First simultaneous measurements of peroxyacetyl nitrate (PAN) and ozone at Nam Co in the central Tibetan Plateau: impacts from the PBL evolution and transport processes
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
Hualong Zhang
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
now at: Guangdong Meteorological Observatory, Guangzhou,
Guangdong, China
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
Meteorological Observation Center, China Meteorological
Administration, Beijing, China
now at: College of Life and Environmental Sciences, Minzu
University of China, Beijing, China
Ying Wang
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
Wanyun Xu
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
Shihui Jia
State Key Laboratory of Severe Weather & Key Laboratory
for Atmospheric Chemistry of China Meteorological Administration, Chinese
Academy of Meteorological Sciences, Beijing, China
now at: School of Environment and Energy, South China
University of Technology, Guangzhou, Guangdong, China
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We present the first simultaneous PAN and O3 measurements from the central Tibetan Plateau. Both gases showed unique diurnal cycles with steep rises in the early morning and broader daytime platforms, which is attributed to the PBL evolution. Some high PAN and O3 episodes were observed and caused either by long-range transport of pollutants from south Asia or by downward transport of air masses from the upper troposphere, indicating the dynamic impacts on tropospheric chemistry over the Tibet.
We present the first simultaneous PAN and O3 measurements from the central Tibetan Plateau. Both...
