Information - HS37 Sustainable catchment management: assessing water quality on the catchment scale
The European Framework Directive poses quite a challenge to the assessment and sustainable management of water quality on the catchment scale. Surface waters as well as groundwater bodies have to be addressed. Appropriate monitoring networks as well as water quality models for the evaluation of the efficiency of measures have to be compiled and tested. For the estimation of water fluxes and water balances on catchment scale a variety of suitable methods are well established in the scientific community. But water quality models still are faced with many problems. One of these is the scarcity of a reliable long-term database on the scale of interest. Water quality data need to be measured with harmonized analytical methods throughout the catchment to make them comparable. And long-term observations as well as measurements with a high temporal resolution are required. For the management of water quality it is also of major importance to identify the correct entry pathways of pollutants into water bodies. So often mathematical algorithms to describe pollutant transport are available, but a thorough testing with sound catchment data proves to be difficult. Questions such as the transferability of process knowledge on pollutant transport to other scales and also the quantification of uncertainty in water quality modelling can still not be answered.
This session aims to get together scientist working on experimental as well as on modelling studies. This session welcomes contributions on the following particular issues with respect to the management of water quality on the catchment scale:
- Identification of entry pathways of pollutants into water bodies
- Description of transport processes of nutrients and pollutants
- Water quality modelling on the catchment scale
- Water quality monitoring systems
- Management of water quality and quantity by land use management
- "Management of pollutants": Pollution reduction measures
- Application of scenario technique for catchment management
Preliminary List of Solicited Speakers
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