Remote sensing monitoring and analysis of coastal infrastructures’ water environment effects in the Guangdong-Hong Kong-Macao greater Bay Area

Jiasong Zhu; Pengyu Hong; Chi Chen; Xiangyin Wu; Jie Zhang; Chenchen Zhang

doi:10.1117/12.2667301

10 February 2023 Remote sensing monitoring and analysis of coastal infrastructures’ water environment effects in the Guangdong-Hong Kong-Macao greater Bay Area

Jiasong Zhu, Pengyu Hong, Chi Chen, Xiangyin Wu, Jie Zhang, Chenchen Zhang

Author Affiliations +

Proceedings Volume 12552, International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022); 125522G (2023) https://doi.org/10.1117/12.2667301
Event: International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022), 2022, Kunming, China

Abstract

With the rapid development of the Guangdong-Hong Kong-Macao Greater Bay Area (GBA), a large number of coastal infrastructures such as subsea tunnels and cross-sea bridges have been constructed. Meanwhile, construction processes such as land reclamation, piling, and sinking pipe installation have a certain impact on the water environment. Traditional sampling methods have been applied in the water condition monitoring, however, Remote Sensing (RS) and Geographic Information System (GIS) based technology have advantages in methods, efficiency, and scale. Thus, in this study, the construction processes of both Shenzhen Bay Bridge (SZB) and Hong Kong-Zhuhai-Macao Bridge (HZMB) are surveyed by using spatial analysis, visualization, and other methods. Moreover, suspended sediment concentration (SSC) and chlorophyll-a (Chla) concentration of the surrounding water before, during, and after the construction have been monitored. A comparative analysis has been adopted to illustrate the impact of the bridge construction process on the water environment. This study can provide an essential basis by using RS and GIS technology for studying the impact of largescale coastal infrastructures on the surrounding water.

Citation Download Citation

Jiasong Zhu, Pengyu Hong, Chi Chen, Xiangyin Wu, Jie Zhang, and Chenchen Zhang "Remote sensing monitoring and analysis of coastal infrastructures’ water environment effects in the Guangdong-Hong Kong-Macao greater Bay Area", Proc. SPIE 12552, International Conference on Geographic Information and Remote Sensing Technology (GIRST 2022), 125522G (10 February 2023); https://doi.org/10.1117/12.2667301

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KEYWORDS

Bridges

Remote sensing

Transportation

Image processing

Sensors

Landsat

Environmental monitoring

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