runoff period
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runoff — precipitation that flows across the ground and enters streams, rivers and lakes; may carry pollutants. Also used for the total discharge of a stream, both surface and subsurface, over a given time period. Defined as the depth to which a drainage… … Dictionary of ichthyology
Surface runoff — Runoff flowing into a stormwater drain Surface runoff is the water flow that occurs when soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water… … Wikipedia
Unimpaired runoff — Unimpaired runoff, also known as full natural flow , is a hydrology term that is used to describe the natural runoff of a watershed or waterbody that would have occurred prior to anthropogenic or human influences on the watershed. Flow readings… … Wikipedia
Deforestation during the Roman period — The rise and fall of the Roman Empire encompasses the time when Rome was the leading contributor to deforestation in the Mediterranean. Whereas the Mediterranean was largely prehistoric in 1000 BC, it was definitely historic by 500 AD.[1] Roman… … Wikipedia
Last glacial period — Last glacial redirects here. For the period of maximum glacier extent during this time, see Last Glacial Maximum. The last glacial period was the most recent glacial period within the current ice age occurring during the last years of the… … Wikipedia
Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene … Universalium
surface runoff — noun Overland flow of excess water (with or without accumulated contaminants) that cannot be absorbed by the ground as infiltration. When there is very heavy rainfall on California hillsides over a prolonged period, there is almost always ensuing … Wiktionary
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
Central Utah Project — The Central Utah Project is a United States federal water project. It was authorized for construction under the Colorado River Storage Project Act of April 11, 1956 (CRSPA) (Public Law 485, [70 Stat. 105] ) as a participating project. In general … Wikipedia
Chilean presidential election, 2009–2010 — Runoff election 2005–2006 ← January 17, 2010 → 2013 … Wikipedia
river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… … Universalium
