Drainage formula (Water Overlay)

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Revision as of 14:36, 4 December 2020 by Frank@tygron.nl (talk | contribs)
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Drainage passive: First the flow capacity is calculated Failed to parse (MathML with SVG or PNG fallback (recommended for modern browsers and accessibility tools): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle Q_{p,t}=\deltat*q_t}

The water head at the drainage area is calculated:


where:

is the ground water level in meters
is the drainage datum height in meters.
is the drainage area size in square meters.
is the average storage percentage of the ground above the drainage.