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Reducing the loss of information and gaining accuracy with clustering methods in a global land-use model

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  • Dietrich, Jan Philipp
  • Popp, Alexander
  • Lotze-Campen, Hermann

Abstract

Global land-use models have to deal with processes on several spatial scales, ranging from the global scale down to the farm level. The increasing complexity of modern land-use models combined with the problem of limited computational resources represents a challenge to modelers. One solution of this problem is to perform spatial aggregation based on a regular grid or administrative units such as countries. Unfortunately this type of aggregation flattens many regional differences and produces a homogenized map of the world. In this paper we present an alternative aggregation approach using clustering methods. Clustering reduces the loss of information due to aggregation by choosing an appropriate aggregation pattern.

Suggested Citation

  • Dietrich, Jan Philipp & Popp, Alexander & Lotze-Campen, Hermann, 2013. "Reducing the loss of information and gaining accuracy with clustering methods in a global land-use model," Ecological Modelling, Elsevier, vol. 263(C), pages 233-243.
    • Handle: RePEc:eee:ecomod:v:263:y:2013:i:c:p:233-243
    DOI: 10.1016/j.ecolmodel.2013.05.009
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    References listed on IDEAS

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    1. Hermann Lotze‐Campen & Christoph Müller & Alberte Bondeau & Stefanie Rost & Alexander Popp & Wolfgang Lucht, 2008. "Global food demand, productivity growth, and the scarcity of land and water resources: a spatially explicit mathematical programming approach," Agricultural Economics, International Association of Agricultural Economists, vol. 39(3), pages 325-338, November.
    2. Peter Verburg & Bas Eickhout & Hans Meijl, 2008. "A multi-scale, multi-model approach for analyzing the future dynamics of European land use," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 42(1), pages 57-77, March.
    3. Gibson, Clark C. & Ostrom, Elinor & Ahn, T. K., 2000. "The concept of scale and the human dimensions of global change: a survey," Ecological Economics, Elsevier, vol. 32(2), pages 217-239, February.
    4. Krause, Michael & Lotze-Campen, Hermann & Popp, Alexander, 2009. "Spatially-explicit scenarios on global cropland expansion and available forest land in an integrated modelling framework," 2009 Conference, August 16-22, 2009, Beijing, China 51751, International Association of Agricultural Economists.
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    Cited by:

    1. Bjoern Soergel & Elmar Kriegler & Isabelle Weindl & Sebastian Rauner & Alois Dirnaichner & Constantin Ruhe & Matthias Hofmann & Nico Bauer & Christoph Bertram & Benjamin Leon Bodirsky & Marian Leimbac, 2021. "A sustainable development pathway for climate action within the UN 2030 Agenda," Nature Climate Change, Nature, vol. 11(8), pages 656-664, August.
    2. Patrick José Jeetze & Isabelle Weindl & Justin Andrew Johnson & Pasquale Borrelli & Panos Panagos & Edna J. Molina Bacca & Kristine Karstens & Florian Humpenöder & Jan Philipp Dietrich & Sara Minoli &, 2023. "Projected landscape-scale repercussions of global action for climate and biodiversity protection," Nature Communications, Nature, vol. 14(1), pages 1-14, December.
    3. Abhijeet Mishra & Florian Humpenöder & Galina Churkina & Christopher P. O. Reyer & Felicitas Beier & Benjamin Leon Bodirsky & Hans Joachim Schellnhuber & Hermann Lotze-Campen & Alexander Popp, 2022. "Land use change and carbon emissions of a transformation to timber cities," Nature Communications, Nature, vol. 13(1), pages 1-12, December.
    4. Florian Humpenöder & Alexander Popp & Carl-Friedrich Schleussner & Anton Orlov & Michael Gregory Windisch & Inga Menke & Julia Pongratz & Felix Havermann & Wim Thiery & Fei Luo & Patrick v. Jeetze & J, 2022. "Overcoming global inequality is critical for land-based mitigation in line with the Paris Agreement," Nature Communications, Nature, vol. 13(1), pages 1-15, December.

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