vadose zone

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vadose zone

[′vā‚dōs ‚zōn]
(geology)
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These diffractions probably originated from shallow epigene enlargement of fractures or joints by descending vadose waters (Fig.
Modeling the air-soil transport pathway of perfluorooctanoic acid in the mid-Ohio Valley using linked air dispersion and vadose zone models.
Annan, "Measuring soil water content with ground penetrating radar: a review," Vadose Zone Journal, vol.
Most of the input data like depth to water, aquifer media, soil media, vadose zone and hydraulic conductivity had been taken from water and power development authority (WAPDA), Lahore.
This type of overgrowth cement is characterized by calcite cement formed around the echinoderms fragments as overgrowth in optical continuity and is formed in near-surface marine vadose marine and meteoric-phreatic environments (FlA1/4gel 1982 2004).
A constitutive model for air-NAPL-water flow in the vadose zone accounting for immobile, non-occluded (residual) NAPL in strongly water-wet porous media", Journal of contaminant hydrology, 73: 283-304.
Bradford, "Vadose Zone Modeling: Introduction and Importance," Vadose Zone Journal, Vol.
Carbonate cement can precipitate in both vadose and phreatic hydrologic environments, which are distinguished by specific mechanisms and cement characteristics that are unique to or more prevalent in particular environments (Vogt & Corte 1996; Hall et al.
He strives to be readable and yet avoid the vice of oversimplification; thus along with, for instance, chapters about the hydrologic cycle, aquifers, and contemporary groundwater supply issues, there are also chapters on vadose water and phreatic water and applied hydrogeology.
Two dimensional laboratory simulation of LNAPL infiltration and redistribution in the vadose zone.
It can thus be manifested that the recent tufa show similar characteristics of the internal features and fabrics as the fossil tufa except for the absence of diagenetic features as the formation of sparry crusts resulting from cementation and recrystallization as well as large calcite formed by vadose and phreatic diagenesis.