Modeling ecosystem services (es) in soils of urban, industrial, traffic, mining, and military areas (suitmas) - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Conference Papers Year : 2016

Modeling ecosystem services (es) in soils of urban, industrial, traffic, mining, and military areas (suitmas)


In the current Anthropocene, in which human activities have become the major driving force affecting the environment, Soils of Urban, Industrial, Traffic, Mining, and military Areas (SUITMAs) are spreading. If we consider urban expansion as a proxy of these areas, up to 3% of the world land surface is already covered by SUITMAs and this percentage is growing. SUITMAs are often considered as degraded soils however they provide a wide range of ecosystem services (ES), including provisioning, regulating, and cultural services. To design and explore sustainable, and consistent scenarios for land-use planning including operations like brownfield rehabilitation or the development of urban green areas, there is a need to asses the various ES that are supported by SUITMAs. Whereas still under-developed, soil models adapted to SUITMAs are a basis to quantify and predict ES at the territory scale. Thus the objective of this communication is to review the state of development in the modeling of soil processes that support ES in SUITMAs. Our work is based on two recently published position papers (Morel et al., 2015, Ecosystem services provided by soils of urban, industrial, traffic, mining, and military areas (SUITMAs), Journal of Soils and Sediments and Leguédois et al., 2016, Modelling pedogenesis of Technosols, Geoderma). This mixed technical and conceptual analysis, including a detailed review of a corpus of existing models, allows us to address at once the features of a modeling framework for SUITMAs: the modeling approach, the identification of relevant soil processes, the time scales, and the spatial representation. Concerning the modeling approach, our work highlights that a SUITMAs' framework can be based on: (i) the process-based approach already well developed for others soils; (ii) the coupling of the numerous existing models, this coupling being facilitated by the use of techniques like modeling platforms, uncertainty and sensitivity analyses, or Bayesian methods. According to our work, the most crucial processes needed to represent ES in SUITMAs are related to structure dynamic (aggregation and porosity evolution, compaction), microbial activity, water transfer, and evolution of anthropic or natural organic matters. Whereas water transfer is globally well modeled, developments are necessary for the others processes. As soil processes like organic matter degradation or water transfer are highly seasonal, the models designed for ES assessment have to perform at the annual scale. Longer-term changes have also to be integrated at a decade scale as this timing is consistent with land-use planning. However, models at the decade scale are lacking. Soil's process-based models are mainly dealing with the profile scale and the developments for SUITMAs are focused on this scale but integration at a larger scale is needed to consider ES assessment at the territory level. Along with identified developments in SUITMAs' modelling, the global quantification and prediction of ES need to integrate, among others, economical and social dimensions. To do so, soil models could either by used in a companion approach or coupled in interdisciplinary global models.


Earth Sciences
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hal-02744233 , version 1 (03-06-2020)


  • HAL Id : hal-02744233 , version 1
  • PRODINRA : 349889


Sophie Leguédois, Geoffroy G. Séré, Apolline Auclerc, Françoise Watteau, Christophe Schwartz, et al.. Modeling ecosystem services (es) in soils of urban, industrial, traffic, mining, and military areas (suitmas). Austin International Conference on Soil Modeling, International Soil Modeling Consortium (ISMC), Mar 2016, Austin, United States. ⟨hal-02744233⟩
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