The shape of a delta is influenced by sediment input, wave energy, and tidal energy. Deltas which undergo strong tidal interaction are classified as tide-dominated deltas. As sediment travels out of the delta into the sea, high tides and flood tides confine sediment on the delta plain and low tides carry sediment seaward. Tide-dominated deltas typically occur in locations of large tidal ranges or high tidal current speeds. Insituations such as these, where the sediment supply is over powered by strong tidal currents, the delta tends to be very small. Another resulting feature of a tide-dominated delta is that it has many linear structures parallel to the tidal flow and perpendicular to the shore (shownbelow).
Comments :
0 comments to “Tide-Dominated Deltas”
Post a Comment