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CONTRIBUTIONS TO DEPOLLUTE THE WATERS OF SIRET HYDROGRAPHIC BASIN QUALITATIVE CHARACTERISATION OF THE WATERS OF SIRET HYDROGRAPHIC BASIN


NEDELCU CRISTINA, CIOBANU DOMNICA
UNIVERSITY OF BACĂU

Issue:

MOCM, Number 9, Volume I

Section:

Issue No. 9 - Volume I (2003)

Abstract:

Up to the present, analyses have shown that most of the elements in the periodic system are found in water. Most of them are contained in tiny quantities, so that they do not modify water quality. In Siret hydrographic basin, in laboratories of physicochemical, biological and bacteriological analyses, investigations are carried out to determine the quality of surface waters in rivers of I and II orders in slow and rapid flow. When it comes to slow flow, water quality is analyzed monthly in 36 sections of I order, and quarterly in 24 sections of II order. As to rapid flow, analyzes are daily made in 16 sections. These analyses were made between 1998-2001 and values for all gauges were established. As a result of the determinations established, important changes regarding the oxygen pattern (OP) and the mineralization degree (MD) stood out. The results regarding water quality are the first step in the control activity with reference to technologies of depollution.

Keywords:

hydrographic basin, surface water, control section, affluents, gauges.

Code [ID]:

MOCM200309V01S01A0058 [0000962]

DOI: