MonographDOI
Estimating groundwater recharge
Richard W. Healy,Bridget R. Scanlon +1 more
- pp 74-96
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TLDR
In this article, a critical evaluation of the theory and assumptions that underlie methods for estimating rates of groundwater recharge is provided, with detailed explanations of the methods provided - allowing readers to apply many of the techniques themselves without needing to consult additional references.Abstract:
Understanding groundwater recharge is essential for successful management of water resources and modeling fluid and contaminant transport within the subsurface. This book provides a critical evaluation of the theory and assumptions that underlie methods for estimating rates of groundwater recharge. Detailed explanations of the methods are provided - allowing readers to apply many of the techniques themselves without needing to consult additional references. Numerous practical examples highlight benefits and limitations of each method. Approximately 900 references allow advanced practitioners to pursue additional information on any method. For the first time, theoretical and practical considerations for selecting and applying methods for estimating groundwater recharge are covered in a single volume with uniform presentation. Hydrogeologists, water-resource specialists, civil and agricultural engineers, Earth and environmental scientists and agronomists will benefit from this informative and practical book. It can serve as the primary text for a graduate-level course on groundwater recharge or as an adjunct text for courses on groundwater hydrology or hydrogeology. For the benefit of students and instructors, problem sets of varying difficulty are available at http://wwwbrr.cr.usgs.gov/projects/GW_Unsat/Recharge_Book/read more
Citations
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Journal ArticleDOI
Estimation of Evapotranspiration Across the Conterminous United States Using a Regression with Climate and Land-Cover Data
Ward E. Sanford,David L. Selnick +1 more
TL;DR: Sanford et al. as discussed by the authors used a water-balance method combined with a regression with climate and land-cover data to estimate actual evapotranspiration across the conterminous United States (U.S.).
Journal ArticleDOI
Monitoring and modeling water‐vegetation interactions in groundwater‐dependent ecosystems
TL;DR: A review of the available mathematical models that include the interaction between groundwater levels and vegetative water use can be found in this paper, where the authors describe the physiological features that characterize groundwater-dependent vegetation, review different methods to study vegetation water use in the field, and discuss recent advances in the understanding of how groundwater levels might determine vegetation composition.
Journal ArticleDOI
Observed controls on resilience of groundwater to climate variability in sub-Saharan Africa
Mark O. Cuthbert,Richard G. Taylor,Guillaume Favreau,Guillaume Favreau,Martin C. Todd,Mohammad Shamsudduha,Karen G. Villholth,Alan MacDonald,Bridget R. Scanlon,D. O. Valerie Kotchoni,Jean-Michel Vouillamoz,Fabrice M. A. Lawson,Philippe Armand Adjomayi,Japhet J. Kashaigili,David Seddon,James P.R. Sorensen,Girma Yimer Ebrahim,Michael Owor,Philip M. Nyenje,Y. Nazoumou,Ibrahim Baba Goni,Boukari Issoufou Ousmane,Tenant Sibanda,Matthew J. Ascott,David Macdonald,W. A. Agyekum,Youssouf Koussoube,Heike Wanke,Heike Wanke,Hyungjun Kim,Yoshihide Wada,Min-Hui Lo,Taikan Oki,Neno Kukuric +33 more
TL;DR: It is shown that levels of aridity dictate the predominant recharge processes, whereas local hydrogeology influences the type and sensitivity of precipitation–recharge relationships, and that a drier climate does not necessarily mean less recharge.
Journal ArticleDOI
Global Groundwater Sustainability, Resources, and Systems in the Anthropocene
TL;DR: In this article, the authors examine groundwater from three different but related perspectives of sustainability science, natural resource governance and management, and Earth Systems science, and propose that groundwater sustainability can be defined with a direct link with observable data, governance, and management as well as the crucial functions and services of groundwater.
References
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Journal ArticleDOI
A closed-form equation for predicting the hydraulic conductivity of unsaturated soils
van Genuchten,M. Th. +1 more
TL;DR: Van Genuchten et al. as mentioned in this paper proposed a closed-form analytical expression for predicting the hydraulic conductivity of unsaturated soils based on the Mualem theory, which can be used to predict the unsaturated hydraulic flow and mass transport in unsaturated zone.
Book
Conduction of Heat in Solids
H. S. Carslaw,John Conrad Jaeger +1 more
TL;DR: In this paper, a classic account describes the known exact solutions of problems of heat flow, with detailed discussion of all the most important boundary value problems, including boundary value maximization.
Book
Dynamics of fluids in porous media
TL;DR: In this paper, the Milieux poreux Reference Record was created on 2004-09-07, modified on 2016-08-08 and the reference record was updated in 2016.
Journal ArticleDOI
Natural evaporation from open water, bare soil and grass
TL;DR: It is shown that a satisfactory account can be given of open water evaporation at four widely spaced sites in America and Europe, the results for bare soil receive a reasonable check in India, and application of theresults for turf shows good agreement with estimates of evapolation from catchment areas in the British Isles.
Journal ArticleDOI
Large Area Hydrologic Modeling and Assessment Part i: Model Development
TL;DR: A conceptual, continuous time model called SWAT (Soil and Water Assessment Tool) was developed to assist water resource managers in assessing the impact of management on water supplies and nonpoint source pollution in watersheds and large river basins as discussed by the authors.
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Groundwater recharge: an overview of processes and challenges
Jacobus J. de Vries,Ian Simmers +1 more