Shallow Water Bathymetry Retrieval in the Guangxi Beibu Gulf, China, Using Optical Remote Sensing and Electronic Nautical Charts
Abstract. The rapid and accurate acquisition of nearshore bathymetry is crucial for coastal economic development, safe navigation, and marine ecological protection. This study focuses on the shallow coastal waters of Beihai and Fangchenggang in the Guangxi Beibu Gulf, China. Utilizing Landsat-9 multispectral imagery an...