THE CARAORMAN LEVEE — A HYDROGEOLOGICAL STUDY

Gheorghe Romanescu

Abstract


During the period of taking out the water samples in 1989, we tried to cover almost al the sectors that had been studied by Liteanu et al. in 1966. After the analyses had been done and the results had been obtained, we compared the obtained data and the following conclusions have been drawn up:
- the level of the ground water in the Caraorman levee has remained almost constant, slightly rising in its eastern sectors:
- the chemistiy also maintains close values, and consequently these waters can be included in the category of undrinkable waters:
- the eastern, northern and southern sectors are influenced by the marine waters, which cause an increase in the quantity of chlorine;
- in the sectors between the dunes, the ground waters produced by rainfall are installed over the salt waters: these ground waters do not have a zonal character but they are the only with high drinking qualities. they have a floating character and their amount is reduced:
- the ground waters in the Caraorman levee are among the most mineralised waters within the
delta:
- the ground waters in the western sector are directly influenced by the fluviatile waters but they have a higher index of fixed residuum and they are usually bicarbonate;
- the mouvement direction is from north-west to south-east, similarly to the direction of the Danubian water, but the speed is very low due to the reduced stopes.

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DOI: http://dx.doi.org/10.15551/fppzt.v1i1.415

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