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CONSIDERATIONS REGARDING THE REGIME OF THE PHREATIC GROUNDWATER FROM THE CENTRAL AND NORTHERN BARAGAN AREA IN THE DRY YEAR 2007
Abstract
The phreatic groundwater from the Ialomita – Buzau river basin are quartered in the sedimentary formations of Quaternary age, starting with the ones of the lower Pleistocene and finishing with the Holocene and recent ones. The most important phreatic aquifer layers, from the point of view of the water resources quartered in permeable and raw formations (gravels, blocks, raw and average sands), are spread in the Buzau dry delta area, in the divagation plain between Buzău and Călmăţui and in the alluvial plain and terrace areas of the main rivers: Danube, Ialomiţa, Buzău and Călmăţui. The depth of the phreatic groundwater presents time and space variations. The variation of the phreatic groundwater level takes place under the corroborated action of several factors natural and antrophic determinants and is supervised through the measurements made in the drillings of the National Hydrogeologic Network. The main natural factors that influence the phreatic waters regime are the climatic ones: the atmpspheric precipitations and air temperature. In the paper, on the basis of the data obtained from the measurements made in the drillings of the National Hydrogeologic Network, is presented the situation of the phreatic groundwater from the Ialomiţa-Buzău river basin in the dry year 2007 comparative with the multiannual regime.
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References4
- Structura geologică a României. xxxxx
- Baza de date hidrogeologice a Gospodarire a Apelor . eology, Engineering Geology and Geotechnics om the year 2007 in comparison with the he period 1978-2007 that the minimum levels from 2007 are under the e drillings and is situated under the minimum medium he drillings. in what concerns the phreatic groundwaters , correlated with very high temperatures, lead eatic layer. In this way, in Ialomiţa
- Buzău els from the year 2007 were situated in the f the previous year (2006) and under the was produced a mitigation of the phreatic ire surface of the studied area. levels and phreatic groundwaters resources is ea.
8 (low rainfalls, high temperatures), in the decreasing tendency noted in 2007 is also âniei. Ed. Teh. Bucureşti, 1990; e a Institutului National de Hidrologie si International Multidisciplinary Scientific GeoC
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