Euro-limpacs Deliverables

ABSTRACT - DELIVERABLE 112

Report on updated WP6 meta-data and analysis

This report describes the meta−data collated as part of Work package 6, Task 6.1, and its analysis. This report updates Deliverable 29. The meta−data database represents a major project resource and analysis of the data using a Geographical Information System confirms there is a sound−basis for the modelling activities in Work package 6 and that appropriate data−sets are available for the application of these component and chained models to assess the impacts of climate−change and the mitigation strategies throughout Europe at the catchment scale. The results of the analysis confirm the following:
i) the Work package 6 study areas have been monitored for a wide−range of pollutants, including those central to Euro−limpacs: sediment, nitrogen, phosphorus, carbon, mercury;
ii) together the study areas cover the key climate types found in Europe;
iii) both small research catchments and large river−systems, appropriate for the scale of catchment−management, are included;
iv) the study areas include a range of rivers, lakes and wetlands, and systems that include at least two of these freshwater types;
v) the available data cover a range of temporal (daily to decadal) scales appropriate for the study of catchment−scale factors and processes controlling the hydrological, water−quality and ecological behaviour, the development of the component models and model−chains, and the replication of model applications across Europe to assess seasonal and inter−annual impacts of global change on the ecosystem;
vi) Apart from nitrate concentrations, the data collated to date are tend to be drawn from a few well monitored catchments. There is little to gain from automated methods of analysis for the assessment of spatial patterns that has not already been achieved by the EEA (1995).
vii) however, high−frequency (daily or sub−daily) water−chemistry monitoring for quantifying extremes is sparse.
viii) the long term stewardship of the meta−data is uncertain.

The meta−data were collated over the first two years of the project using a web−interface hosted on the Euro−limpacs web−site. Meta−data can be added, updated, removed and viewed using this interface which can be accessed using the following address: (http://www.eurolimpacs.ucl.ac.uk/userarea/database/metadata.php). A more detailed model−based assessment of the key factors and processes operating in some of the study−areas is provided in the recent special issue of the Science of the Total Environment (Deliverable 109).

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