Since the mid fifties, when Frank Law published the results of his studies from Stocks Reservoir, a controversy has raged concerning the effects of upland afforestation on evaporation and water resources of the UK. Originally the concern centred on the effects of spruce afforestation of upland moorland water catchments which were being used for supply purposes; then, by the late seventies, the deleterious effects of afforestation on hydroelectric power generation were recognised. More recently, experimental studies were carried out in the relatively warm climate of Wales and England, primarily on grass and forest vegetation, but the results could not necessarily be applied in Scotland, where the climate is cooler and snow can form a significant component of the annual precipitation and heather rather than grass moorland predominates. Further studies, involving both process and catchment experiments were executed to quantify the effects. The research was funded by a consortium which included the British Waterways Board, Department of Energy, North of Scotland Hydro-Electric Board, Scottish Development Department, Forestry Commission, Department of the Environment and the Water Research Centre. The results of these process studies are presented and the implications for water resources are discussed.
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Addresses the controversy concerning the effects of afforestation on evaporation and water resources. Focusing on the uplands of Great Britain, the research program is described and the results and models produced are relevant to other forested areas of the world, to the global energy balance and to the greenhouse effect. Discusses the historical background of the controversy and the theoretical basis for past and current evaporation models, with emphasis on a new stochastic approach to the modeling of rainfall interception. Includes a practical example of the use of models to assess the effects of afforestation on catchment runoff. Experimental techniques employed are described in sufficient detail for methods to be followed and extended by other researchers.
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Book Description John Wiley & Sons. Book Condition: New. pp. 166. Bookseller Inventory # 5768838