Evaporation in the Uplands

About this book

Addresses the controversy concerning the effects of afforestation on evaporation and water resources. The study areas was limited to the uplands of the UK but both the research programme and the results and models produced are relevant to other forested areas of the world and have a bearing on wider issues such as the global energy balance and the greenhouse effect.

Contents

Part 1 Introduction: Frank Law and the Stocks Reservoir controversy; Frank Law's studies; the plynlimon catchment results; the Plynlimon forest lysimeter; the Thetford micrometeorological and soil physical studies. Part 2 Physics and physiology of evaporation: the Dalton equation; the "del" approximation and the combination equation; the Penman equation; physiological resistance - the Penman-Monteith equation. Part 3 The interception process: the rutter interception model; the stochastic interception model. Part 4 Further transpiration studies in the uplands. Part 5 Rainfall interception from short vegetation - the "wet surface" lysimeter experiment. Part 6 Gamma - Ray Attenuation studies of rainfall interception from forests. Part 7 Plastic-sheet net-rainfall gauge measurements of forest interception. Part 8 Evaporation from snow covered vegetation. Part 9 Predicting the effects of land use change - evaporation models. Part 10 Implications of upland afforestation - a case study, Crinan canal.

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