meteoandes: Mountain meteorological data

In insol: Solar Radiation

Description

Meteorological data from an automatic weather station in the Central Andes of Chile.

Usage

data(meteoandes)

Format

A data frame with 1152 observations on the following 10 variables.

year

Year

doy

Day of the year

hh

hour

mm

minute

Tair

Air temperature, grades centigrade

pyra1

Incoming solar short-wave radiation Wm^-2

pyra2

Reflected solar short-wave radiation Wm^-2

windspeed

Wind speed, ms^-1

winddir

Wind direction, degrees

RH

Relative humidity %

Source

Measured by the author on Loma Larga Glacier, -33.6917, -70.0, 4640 m a.s.l. January 2001.

References

Corripio, J. G. and Purves, R. S.: 2005, Surface energy balance of high altitude glaciers in the Central Andes: the effect of snow penitentes, in C. de Jong, D. Collins and R. Ranzi (eds), Climate and Hydrology in Mountain Areas, Wiley, London, chapter 3, pp. 15-27.

Examples

data(meteoandes)
str(meteoandes) 

# plot the 2 pyranometers measurements 
# one facing up: incident insolation, one facing down: reflected insolation

meteodate = strptime(paste(meteoandes$year,meteoandes$doy,meteoandes$hh,meteoandes$mm),
	format="%Y %j %H %M",tz="America/Santiago")
plot(meteodate,meteoandes$pyra1,'l',col=2,xlab='Date',
	ylab=expression(paste('Solar radiation [ ',Wm^-2,' ]')),
	main='Insolation at Loma Larga glacier') 
lines(meteodate,meteoandes$pyra2,col=4)

insol documentation built on Feb. 10, 2021, 5:08 p.m.