snow24km: Sample 24km snow data frames

In ABoVE-AotM/above: Functions and methods for the Animals on the Move project of the Arctic Boreal Vulnerability Experiment (ABoVE - NASA).

Description

Two data frames: snow.2011.016 and snow.2011.150 containing grid coordinates and snow coverage in North America from two days in 2011: Jan 16 (day 016) and May 30 (day 150). The raw data files are located here: ftp://sidads.colorado.edu/pub/DATASETS/NOAA/G02156/24km/2011/

Usage

data(snow24km)

Format

data frame with 11 columns:

lon,lat

longitude and latitude - midpoint of grid cell

lon.ll,lon.ul,lon.ur,lon.lr

longitudes of corners of grid

lat.ll,lat.ul,lat.ur,lat.lr

latitudes of corners of grid

snow

snow coverage: 2 = no snow, 3 = sea ice, 4 = snow

area

of grid cell, in km^2

Source

National Ice Center. 2008, updated daily. IMS Daily Northern Hemisphere Snow and Ice Analysis at 1 km, 4 km, and 24 km Resolutions, Version 1. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: http://dx.doi.org/10.7265/N52R3PMC.

Examples

data(snow24km)
par(mfrow = c(1,2))
plotSnowData(snow.2011.016); title("Jan 16, 2011")
plotSnowData(snow.2011.150); title("May 30, 2011")

ABoVE-AotM/above documentation built on May 28, 2020, 6:08 a.m.