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Assessing PM2.5, aerosol, and aerosol optical depth concentrations in hefei using MODIS, CALIPSO, and ground-based lidar
Abstract
Due to the complications in the measurement of fine particulate matter (PM2.5), this paper proposes a method using lidar for assessing PM2.5. By calculating the aerosol optical depth (AOD) for MODIS, CALIPSO, and ground-based lidar, the corrected PM2.5 was predicted. The results showed that AOD and PM2.5 had a linear relationship. The linear correlation coefficient between ground-based lidar AOD and PM2.5 was 0.81, and the root mean square error (RMSE) and mean deviation (MD) were 24.43 and 18.41, respectively. The linear correlation coefficient between CALIPSO AOD and PM2.5 was 0.8, and its RMSE and MD were 42.91 and 33.25, respectively. The linear correlation between AOD and PM2.5 for VIIRS was approximately 0.7. This paper provides more possibilities for lidar observation and prediction of the environment
Supporting agencies: This work was supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDA17040524) and Key Program of 13th five-year plan, CASHIPS (Grant No. KP-2019-05, D040103).
About the Authors
Zh. Fang
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
H. Yang
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
M. Zhao
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei, 230037
Y. Cao
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
Ch. Li
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
K. Xing
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei, 230037
X. Deng
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
Ch. Xie
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Science Island Branch of Graduate School at University of Science and Technology of China; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei 230026
Hefei, 230037
D. Liu
Key Laboratory of Atmospheric Optics, Anhui Institute of Optics and Fine Mechanics at Chinese Academy of Sciences; Advanced Laser Technology Laboratory of Anhui Province
China
China
Hefei 230031
Hefei, 230037
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Review
For citations:
Fang Zh., Yang H., Zhao M., Cao Y., Li Ch., Xing K., Deng X., Xie Ch., Liu D. Assessing PM2.5, aerosol, and aerosol optical depth concentrations in hefei using MODIS, CALIPSO, and ground-based lidar. Zhurnal Prikladnoii Spektroskopii. 2021;88(4):616-623.
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