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New Study Maps Tidal Residual Currents Across China's Marginal Seas

New ROMS study maps tidal residual currents from Bohai Sea to South China Sea, revealing key patterns and drivers for coastal management and pollutant transport.

Tidal residual currents, though weaker than instantaneous tidal flows, play a crucial role in shaping coastal environments. They drive the long-term transport of pollutants, sediments, and nutrients, influence the spread of red tides, and can account for up to 80% of local flow in some shallow areas. This new high-resolution mapping provides essential insights for coastal management, marine engineering, and environmental protection, helping scientists and policymakers predict how materials move through China's continental shelf seas. As climate change and human activities increasingly stress coastal zones, understanding these subtle but persistent currents is vital for sustainable resource use and mitigating pollution.