THE HYDRODYNAMIC SIGNIFICATION OF CORRELATIONS ANALYSES
Journal Title: The Annals of Valahia University of Târgoviste, Geographical Series - Year 2004, Vol 4, Issue 2
Abstract
Take up the carstic hydrostructure as system permits the agreement of internal structure through correlation analysis of different factors which compose the components of impulse (entrance) and of exit. Through the build of curve of correlation of input factors with one of the exit it could drawn the conclusions concerning the internal structure and the mechanism of operates the system. Other way certain input factor suffers the important modifications through the straddles system, this modifications are depending of his internal structure. If it’s analyzed the input flow in system (the precipitates, above ground water) in correlation with his flow of discharge, it could drawn the conclusion about these variation to any moment of time. Likewise, it can be established the detent of time among the input moment of flows and one of his exit or it ca be established a certain behavior of exit components which are depending on the internal structure of the system. The curve of correlation can the conclusion concerning the hydrodynamic behavior of the carstic system. This work analyses the curve of correlation between the drainage debit to apprehend the internal structure of system and the drainage zones of hydrostructures Cheile Tatarului- Scropoasa, likewise, is can be said that exists a certain similitude between curve of correlation flows of the discharge and variation of piesometric surface of the carstic aquifer. A carstic hydrostructure can be treated as a system, which is defined through input component of exit and his internal structure. In structure of evolution of a system take place process and phenomenon of self-adjustment (feedback) factors which are define his components. The carstic system feature is their internal structure, which is very complicated, because it is given by the cracking degree and the stage of evolution processes of dissolve, the precipitation of file the hole with clastic material. As usually, statistical methods is applied to the input components and of the exit of the system, which their correlation is established the connection which already exists. In the same time, depending the correlation structure it is obtained the information concerning the internal structure of the system, especially, where is missed the works of directly investigations obviously, it is given the connection between the precipitations regime and variation flows of above ground water wit flow of discharge, the carstic system is considered a “black hole”(Boît-1991), this metaphor, can be used in the sense of ignorance the internal structure of the system. For understanding the methods of statistical analysis it is necessary of several definitions. The dates of regime of precipitations variation flows above ground water and flow of discharge, represents a succession of accomplishments of events. A lot of events (xi) of an element represents a process, and if all this events behaves uncertainties in time (ti) we have done with a stochastic process or an random function. The stochastic process reflect the evolution in time of a system which is already given. As any random function with time F(xi, ti) can be treated through the probabilistic methods. In analysis of the random function, which are some series of time, it is used the simple correlation analysis of a value, to understand the connection which exists between them. In case of more variable it is used the multivariate analysis correlation.
Authors and Affiliations
Alexandru ISTRATE
Keywords
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