Legacy data for 3D modelling of peat properties with uncertainty estimation in Dava bog - Scotland

Laura Poggio*, Alessandro Gimona, Inge Aalders, Jane Morrice, Rupert Hough

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


Peatlands are an important potential sink or source of carbon and play a significant role in climate change regulation. Understanding peatland as 3D-landforms is as important as mapping their spatial extent. The main aim of this work was to estimate a 3D representation of peat properties and assess the associated spatial uncertainty, to provide baseline information for climate and land use change analyses. In this study a combination of 3D Generalized Additive Models and 3D geostatistics was applied to a raised basin bog using legacy data to map carbon content. The study presents a novel approach based on methods providing quantification of the spatial uncertainty and the possibility to model complex relationships. The approach fully exploits the 3D spatial relationships between the survey points while supported by environmental variables. The methods proved to be general and highly flexible. The results of this study showed that it is possible to model peat properties to obtain a detailed volumetric assessment of the peat, including carbon stocks from a limited set of legacy data. The estimates of spatial uncertainty are important when including the results in further environmental and climate-change models or for decision making to provide alternatives and prioritisation.

Original languageEnglish
Article numbere00288
JournalGeoderma Regional
Publication statusPublished - Sep 2020


  • Digital soil mapping
  • Histosols
  • Legacy data
  • Peat
  • Soil carbon
  • Uncertainty

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