The Physical Diversity and Assessment of a Large River System: The Murray‐Darling Basin, Australia

Thoms, Martín; Rayburg, Scott; Neave, Melissa

doi:10.1002/9780470723722.ch28

Cited by 15 publications

(27 citation statements)

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“…At each site, variables from three scales of organization (watershed, valley, and channel scales as recommended by Thoms et al. ) were extracted using a revised version of the ArcGIS functions and tools contained within the RESoNate program (Williams et al. ).…”

Section: Methodsmentioning

confidence: 99%

“…River networks are complex, hierarchically nested systems that function across multiple levels of organization and scale (Thoms et al. ; Milner et al. ).…”

Section: Introductionmentioning

confidence: 98%

“…), and geological history (Thoms et al. ). These are key independent variables determining the structure and function of river channel morphology (Schumm ).…”

Section: Introductionmentioning

confidence: 99%

“…Studies that have characterized FPZs within river networks with limited application or utility to such integrated river management exist (Thoms et al. ), and there is a need to progress these avenues by linking concepts of river network characterization, ecology, and ecosystem services.…”

Section: Introductionmentioning

confidence: 99%

“…), and those of the Murray‐Darling Basin, Australia (Thoms et al. ). Although these approaches have not as yet been widely applied, Milner et al.…”

Section: Introductionmentioning

confidence: 99%

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Characterization of River Networks: A GIS Approach and Its Applications

Thoms

Scown

Flotemersch

2018

J American Water Resour Assoc

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Fluvial geomorphology provides the basis for characterizing complex river networks and evaluating biophysical processes within watersheds. Understanding the spatial organization of morphological features, their influencing processes, and resultant geomorphic diversity in stream networks are important for efficient restoration, river health assessment, and improving our knowledge of the resilience of riverine landscapes. River characterization is a means to determine the biophysical character of river networks but many methods are fraught with pitfalls, such as the use of incorrect variables and limited acknowledgment of the hierarchical organization of rivers. In this paper, a top‐down geographic information system‐based approach for determining the physical typology of river networks is outlined. A suite of multivariate analyses are used to develop a nomenclature for functional process zones (FPZs) — large tracts of the river network with similar hydro‐geomorphological character. Applied to the Little Miami River, Ohio, six distinct FPZs emerged, which had a nonuniform distribution along the river network. Some FPZs repeated downstream; others were rare in terms of total length and number of FPZ segments. The physical structure of the Little Miami River network was analyzed using a series of community metrics. Application of this approach for river monitoring, establishing reference conditions, as well as management of threatened and endangered species and asset trading is highlighted.

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Section: Methodsmentioning

confidence: 99%

“…River networks are complex, hierarchically nested systems that function across multiple levels of organization and scale (Thoms et al. ; Milner et al. ).…”

Section: Introductionmentioning

confidence: 98%

“…), and geological history (Thoms et al. ). These are key independent variables determining the structure and function of river channel morphology (Schumm ).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…), and those of the Murray‐Darling Basin, Australia (Thoms et al. ). Although these approaches have not as yet been widely applied, Milner et al.…”

Section: Introductionmentioning

confidence: 99%

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