. However, problems occur when the landscape ...