The objective of this study is to achieve vulnerability assessment of the groundwater
by using DRASTIC Method which is developed by United States Environmental
Protection Agency (USEPA). It is most commonly used overlay and index method
all over the world. Evaluation of groundwater vulnerability would be performed by
using computer programs which are based on Geographical Information System
(GIS) in order to facilitate data management and spatial analysis. The term
vulnerability, that is used in this study, could be defined as a degree of capacity of
the geological settings which are above water table, cause as joining of contaminants
to groundwater where imposed by environmental factors. All the groundwater has
some degree of protection under natural condition. It is an important initial step to
identify degree of vulnerability by an index which is provided by superimposition of
the environmental and geological properties that are explained in DRASTIC Method.
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At the end of the study by using a computer program together with DRASTIC
Method a vulnerability map will be obtained. The vulnerability map is an informative
tool from different aspects such as it is an initial step for taking an attention of risk of
groundwater could be getting polluted in some areas. In addition, surface activities
could be limited by focusing on groundwater protection strategies which are
considering degree of vulnerability of areas that are delineated by DRASTIC
vulnerability index.
With the purpose of groundwater vulnerability assessment Kirikkale Plain is selected
for a study area. Because of inappropriate management of the industrial and domestic
wastes, lack of waste water treatment plants and uncontrolled agricultural activities
cause this region proned to groundwater pollution. At the end of this study a
groundwater vulnerability map of the Kirikkale Plain is obtained and attention is
drawn to the places which are more vulnerable are pointed out.
| Identifer | oai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12614315/index.pdf |
| Date | 01 May 2012 |
| Creators | Buyukdemirci, Hakan Ahmet |
| Contributors | Onder, Halil |
| Publisher | METU |
| Source Sets | Middle East Technical Univ. |
| Language | English |
| Detected Language | English |
| Type | M.S. Thesis |
| Format | text/pdf |
| Rights | To liberate the content for public access |
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