Table 1.

Correlation coefficient (R), mean bias (MB, kg ha⁻¹), and normalized mean bias (NMB, %) for all the annual accumulated wet deposition (WDEP) between the model and NADP sites from 1990 to 2010, including both model values with and without applying monthly/annual precipitation adjustment.

		TNO3	NHX	TSOX
R	No adjustment	0.89	0.77	0.92
	Monthly Precip-adjust	0.91	0.81	0.94
	Annual Precip-adjust	0.92	0.81	0.94
MB	No adjustment	−1.92	−0.50	−0.37
	Monthly Precip-adjust	−1.89	−0.52	−0.53
	Annual Precip-adjust	−2.16	−0.56	−0.77
NMB	No adjustment	−31.6	−30.9	−5.1
	Monthly Precip-adjust	−32.1	−33.7	−7.5
	Annual Precip-adjust	−35.6	−35.1	−10.5
R for trends	No adjustment	0.85	0.35	0.86
	Monthly Precip-adjust	0.94	0.64	0.95
	Annual Precip-adjust	0.94	0.66	0.95