TERRESTRIAL 

 SYSTEM 



BAY 



INTERTIDAL EMERGENT WETLAND 



^ MHW3 _ 



FORMEF 

 TERRESTRIAL 

 HABITAT 



GLACIAL TILL 



Figure 5-41. The process of salt marsh progradation (adapted from Redfleld 

 1972). 



TERRESTRIAL 

 SYSTEM 



BAY 



INTERTIDAL EMERGENT WETLAND 



PROGRADING MARSH 



FORMER 



TERRESTRIAL 



HABITAT 



GLACIAL TILL 



Figure 5-42. The process of salt marsh transgression. 



5-111 



10-80 



