氮沉降模拟实验亟待研究大气氨浓度增加的影响

查看全文 作　　者：PAN [1]Yuepeng;TIAN [1]Shili;WU [2]Dianming;XU [3]Wen;ZHU [4]Xiaying;LIU [1]Chunyan;LI [5]Dejun;FANG [6]Yunting;DUAN [7]Lei;LIU [2]Xuejun;WANG [1]Yuesi

机构地区：[1]State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry(LAPC),Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing,China;[2]Key Laboratory of Geographic Information Sciences,Ministry of Education,School of Geographic Sciences,East China Normal University,Shanghai,China;[3]College of Resources and Environmental Sciences,China Agricultural University,Beijing,China;[4]National Climate Center,China Meteorological Administration,Beijing,China;[5]Key Laboratory of Agro-ecological Processes in Subtropical Region,Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha,Hunan,China;[6]CAS Key Laboratory of Forest Ecology and Management,Institute of Applied Ecology,Chinese Academy of Sciences,Shenyang,Liaoning,China;[7]State Key Laboratory of Environmental Simulation and Pollution Control,School of Environment,Tsinghua University,Beijing,China

出　　处：《Atmospheric and Oceanic Science Letters》索引2020年第13卷第3期,共4页

基　　金：This study was supported by the Major State Research Development Program of China[grant number 2017YFC-0210103]and the National Natural Science Foundation of China[grant numbers 41405144,41425007,and 41807449].Dianming WU was sponsored by the Shanghai Pujiang Program[grant number 18PJ1403500]and‘the Fundamental Research Funds for the Central Universities’. 摘　　要：大气活性氮污染及其过量沉降是全球变化重要议题。为研究氮沉降对自然生态系统结构和功能的影响,基于喷淋加氮的控制实验在草地或林下广泛开展。该实验体系假定氮沉降是通过增加土壤氮的有效性从而影响整个生态系统,没有考虑植被与大气活性氮的相互作用,也未能反映氮沉降以干沉降为主的自然过程。考虑到大气氨是氮沉降的主要前体物,且全球氨气浓度呈现上升趋势,未来的氮沉降模拟实验亟待研究氨气干沉降的重要影响,以期更加完整的刻画大气氮沉降过程及其生态环境效应。 关键词：氮沉降湿沉降干沉降氨气大气污染

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氮沉降模拟实验亟待研究大气氨浓度增加的影响

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