Environmental Engineering Reference
In-Depth Information
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Observation
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0 2 4 6 8 10121416182022242628303234363840
Temperature (°C)
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TDS (mg/L)
Fig. 6.5 Comparison between actual and model of TDS and temperature
—
July 2003
(Badrghasemi
2002
)
In March, the air temperature gradually increases and the density of entering water
decreases minimally, so that the input water tends to move in the upper layers of the
reservoir. In addition, because of an increase in the surface temperature of the
reservoir, the situation to further layer is provided. During this month, the TDS of
input water decreases and the TDS levels in the upper layers of the reservoir are
attenuated, but in the lower layers the TDS density remains unchanged. This lay-
ering cycle is repeated each year. In the event of a
first months of a year,
the cycle will be interrupted for a short period before returning to the normal.
flood in the
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