Nesting Elterman Model and Spatiotemporal Linear Mixed-Effects Model to Predict the Daily Aerosol Optical Depth over the Southern Central Hebei Plain, China

Fuxing Li, Mengshi Li (), Yingjuan Zheng, Yi Yang, Jifu Duan, Yang Wang, Lihang Fan, Zhen Wang and Wei Wang ()
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Fuxing Li: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Mengshi Li: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Yingjuan Zheng: Chinese Research Academy of Environmental Science, Beijing 100012, China
Yi Yang: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Jifu Duan: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Yang Wang: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Lihang Fan: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Zhen Wang: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China
Wei Wang: School of Geographic Sciences, Hebei Normal University, Shijiazhuang 050024, China

Sustainability, 2023, vol. 15, issue 3, 1-18

Abstract: Aerosol optical depth (AOD), an important indicator of atmospheric aerosol load, characterizes the impacts of aerosol on radiation balance and atmospheric turbidity. The nesting Elterman model and a spatiotemporal linear mixed-effects (ST-LME) model, which is referred to as the ST-Elterman retrieval model (ST-ERM), was employed to improve the temporal resolution of AOD prediction. This model produces daily AOD in the Southern Central Hebei Plain (SCHP) region, China. Results show that the ST-ERM can effectively capture the variability of correlations between daily AOD and meteorological variables. After being validated against the daily Multi-Angle Implementation of Atmospheric Correction (MAIAC) AOD, the correlation coefficient between daily retrieved AOD from ST-ERM and MAIAC observations in 2017 reached 0.823. The validated Nash–Sutcliffe efficiency (E f ) of daily MAIAC AOD and ST-ERM-retrieved AOD is greater than or equal to 0.50 at 72 of the 95 stations in 2017. The relative error (E r ) is less than 14% at all the stations except for Shijiazhuang (17.5%), Fengfeng (17.8%), and Raoyang (30.1%) stations. The ST-ERM significantly outperforms the conventional meteorology–AOD prediction approaches, such as the revised Elterman retrieval model (R-ERM). Thus, the ST-ERM shows great potential for daily AOD estimation in study regions with missingness of data.

Keywords: aerosol optical depth; spatiotemporal linear mixed-effects model; Elterman model; Southern Central Hebei Plain (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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