ClimInd (version 0.1-3)

moi: Marsz Oceanity Index

Description

The annual range of monthly mean air temperatures grados

Usage

moi(data, lat, data_names = NULL, na.rm = FALSE, ...)

Arguments

data

daily mean temperature, Celsius

lat

latitude, degree

data_names

names of each period of time

na.rm

logical. Should missing values (including NaN) be removed?

...

further arguments passed to or from other methods

Value

index value

Formula

$$MOI=\frac {0.731 \phi +1.767}{Thm-Tcm}$$ Phi = geographical latitude; Thm = Average temperature of the hottest month (Celsius); Tcm = Average temperature of the coldest month (Celsius)

References

Marsz A, Rakusa-Suszczewskis S. 1987. Charakterystyka ekologiczna rejonu Zatoki Admiralicji (King George Island, SouthShetland Islands). 1. Klimat i obszary wolne od lodu.Kosmos36:103<U+2013>127.

Examples

# NOT RUN {
data(data_all)
moi(data = data_all$tg, lat = data_all$lat)
# }