Parameter Tree:
EARTH SCIENCE > OCEANS > COASTAL PROCESSES > ESTUARIES

Definition:
A semi-enclosed body of water near a coastline where fresh water mixes
with ocean water. 


Reference:
Black, J.A. 1986. Oceans and Coasts, An Introduction to Oceanography.
William C. Brown Publishers. p. 278. Garrison, T. 1993. Oceanography, An
Invitation to Marine Science. Wadsworth Publishing Co. p. 519.