Marsz Oceanity Index
The annual range of monthly mean air temperatures grados
moi(data, lat, data_names = NULL, na.rm = FALSE, ...)
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 |
index value
MOI=\frac {0.731 φ +1.767}{Thm-Tcm}
Phi = geographical latitude; Thm = Average temperature of the hottest month (Celsius); Tcm = Average temperature of the coldest month (Celsius)
Marsz A, Rakusa-Suszczewskis S. 1987. Charakterystyka ekologiczna rejonu Zatoki Admiralicji (King George Island, SouthShetland Islands). 1. Klimat i obszary wolne od lodu.Kosmos36:103–127.
data(data_all) moi(data = data_all$tg, lat = data_all$lat)
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