NUMERICAL MODELING OF NUTRIENT ASSIMILATIVE CAPACITY OF ANZALI WETLAND

Wetlands are vital for human survival. They are among the world’s most productive environments; cradles of biological diversity that provide the water and productivity upon which countless species of plants and animals depend for survival. Anzali wetland located in the southwestern part of the Caspian Sea. The big cities consists of Rasht, Some-e- sara and rezvan- shahr are located in the vicinity of this wetland. Therefore, marine pollution due to discharge of domestic sewage and industrial activities causes serious problems for this precious ecosystem environmental. In this paper, nutrient assimilative capacity of The Anzali wetland during a month in summer was studied. In order to perform any engineering project or marine environmental study related to Anzali wetland, the prediction of currents is an essential task. Therefore, MIKE 21 HD FM hydrodynamic and quality model was used to simulate nutrients and chlorophyll a concentrations.