Refining zoning of artificially-drained mine subsidence areas: Relative elevation models and hydrological hazard frameworks as decision support tools for spatial planning and mitigation of flood-related geohazards and risks regardless of prevailing water regimes

Dariusz Ignacy

Resources Policy, 2025, vol. 103, issue C

Abstract: The extraction of minerals is the main reason for the permanent maintenance of forced flows of surface and ground waters in mining and post-mining areas. When natural water flows are restored the inundated areas most often may be many times larger than the hitherto existing ones. This requires rethinking of existing land use in artificially-drained mining areas by using tailor-made spatial planning policy to address future changes in water conditions. The main goal of this paper is to show that in such areas the current prevalent practice of classical hydrological modeling using only the base flood translates into inadequacies in spatial planning policies. To accurately model the hydrological hazard in such areas, water equal to or greater than the 500-year flood as well as other flood-related geohazards and risks must be taken into consideration. The current practice and omissions can now be precisely updated and satisfied by the author's site-specific decision support tools, namely (1) hydrological hazard frameworks based on (2) relative elevation models. This article is the first in a series describing the use of the author's tools in spatial planning policy. Regardless of the restoration of natural water flows, these tools conceptualize, simplify and optimize spatial planning and environmental policies for mitigation of flood-related geohazards and risks in artificially-drained mine subsidence areas and constitute the key research finding of this paper. Due to the massive extent of mining and post-mining areas around the world, these decision support tools for spatial planning policy are applicable globally and can bring tangible and far-reaching benefits to regional economies and local communities.

Keywords: Artificial drainage; Decision support tool; Geohazards; Mining impacts; Mitigation strategies; Spatial planning (search for similar items in EconPapers)
Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:eee:jrpoli:v:103:y:2025:i:c:s030142072500114x

DOI: 10.1016/j.resourpol.2025.105572

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