On the Spatio-Temporal Relationship between MODIS AOD and PM_2.5 Particulate Matter Measurements

Particulate matter smaller than 2.5 microns (PM_2.5) is a com-monly measured parameter in ground-based sampling networks designed to assess short and long-term air quality. The measurement techniques for ground based PM_2.5 are relatively accurate and precise, but monitoring lo-cations are spatially too sparse for many applications. Aerosol Optical Depth (AOD) is a satellite based air quality measurement that can be computed for more spatial locations, but measures light attenuation by particulates throughout in entire air column, not just near the ground. The goal of this paper is to better characterize the spatio-temporal relationship between the two measurements. An informative relationship will aid in imputing PM_2.5 values for health studies in a way that accounts for the variability in both sets of measurements, something physics based models cannot do. We use a data set of Chicago air quality measurements taken during 2007 and 2008 to construct a weekly hierarchical model. We also demonstrate that AOD measurements and a latent spatio-temporal process aggregated weekly can be used to aid in the prediction of PM2:5measurements.

並列關鍵字

Air Quality ； AOD ； Bayesian ； Hierarchical ； Spatio-Temporal

被引用紀錄

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延伸閱讀

Lin, Y., Pham, L., Wang, X., Bahreini, R., & Jung, H. S. (2021). Evaluation of Fast Mobility Particle Sizer (FMPS) for Ambient Aerosol Measurement. Aerosol and Air Quality Research, 21(4), 1-12+ap1-12-013. https://doi.org/10.4209/aaqr.200525
Wang, Z., Itahashi, S., Uno, I., Pan, X., Osada, K., Yamamoto, S., Nishizawa, T., Tamura, K., & Wang, Z. (2017). Modeling the Long-Range Transport of Particulate Matters for January in East Asia using NAQPMS and CMAQ. Aerosol and Air Quality Research, 17(12), 3065-3078+ap1-3. https://doi.org/10.4209/aaqr.2016.12.0534
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李國揚、連偉宏、張國恩、林唐煌（2013）。Fusion of MODIS-MISR Data to Estimate Single Scattering Albedo for Different Aerosol Type。航測及遙測學刊，17(3)，203-220。https://doi.org/10.6574/JPRS.2013.17(3).4

國際替代計量

On the Spatio-Temporal Relationship between MODIS AOD and PM_2.5 Particulate Matter Measurements

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