irr.lands: Irrigated Lands

Description Usage Format Source See Also Examples

Description

Classification of irrigated lands in the Wood River Valley and surrounding areas; available for years 1996, 2000, 2002, 2006, 2008, 2009, and 2010.

Usage

1

Format

An object of list class with 7 SpatialPolygonsDataFrame components. The data.frame associated with each SpatialPolygons object has the following variable:

Status

status of land during the year reviewed, either “irrigated”, “semi-irrigated”, or “non-irrigated”.

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

Idaho Department of Water Resources, accessed on November 17, 2014; polygons derived from U.S. Department of Agriculture Common Land Unit polygons with some refinement of polygons. Irrigation status interpreted using satellite imagery and aerial photography.

See Also

irr.lands.year

Examples

1
2
sp::spplot(irr.lands[["2010"]], "Status")
print(irr.lands)

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