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J Contam Hydrol. 2012 Jan 1;127(1-4):88-100. doi: 10.1016/j.jconhyd.2011.03.003. Epub 2011 Apr 7.

Integrated planning and spatial evaluation of megasite remediation and reuse options.

Author information

1
Institute for Geoscience, University of Tübingen, Germany. sebastian.schaedler@uni-tuebingen.de

Abstract

Redevelopment of large contaminated brownfields (megasites) is often hampered by a lack of communication and harmonization among diverse stakeholders with potentially conflicting interests. Decision support is required to provide integrative yet transparent evaluation of often complex spatial information to stakeholders with different areas of expertise. It is considered crucial for successful redevelopment to identify a shared vision of how the respective contaminated site could be remediated and redeveloped. We describe a framework of assessment methods and models that analyzes and visualizes site- and land use-specific spatial information at the screening level, with the aim to support the derivation of recommendable land use layouts and to initiate further and more detailed planning. The framework integrates a GIS-based identification of areas to be remediated, an estimation of associated clean-up costs, a spatially explicit market value appraisal, and an assessment of the planned future land use's contribution to sustainable urban and regional development. Case study results show that derived options are potentially favorable in both a sustainability and an economic sense and that iterative re-planning is facilitated by the evaluation and visualization of economic, ecological and socio-economic aspects. The framework supports an efficient early judgment about whether and how abandoned land may be assigned a sustainable and marketable land use.

PMID:
21531037
DOI:
10.1016/j.jconhyd.2011.03.003
[Indexed for MEDLINE]

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