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Register a new userCalculations of Water Rain Infiltration in the Quaternary Basah of Malah Area (Sueda) Using the Data of Ground Water Observation Level
استعمال معطيات رصد مناسيب المياه الجوفية لحساب قيمة تسرب مياه الأمطار لتغذية المياه الجوفية في بازلت الرباعي في منطقة ملح (محافظة السويداء)
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Added by
Damascus University ورقة بحثية
Publication date
1998
fields
Geology
and research's language is
العربية
Authors
ياسر المحمد( باحث )
Created by
Shamra Editor
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يهدف البحث إلى تحديد قيم التسرب كمعامل هيدروجيولوجي أساسي، يعبر عن تغذية المياه الجوفية، و الذي تم تحديده وفق معطيات القياسات الدورية لتغيرات مناسيب المياه الجوفية في مجموعة من الآبار المحفورة في منطقة الدراسة، و يتضمن البحث مقدمة عامة، و عرضا للوضع الجيولوجي و الهيدروجيولوجي للمنطقة المدروسة، يليهما تحديد الطريقة المتبعة لحساب قيم التسرب و البخر. و من ثم عرضا للنتائج المتضمنة قيم التغذية بالتسرب للمنطقة المدروسة.
The aim of this research is to determine the infiltration values as a basic hydrogeological factor , which expresses the recharge of the ground water in a group of wells in the studied area . In order to include a general introduction , the geology and hydrogeology of the area and the explanation of the methods have been used to calculate infiltration and evaporation values . Finally the obtained results.
References used
الدراسات الهيدروجيولوجية السوفيتية لحوض اليرموك، وزارة الري ١٩٨٢
غالابوف، م. ديناميكية المياه الجوفية. صوفيا، ١٩٨١
غالابوف، م. ب، بينتشف. حل مسائل هيدروجيولوجية تطبيقية باستخدام المعالجة الرقمية. صوفيا، .١٩٨٦
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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.
According to the chemical pollution danger in general and its danger on groundwater
wells in agricultural areas particularly the inhabited ones , the scientific study was
implemented to determine the concentrations of some ions in water wells withi
n the area of
Hraesoon; In addition to, monitoring their changing values which indicate the rate of
chemical pollution in the study area due to existing activities.
The search involves a monthly periodic physical and chemical analyzes in the
invested wells in Hraesoon area , Banias city for a whole year. starting from September
2011 till August 2012 by choosing ten invested wells disterbuted in the area.
The study includes the changing of temperature ,pH, electrical conductivity, and the
group of negative ions (nitrate NO3
-, phosphate PO4
3-, sulphates SO4
2-, chloride Cl-) in
addition to positive ions (ammonium NH4 +, Sodium Na +).
The values of the studied ions have demonstrated a clear disparity in each month for
the samples taken from the same wells, due to the agricultural ,human activities and
climatic conditions that prevailed during the sampling dates.
The recorded results show cases of chemical contamination in the water wells
studied not identical the Syrian standard for drinking water (2011-2012) portend a lot of
health and environmental risks, especially that many of those wells are used for drinking
purposes.
Al-Kabeer River Coastal Plain faces very important economic activities which lead to growing water demands. This research aims to define the relationship between rainfall and subterranean-water levels. In the mountainous area fissured marl and limest
one with high permeability spread. However, on the coastal plateau deposits with moderate to low permeability values spread, and water levels quickly respond to rainfall and irrigation water, which makes it get easily polluted and affected by climatic factors. Analyses and discussions of field data have led to the fact that subterranean-water levels are to do with many natural and artificial interrelated parameters. And in some cases, they can be adversely oriented, and difficult to isolate and monitor separately, and become very difficult to derive mathematical formula for describing the relationship between just two parameters (subterranean-water percentages and rainfall levels)
This research was performed to study the effect of sewage water on
the surface water of the Addelbeh Valley stream, and groundwater
on both sides of the stream in Tartous Cement Factory area.
Water samples were taken from the factory water outlet
and
Addelbeh Valley water to study the content of pollutants. We also
took groundwater samples from selected wells on both sides of the
waterway in the studied area. We repeated that process every two
months for a full hydrological cycle from July 2013 to May 2014.
We found a great increase in content of the industrial drainage
water include oils and heavy metals especially iron, copper and
zinc. For example: iron concentration in sewage water exceeded
150 mg/l in all samples. Besides sewage water and stream water
contained high concentrations of ammonia and nitrite versus low
concentration of nitrate, unlike water wells samples. The study
revealed increased EC and salts concentration markedly in wells
water due to its adjacency to the sea.
This study includes the evaluation of the problem of seawater intrusion in Al-Bassa area in
2014 through chemical monitoring of a group of sampling wells, under certain condition
that were subjected to the area during the research, representing by
rainfall precipitation in
the study area was only 500 mm/ year, as a result in the suspension of irrigation from 16
October lake and reuse of many abandoned pumping wells.
This study founds an increasing in the salinity values in the Al- Bassa coastal area of
summer in 2014, ranging between(665.6-6432mg/l)after increasing daily pumping rates, in
addition to the increasing of chloride and sodium concentrations in most of sampling wells
water in conjunction with high salinity levels. In the fall, the salinity values ranged
between 490-950 mg / l. The geochemistry of Na/Cl indicates values less than 0.84 in
most water samples during the summer, while in autumn this percentage was higher than
0.84 in most samples ,to be an indicator for marine water.
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