wl.200610: Groundwater-Level Contours for October 2006

Description Usage Format Source References Examples

Description

Groundwater-level contours with a 20 foot (6.096 meter) contour interval for the unconfined aquifer in the Wood River Valley, south-central Idaho, representing conditions during October 2006.

Usage

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Format

An object of SpatialLinesDataFrame class containing 265 Lines and a data.frame with the following variables:

CONTOUR

groundwater elevation contour value in meters above the North American Vertical Datum of 1988 (NAVD 88).

certainty

certainty of the groundwater-level contour based on data position and density, specified as "good" or "poor".

Geographic coordinates are in units of meters, in conformance with the North American Datum of 1983 (NAD 83), and placed in the Idaho Transverse Mercator projection (IDTM).

Source

This dataset is from Plate 1 in Skinner and others (2007), and available on the WRD NSDI Node.

References

Skinner, K.D., Bartolino, J.R., and Tranmer, A.W., 2007, Water-resource trends and comparisons between partial development and October 2006 hydrologic conditions, Wood River Valley, south-central, Idaho: U.S. Geological Survey Scientific Investigations Report 2007-5258, 30 p., available at https://pubs.usgs.gov/sir/2007/5258/

Examples

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is.good <- wl.200610@data$certainty == "good"
sp::plot(wl.200610[is.good, ], col = "blue")
sp::plot(wl.200610[!is.good, ], col = "red", lty = 2, add = TRUE)
str(wl.200610@data)

USGS-R/wrv documentation built on June 30, 2020, 11:07 p.m.