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Un índice de rugosidad del terreno a escala municipal a partir de modelos de elevación digital de acceso público

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Author Info

  • Goerlich Gisbert Francisco J.

    ()
    (Ivie; Universidad de Valencia)

  • Cantarino Martí Isidro

    ()
    (Universidad Politécnica de Valencia)

Abstract

This working paper looks at a geographical feature that, to our knowledge, has not been investigated in Spain so far, terrain ruggedness. Using geographical information systems and two public access digital elevation models we construct a terrain ruggedness index that quantifies topographic heterogeneity, and is based on the slope with neighborhood cells. Focusing on the higher resolution Digital Elevation Model, we show that ruggedness and altitude are almost completely unrelated and both variables have a very different spatial distribution. The main conclusion is that the ruggedness index provides a summary of a useful geographical feature of the landscape, in the same way as altitude or proximity to the coast. In addition, the Digital Terrain Model of ruggedness can be used to obtain average values of ruggedness at any level of geographical aggregation we desire, such as regions or municipalities.

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File URL: http://www.fbbva.es/TLFU/tlfu/esp/publicaciones/documentos/fichadoc/index.jsp?codigo=558
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Bibliographic Info

Paper provided by Fundacion BBVA / BBVA Foundation in its series Working Papers with number 20105.

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Length: 52
Date of creation: Jul 2010
Date of revision:
Handle: RePEc:fbb:wpaper:20105

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Related research

Keywords: Digital Elevation Model; ruggedness index; altitude; GTOPO30; SRTM;

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Cited by:
  1. Rafael González-Val & Daniel A. Tirado-Fabregat & Elisabet Viladecans-Marsal, 2013. "Market potential and city growth: Spain 1860-1960," Working Papers 2013/13, Institut d'Economia de Barcelona (IEB).
  2. David Martín-Barroso & Juan A. Núñez & Francisco J. Velázquez, 2013. "The Effect On Firms? Productivity Of Accessibility. The Spanish Manufacturing Sector," ERSA conference papers ersa13p1123, European Regional Science Association.

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