Experimental studies and practical challenges in fluvial geomorphology

Métivier, François; Paola, Chris; Kozareck, J.; Tal, Michal

doi:10.1002/9781118648551.ch20

Cited by 2 publications

(1 citation statement)

References 88 publications

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“…The technique involves projecting a fringe pattern onto the experiment and analysing its deformation by the topography. The approach has been applied in experimental models of structural geology (Santolaria et al., 2015; Soto et al., 2020), submarine gravity currents (Weill et al., 2014), Martian valley formation (Marra et al., 2014), braided channels (Leduc et al., 2014; Métivier et al., 2016; Reitz et al., 2014) and alluvial and debris‐flow fans (de Haas et al., 2015, 2016; Delorme et al., 2018). As with TLS methods, depths are underestimated (channel bed elevations are overestimated) due to refraction of light at the air–water interface, so a refraction correction must be applied.…”

Section: Topographymentioning

confidence: 99%

Remote sensing of laboratory rivers

Leenman

Eaton

2023

Earth Surf Processes Landf

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Remote sensing enables us to measure fluvial systems without disrupting their dynamics. Small‐scale physical models of rivers allow us to observe their geomorphic evolution, but we need remote sensing methods to monitor these laboratory landscapes without altering their flow or topography, just as with field‐scale rivers. In this paper, we review how experimental geomorphologists have adapted remote sensing for the laboratory. We consider how remote methods to monitor model topography, flow depth, velocity and planform have been employed, enabling uninterrupted experimental evolution. We also explore the transfer of techniques between field‐scale and experimental remote sensing; the controlled conditions in the lab aided the development of some methods, while others benefited from airborne deployment. We consider recent developments offered by laboratory remote sensing, including through‐water laser scanning and adaptations of structure‐from‐motion photogrammetry; we also consider new challenges associated with these developments, such as computational power. Finally, we discuss new research problems that laboratory remote sensing is opening up to geomorphology. We hope this review will be useful for experimentalists seeking to collect data remotely, continuously and/or cost‐effectively.

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Section: Topographymentioning

confidence: 99%

Remote sensing of laboratory rivers

Leenman

Eaton

2023

Earth Surf Processes Landf

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Exactly Where Does the River Need Space to Move? Seeking Participatory Translation of Fluvial Geomorphology into Flood Management

Warner

Vogel

Hatch

2022

J American Water Resour Assoc

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Fluvial geomorphic risks are rarely incorporated into and mitigated by river flood management in the United States. Identifying where such risks exist is difficult and there is much scholarly debate on how best to do it. We incorporate this debate into a stakeholder‐driven process to assess its viability in translational fluvial geomorphology. Focusing on Massachusetts, USA we describe a decade‐long, stakeholder‐driven project that sought to better manage flood risks across the state. We found that even if a diverse group of expert stakeholders agrees on the science, politics complicate the transfer of science into policy in highly participatory settings. Stakeholders agreed that fluvial geomorphic risk mapping should result in a “river corridor” that must be process‐based, variable‐width, and based on readily available, easily measured data sources. However, without an agreed‐upon sense of how to resolve the geographic mismatch between an expansive scientifically defined corridor and one constrained by social and economic practicalities, stakeholders struggled to determine what a fluvial geomorphology‐informed river corridor would be used for, and by whom.

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Experimental studies and practical challenges in fluvial geomorphology

Cited by 2 publications

References 88 publications

Remote sensing of laboratory rivers

Remote sensing of laboratory rivers

Exactly Where Does the River Need Space to Move? Seeking Participatory Translation of Fluvial Geomorphology into Flood Management

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