ClimInd (version 0.1-2)

bi: Budyko Index

Description

Budyko Index is based on characteristics of the surface heat and water balance.

Usage

bi(data, pr, data_names = NULL, na.rm = FALSE, ...)

Arguments

data

net radiation, surface solar radiation downwards, J/m2

pr

precipitation

data_names

names of each period of time

na.rm

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

...

...

Value

Budyko Index

Formula

$$BI = 100\frac {Rn}{L*P}$$ Rn= annual net radiation, P = annual precipitation, L = latent heat of vaporization for water

References

Budyko M.I. The Heat Balance of the Earth's Surface U.S. Department of Commerce, Washington D.C (1958) 259 pp., translated by N.A. Stepanova

Examples

# NOT RUN {
data(data_all)
bi(data = data_all$radiation, pr = data_all$rr)
# }