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Chemical composition of utility water in the arid climate zone on the examples of Kébili and Medenine regions (southern Tunisia)

Data publikacji: 18.02.2019

Prace Geograficzne, 2018, Zeszyt 155, s. 139 - 156

https://doi.org/10.4467/20833113PG.18.017.9540

Autorzy

,
Beata Latos
Institute of Geophysics, Polish Academy of Sciences, Warsaw
Wszystkie publikacje autora →
,
Karolina Sobczak-Szelc
Centre of Migration Research, University of Warsaw, Pasteura 7, 02-093, Warsaw, Poland
Wszystkie publikacje autora →
,
Krzysztof Skocki
Centre of Migration Research, University of Warsaw, Pasteura 7, 02-093, Warsaw, Poland
Wszystkie publikacje autora →
,
Rafał Kozłowski
Department of Environment Protection and Modeling, Jan Kochanowski University, ul. Świętoktorzyska 15, 25-406 Kielce, Poland
Wszystkie publikacje autora →
Anna Szczucińska
Uniwersytet im. Adama Mickiewicza w Poznaniu, Wydział Nauk Geograficznych i Geologicznych, Instytut Geologii
Wszystkie publikacje autora →

Tytuły

Chemical composition of utility water in the arid climate zone on the examples of Kébili and Medenine regions (southern Tunisia)

Abstrakt

Areas located within the hot, arid zone are characterized by extremely low availability of fresh water. In the Tunisian regions of Kébili and Medenine, deep-water sources and connate groundwater constitute its main sources. Surface waters, as well as shallow groundwaters found in those areas, are affected by a high level of salinity, which significantly reduces their use for either drinking or agriculture. Due to intensifying droughts the rainwater accumulation system, neither fulfils the needs of residents nor the developing agriculture. Waters in the oases of El Faour (Kébili) and Beni Kchedeche (Medenine) were analyzed in 2017 to find out their chemical composition, as well as their suitability for irrigation. The chemical composition of the investigated waters is dominated by the Na+, Ca2+, Cl– and SO4 3– ions. The value of electrolytic conductivity (EC) was found to be within the range of 1100 to 6400 μS/cm. The highest concentration of nitrate was 44 mg/L. Salinity indicators classified this water mainly as unsuitable for irrigation on the basis of sodium adsorption ratio (SAR) and EC, sodium total percentage (%Na) and Kelly’s ratio (KR). The iron concentration in all examined wells exceeded the recommended values set for potable water and ranged from 0.6 to 2.5 mg/L.

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Informacje

Informacje: Prace Geograficzne, 2018, Zeszyt 155, s. 139 - 156

Typ artykułu: Oryginalny artykuł naukowy

Tytuły:

Polski:

Chemical composition of utility water in the arid climate zone on the examples of Kébili and Medenine regions (southern Tunisia)

Angielski:

Chemical composition of utility water in the arid climate zone on the examples of Kébili and Medenine regions (southern Tunisia)

Autorzy

Institute of Geophysics, Polish Academy of Sciences, Warsaw

Centre of Migration Research, University of Warsaw, Pasteura 7, 02-093, Warsaw, Poland

Centre of Migration Research, University of Warsaw, Pasteura 7, 02-093, Warsaw, Poland

Department of Environment Protection and Modeling, Jan Kochanowski University, ul. Świętoktorzyska 15, 25-406 Kielce, Poland

Uniwersytet im. Adama Mickiewicza w Poznaniu, Wydział Nauk Geograficznych i Geologicznych, Instytut Geologii

Publikacja: 18.02.2019

Status artykułu: Otwarte __T_UNLOCK

Licencja: CC BY-NC-ND  ikona licencji

Udział procentowy autorów:

Beata Latos (Autor) - 20%
Karolina Sobczak-Szelc (Autor) - 20%
Krzysztof Skocki (Autor) - 20%
Rafał Kozłowski (Autor) - 20%
Anna Szczucińska (Autor) - 20%

Korekty artykułu:

-

Języki publikacji:

Angielski