ClimInd (version 0.1-2)

koi: Kerner Oceanity Index

Description

KOI analysed the oceanity assuming that marine climates have colder spring months in comparison with the autum nmonth.

Usage

koi(data, data_names = NULL, na.rm = FALSE, ...)

Arguments

data

medium temperature

data_names

names of each period of time

na.rm

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

...

...

Value

Kerner Oceanity Index

Formula

$$KOI = \frac {100(TGo-TGa)}{Thm-Tcm}$$ TGo = Average temperature of October TGa = Average temperature of April Thm = Average temperature of the hottest month (Celsius); Tcm = Average temperature of the coldest month (Celsius)

References

Zambakas J. 1992.General Climatology. Department of Geology,National & Kapodistrian University of Athens, Athens. Gavilan RG. 2005. The use of climatic parameters and indices in vege-tation distribution. A case study in the Spanish System Central.Int. J.Biometeorol.50: 111<U+2013>120.

Examples

# NOT RUN {
data(data_all)
koi(data = data_all$tg)
# }