the.com/coastal currents
the ocean's conveyor belts, quietly rearranging your beach one grain at a time.
means the horizontal flow of water along shorelines, driven by waves, wind, and tides moving parallel or perpendicular to the coast.
from from oceanographic study of nearshore hydrodynamics, formalized as coastal engineers realized shorelines were not static but sculpted by predictable water movement.
rip currentsthe deadliest type, pulling swimmers straight offshore
longshore driftmoves sand miles down a coastline over decades
tidal influencecurrents reverse direction as tides rise and fall
erosion driverquietly relocates entire beaches without permission