Aerosol characteristics at the three poles of the Earth as characterized by Cloud–Aerosol Lidar and Infrared Pathfinder Satellite Observations
نویسندگان
چکیده
Abstract. To better understand the aerosol properties over Arctic, Antarctic and Tibetan Plateau (TP), optical were investigated using 13 years of CALIPSO (Cloud–Aerosol Lidar Infrared Pathfinder Satellite Observations) L3 data, back trajectories for air masses also simulated Hybrid Single-Particle Lagrangian Integrated Trajectory (HYSPLIT) model. The results show that depth (AOD) has obvious spatial- seasonal-variation characteristics, loading Eurasia, Ross Sea South Asia is relatively large. annual-average AODs TP are 0.046, 0.024 0.098, respectively. Seasonally, AOD values larger from late autumn to early spring in winter Antarctic, summer TP. There no significant temporal trends anomalies three study regions. Clean marine dust-related aerosols dominant types ocean land, respectively, both Arctic while have greater occurrence frequency (OF) OF elevated smoke large a broad range heights, indicating they likely transported aerosols, other mainly occurred at heights below 2 km Arctic. maximum occurs 6 altitude analysis shows differences among different regions seasons. region more vulnerable mid-latitude pollutants than region, especially spring, Iranian Plateau, Tarim Basin Asia.
منابع مشابه
A global view of horizontally oriented crystals in ice clouds from Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observation (CALIPSO)
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ژورنال
عنوان ژورنال: Atmospheric Chemistry and Physics
سال: 2021
ISSN: ['1680-7316', '1680-7324']
DOI: https://doi.org/10.5194/acp-21-4849-2021