[SDI-Europe] Establishing a water information system for Europe: constraints from spatial data heterogeneity

[Kate Lance]

http://www.blackwell-synergy.com/doi/abs/10.1111/j.1747-6593.2007.00073.x?journalCode=wej
Establishing a water information system for Europe: constraints from spatial data heterogeneity
Fredrik Hannerz, Sindre Langaas 
Water and Environment Journal 21 (3), 200–207
-- journal requires subscription to access
Water information systems (WIS) are being developed for countries, international river basins and the European Union (EU), partly as a result of the requirements specified in the EU Water Framework Directive (WFD). The issue of whether and how these information systems should be integrated into the European Commission's water information system for Europe (WISE) is currently an open one. We present a discussion with regard to the challenges facing WISE development, with particular focus on the heterogeneity of spatial base data. In addition, an assessment of this heterogeneity is presented based on Swedish and English WFD reporting data, and on WISE-relevant small-scale European base datasets. Results show that WFD reporting data are based on incomparable methods and spatial analysis units, and that small-scale data are transborder heterogeneous. Interpretation and international comparison of WFD results as well as their combination into a common WISE
 may therefore be largely constrained by spatial data heterogeneity.

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