Groundwater vulnerability and pollution risk assessment with disparate models in karstic, porous, and fissured rock aquifers using remote sensing techniques and GIS in Anthemountas basin, Greece

Disparate methods of intrinsic groundwater vulnerability and remote sensing were applied in Anthemountas river basin (North Greece), covering an area of 374 km². Three types of aquifers are present within the basin: porous, karstic, and aquifers of fissured rocks. Vulnerability and risk pollution ma...

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Bibliographic Details
Published in:Environmental earth sciences 2015-10, Vol.74 (7), p.6199-6209
Main Authors: Kazakis, Nerantzis, Oikonomidis, Dimitrios, Voudouris, Konstantinos S
Format: Article
Language:English
Subjects:
Aquifers
Basins
Biogeosciences
Earth and Environmental Science
Earth Sciences
Environmental Science and Engineering
Geochemistry
Geographic information systems
Geology
groundwater
groundwater contamination
Groundwater flow
Hydrology/Water Resources
methodology
Original Article
Pollution studies
Porous materials
remote sensing
Remote sensing systems
risk
Risk assessment
Rocks
Terrestrial Pollution
watersheds
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Summary:Disparate methods of intrinsic groundwater vulnerability and remote sensing were applied in Anthemountas river basin (North Greece), covering an area of 374 km². Three types of aquifers are present within the basin: porous, karstic, and aquifers of fissured rocks. Vulnerability and risk pollution maps were produced using the DRASTIC, EPIK, AVI, and DRASTIC-FM methods in a Geographic information system (GIS) context, and the results were compared and evaluated. The methods used different numbers of parameters with different weightings and produced relatively different results. The original DRASTIC method underestimates the vulnerability degrees in fissured rock aquifers, while in porous aquifers the discretization is poor, in contrast with the AVI method which gives more satisfactory results. The vulnerability of the fissured rock aquifer as estimated by the DRASTIC-FM method shows significant differences compared to the original DRASTIC method. Groundwater pollution risk is strongly dependant on vulnerability, and consequently the use of specialized vulnerability methods provides representative and more accurate results.
ISSN:1866-6280
1866-6299
DOI:10.1007/s12665-015-4641-y