Joint Danube Survey 4
The Danube Exploration and Maintenance Executive Agency of Bulgaria participates in one of the most extensive surface water studies in the world - the "Joint Danube Survey 4 - JDS4", the Press Center of the Agency reports.
At the initiative of the International Commission for the Protection of the Danube River (ICPDR) in 2001, a survey and assessment of the state of the river is being carried out jointly (with the participation of all the Danube river basin) every six years.
The main purpose of the research is to gather vital data on the carefully selected elements of water quality along the entire length of the river and its main tributaries.
Within JDS4, new monitoring methods are being tested - with water filtration equipment for different periods of time (from weeks to months). The equipment is two types - a microplate monitoring chamber and a passive sampller for monitoring organic micro-pollutants in water. Part of the equipment is installed in the region of Rousse and Vidin.
The project harmonises water monitoring practices in the Danube countries following the Water Framework Directive (WFD), which obliges Member States to achieve good water quality.
The result of the JDS4 Survey should cover the information gaps considered necessary for the planned update of the Danube Basin Management Plan in 2021.
Passive sampling for monitoring of organic micro-pollutants in water
Microplate monitoring enclosure
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