A delta is an emergent accumulation of sediment deposited at the mouth of a river as it flows into a standing body of water. Physical Oceanography 6 - Shorelines 2. PPT Slide A delta is an emergent accumulation of sediment deposited at the mouth of a river as it flows into a standing body of water. PPT Slide Coastlines are desirable areas for human habitation, but human activity conflicts with the dynamic state of coastal systems. The term coast has a much broader meaning than shoreline and includes many other habitats and ecosystems associated with terrestrial and marine processes.
Estuaries are semi-enclosed bodies of water where fresh water from the land mixes with sea water.
PPT Slide PPT Slide Estuaries can be subdivided into three types based upon the relative importance of river inflow and tidal mixing. The widely fluctuating environmental conditions in estuaries make life stressful for organisms.