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E-book
Author Rodríguez-Iturbe, Ignacio.

Title Ecohydrology of water-controlled ecosystems : soil moisture and plant dynamics / Ignacio Rodríguez-Iturbe, Amilcare Porporato
Published Cambridge ; New York : Cambridge University Press, [2004]
©2004
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Description 1 online resource (xviii, 442 pages, 16 unnumbered pages of plates) : illustrations (some color), maps
Contents Cover -- Title -- Copyright -- Dedication -- Contents -- Foreword -- Preface -- 1 Introduction -- 1.1 Ecohydrology of water-controlled ecosystems -- 1.2 Simplifying assumptions -- 1.3 Levels of description -- 1.4 Temporal scales -- 1.5 Spatial dimensions -- 1.6 Soil moisture and the cycles of soil nutrients -- 1.7 Soil moisture dynamics and ecosystem structure -- 2 Stochastic soil moisture dynamics and water balance -- 2.1 Soil water balance at a point -- 2.1.1 Rainfall modeling -- 2.1.2 Interception -- 2.1.3 Infiltration and runoff -- 2.1.4 Active soil depth -- 2.1.5 Evapotranspiration -- 2.1.6 Leakage losses -- 2.1.7 Soil-drying process -- 2.2 Probabilistic evolution of the soil moisture process -- 2.3 Steady-state probability distribution of soil moisture -- 2.4 Water balance -- 2.5 Comparison with field data -- 2.6 Simpler models of soil moisture dynamics -- 2.6.1 A simplified stochastic model of soil moisture dynamics -- 2.6.2 Minimalistic models of soil moisture dynamics -- 2.7 Appendix A. Soil moisture cumulative probability distribution -- 3 Crossing properties of soil moisture dynamics -- 3.1 Mean first passage times of processes driven by white shot noise -- 3.1.1 MFPT's of a threshold8230;above the initial point s -- 3.1.2 MFPT's of a threshold8230;below the initial point8230; -- 3.2 Crossing properties of the soil moisture process -- 3.3 Duration of excursions between two different levels of soil moisture -- 3.4 MFPT's for minimalistic models of soil moisture -- 3.4.1 The minimalistic model with constant losses -- 3.4.2 The minimalistic model with linear losses -- 3.5 Appendix B. Backward differential equation and crossing properties -- 3.5.1 Derivation of the backward equation for the soil moisture process -- 3.5.2 From the backward equation to the crossing properties -- 4 Plant water stress -- 4.1 Soil-water deficit and plant water stress -- 4.1.1 The components of plant water potential -- 4.1.2 Plant water potential and soil moisture dynamics -- 4.1.3 Physiological effects of a reduction in plant water potential -- 4.1.4 Modeling plant water stress: from water deficit to vegetation response -- 4.2 Probabilistic description of static water stress -- 4.3 Dynamic water stress -- 4.4 Impact of environmental conditions on dynamic water stress -- 4.5 Optimal plant conditions -- 5 Applications to natural ecosystems -- 5.1 The role of vegetation in the Nylsvley savanna -- 5.1.1 Description of the site -- 5.1.2 Soil moisture probability density function and water balance -- 5.1.3 Soil moisture crossing properties and vegetation water stress -- 5.2 Sensitivity to climate fluctuations in a southern Texas savanna -- 5.2.1 Description of the site -- 5.2.2 Soil moisture probability density function and water balance -- 5.2.3 Soil moisture crossing properties and vegetation water stress -- 5.3 The role of soil texture in the Colorado shortgrass steppe -- 5.3.1 Description of the site -- 5.3.2 Soil moisture probability density function and water balance -- 5.3.3 Soil moisture crossing properties and vegetation water stress -- 5.4 Vegetation patterns along the Kalahari precipitation gradient -- 5.4.1 Description of the site -- 5.4.2 Annual and interannual rainfall variability -- 5.4.3 Soil moisture dynamics and water balance -- 5.4.4 Plant water stress -- 5.5 Tree canopy effects in southern African savannas -- 5.5.1 Modeling framework -- T
Foreword / Gabriel Katul -- Preface -- 1. Introduction -- 2. Stochastic soil moisture dynamics and water balance -- 3. Crossing properties of soil moisture dynamics -- 4. Plant water stress -- 5. Applications to natural ecosystems -- 6. Coupled dynamics of photosynthesis, transpiration and soil water balance: from hourly to growing-season time scale -- 7. Plant strategies and water use -- 8. Seasonal and interannual fluctuations in soil moisture dynamics -- 9. Spatial scale issues in soil moisture dynamics -- 10. Hydrologic controls on nutrient cycles -- 11. Hydrologic variability and ecosystem structure -- References -- Species index -- Subject index
Summary This book addresses the connections between the hydrologic cycle and plant ecosystems. It will appeal to advanced students and researchers from a large range of disciplines, including environmental science, hydrology, ecology, earth science, civil and environmental engineering, agriculture, and atmospheric science
Bibliography Includes bibliographical references (pages 417-438) and indexes
Notes Print version record
Subject Soil.
Water.
Ecology.
Plant Physiological Phenomena.
Ecohydrology.
Plant-soil relationships.
Plant-water relationships.
Form Electronic book
Author Porporato, Amilcare.
ISBN 0511079613 (electronic bk. ; Adobe Reader)
0511080379 (electronic bk. ; Adobe Reader)
0511081138 (electronic bk.)
0511535724 (ebook)
1281836494
9780511079610 (electronic bk. ; Adobe Reader)
9780511080371 (electronic bk. ; Adobe Reader)
9780511081132 (electronic bk.)
9780511535727 (ebook)
9781281836496
(hardback)
(hardback)