View source: R/function_routines.R
(Model) Interpolate Julian dates for reference temperatures in spring and fall from monthly mean temperatures.
1 | tdatev(tvec, tref, tdir, yy)
|
tvec |
data frame with mean monthly temperatures from Dec (Y-1) through Jan-Dec (Y) to Jan(Y+1) |
tref |
threshold temperature C |
tdir |
value indicates whether the temperature is rising (1) or falling (-1) |
yy |
calendar year (allows day counts to be adjusted for leap years) |
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