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Register a new userWater system for underground water basins between Free Rivers Ghamqa and Abrash - Southern Tartous
النظام المائي للمياه الجوفية الحرة بين حوضي نهري الغمقة و الأبرش - جنوب طرطوس
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التغيرات الطبيعية لمنسوب المياه الجوفية خلال الزمن تكتسب أهمية كبرى في تقويم النظام المائي و تقديم الكثير من المعلومات حول حركة المياه الجوفية، الأمر الذي يسمح بتقويم الوضع المائي العام للطبقة المائية في منطقة الدراسة. اعتمدنا في قياساتنا ترددات مناسيب المياه الجوفية على شبكة رصد هيدروجيولوجية خاصة و هي مؤلفة من 26 بئراً موزعة على كامل مساحة المنطقة المدروسة نفذت في بعضها قياسات لمدة ست سنوات . و قد تبين من الدراسة أن نظام المياه الجوفية من النوع المناخي (خط التقسيم المائي) يرتبط ارتباطاً مباشراً بالرشح من الهطولات المطرية كما يلعب الرشح من قنوات و مياه الري دورا لا بأس به في تشكله، و هو يتصف بالتكرارية و الدورية الفصلية في التغيرات السنوية للمناسيب، و بالاستقرار و التوازن في أوضاع هذه المناسيب، و الاتجاه العام لحركة المياه الجوفية يكون من الشرق و الشمال الشرقي باتجاه الغرب و الجنوب الغربي و بميل هيدروليكي 0.005 و هو يساير الوضع الطبوغرافي و الاتجاه العام السائد للصدوع و التشققات في المنطقة.
Natural changes in the level of ground water through time is gaining great importance in evaluating the water system and to provide a lot of information about groundwater movement , which allows the assessment of the water situation public water layer in the study area . We adopted our measurements in groundwater levels frequencies on a private network monitoring hydrogeological She is the author of 26 wells distributed over the entire area of the region studied were carried out in some measurements for a period of six years. The study found that groundwater system of climate type (water division line) is directly linked to seep from rainfall and seepage from canals and irrigation water plays a significant role in the pose, which is characterized by Baltkareh and periodic quarterly in the annual changes of the levels, and the stability and balance in the conditions of these elevations, and the general direction of movement of groundwater will be from the east and north-east towards the west and southwest and Askew Hydraulic 0.005 a faddish topographic situation and the general trend of the cracks and fissures in the area.
References used
GAVICH, I. K. Hydrogeodinamek. Nedra publishers, Moscow, 1988, 347
GAVICH, I. K. Theory and application modeling in hydrogeology. Nedrapublishers, Moscow, 1983
GALLART.F.DELGADO,J.;BETSON,S.J.V.;POSNER,H.;LLORENS,P.;MARC E,R. Analysing the effect of global change on the historical trends of water resources in the headwaters of the Llobregat and Ter river basins (Catalonia,Spain). Journal of Elsevier,Physics and Chemistry of the Earth, spain,2011,8
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This is a study of free groundwater level changes through time, and the level of its being affected by natural and artificial factors, which allows evaluating general water situation of the aquifer. This study shows that groundwater system in the stu
dy area from the type of water division line (climatic system) connects in direct connection with infiltration from rainfalls in which the natural factors (recharge) play the main role in forming the system of groundwater, in addition to the artificial factors (irrigation), and these factors yield three periods of the obvious terminal changes of the levels in hydrologic year (descending, stability, ascending). However, groundwater is renewable because of stability in the situations of this water, and its discharge to hydrodynamic net of groundwater in Al-kabir al-shimali and Al-snobar rivers and in the Mediterranean Sea as well.
This research discusses the way of defining hydogeological parameters by using
monitored data of the ground water system, for defining the values of these coefficients on
large areas, which has a practical significance especially in modeling the hy
drogeological
problems which allows explaining and checking the hydrodynamic and the
hydrogeological structures of the area and the reasons of changing the filteration properties
of the aquifer.
It appears that transmissivity varied from 36 to 570 m2/day, the permeability
from 1 to 53 m/day, and the water yield from low to medium between 0.00004 and 0.2
because of the rising of the coefficient of diffusion.
The filtration recharge approximately from 1 - 40% from the rain falls.
The obtained results are in good conformity with the geological characteristics -
structural and litologic - facies characteristics for the study area.
The research area is located in the Syrian coast between the Sin and Rous river. This
research aims at studying the hydrogeological characteristics of the unconfined aquifer in
the research area and evaluating the conditions of its placed. The rese
arch was based on a
monitoring network consisting of 36 wells that penetrate the unconfined aquifer, and
measurements continued during the period (October 2016 until September 2017).
The unconfined groundwater depths in the research area range between 0.5-11.5 m, and
sometimes during the drought period reach to 13.5 m, while it is close to the surface in the
winter and up to 0.1m in some wells. The electrical conductivity ranges between
550-3700 μs/cm, increasing as we go west and reaching 9,000 μs/cm and more in the wells
near the sea during the dry period. Groundwater levels Lower in the dry period to below
sea level in near-shore wells, achieves the hydrodynamic conditions of the seawater
intrusion.
Barada and Auvage basin, experience of limited water resources against
growing of human activities related to increasing of inhabitants, and climate
changes influence on precipitation and water balance. This research focuses on
the definition of p
resent and expected water shortage in Barada and Auvage
basin within the period between 2012-2035 year, and the abilities of its changes
regarding the increasing of the gap between supply and demand, and the role of
integrated groundwater resources management in facing water challenges, so
decreasing of water shortage, taking into account, sustainability of ecosystems,
as an important element of integrated water resources management.
An available free groundwater were classified
hydrochemical, and determined its fitting for general uses in a part
of Damascus's Ghouta, which suffers water deficiency, where the
study carried out on groundwater samples taken from 20 wells
distri
buted on all study area, the results show that groundwater
classified hydrochemical as calcic water and non potable, and
unsuitable for domestic consumption in broad part from study area,
but arable and recommend to use in irrigation plants that have weak
resistant to salinity, and not preferable to use in industry generally,
but it's good for building and concrete works.
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