Effects of Environmental Factors on Ozone Flux over a Wheat Field Modeled with an Artificial Neural Network

Table 3

Input parameters and their ranges for different models.

Variable	Unit	Min	Max	Mean
Air temperature (Ta)	C	−5.4	30.6	12.6
Relative humidity (RH)	%	14	100	57
Wind speed (U)	m·s^−1	0	7.2	3.6
Ozone concentration ()	Ppb	1.0	124.2	62.6
Global radiation (Q)	W·m^−2	0	924	462
Sensible heat flux (H)	W·m^−2	−100	300	100
Latent heat flux (LE)	W·m^−2	0	560	280
CO2 flux (Fc)	mg·m^2·s^−1	−2.2	0.2	−1.0