phenology {GISTools} | R Documentation |
Phenology data for North American lilacs
Description
Data set from Schwartz, M.D. and J.M. Caprio, 2003, North American First Leaf and First Bloom Lilac Phenology Data, IGBP PAGES/World Data Center for Paleoclimatology Data Contribution Series # 2003-078. NOAA/NGDC Paleoclimatology Program, Boulder CO, USA.
Usage
data(phenology)
Format
-
chinensis Syringa Chinensis Observation Stations
SpatialPointsDataFrame
- geographical projection -
chinensis2 Syringa Chinensis Observation Stations
SpatialPointsDataFrame
- equal area projection -
us_states States of US
SpatialPolygonsDataFrame
- geographical projection -
us_states2 States of US
SpatialPolygonsDataFrame
- equal area projection
Source
http://www.ncdc.noaa.gov/paleo/phenology.html
Examples
# Read in the data
data(phenology)
# Split the plot in two
opar <- par(mfrow=c(2,1))
# Plot US states
plot(us_states2)
# Add Locations of observation stations
plot(chinensis2,add=TRUE,pch=16,col='red')
# Plot a histogram of year of observation next to this
hist(chinensis2$Year)
par(opar)
[Package GISTools version 1.0-2 Index]