HV_subsoilpH: Hunter Valley subsoil pH data with environmental covariates

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A dataframe carrying point coordinates for 506 observations of soil pH from the Lower Hunter Valley, NSW, Australia. The depth interval of the observation is 60-100cm. Together with the soil pH information is environmental covariate data that have been intersected with the point data. The environmental covariates have been sourced from a digital elevation model and Landsat 7 spectral band reflectance.




HV_subsoilpH is 506 row dataframe with the first 2 columns indicating the projected coordinate locations. The coordinate reference system is WGS 84 Zone 56. Soil pH for the 60-100cm depth interval is recorded in the following column. A suite of intersected environmental covariate data fills the remaining columns. This environmental covariate information refers to:


The area in question is the Hunter Wine Country Private Irrigation District (HWCPID), situated in the Lower Hunter Valley, NSW (32.83S 151.35E), and covers an area of approximately 220 km2. The HWCPID is approximately 140 km north of Sydney, NSW, Australia. Climatically, the HWCPID is situated in a temperate climatic zone, and experiences warm humid summers, and relatively cooler yet also humid winters. Rainfall is mostly uniformly distributed throughout the year. On average the HWCPID receives just over 750 mm of rainfall annually. In terms of land use, an expansive viticultural industry is situated in the area and is possibly most widespread of rural industries, followed by dry land agricultural grazing systems.


This data set is used in the Use R for Digital Soil Mapping manual in the section about quantification of uncertainties.




ithir documentation built on May 2, 2019, 4:49 p.m.

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