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LONG TERM STATISTICAL CHARACTERISTIC OF SEVERAL
PHYSICO-CHEMICAL PARAMETRES OF THE NEARSHORE
WATERS IN THE CONSTANTZA ZONE 


Adriana Popa, Adriana Cociasu, Lucia Popa, Iulia Voinescu,
Liliana Dorogan 
Institut Roumain de Recherches Marines Constanta


Abstract
The paper presents the usual statistical parameters and
the frequency distribution computed for the chronological
data series of the sea water temperature and salinity,
and the oxygen, organic substance, nitrate, silicate,
and phosphate contents measured daily at the Constantza
shore station during 1959-1983. The quarterly, seasonal
and semestrial selections for the entire period as well 
as for partial succesive periods have been analysed.