Stochastic soil moisture dynamics and vegetation response

Amilcare Porporato, Ignacio Rodríguez-Iturbe

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

This chapter describes work on a stochastic soil moisture model that has been used to investigate the relationship between the hydrologic and vegetation dynamics ecohydrology in water-controlled ecosystems. Such systems are complex evolving structures whose characteristics and dynamic properties depend on many links between climate, soil, and vegetation. After a discussion of the soil water balance and a brief account of rainfall modeling, infiltration, and runoff, evapotranspiration and drainage are sketched. The probabilistic modeling of the soil moisture process and of long-term water balance are discussed, followed by minimalist modeling of soil moisture dynamics. The chapter concludes with a brief account of plant water stress, with an application to the Kalahari precipitation gradient.

Original languageEnglish (US)
Title of host publicationCelebrating Statistics
Subtitle of host publicationPapers in Honour of Sir David Cox on his 80th Birthday
PublisherOxford University Press
Volume9780198566540
ISBN (Electronic)9780191718038
ISBN (Print)9780198566540
DOIs
StatePublished - Sep 1 2007
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Mathematics(all)

Keywords

  • Ecohydrology
  • Hydrology
  • Kalahari
  • Plant water stress
  • Rainfall
  • Runoff
  • Soil moisture
  • Soil water balance
  • Vegetation

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