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| Titel: |
GIS based Hydrogeological Vulnerability Mapping of Groundwater Resources in Jerash Area – Jordan |
| Auteur: |
N. Hammouri A. El-Naqa |
| Verschenen in: |
Geofísica internacional |
| Paginering: | Jaargang 47 (2008) nr. 2 pagina's 85-97 |
| Jaar: |
2008 |
| Inhoud: |
This paper presents groundwater vulnerability mapping for Jerash area, north Jordan generated using EPIK and DRAS-TIC models. These models have been implemented using GIS to delineate groundwater protection zones and to suggest a protection plan to improve groundwater quality of the major springs and wells. Most of the groundwater resources in the study area are polluted and bacteria and nitrate levels are high. Different sources of groundwater pollution have been identified. Domestic wastewater is considered as a major source of pollution. Urban runoff, fertilizers from agricultural return flows and solid waste disposal appear to be secondary sources. The most relevant vulnerability class of EPIK map is very high which accounts for about 41% of the total area. While in the DRASTIC vulnerability map, areas with high vulnerability were only about 23 % of the total area. There is a good correlation between vulnerability maps obtained from both models with microbiological and chemical pollution evidences. There is also a good agreement between the areas classified as “highly vulnerable” and those that have high levels of pollution. |
| Uitgever: |
Universidad Nacional Autónoma de México, Instituto de Geofísica (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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