import_WSM2016: World Stress Map Database (WSM) Release 2016

In tectonicr: Analyzing the Orientation of Maximum Horizontal Stress

World Stress Map Database (WSM) Release 2016

Description

Download WSM2016 database from the GFZ sever and applies optional filters. If destdir is specified, the data can be reloaded in a later R session using load_WSM2016() using the same arguments.

Usage

download_WSM2016(destdir = tempdir(), load = TRUE, ...)

load_WSM2016(
  file,
  quality = c("A", "B", "C", "D", "E"),
  lat_range = c(-90, 90),
  lon_range = c(-180, 180),
  depth_range = c(-Inf, Inf),
  method = c("BO", "BOC", "BOT", "BS", "DIF", "FMA", "FMF", "FMS", "GFI", "GFM", "GFS",
    "GVA", "HF", "HFG", "HFM", "HFP", "OC", "PC", "SWB", "SWL", "SWS"),
  regime = c("N", "NS", "T", "TS", "S", NA)
)

Arguments

destdir	where to save files, defaults to base::tempdir(), base::getwd() is also possible.
load	TRUE load the dataset into R, FALSE return the file name of the downloaded object.
...	(optional) arguments passed to load_WSM2016()
file	the name of the file which the data are to be read from.
quality	a character vectors containing the quality levels to be included. Includes all quality ranks (A-E) by default.
lat_range, lon_range	two-element numeric vectors giving the range of latitudes and longitudes (in degrees).
depth_range	two-element numeric vectors giving the depth interval (in km)
method	a character vectors containing the methods of stress inversion to be included. Includes all methods by default. See WSM2016 manual for used acronyms.
regime	a character vectors containing the stress regimes to be included. Acronyms: "N" - normal, "T" - thrust, "S" - strike-slip, "NS" - oblique normal, "TS" - oblique thrust, and NA - unknown faulting

Value

sf object of and the parsed numeric uncertainty (unc) based on the reported standard deviation and the quality rank. If load=FALSE, the path to the downloaded file is returned.

Note

Differences to the original dataset: All column names have been changed from uppercase in the original dataset to lowercase characters. Unknown azimuth values are represented by NA values instead of 999 in the original. Unknown regime is represented by NA instead of "U" in the original.

Source

https://datapub.gfz-potsdam.de/download/10.5880.WSM.2016.001/wsm2016.csv

References

Heidbach, O., M. Rajabi, X. Cui, K. Fuchs, B. M<U+00FC>ller, J. Reinecker, K. Reiter, M. Tingay, F. Wenzel, F. Xie, M. O. Ziegler, M.-L. Zoback, and M. D. Zoback (2018): The World Stress Map database release 2016: Crustal stress pattern across scales. Tectonophysics, 744, 484-498, \Sexpr[results=rd]{tools:::Rd_expr_doi("10.1016/j.tecto.2018.07.007")}.

Examples

## Not run: 
download_WSM2016(
  quality = c("A", "B", "C"), lat_range = c(51, 72),
  lon_range = c(-180, -130), depth_range = c(0, 10), method = "FMS"
)

## End(Not run)

tectonicr documentation built on Sept. 11, 2024, 6:05 p.m.