Journal
REMOTE SENSING
Volume 15, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/rs15112770
Keywords
deep learning; air pollution; premature mortality; Yangtze River Delta; integration development; urban agglomeration
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Integrated development of urban agglomeration is the main pattern of China's new modernization, but atmospheric pollution poses a significant challenge to coordinated regional development. This study used deep learning technology to analyze PM2.5 concentrations in the Yangtze River Delta region and estimated premature mortality caused by long-term exposure to PM2.5. The results showed that although PM2.5 concentrations decreased by 16.13% from 2015 to 2019, the region still experienced 239,000 premature mortalities in 2019, with differences among cities of different economic levels and sizes. This highlights the ongoing challenge of achieving equitable air pollution control in the context of integrated development of urban agglomeration.
Integrated development of urban agglomeration is emerging as the main pattern of China's new modernization. Yet, atmospheric pollution continues to have an adverse impact on public health, challenging efforts to promote coordinated regional development. To better understand the interaction between atmospheric pollution-related health burdens and urbanization, this study employed deep learning technology to obtain high-resolution satellite-derived PM2.5 concentration data across the Yangtze River Delta (YRD) region. Using the Global Exposure Mortality Model (GEMM), this study estimated premature mortality resulting from long-term exposure to PM2.5 and innovatively incorporated exposure factors to improve accuracy. Results indicated that while PM2.5 concentrations decreased by 16.13% from 2015 to 2019, the region still experienced 239,000 premature mortalities in 2019, with notable disparities among cities of different economic levels and sizes. Furthermore, it was found through correlation analysis that residential density and GDP per capita were highly associated with premature mortality. In conclusion, these findings highlight the continuing challenge of achieving equitable effectiveness of joint air pollution control across regions in the context of integrated development of urban agglomeration.
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