DBPapers
DOI: 10.5593/SGEM2014/B31/S12.097

THE INFLUENCE DETERMINED BY THE CHANGING OF MARK CLIMATIC PARAMETERS UPON THE HYDROLOGICAL REGIME IN SOUTHERN ROMANIA

M. Borcan, G. Neculau, C. Mihai Retegan
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-13-1 / ISSN 1314-2704, June 19-25, 2014, Book 3, Vol. 1, 759-766 pp

ABSTRACT
The paper provides an analysis of the evolution and of the spatial – temporal variation of two main climatic parameters (precipitation and evaporation-transpiration) and one hydrological parameter (the flowing water volume) during a common period of time (the 1961-2012 interval) in southern part of Romania, more specifically over the Romanian Plain. We have started our analysis from the water balance equation applicable to a large geographic area and valid for long periods of time. The hydro-geological reports show that the sub-surface water resource is quasi-constant, being hold in a relative equilibrium. Thus, for large areas and over long periods of time the water exchange with nearby territories may be neglected. The water balance equation contains two climatic parameters (precipitation and evaporation-transpiration) that will be referred to as mark climatic parameters because they represent the main factors that determine the volume of the water run-off in a hydrological system. Any change upon them will therefore have an impact upon the surface liquid flow. The analysis of the evolution of the above-mentioned parameters was achieved based on the data provided by 6 hydrological and evaporimetric stations located in the Romanian Plain, resulting in an interpretation of the impact that the changes of the climatic parameters mentioned above may cause in the hydrological system, represented by the volume of the liquid surface water. Such a parallel study regarding the three parameters described above may offer important information regarding the interaction between the climatic and the hydrologic systems in a regional context.

Keywords: mark climatic parameters, water balance, evaporation, tendency