Download Groundwater Recharge in a Desert Environment: The by James F. Hogan, Fred M. Phillips, Bridget R. Scanlon PDF

By James F. Hogan, Fred M. Phillips, Bridget R. Scanlon

Released by way of the yankee Geophysical Union as a part of the Water technological know-how and alertness Series.

Groundwater recharge, the flux of water around the water desk, is arguably the main tough section of the hydrologic cycle to degree. In arid and semiarid areas the matter is exacerbated by way of super small recharge fluxes which are hugely variable in area and time.
--from the Preface

Groundwater Recharge in a wasteland surroundings: The Southwestern United States speaks to those matters via providing new interpretations and learn after greater than 20 years of discipline-wide examine. Discussions ondeveloping environmental tracers to fingerprint assets and quantities of groundwater on the basin scalethe severe position of plants in hydroecological processesnew geophysical tools in quantifying channel rechargeapplying Geographical info approach (GIS) versions to land floor processescoupling process-based vadose region to groundwater modeling, and extra make this e-book an important source for hydmlogists, biogeoscientists, and geochemists concerned about water and water-related concerns in arid and semiarid regions.


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Additional resources for Groundwater Recharge in a Desert Environment: The Southwestern United States

Sample text

Bristow,Equationfor extending water-retentioncurvesto dryness,Soil Sci. Am. , 55,923927, 1991. , andJ. R. ,30, 701-708, 1994. Scanlon,B. , Evaluation of moistureflux from chloride data in desertsoils,J. , 128,137-156, 1991. Scanlon,B. , Moistureandsoluteflux alongpreferredpathways characterizedby fissuredsedimentsin desertsoils,J. Contam. , 10, 19-46, 1992. Scanlon,B. , Water and heat fluxes in desertsoils 1. Res. 30, 709-719, 1994. Scanlon,B. , andP. C. D. Milly, Water andheatfluxesin desert soils 2.

The authorsgratefully acknowledge helpfulcommentsprovidedby anonymousreviewers. Vol. 9 AND SCANLON 27 in Estimationof Natural GroundwaterRecharge,editedby I. Simmers,pp. 49-72, D. , 1988. Andraski, B. , 33, 1901-1916, 1997. Betancourt,J. , T. R. S. 'TheLast 40,000 Yearsof Biotic Change,The Univ. of Ariz. , 1990. Brooks,R. , and A. T. , FortCollins,1964. , R. B. Jackson,and J. R. Ehleringer,Maximum rooting depthof vegetationtypesat the global scale,Oecologia, 108, 583-595, 1996. , G. S. Campbell,andT.

The field lay dormant from 1983 through1991, goingback into production in the springof 1992. Since1992, irrigationratesin field 2 have been about the same as in field 1. Field 3 went into productionshortlyafter field 2. Until the early 1970'sthe field producedturf. The field producedalfalfa starting in 1987. 8 m per year. Irrigationwater is pumpedfrom individualwells (one for eachfield). The field-1 well was sampledin February2001. The field-2 well was sampledin January2002. The field-3 well was sampled in March 1974, February 2001, and Vol.

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