Spatial variability of morphological properties at a Florida flatwoods site

Document Type

Article

Publication Date

1-1-1990

Abstract

Soil profiles were described on a grid at 60m intervals to assess the variability of soil morphological properties in 60ha of Florida flatwoods. Depths from the soil surface to the spodic and argillic horizons were mapped using field data supplemented with kriged values. The occurrence of a single deep spodic horizon at a few peripheral locations influenced the structure of variograms and contributed to anisotropy. The variance structure model for spodic horizon depth in the overall 60ha site accurately described the variance structure for the subarea. At some sampling locations, neither a spodic nor an argillic horizon was observed. Although the variance structure of depth to the argillic horizon could be described using an anisotropic variogram model, better estimates of depth of the argillic horizon were obtained using variograms of residuals and drift functions. -from Authors

Publication Source (Journal or Book title)

Soil Science Society of America Journal

First Page

527

Last Page

533

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