#
# GNUPlot start creation file
# Eric Thern
# usage:  # gnuplot < setupplots
#

#
# concentrations
#
reset
set xlabel "Kilometers Inland"
set ylabel "Chemical Composition (mg/L)"
set title "Major ionic species in precipitation vs.\
 distance from the Atlantic for the Amazon Basin."
set grid
set data style linespoints
set terminal postscript eps color
set output "concentrations.eps"
plot 'concentrations' using ($1):($2) smooth csplines title "Na+",\
 'concentrations' using ($1):($3) smooth csplines title "Ca2+",\
 'concentrations' using ($1):($4) smooth csplines title "Cl-",\
 'concentrations' using ($1):($5) smooth csplines title "SO4 2-"