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Abstract
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Article Information:
The use of Kriging Techniques with in GIS Environment to Investigate Groundwater Quality in the Amman-Zarqa Basin/Jordan
Atef Al-Mashagbah, Rida Al-Adamat and Elias Salameh
Corresponding Author: Rida Al-Adamat
Submitted: 2011 November, 01
Accepted: 2011 November, 29
Published: 2012 February, 01 |
Abstract:
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The Kriging techniques are called the best linear unbiased estimator since it tries to have a mean
residual error equal to zero. It aims to minimizing the variance of the errors and hence is a strong advantage
over other estimation methods like inverse distance weighting or moving average. In this study, the ordinary
kriging techniques were used to estimate groundwater quality parameters (Ca2+, Mg2+, Na+, K+, Cl- and NO3-).
It was found that the spatial interpolation of groundwater quality of the study area poses various problems due
to the complex impact of cultivation and urbanization systems of the study area. Testing of various methods
and parameters, by comparing and ranking their cross-correlation errors, show that ordinary kriging method
using the different semivariogram models provides the overall good results. Also, most of the groundwater
quality parameters have moderate spatial structure except NO3 and Ca that have a strong spatial structure.
Key words: Amman-zarqa, GIS, groundwater, Jordan, kriging, ,
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Cite this Reference:
Atef Al-Mashagbah, Rida Al-Adamat and Elias Salameh, . The use of Kriging Techniques with in GIS Environment to Investigate Groundwater Quality in the Amman-Zarqa Basin/Jordan. Research Journal of Environmental and Earth Sciences, (02): 177-185.
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ISSN (Online): 2041-0492
ISSN (Print): 2041-0484 |
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