Rise and fall of nitrogen deposition in the United States.
State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China; College of Resources Science & Technology, Beijing Normal University, Beijing 100875, China enzaidu@bnu.edu.cn.
Enzai
E
Du
D000393:Air Pollutants; D004784:Environmental Monitoring; D006801:Humans; D009584:Nitrogen; D014481:United States
D000393:Air Pollutants; D009584:Nitrogen