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A new quantitative test of geomorphic models, applied to a model of braided streams

Publication ,  Journal Article
Murray, AB; Paola, C
Published in: Water Resources Research
August 1, 1996

Recent simple cellular models of self-organized geomorphic patterns embody a new understanding of complex, spatially extended systems. Such models can be difficult to test quantitatively because the statistics traditionally used can be insensitive even to visually obvious variations in a complex pattern. Here we develop a new approach to evaluating such models. We begin by applying to spatial patterns the state-space reconstruction techniques developed for dynamical systems, producing plots that summarize the patterns in a way that preserves more information than do the statistics usually used in geomorphology. Methods exist for characterizing some aspects of such plots. Here we develop a complementary method for quantitatively comparing state-space plots in a way that more directly evaluates the similarity between the typical features of spatial patterns. An application of this method to the patterns produced by a cellular braided- stream model and real braided streams indicates that this approach provides a relatively sensitive way of comparing model-generated and real spatial patterns.

Duke Scholars

Published In

Water Resources Research

DOI

ISSN

0043-1397

Publication Date

August 1, 1996

Volume

32

Issue

8

Start / End Page

2579 / 2587

Related Subject Headings

  • Environmental Engineering
  • 4011 Environmental engineering
  • 4005 Civil engineering
  • 3707 Hydrology
  • 0907 Environmental Engineering
  • 0905 Civil Engineering
  • 0406 Physical Geography and Environmental Geoscience
 

Citation

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Murray, A. B., & Paola, C. (1996). A new quantitative test of geomorphic models, applied to a model of braided streams. Water Resources Research, 32(8), 2579–2587. https://doi.org/10.1029/96WR00604
Murray, A. B., and C. Paola. “A new quantitative test of geomorphic models, applied to a model of braided streams.” Water Resources Research 32, no. 8 (August 1, 1996): 2579–87. https://doi.org/10.1029/96WR00604.
Murray AB, Paola C. A new quantitative test of geomorphic models, applied to a model of braided streams. Water Resources Research. 1996 Aug 1;32(8):2579–87.
Murray, A. B., and C. Paola. “A new quantitative test of geomorphic models, applied to a model of braided streams.” Water Resources Research, vol. 32, no. 8, Aug. 1996, pp. 2579–87. Scopus, doi:10.1029/96WR00604.
Murray AB, Paola C. A new quantitative test of geomorphic models, applied to a model of braided streams. Water Resources Research. 1996 Aug 1;32(8):2579–2587.
Journal cover image

Published In

Water Resources Research

DOI

ISSN

0043-1397

Publication Date

August 1, 1996

Volume

32

Issue

8

Start / End Page

2579 / 2587

Related Subject Headings

  • Environmental Engineering
  • 4011 Environmental engineering
  • 4005 Civil engineering
  • 3707 Hydrology
  • 0907 Environmental Engineering
  • 0905 Civil Engineering
  • 0406 Physical Geography and Environmental Geoscience