Previously, soil profile comparison methods from the aqp package only took into account horizon-level attributes. As of last week the profile_compare() function can now accommodate horizon and site-level attributes. In other words, it is now possible t... [Read more...]

A friend of mine recently published a very interesting article on the pedologic interpretation of asymetric peak functions fit to soil profile data (Myers et al., 2011). I won't bother summarizing or paraphrasing the article here, as the original artic... [Read more...]

Thanks to some help from Pierre Roudier, the aqp package now has some new S4-style classes and methods-- custom tailored to the complexities of soil profile data. These new classes/methods are only available in the aqp development branch, found on our ... [Read more...]

Just released an updated version of our 'aqp' package for quantitative soils investigations, available on CRAN and R-Forge. Some of the major changes are listed below: from the aqp NEWS file: -------------------------- aqp 0.98-1 (2010-11-23) --------... [Read more...]

Two examples of the output from the profile_plot() function, using data from the Sierra Foothill Region, CA. read more [Read more...]

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Major updates to the SoilWeb iPhone Application. read more [Read more...]