Abstract
Abstract. In situ measurement with a portable multi-parameter sonde was used in the framework of the Cleanwater project – LIFE09 ENV/RO/000612, for a rapid investigation of nitrates pollution in Barlad River basin, in rivers and domestic wells, in addition to laboratory measurements. Water samples were analysed in an accredited laboratory for water monitoring, such as the Vaslui Water Management System from Barlad basin. Sampling campaigns were performed monthly in the period April–November 2011. In order to find the main factors that influence the measurements, the behaviour of equipment was analysed in rivers, for different water sampling points along the river and the cross-sections, taking into account the water level, the turbulence, the vegetation and the obstacles along the river. Results proved the multiparameter sonde as a useful device for rapidly monitoring spatial distributions or temporal trends of nitrates or chlorophyll a, and detecting sudden changes in surface and groundwater quality.
Highlights
This paper is the presentation of the field campaigns accomplished in the framework of the Cleanwater Project (LIFE09 ENV/RO/000612)
One of the documents is Directive 91/676/EEC concerning the protection of waters against pollution caused by nitrates from agricultural sources (Nitrates Directive) which has as main objectives the reduction of pollution caused or induced by nitrates from agricultural sources and prevention of water pollution with nitrates
Taking into account that within the Barlad Basin there are no historical measurements for chlorophyll a along the river, the field campaigns for surface water were focused on the values of chlorophyll a and nitrate concentrations
Summary
This paper is the presentation of the field campaigns accomplished in the framework of the Cleanwater Project (LIFE09 ENV/RO/000612). One of the documents is Directive 91/676/EEC concerning the protection of waters against pollution caused by nitrates from agricultural sources (Nitrates Directive) which has as main objectives the reduction of pollution caused or induced by nitrates from agricultural sources and prevention of water pollution with nitrates. As a result of the Water Framework Directive it has become necessary to monitor all water resources within a catchment. The permanent knowledge of water resources status is an objective requirement which cannot be adequately achieved without a modern integrated water monitoring system. In Romania, the Water Monitoring System has been operating in a scientific and definite structure, but since 2002 the question of the modernization and the development of an integrated water monitoring system was raised so it could meet the European standards and the monitoring requirements (Dascalatia 2011)
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