Study region: The Hii River basin. and Lakes Shinji and Nakaumi in Japan. Study focus: This study examines the impacts of sea-level rise (SLR) and hydrological structures on the salinity dynamics of Lakes Shinji and Nakaumi (SHINJI and NAKAUMI). two interconnected estuarine lakes in Japan. https://foldlyers.shop/product-category/interface-card/