Fig. 2: The variations of nocturnal uptake coefficient of NH3 (γNH3).
From: Dust emission reduction enhanced gas-to-particle conversion of ammonia in the North China Plain
a Time series of nocturnal γNH3 in Shijiazhuang (SJZ) and Beijing (BJ), b probability distribution of nocturnal γNH3 in Shijiazhuang, and c probability-weighted nocturnal γNH3 in Shijiazhuang and Beijing. The equation of the dashed line is γNH3 = 2.50 × 10−4 + 6.58 × 10−5t (R = 0.83, t: year).
