salt marshes Flashcards
(3 cards)
1
Q
what is a saltmarsh
A
coastal body of brackish water, with flows into it
find mudflats
fine sediment is deposited by tides
2
Q
how are they formed
A
from variations in discharge and velocity
zero velocity deposits fine sediment in upper esturay
forming mudflats
3
Q
deposited by?
A
flocculation, clay minerals come out of suspension in floc form
negative ions charge and attract positive ions
forming bridges that hold particle together
