Towards harmonization of water quality classification in the Danube River Basin: Overview of biological assessment methods for running waters

River Systems ◽  
2005 ◽  
Vol 16 (1-2) ◽  
pp. 171-196
Author(s):  
Sebastian Birk ◽  
Ursula Schmedtje
Keyword(s):  
Water Quality ◽  
River Basin ◽  
Assessment Methods ◽  
Danube River ◽  
Biological Assessment ◽  
Running Waters ◽  
The Danube River ◽  
Quality Classification ◽  
Water Quality Classification ◽  
Danube River Basin

Identification of nitrate sources, hot spots, and dilution in the Danube River Basin using a multitracer approach

2020 ◽  
Author(s):  
Janine Halder ◽  
Yuliya Vystavna ◽  
Cedric Douence ◽  
Christian Resch ◽  
Roman Gruber ◽  
...  
Keyword(s):  
Water Quality ◽  
Stable Isotopes ◽  
River Basin ◽  
Danube River ◽  
Quality Data ◽  
The Black Sea ◽  
Main Stream ◽  
Water Quality Data ◽  
The Danube River ◽  
Danube River Basin

<p>The Danube is Europe`s second longest river, stretching from Germany to the Black Sea. Water quality in the Danube River Basin is regularly monitored by the national authorities of all riparian countries and in addition for specific water quality data during the Joint Danube Surveys (JSD), which is organised by the International Commission for the Protection of the Danube River every 6 years.</p><p>This study presents the results of water stable isotopes and stable isotopes (<sup>15</sup>N and <sup>18</sup>O) of nitrate as well as major ion analysis from 3 JDS (2001, 2007, 2019). Results indicate that water stable isotopes allow to trace differences in the amount of snowmelt contribution to the Danube and hence the dilution effects of pollutants e.g. nitrate. The oxygen and nitrogen isotope compositions of nitrate are clearly indicating that nitrate in the Danube main stream mainly derives from waste water effluents, which input is increasing along the stream. This can furthermore be confirmed by results of micropollutant studies that demonstrate an increase of widely consumed pharmaceuticals (carbamazepine, diclofenac and caffeine) at different sections of the Danube River affected by tributary inflows and discharge from urban settlements.</p><p>In summary, this study is an example of combining isotope techniques, hydrological methods but also emerging compounds in order to approach the fate of anthropogenically derived nitrate within the Danube Basin. The results of this study aim to support the 2021 update of the Danube River Basin Management Plan as well as water monitoring practices across the Danube countries.</p>

scholarly journals Review on water quality assessment in the Danube river basin

2018 ◽  
Vol 41 (1) ◽  
pp. 189-195
Author(s):  
Mădălina Călmuc ◽  
◽  
Valentina A. Călmuc ◽  
Cătălina M. Țopa ◽  
Mihaela Timofti ◽  
...  
Keyword(s):  
Water Quality ◽  
Quality Assessment ◽  
River Basin ◽  
Water Quality Assessment ◽  
Danube River ◽  
The Danube River ◽  
Danube River Basin

Tracking the Origin of Moisture (and Moisture for Precipitation) over the Danube River Basin through a Lagrangian Approach

2016 ◽  
Author(s):  
Danica Ciric ◽  
Milica Stojanovic ◽  
Anita Drumond ◽  
Raquel Nieto ◽  
Luis Gimeno
Keyword(s):  
River Basin ◽  
Lagrangian Approach ◽  
Danube River ◽  
The Danube River ◽  
Danube River Basin

The environmental programme for the Danube River Basin

1994 ◽  
Vol 30 (5) ◽  
pp. 135-145 ◽  
Author(s):  
D. W. Rodda
Keyword(s):  
Environmental Management ◽  
River Basin ◽  
Technical Assistance ◽  
Agricultural Practices ◽  
Danube River ◽  
The Black Sea ◽  
Diverse Range ◽  
Regional Approach ◽  
The Danube River ◽  
Danube River Basin

The Programme has the objective of providing a regional approach to environmental management in the Danube River Basin where there is great pressure from a diverse range of human activities. Serious pollution problems exist from urban populations, from industry, and from intensive agricultural practices. Although the water quality of the main Danube river is probably better than the Rhine because of its greater flow, the same is not the case in the tributaries where there the problems are more serious. A factor which makes a compelling case for a regional approach is the deterioration of the Black Sea into which the main Danube river discharges significant loads of nutrients and a range of non-degradable contaminants. The application of limited financial resources will require fine judgement about the high priority pollution sources that will lead to cost-effective improvements. This action, and other technical assistance, also requires a considerable effort to strengthen the organisations having responsibility for environmental management, and to develop effective public participation. The paper emphasises the water pollution problems in the river basin.

Examples of Floodplain Restoration Evaluation Studies in the Danube River Basin

2021 ◽  
Author(s):  
Francesca Perosa ◽  
Marion Gelhaus ◽  
Veronika Zwirglmaier ◽  
Leonardo F. Arias-Rodriguez ◽  
Aude Zingraff-Hamed ◽  
...  
Keyword(s):  
River Basin ◽  
Evaluation Studies ◽  
Danube River ◽  
Floodplain Restoration ◽  
The Danube River ◽  
Danube Catchment ◽  
General Benefit ◽  
Work Done ◽  
Restoration Measures ◽  
Danube River Basin

<p>Countries located in the Danube River Basin (DRB) are in danger of being affected by major catastrophic floods along the Danube and its tributaries. Floodplain restoration measures are among win-win nature-based solutions (NBS) for flood risk reduction but practitioners see their limitations in comparison to technical measures, when looking at their effectiveness and profitability. Within the framework of the EU Interreg Danube Floodplain project, this presentation shows the benefits of floodplain restoration in terms of monetized ecosystem services (ES). Our work focused on multiple ES groups for four study areas in the Danube catchment, located in Czech Republic, Romania, Serbia, and Slovenia. This was done with the help of stakeholder engagement, hydrodynamic models results, and the Toolkit for Ecosystem Service Site-Based Assessment (TESSA). Moreover, the approach was complemented with alternative methodologies (e.g. surveys on social media). Results show positive annual combined benefits of floodplain restoration measures, suggesting the helpfulness of evaluating these NBS through ES assessment. The work done will help increasing the knowledge on floodplain and their ES, and on how to rapidly evaluate them. Moreover, it will bring decision-makers further evidence in favor of floodplain restoration measures to be implemented for a general benefit of the communities.</p>

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