RRprofile is the hydrographic profile used by Reiniger and Ross (1968, Table 2) to illustrate the use of their method for interpolating oceanographic data.

data(RRprofile, package="ocedata")

References

R.F. Reiniger and C.K. Ross, 1968. A method of interpolation with application to oceanographic data. Deep Sea Research, 15, 185-193.

Examples

data(RRprofile, package="ocedata")
if (FALSE) {
library(oce)
par(mgp=getOption('oceMgp'))
par(mar=c(3,3,1,1))
ctd <- as.ctd(RRprofile$salinity, RRprofile$temperature, RRprofile$depth)
plot(ctd)
zz <- seq(0,2000,5)
plot(RRprofile$temperature, RRprofile$depth, ylim=c(500,0), xlim=c(2,11),
     xlab="Temperature", ylab="Depth [m]")
TT <- oceApprox(RRprofile$depth, RRprofile$temperature, zz)
lines(TT, zz)
a <- approx(RRprofile$depth, RRprofile$temperature, zz)
lines(a$y, zz, col='red')
s <- smooth.spline(RRprofile$depth, RRprofile$temperature)
lines(predict(s, zz)$y, zz, col='blue')
legend("topright", lwd=1, col=c("black", "red", "blue"),
      legend=c("oceApprox", "approx", "smooth.spline"), cex=2/3)
}