redfieldNP {ocedata}R Documentation

Redfield's (1934) NO3 and PO4 data

Description

Data digitized from Redfield's (1934) Figure 1, showing \textrm{NO}_3 dependence on \textrm{PO}_4. This dataset is used in Chapter 4 of Kelley (2018).

Usage

data(redfieldNP, package="ocedata")

References

  1. Kelley, Dan E. Oceanographic Analysis with R. 1st ed. 2018. New York, NY: Springer New York: Imprint: Springer, 2018. doi:10.1007/978-1-4939-8844-0.

  2. Alfred C. Redfield, 1934. On the proportions of organic derivations in sea water and their relation to the composition of plankton. Pages 177–192 in James Johnstone Memorial Volume, University Press of Liverpool.

See Also

Other data related to Redfield (1934): redfieldNC, redfieldPlankton

Examples

data(redfieldNP, package="ocedata")
plot(redfieldNP$PO4, redfieldNP$NO3,
    xlab=expression(PO[4]), ylab=expression(NO[3]))
abline(0, 20, lwd=3)  # slope N:P = 20:1, shown by Redfield
[Package ocedata version 0.2.2 Index]