Lithologic Control on the Scaling Properties of the First-Order Streams of Drainage Networks: A Monofractal Analysis

Cámara, J.; Gómez-Miguel, Vicente y Martin Martin, Miguel Angel (2013). Lithologic Control on the Scaling Properties of the First-Order Streams of Drainage Networks: A Monofractal Analysis. "Vadose Zone Journal", v. 12 (n. 3); pp. 1-8. ISSN 1539-1663.

Descripción

Título: Lithologic Control on the Scaling Properties of the First-Order Streams of Drainage Networks: A Monofractal Analysis
Autor/es:
  • Cámara, J.
  • Gómez-Miguel, Vicente
  • Martin Martin, Miguel Angel
Tipo de Documento: Artículo
Título de Revista/Publicación: Vadose Zone Journal
Fecha: Agosto 2013
Volumen: 12
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Matemática Aplicada a la Ingeniería Agronómica [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The movement of water through the landscape can be investigated at different scales. This study dealt with the interrelation between bedrock lithology and the geometry of the overlying drainage systems. Parameters of fractal analysis, such as fractal dimension and lacunarity, were used to measure and quantify this relationship. The interrelation between bedrock lithology and the geometry of the drainage systems has been widely studied in the last decades. The quantification of this linkage has not yet been clearly established. Several studies have selected river basins or regularly shaped areas as study units, assuming them to be lithologically homogeneous. This study considered irregular distributions of rock types, establishing areas of the soil map (1:25,000) with the same lithologic information as study units. The tectonic stability and the low climatic variability of the study region allowed effective investigation of the lithologic controls on the drainage networks developed on the plutonic rocks, the metamorphic rocks, and the sedimentary materials existing in the study area. To exclude the effect of multiple in- and outflows in the lithologically homogeneous units, we focused this study on the first-order streams of the drainage networks. The geometry of the hydrologic features was quantified through traditional metrics of fluvial geomorphology and scaling parameters of fractal analysis, such as the fractal dimension, the reference density, and the lacunarity. The results demonstrate the scale invariance of both the drainage networks and the set of first-order streams at the study scale and a relationship between scaling in the lithology and the drainage network.

Más información

ID de Registro: 26714
Identificador DC: http://oa.upm.es/26714/
Identificador OAI: oai:oa.upm.es:26714
URL Oficial: https://www.soils.org/publications/vzj/abstracts/12/3/vzj2012.0205?search-result=1
Depositado por: Memoria Investigacion
Depositado el: 23 Jun 2014 16:25
Ultima Modificación: 28 Feb 2015 23:56
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