sr_MI: data: low resolution locally weathered Sr isoscape for Michigan
Description
Modeled 87Sr/86Sr value of the local rock weathering flux, obtained from waterisotopes.org and aggregated to 10 km resolution.
Usage
sr_MI
Arguments
Format
SpatRaster with two layers. The first layer is the mean prediction and the second is 1 standard deviation (here estimated as 1 percent of the modeled mean)
References
Bataille, C. P. and Bowen, G. J. (2012) Mapping 87Sr/86Sr variations in bedrock and water for large scale provenance studies. Chemical Geology, 304--305, 39--52.