calc_TM_i: Calculate monthly heat index 'i' in Thornthwaite's...

Description Usage Arguments Value References

View source: R/thornthwaite_mather__i_monthly_heat_index.R

Description

This function returns monthly heat index i used in Thornthwaite's potential evapotranspiration calculation method. The equation used here is given in the text of Appendix 1 (page 89) in Thornthwaite (1948).

Usage

1
calc_TM_i(air_temp_C)

Arguments

air_temp_C

Mean monthly air temperature at a station, in degrees Celcius.

Value

Monthly heat index i in Thornthwaite's PET calculation method.

References

Thornthwaite, C.W., 1948, An Approach toward a Rational Classification of Climate: Geographical Review, v. 38, no. 1, p. 55.


smwesten-usgs/swbr documentation built on Nov. 27, 2019, 2:07 p.m.