Zobrazeno 1 - 10
of 40
pro vyhledávání: '"R.L. Peyton"'
Publikováno v:
Complex Adaptive Systems
Groundwater vulnerability to pollutant transport through soil and geologic materials is an environmental concern. A study was conducted to evaluate selected methods for averaging pixels in computed tomography (CT) images obtained with dynamic chemica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6b609eb6be65dd518d7da64410df2733
https://doi.org/10.1016/j.procs.2015.09.188
https://doi.org/10.1016/j.procs.2015.09.188
Publikováno v:
Complex Adaptive Systems
Challenges with transport of dense non-aqueous phase liquids (DNAPLs) in geomedia have been observed by scientists and engineers. Detection of residual amounts of dense non-aqueous phase liquids in porous earth materials is important to understand th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f074e4398e16771bac01b59e24ab9f2
Publikováno v:
Complex Adaptive Systems
Transport of pollutants to groundwater through geomedia is of concern to environmental engineers and scientists. The objective of this study was to utilize computed tomography (CT) to evaluate chemical transport through several undisturbed geomedia c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1f4fe72a166a3d9f1eb0688a275d33cd
https://doi.org/10.1016/j.procs.2014.09.068
https://doi.org/10.1016/j.procs.2014.09.068
Publikováno v:
Complex Adaptive Systems
Assessment of chemical transport in vadose zone environments is critical for conserving the quality of groundwater. This project evaluated lognormal and convection-dispersion transfer function models with a conservative tracer through soil columns wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fdc1df19cf82ddb656ce22b930688ba
https://doi.org/10.1016/j.procs.2013.09.259
https://doi.org/10.1016/j.procs.2013.09.259
Publikováno v:
Complex Adaptive Systems
Chemical dispersivity is a common parameter needed for pollutant fate and transport models in geomedia environments. This study estimated the effect of distance on dispersivity measured in columns using X-ray computed tomography. Columns containing n
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6ac0fb92d075c78e60ce2f5234cb1a91
Publikováno v:
Geological Society, London, Special Publications. 215:135-149
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::788ad4845ee3cb679675bab0007d6d20
https://doi.org/10.1144/gsl.sp.2003.215.01.13
https://doi.org/10.1144/gsl.sp.2003.215.01.13
Publikováno v:
Soil and Tillage Research. 61:203-212
Several equations exist to describe the relationship between concentrated-flow detachment and shear stress ( τ ). However, the advantages and disadvantages of these equations for specific circumstances remain unclear. This study examines the perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::406d5296bd5d1d1bd2ed190cdd5a8e86
https://doi.org/10.1016/s0167-1987(01)00207-0
https://doi.org/10.1016/s0167-1987(01)00207-0
Publikováno v:
Soil Science Society of America Journal. 59:211-218
Concentrated-flow erosion is often a major part of cropland erosion. The concentrated-flow processes of bed scour and head cut need improved characterization to better predict and prevent erosion. This study was conducted to compare the erosion rates
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa76e6711dcad954390470946bd9759a
https://doi.org/10.2136/sssaj1995.03615995005900010032x
https://doi.org/10.2136/sssaj1995.03615995005900010032x
Publikováno v:
Geoderma. 53:329-340
X-ray CT data are used to quantify macropore hole perimeters, equivalent hole diameters and hole porosities in undisturbed soil cores from the same soil taken from a forest and from a field in perennial grasses. This analysis demonstrates the capabil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ada4b398a33e864b99b3eee4b1592e8
https://doi.org/10.1016/0016-7061(92)90062-c
https://doi.org/10.1016/0016-7061(92)90062-c
Publikováno v:
Geoderma. 53:387-398
Application of computed tomography (CT) using selected tracers for in-situ monitoring of solute transport in soil cores is useful for identifying the influence of soil structure on solute movement. The objective of this study was to apply X-ray CT te
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b78e20dc6b440bf1502463a0d360f891
https://doi.org/10.1016/0016-7061(92)90066-g
https://doi.org/10.1016/0016-7061(92)90066-g