The High Order Conservative Method for the Parameters Estimation in a PM_2.5 Transport Adjoint Model

Table 1

Error statistics of different interpolation matched optimal IPs distribution scheme.

Experiment	J300/	(μg/m^3)		(μg/m^3)		(10^−6 μg/m^3/s)
		Before	After	Before	After	Before	After
Cressman		32.81	0.74	6.33	1.35	3.16	0.93
PPM		32.81	0.28	6.33	1.13	3.16	0.86
PPM		32.81	0.19	6.33	1.10	3.16	0.81

is the final value of cost function and is the initial value of cost function. is the MAEs between simulated values and “observations” in “assimilated cities.” and are the MAEs between prescribed and inverted IC and SS, respectively.