Ponding is the unwanted pooling of water, typically on a flat roof. ==Cause== Most flat roof systems are designed with a slight pitch to shed water off the sides, usually into a scupper system or into an internal drainage system. When a scupper or drain is clogged or fails for other reasons, storm water tends to pool around that low area. Over tim...
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http://en.wikipedia.org/wiki/Ponding
Water that has accumulated in a low area.
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http://www.americantrails.org/
(from the article `hydrosphere`) Overland flow is generated at a point on a hillslope only after surface ponding takes place. Ponding cannot occur until the surface soil layers ...
Found on
http://www.britannica.com/eb/a-z/p/92
A condition where water stands on a roof for prolonged periods due to poor drainage and/or deflection of the deck.
Found on
http://www.encyclo.co.uk/local/20933
The gathering of water at low or irregular areas on a roof.
Found on
https://www.encyclo.co.uk/local/21107
No exact match found.
