Downward transport of stratospheric air significantly mnodifes the chemical and radiation budget of the Earth's atmosphere.The Tibetan Plateau including the Himalayas is the largest and highest plateau on Earth an...Downward transport of stratospheric air significantly mnodifes the chemical and radiation budget of the Earth's atmosphere.The Tibetan Plateau including the Himalayas is the largest and highest plateau on Earth and one of the most climatically important,sen-sitive,and complex regions in the world.Its topography and ther-mal heating affect the evolution of the Asian monsoon system via its uplift,leading to complex stratospheric-tropospheric interac-tions that play an important role in the global mass budget[1].In addition,the plateau is impacted by both naturally and anthro-pogenically sourced chemicals and is the source area of many major Asian rivers providing a sustainable water supply and food security for billions of people[2].Constraining the intensity and integrated flux of stratosphere-to-troposphere transport and potential influences on atmospheric chemistry and deposition at the Tibetan Plateau and surrounding regions is therefore central to quantifcation of their consequences for the hydrosphere and cryosphere near term and in the future.展开更多
基金supported by Key Research Program of Frontier Sciences of Chinese Academy of Sciences(ZDBS-LY-DQC035)the National Natural Science Foundation of China(42021002)to Mang Lin+1 种基金partially supported by Chinese Academy of Sciences(XDA20040501)the National Natural Science Foundation of China(41630754,41721091)to Shichang Kang.
文摘Downward transport of stratospheric air significantly mnodifes the chemical and radiation budget of the Earth's atmosphere.The Tibetan Plateau including the Himalayas is the largest and highest plateau on Earth and one of the most climatically important,sen-sitive,and complex regions in the world.Its topography and ther-mal heating affect the evolution of the Asian monsoon system via its uplift,leading to complex stratospheric-tropospheric interac-tions that play an important role in the global mass budget[1].In addition,the plateau is impacted by both naturally and anthro-pogenically sourced chemicals and is the source area of many major Asian rivers providing a sustainable water supply and food security for billions of people[2].Constraining the intensity and integrated flux of stratosphere-to-troposphere transport and potential influences on atmospheric chemistry and deposition at the Tibetan Plateau and surrounding regions is therefore central to quantifcation of their consequences for the hydrosphere and cryosphere near term and in the future.