• computing the water budget components for lakes by using meteorological data

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1401/11/25
    • تاریخ انتشار در تی پی بین: 1401/11/25
    • تعداد بازدید: 120
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس ژورنال: 982188779475ext.258

    computing the water budget components for lakes by using meteorological data

    lake mariout located between the longitudes of 29° 49′ and 29° 56′e and latitudes of 31° 04′ and 31° 08′n in egypt. it is situated on the southern side of alexandria city, egypt. the land surrounding the lake is occupied by agriculture field, population zones and fish farms. this makes the lake to serve as a sink to drain different kinds of drainage waters from surrounding catchment areas of alexandria city. the water of lake mariout is pumped to the mediterranean sea through el-max pump station.

    the water budget was computed by measuring or estimating all of the lake’s water gains and losses. applying the hydrology budget balance for lakes takes the interaction between the inflow and the outflow water from lakes into account. it is very useful for conservation and better management of water resources. all water budget components of the lake are estimated. groundwater amount is the most difficult component to be measured or estimated in the water budget equation.

    most of the previous studies assumed that the residual of water budget to be the groundwater flow to the lake. the results show that the lake mariout receives approximately 8.95 m3/d from the main drains which represents the major part of the inflow water to lake. the discharge of el-max pump station is also one of the largest components of the outflow water (102 m3/s), while the water loss by evaporation represents 3.2% of the outflow water from the lake. moreover, the water gain by rainfall 0.38% of the inflow water.

    the groundwater flow to/out the lake was estimated as a residual of the water budget equation. it represents 1.2% of the total inputs for the lake water budget. the result shows that the lake is under severe environmental pressure. one of that is the groundwater comes from catchments areas which may be affect the configuration and operating system management of el-max pump station by the time running.

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