Low particulate nitrate in the residual layer in autumn over the North China Plain

Guiqian Tang, Yinghong Wang, Yinghong Wang, Yusi Liu, Shuang Wu, Xiaojuan Huang, Yang Yang, Yiming Wang, Yiming Wang, Jiao Ma, Xiaolei Bao, Zirui Liu, Dongsheng Ji, Tingting Li, Xin Li, Yuesi Wang, Yuesi Wang