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Validation Of Satellite-Derived Aerosol Optical Depth Using Long-Term Sunphotometer Data In Malaysia

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Observational analysis improves AOD accuracy in monitoring air quality in urban Malaysia, suggesting enhanced data reliability.

The calibrated satellite AOD data showed improved agreement with AERONET measurements, indicating better accuracy for air quality assessments.
In Penang, the results demonstrated a correlation coefficient (R) of 0.72 and a root mean square error (RMSE) of 0.08, showing significant improvement.
Temporal, spectral, and spatial correction methods were applied to reduce discrepancies between MODIS and AERONET AOD measurements.
Findings emphasize the importance of accurate aerosol optical depth data for assessing air quality impacts on health and the environment in Malaysia.

Nadarajah et al. (2025) studied this question.

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