ponding
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ponding board — /ˈpɒndɪŋ bɔd/ (say ponding bawd) noun a piece of sheet material placed under the sarking or at the edge of a roof to direct water off the sarking into the gutter …
ponding — 1) an increase in water level caused by a blockage to stream flow 2) formation of a pond by damning a water course … Dictionary of ichthyology
ponding — present part of pond … Useful english dictionary
hydrosphere — /huy dreuh sfear /, n. the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. [1885 90; HYDRO 1 + SPHERE] * * * Discontinuous layer of water at or near the Earth s surface. It… … Universalium
Flat roof — A flat roof is a type of covering of a building. In contrast to the sloped form of a roof, a flat roof is horizontal or nearly horizontal. Materials that cover flat roofs should allow the water to run off freely from a very slight… … Wikipedia
Melt pond — As ice melts, the liquid water collects in depressions on the surface and deepens them, forming these melt ponds in the Arctic. These fresh water ponds are separated from the salty sea below and around it, until breaks in the ice merge the two.… … Wikipedia
Concrete — This article is about the construction material. For other uses, see Concrete (disambiguation). Outer view of the Roman Pantheon, still the largest unreinforced solid concrete dome.[1] … Wikipedia
Hydroponics — (from the Greek words hydro (water) and ponos (labour) is a method of growing plants using mineral nutrient solutions, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium,… … Wikipedia
Tensile structure — A tensile structure is a construction of elements carrying only tension and no compression or bending. The term tensile should not be confused with tensegrity, which is a structural form with both tension and compression elements.Most tensile… … Wikipedia
Melt ponds — are pools of open water that form on sea ice in the warmer months of spring and summer. The ponds are also found on glacial ice and ice shelfs. Ponds of melted water can also develop under the ice.Melt ponds are usually darker than the… … Wikipedia
