High marsh
Encyclopedia
High marsh is a tidal marsh
zone located above the Mean Highwater Mark (MHW) which, in contrast to the low marsh
zone, is inundated infrequently during periods of extreme high tide and storm surge associated with coastal storms. The high marsh is the intermittent zone between the low marsh and the uplands, an entirely terrestrial area rarely flooded during events of extreme tidal action precipated by severe coastal storms.
Tidal marsh
A tidal marsh is a type of marsh that is found along coasts and estuaries of which the flooding characteristics are determined by the tidal movement of the adjacent estuary, sea or ocean . According to the salinity of the flooding water, freshwater, brackish and saline tidal marshes are...
zone located above the Mean Highwater Mark (MHW) which, in contrast to the low marsh
Low marsh
Low marsh is a tidal marsh zone. It is characterized as being flooded daily....
zone, is inundated infrequently during periods of extreme high tide and storm surge associated with coastal storms. The high marsh is the intermittent zone between the low marsh and the uplands, an entirely terrestrial area rarely flooded during events of extreme tidal action precipated by severe coastal storms.