evapotranspiration |
|
evapotranspiration1 |
|
evapotranspiration2 |
|
(d) slope of saturation vapor pressure curve |
|
(g) psychometric constant |
|
(es) mean saturation vapor pressure |
|
(ea) actual vapor pressure derived from humidity |
|
(vpd) vapor pressure deficit |
|
(j) day of the year |
|
(dr) inverse relative distance earth-sun |
|
(d) solar declination |
|
(ws) sunset hour angle |
|
(ra) extraterrestrial radiation |
|
(n) daylight hours |
|
(rs) solar radiation |
|
(rso) clear-sky solar radiation |
|
(rns) net solar shortwave radiation |
|
(rnl) net longwave radiation |
|
(rn) net radiation |
|