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This research aims to shed a light on the current state of the Syrian water resource through studying the present resources and analyzing the demand on them and their availability during the period (1992-2012). This study focues at deriving the f uture forecast on the development of the demand on these resources in order to better conceptualize their current state. This in turn will lead to concluding a set of results and recommendations that could contribute to improve the state of the water resource in the sense of achieving sustainability and prohibiting its depletion through the efficient and planned usage.
In this paper, we focus on the importance of conducting the necessary tests either field or laboratory in order to obtain realistic values for soil hydrodynamic parameters allowing the best result to simulate the actual situation of any engineering facility. The importance of this research highlights in earth dams and dikes which have great importance to economic, environmental and human. It is necessary to be complete accuracy when creating a mathematical model to study stability of these structures. From here comes the need to calculate these parameters rather than extracted from engineering codes, that we will use them to simulate the effect of long rainfall on the distribution of water content in the Hweez dam soil and hence its stability. We will build a mathematical model for dam using PCSiWaPro® depending on transition flow chart. concerning that, hydraulic conductivity and volumetric water content in the soil are functions of pore water pressure. These equations with their functions give a smooth transition of the studied model where the saturated state is considered as a special case of the used equations.
This research aims to shed light on the Syrian water reality through analysising the Syrian water balance during the period (1992-2012) , And thus access to a set of results that show actually watery Syrian and the reasons for the imbalance in the Syrian water issue, as well as providing a set of proposals that could contribute to overcome these reasons form that can actually improve the water and protect water resource from depletion and exploited efficiently and saves supplier and achieve sustainability.
When estimating groundwater recharge in karstified and fractured aquifers it’s important to take into consideration, that they differ from porous aquifers by inhomogeneities of their hydraulic properties because of the great variance of infiltrati on properties in their rocks. In this research the process of groundwater recharge in Sher-mansour and Haramon areas in Antilebanon, where karstified and fractured aquifers are developed, was discussed. The portion of rainfall reaching the groundwater was calculated by applying water balance and groundwater level changes methods. In the first method the area was divided into surface zones and water balance components were calculated in each zone and the portion was estimated at 55.8% of rainfall in dry years like 2005-2006. In the second method the area was divided into subsurface zones and groundwater level fluctuations, storage coefficient and groundwater storage were calculated. The groundwater recharge varied between 17.5% in Haramon area and 80% in Sher Mansour area. The results showed that portions of rainfall reaching groundwater are not equal in the deferent subsurface zones and are deferent from those calculated by water balance method.
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