Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5785549 | Journal of African Earth Sciences | 2017 | 21 Pages |
Abstract
The concentrations of nutrients and heavy elements in the surface water of the lake Ichkeul, main wadis which feed directly and thermal springs that flow into the lake, are measured to evaluate these chemical elements. There are used to highlight the interactions between these different aquatic compartments of Ichkeul. All metal concentrations in lake water, except Cu, were lower than the maximum permitted concentration for the protection of aquatic life. The results show that the highest concentrations are located in the eastern and south-eastern part of the lake where the polluted water comes from the lagoon of Bizerte through the wadi Tinja as well as from the city of Mateur through the wadi Joumine. The pollution indices and especially the heavy metal evaluation index (HEI) show high pollution specially located at the mouths of wadis and an increase of heavy metal concentrations, as a result of uncontrolled releases of domestic and industrial wastewater.
Related Topics
Physical Sciences and Engineering
Earth and Planetary Sciences
Geology
Authors
Amira Yazidi, Salwa Saidi, Nabiha Ben Mbarek, Fadila Darragi,