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THE EVOLUTION AND TENDENCIES OF THE QUALITY OF WATER IN SIRET RIVER BASIN IN ROMANIA, IMPORTANT BRANCH OF THE DANUBE HYDROGRAPHIC BASIN


DAN DăSCăLIĆŁA
“Vasile Alecsandri” University of Bacau”; Siret River Water Basin Administration, Bacau City, Romania e-mail:dan_dsclt@yahoo.com; dan.dascalita@das.rowater.ro

Issue:

SCSB, Number 2, Volume XX

Section:

Volume 20, No.2 - Animal Biology

Abstract:

The Siret River Basin is located in Eastern

Romania, occupying most of the Moldovian

Provence. It springs from the Carpathian Forests

in Ukraine and flows into the Danube after a

route of 726 km. The total area of the Siret River

Basin is 47610 km

2

and the multiannual average

flow at the confluence with the Danube is

240m

3

/s.

On the Romanian territory, the length of

the Siret River is 590 km and the catchment area

is 42890 km

2

.

The basic characteristics of the

hydrological regime are determined by the large

share of mountain affluents, located on the right

side: Suceava river (L = 173 km, S = 2643 km

2

),

Moldova River (L = 213 km, S = 4299 km

2

),

Bistrita River (L = 283 km, S = 7039 km

2

), Trotus

River (L = 162 km, S = 4456 km

2

), Putna River

(L = 153 km, S = 2480 km

2

), Ramnicu Sarat

River (L = 137 km, S = 1063 km

2

) and Buzau

River (L = 302 km, S = 5264 km

2

). The only

important affluent on the left side of the Siret

River is Barlad River (L = 207 km, S = 7220km

2

),

which drains the plateau areas.

Most of the Siret River basin located in

Romania is administrated by the Directorate of

Siret Waters (27 402 km

2

), the remaining pool

being administrated by the Water Directorate

Buzau - Ialomita (BH Buzau with other small

affluents on the right side of the Lower Siret

River) and Prut Water Directorate (BH Barlad

and several smaller affluents on the left side of

the lower Siret River).

Siret River is the second longest river

(after Prut River) flowing into the Danube, close

to the city of Galati (over 300 000 inhabitants).

In the confluence section, Danube has a

multiannual average flow of 6000 m

3

/s, which

means over 24 times more than the flow of Siret

River.

In this paper I will present a succinct

evolution of the quality of water in Siret River,

between 1995 and 2011, and a tendency of this

water quality, from the river’s entrance on

Romanian territory until its flow into the Danube.

The study about the Siret River water quality is

based on data collected by the Directorate of Siret

Waters, where I have been working for the past

20 years. To anticipate the water quality

tendencies, I took into account the following:

- the results from water quality monitoring

between 1995 and 2011;

- the tendencies of demographic and economic

development in the Siret River Basin;

- the constraints regarding water pollution

reduction, so that any section of the river has

good quality water, according to the main

purpose of 60/2000/CE Directive, issued by

the European Parliament and the European

Union Council.

Keywords:

water quality, water surface monitoring, hydrographic basins.

Code [ID]:

SCSB20112002V20S01A0020 [0003737]


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