Difference between revisions of "Precipitation effectiveness"

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#<div class="definition"><div class="short_definition">That portion of total [[precipitation]] used to satisfy vegetation needs.</div><br/> </div>
 
#<div class="definition"><div class="short_definition">That portion of total [[precipitation]] used to satisfy vegetation needs.</div><br/> </div>
#<div class="definition"><div class="short_definition">The actual availability of [[precipitation]] used in plant development.</div><br/> <div class="paragraph">Availability is affected by such factors as [[precipitation intensity]], [[season]], [[temperature]], ground  cover, sod type, etc. The dependence of precipitation effectiveness on temperature and/or [[evaporation]]  has been expressed in many ways: K&ouml;ppen's formulas for defining [[desert climate]], Lang's  [[moisture factor]], De Martonne's [[index of aridity]], Gorczy&#x00144;ski's [[aridity coefficient]], Angstr&ouml;m's  humidity coefficient, Transeau's precipitation&ndash;evaporation quotient, and Thornthwaite's [[precipitation-effectiveness  index]].</div><br/> </div><div class="reference">Transeau, E. N. 1905. Forest Center of Eastern America. American Naturalist. 39. 875&ndash;899. </div><br/> <div class="reference">Thornthwaite, C. W. 1948. An approach toward a rational classification of climate. Geogr. Rev.. 38. 55&ndash;94. </div><br/> <div class="reference">K&ouml;ppen, W. 1931. Grundriss der Klimakunde. Walter die Gruyter Co., Berlin. </div><br/>  
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#<div class="definition"><div class="short_definition">The actual availability of [[precipitation]] used in plant development.</div><br/> <div class="paragraph">Availability is affected by such factors as [[precipitation intensity]], [[season]], [[temperature]], ground  cover, sod type, etc. The dependence of precipitation effectiveness on temperature and/or [[evaporation]]  has been expressed in many ways: K&#x000f6;ppen's formulas for defining [[desert climate]], Lang's  [[moisture factor]], De Martonne's [[index of aridity]], Gorczy&#x00144;ski's [[aridity coefficient]], Angstr&#x000f6;m's  humidity coefficient, Transeau's precipitation&ndash;evaporation quotient, and Thornthwaite's [[precipitation-effectiveness  index]].</div><br/> </div><div class="reference">Transeau, E. N. 1905. Forest Center of Eastern America. American Naturalist. 39. 875&ndash;899. </div><br/> <div class="reference">Thornthwaite, C. W. 1948. An approach toward a rational classification of climate. Geogr. Rev.. 38. 55&ndash;94. </div><br/> <div class="reference">K&#x000f6;ppen, W. 1931. Grundriss der Klimakunde. Walter die Gruyter Co., Berlin. </div><br/>  
 
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Revision as of 15:53, 20 February 2012



precipitation effectiveness

  1. That portion of total precipitation used to satisfy vegetation needs.

  2. The actual availability of precipitation used in plant development.

    Availability is affected by such factors as precipitation intensity, season, temperature, ground cover, sod type, etc. The dependence of precipitation effectiveness on temperature and/or evaporation has been expressed in many ways: Köppen's formulas for defining desert climate, Lang's moisture factor, De Martonne's index of aridity, Gorczyński's aridity coefficient, Angström's humidity coefficient, Transeau's precipitation–evaporation quotient, and Thornthwaite's precipitation-effectiveness index.

    Transeau, E. N. 1905. Forest Center of Eastern America. American Naturalist. 39. 875–899.

    Thornthwaite, C. W. 1948. An approach toward a rational classification of climate. Geogr. Rev.. 38. 55–94.

    Köppen, W. 1931. Grundriss der Klimakunde. Walter die Gruyter Co., Berlin.