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Uncertainty and Variability in River-Aquifer Models

  • Couverture cartonnée
  • 116 Nombre de pages
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The connections between streams and aquifers can be spatially variable and uncertain due to heterogeneity in geology and topograph... Lire la suite
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Description

The connections between streams and aquifers can be spatially variable and uncertain due to heterogeneity in geology and topography. During drought seasons, farming activities may induce critical peak pumping rates to supply irrigation water needs for crops. This may lead to increased concerns about reduction in baseflow and adverse impacts upon riverine ecosystems. Quantitative management of the groundwater is a required component in this particular human-nature system to evaluate the tradeoffs between irrigation agriculture and the ecosystems requirements. Forecast of the impact of pumping on river-aquifer exchange depends upon spatially variable hydrogeological parameters, as well as temporally uncertain streamflow. In this study a novel component - systems reliability analysis framework is developed to assess risk. Physical parameters uncertainty is studied in light of the Glover-Balmer (analytical) and MODFLOW (numerical) models, while temporal random streamflow is modeled as a Markov process. Reliability methods have been developed in the aerospace industry and extensively applied in structural engineering, but have only seen limited use in water resources so far.

Auteur

received his B.S. in Civil Engineering from the Universidad Industrial de Santander-Bucaramanga, his M.S. from the Universidad de Los Andes-Bogotá, and graduated as a Ph.D. from the University of Illinois at Urbana-Champaign. He has been on the faculty of Civil Engineering at the Universidad Pontificia Bolivariana in Bucaramanga since 1998.

Informations sur le produit

Titre: Uncertainty and Variability in River-Aquifer Models
Sous-titre: Component and System Reliability Analysis
Auteur:
Code EAN: 9783639665222
ISBN: 978-3-639-66522-2
Format: Couverture cartonnée
Editeur: Scholar's Press
Genre: Sciences de la terre
nombre de pages: 116
Poids: 191g
Taille: H7mm x B220mm x T150mm
Année: 2015