Deep Water Status in Southwestern Tunisia
Deep Water Status in Southwestern Tunisia作者机构：Department of Geology University of Sciences Tunis Tunisia Agriculture and Water Resources Ministry Tunis Tunisia
出 版 物：《Journal of Water Resource and Protection》 (水资源与保护（英文）)
年 卷 期：2016年第8卷第6期
页 面：657-664页
学科分类：0202[经济学-应用经济学] 02[经济学] 020205[经济学-产业经济学]
主 题：Southwestern Tunisia Barremian Hauterivian Aquifers Salinity
摘 要：Due to the water demand growth in southwestern Tunisia, particularly in Segui Gafsa-Tozeur area, the Tunisian Government launched a research program for new water resources in the lower Cretaceous layers within the Hauterivian and Barremian age. The present study highlights the major results of this project and defines the ability of the Barremian and Hauterivian series to be or not as good usable aquifers in this region. Seismic data show that the studied levels are located in deep trough with a very high depth. The water collected from the drilled wells in this region shows a very high salinity (80 g/l to 130 g/l) with a very low water level (끪 m/TN). These water levels are in hydrological isolation by faulting (faults trending NE-SW and NW-SE) with the Jerid area, where these layers are good water bearing. Thus, the studied series can t be considered as encouraging usable aquifers in the future. These results are crucial to make a decision and represent the guideline for research strategies in South-West Tunisia. Consequently, the government focuses on water search within the Turonian level which showed much more encouraging signs.
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