Wave-Dominated Deltas

Wave-Dominated Deltas
Geometry:
1.More lobateand have smooth, arcuateto sharp margins.
2.Longshoredrift may rework sediment along coastline.
3.Lobes strung out parallel to shoreline.
Controls on the Geometry:
1.substrate gradient
2.wave energy vs. tidal energy
3.sediment supply vs. accommodation volume: supply-dominated areas produce allochthonousshelves characterized by more rapid sedimentation and thick muddy sequences in which barrier sand bodies maybe encased while accommodation-dominated areas are associated with allochthonousshelves that have sandy sediments and experience extensive reworking.
4.rates of sea level change