North Inlet, South Carolina, is a well-mixed, tidally driven, high-salinity, shallow type IA estuary consisting of winding creeks that intersect a 30 km2 Spartina alterniflora salt marsh. An intensive spring tide field sampling in a 320 m wide cross-section during three consecutive tidal cycles in November 1977 resulted in detailed information on the cross-sectional net and rootmean-square (r.m.s.) velocity distributions....