wilson holds Wilson's (1963) table of seafloor spreading, extracted from
his Table 1, taking only the first 3 columns, and only those rows for which
Wilson reported an estimate of spreading rate. This dataset was used in
Chapter 4 of Kelley (2018).
data(wilson, package="ocedata")References
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 .
J. Tuzo Wilson, 1963. Evidence from islands on the spreading of ocean floors. Nature, 197(4867):536-538. doi: 10.1038/197536a0
Examples
data(wilson, package="ocedata")
plot(wilson$Age, wilson$Distance, xlab="Age [My]", ylab="Distance [km]",
xlim=c(125,0), ylim=c(0,4000))
abline(0,4000/125)
m <- lm(Distance~Age-1, data=wilson)
# Wilson reports in cm/year; 1cm/y = 1km/1My * 1e5 / 1e6
spreadingRate <- as.numeric(coef(m)) / 10
print(spreadingRate)
#> [1] 2.416045
abline(m, col=2)
