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Estimation and management of the future evolution of groundwater water demand in the Taoura region, North-East Algeria

Rouaibia Farid, Sayad Lamine, Attoui Badra

Journal of Water and Land Development

2021

no. 49

195--203

Evaluating the capacity to meet the need of water is crucial in order to fulfil expectations of managers, particularly in the Mediterranean area. The region is risk in terms of resources available as well as a steadily increasing in demand for water. The frontier drain of the city of Souk Ahras is located at the extreme Northeast of Algeria, on the Algerian-Tunisian borders, the study region includes eight city, which are Taoura, Drea, Zaârouria, Merahna, Ouillen, SidiFredj, Heddada and Khedara, these are relatively poor in surface water, but groundwater has always been the main water resource. The region’s population is around 93,000 inhabitants, 45% of them living in rural areas. Annual average precipitation is approximately 470 mm∙y–1, but it is distributed unequally in space and time. The average supply water varies from one zone to another and the coverage of demand by groundwater in the region remains low and does not meet all needs. Faced with the regions socioeconomic growth and development, this situation is expected to worsen in the future. In this context, the WEAP (Water Evaluation And Planning system) model was applied to simulate the water balance and assess strategies for the sustainable management of water resources and makes it possible to explore different scenarios, in order to choose the desired scenario to ensure the sustainable development of the sub-basin of the border until 2050. The availability of drinking water permanently in rural areas is a factor in the stability of a population and a means of combating the rural migration and the congestion of urban centres.

Dynamika systemów jako narzędzie przeciwdziałania tragedii dóbr wspólnych

Dacko M., Bielecka P.

Ekonomia i Środowisko

2015

nr 2

10--22

W niniejszej pracy zaprezentowano i omówiono archetyp systemowy tragedii współużytkowania. Przedstawiono następnie model dynamiki systemu dotkniętego takim problemem i zaproponowano sposób jego rozwiązania.

The thesis raises the issue of the tragedy of the commons environmental resources. The problem was considered using a system dynamics approach. The article discusses the archetype of the Tragedy of the Commons, which initiated a deeper analysis of the problem using dynamic models. Performed simulations allowed the system to point out causes of overexploitation of the resource, which leads to its exhaustion. The study presents and discusses model of sustainable resource management. This model includes the new rules in its structure, which guarantee respect for the resource limitations of the system.