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Environ Monit Assess. 2015 Jan;187(1):4097. doi: 10.1007/s10661-014-4097-7. Epub 2014 Nov 12.

Numerical assessment of nutrient assimilative capacity of Khur-e-Musa in the Persian Gulf.

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Graduate Faculty of Environment, University of Tehran, Tehran, Iran.


Khur-e-Musa is a predominantly tide-driven marine creek located in the northwestern part of the Persian Gulf. The port city of Mahshahr and several important industrial enterprises are located in the vicinity of this marine creek. Therefore, marine pollution due to discharge from regional industries into this water body has been a matter of interest for environmental studies. In this paper, nutrient assimilative capacity of the Khur-e-Musa during the summer time was studied. In order to perform any engineering project or marine environment study related to Khur-e-Musa, the prediction of currents is an essential task. Therefore, MIKE 3-FM hydrodynamic and quality model was used to simulate nutrients and chlorophyll a concentrations. OECD open boundary index was used to determine the trophic status probabilities. Different scenarios were defined and simulated to find the minimum nutrient load that causes eutrophication in all parts of Khur-e-Musa simultaneously. The results showed assimilative capacity of 7,180 kg/day TN and 1,305 kg/day TP for Khur-e-Musa.

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