Overland flow definition

Overland flow means and includes flow over planar surfaces, including but not limited to roofs, streets, lawns, parking lots and fields.
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Overland flow means the controlled discharge, by spraying or other means, of pollutants onto sloping land with maintained vegetation where a proportion of the wastewater may appear as runoff. Overland flow is also the movement of pollutants across the surface of the land where infiltration may occur (N.J.A.C. 7:14A-1.2).
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Overland flow means surface runoff flowing over the land surface towards the MS4 or a conveyance.
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Examples of Overland flow in a sentence

  • Overland flows may be routed as follows:  Overland flow may be routed over the curb and boulevard.

  • Overland flow can be unpredictable because it is affected by localised rainfall and urban features such as stormwater pipes, roads, fences, walls and other structures.

  • Overland flow distri- bution is accomplished by applying wastewa- ter uniformly over relatively impermeable sloped surfaces which are vegetated.

  • Overland flow multiplied with a user-defined average sediment concentration per land cover class determines gross erosion.

  • Overland flow routes can be provided using streets, swales, and open space.

  • Overland flow is simulated in the model by applying rainfall outputs, which are then routed across the mesh, flowing down slope, along drainage routes and collecting in depressions.

  • Overland flow of runoff to the initial catchment point into the storm drain system shall be a minimum of 5 minutes.

  • Overland flow differs from mainstream flooding from creeks or lagoons as they are usually generated from surface run off and overflows from kerbs and smaller pipes, to more serious overland flows involving exceedance in the capacity of major trunk drainage systems.

  • Overland flow events resulting from intense rainfalls could potentially transport P and sediment from vulnerable tillage soils to surface water bodies.

  • Overland flow models have already been tested on this dataset [Mugler et al., 2011].


More Definitions of Overland flow

Overland flow means areas of the flood hazard area outside of the floodway where water is directed toward the floodway.
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Overland flow means the water travelling outside the pre-defined surface pathways (e.g. roads, open drainage channels), which can only be described by 2D OFMs.
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Overland flow means flow over developed or undeveloped surfaces, including but not limited to roofs, streets, lawns, parking lots and unimproved lands.
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Related to Overland flow

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