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المسح الميكروبي و الكيميائي للمياه الجوفية و السطحية في المنطقة الزراعية المحيطة بالمدينة المنورة
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المسح الميكروبي و الكيميائي للمياه الجوفية و السطحية في المنطقة الزراعية المحيطة بالمدينة المنورة
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المسح الميكروبي و الكيميائي للمياه الجوفية و السطحية في المنطقة الزراعية المحيطة بالمدينة المنورة
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Journal Article
المسح الميكروبي و الكيميائي للمياه الجوفية و السطحية في المنطقة الزراعية المحيطة بالمدينة المنورة
2018
Overview
As a result of various human uses of water, the diseases, associated with the use of
contaminated water, would spread due to the presence of toxic chemical elements, in addition to many
pathogens in waters that might have been mixed with sewage water or exposed to contamination from
various industrial activities near the water source. In this research, (12) different samples were collected
from various locations surrounding some farms in Al-Medina Al-Munawwarah area. Samples include
underground water (from various wells) in addition to some surface water of unknown sources from
spaced locations. Microbial initial validity of the use of these waters tested to investigate the presence of
E. coli, and fecal bacteria. The results indicated contamination with E. coli, and fecal bacteria in the
surface waters of unknown origin. The results also showed similar contamination in well water samples.
These results indicated a variation in the rate of the Most Probable Number (MPN) of bacteria in the
wells' samples, in contrast with samples of surface water. The CdP
2+
P, CrP
3+
P,
CuP
2+
P,P PFeP
2+
P,P PMnP
2+
P,P PNiP
2+
P,P PPbP
2+
P,P PZnP
2+
P,P PAs P
3-
PIons were determined. It turned out from the chemical test results
that all ions of the toxic aforementioned elements were at low concentrations in comparison with the
recommended standards set by the World Health Organization (WHO), but the salinity in all samples was
relatively high, in addition to the elevated ratio of iron ions. Based on the results of analysis of these
samples, surface and wells' waters were contaminated with E. coli, and fecal bacteria. While the chemical
analysis of the samples indicated a lower level of contamination with the toxic elements, the salinity was
higher and the content of iron ions was elevated.
Publisher
جامعة الملك عبد العزيز، مركز النشر العلمي
Subject
