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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Author(s)
Hatim Elhatip and Hasan Koçyiğit
Full-Text PDF
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DOI:10.17265/2161-6256/2016.06.002
Affiliation(s)
Department of Environmental Engineering, University of Aksaray, Aksaray Center, Aksaray 68100, Turkey
ABSTRACT
The main purpose of this study was
to determine the changes in the water quality of Melendiz and Karasu streams,
which recharge the Mamasin dam, and to evaluate its environmental impacts on
the dam site that provides drinking water and irrigation demand
in Aksaray city in the Central Anatolia of Turkey. The field researches
were
focused on estimating
the main sources of contamination, determining
and
evaluating the changes in the water quality due
to the direct wastewater discharges into the Melendiz and Karasu rivers, which
recharge the Mamasin dam sites. During the study, water samples were collected
from Melendiz and Karasu stream and Mamasin dam, and then,
the
physical
and chemical analyses of water samples were conducted.
The relevant in-situ and laboratory analyses were carried out during the dry and wet seasons. The
results of the analyses showed that in term of the
surface water quality criteria in terms of NO3-N value
of
both rivers and dam waters, the water quality is always considered
as
the
1st
class in Melendiz stream, the 2nd class in Karasu stream
and the
3rd
class in Mamasin dam lake. Whereas, in terms of NO4-N values of both
rivers and dam waters, the water quality is always considered
as
the
1st class in Melendiz stream, the 2nd-3rd
class in Karasu stream. The total organic carbon (TOC) range for Karasu river
is usually from 20 mg/L to 40 mg/L.
The high value of organic matter in the Karasu stream can be explained by
the
availability of intensive green wetlands around
this water resource. Finally, the Ministry of Forest and
Water Authority give some suggestions for
estimating protection zones of Melendiz stream and Mamasin
basin’s area,
such as
using the results of environmental tracers to investigate the
agricultural contamination, including more sophisticated applications of
multiple-tracer analyses to evaluate the travel time of contaminants and
estimate the boundary of protection zones.
KEYWORDS
Melendiz stream, Mamasin dam, water quality and pollution, Aksaray city, Turkey.
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