Author: Ann M. Rossi, Daniel R. Hirmas, Robert C. Graham and Paul D. Sternberg
This study examined the application of a relatively new automated three-dimensional scanning technology to bulk density determination of intact soil clods and rock fragments. The method uses an ...
Author: M. T. F. Wong, Y.M. Oliver and M. J. Robertson
Soil depth affects plant available soil water storage capacity (PAWC). This storage capacity is important for grain yield, deep drainage, and nitrate leaching in dryland environments but is difficult ...
Author: S. Cornu, J. A. Cattle, A. Samouëlian, C. Laveuf, L. R. G. Guilhermea and P. Albéric
Redox processes are responsible for Fe and Mn segregation as Fe–Mn oxide coatings or nodules. These nodules are also trace element scavengers in soils. Redox processes are of particular importance in ...
Author: A. Sz. Kishné, C. L. S. Morgan and W. L. Miller
Long-term observations of in situ crack formation and closure in shrink-swell soils are rare, but important to understanding hydrology in shrink-swell soils. To analyze spatial and temporal ...
Bromide is commonly used as a tracer in studies of water and chemical transport in soil and rock because it is relatively nonreactive with soil and rock constituents and because of its low ...
Author: David A. Robinson, Scott B. Jones, J. Mark Blonquist, Robert Heinse, Inma Lebron and Timothy E. Doyle
The observation of low dielectric values <2, consistent with the bright areas of the surface of Mars, is completely counter to expectation for soils dominated by mafic minerals, especially Fe ...
Author: Francis Zvomuya, Francis J. Larneyb, Paul R. DeMaereb and Andrew F. Olson
Water-based drilling mud (WBM) systems are used by the petroleum industry during drilling of oil and natural gas wells. Provincial regulations in western Canada allow disposal of spent WBM on ...
Author: Abdul R. Bah, Olena Kravchuk and Gunnar Kirchhof
Mathematical description of most classical particle size distribution (PSD) data is often used for estimating soil hydraulic properties. Fast laser diffraction (LD) techniques now provide more ...
The ability to quantify three dimensional (3-D) soil porous architecture is a key requirement in the advanced understanding of soil functioning. Recent developments in the visualization of soil ...
Author: Rodney T. Venterea, Kurt A. Spokas and John M. Baker
Chamber-based estimates of soil-to-atmosphere nitrous oxide (N2O) gas flux tend to underestimate actual emission rates due to inherently nonlinear time series data. In theory, this limitation can be ...
High-molecular-weight, anionic, linear polyacrylamide (PAM) is being evaluated as a means of sealing unlined water delivery canals to reduce seepage losses. In this study, we investigated water ...
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