# gilgais

0th

Percentile

##### Line Transect of Soil in Gilgai Territory

This dataset was collected on a line transect survey in gilgai territory in New South Wales, Australia. Gilgais are natural gentle depressions in otherwise flat land, and sometimes seem to be regularly distributed. The data collection was stimulated by the question: are these patterns reflected in soil properties? At each of 365 sampling locations on a linear grid of 4 meters spacing, samples were taken at depths 0-10 cm, 30-40 cm and 80-90 cm below the surface. pH, electrical conductivity and chloride content were measured on a 1:5 soil:water extract from each sample.

Keywords
datasets
##### Usage
gilgais
##### source

Webster, R. (1977) Spectral analysis of gilgai soil. Australian Journal of Soil Research 15, 191--204.

Laslett, G. M. (1989) Kriging and splines: An empirical comparison of their predictive performance in some applications (with discussion). Journal of the American Statistical Association 89, 319--409

##### References

Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.

##### Aliases
• gilgais
Documentation reproduced from package MASS, version 7.3-38, License: GPL-2 | GPL-3

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