The international river interface cooperative: Public domain flow and morphodynamics software for education and applications

Nelson, Jonathan M.; Shimizu, Yasuyuki; Abe, Takaaki; Asahi, Kazutake; Gamou, Mineyuki; Inoue, Takuya; Iwasaki, Toshiki; Kakinuma, Takaharu; Kawamura, Satomi; Kimura, Ichirô; Kyuka, Tomoko; McDonald, Richard R.; Nabi, Mohamed; Nakatsugawa, Makoto; Simões, Francisco R.; Takebayashi, Hiroshi; Watanabe, Yasunori

doi:10.1016/j.advwatres.2015.09.017

Cited by 104 publications

(89 citation statements)

References 28 publications

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“…1), which is part of the modelling software iRIC (Nelson et al, 2010), was used to predict the hydraulic habitat conditions (e.g., flow velocity, water depth). Similar to other 2D hydrodynamic models, FaSTMECH numerically solves the basic mass conservation equation and two horizontal components of momentum conservation to calculate two horizontal flow velocity vectors and water depth.…”

Section: -D Hydrodynamic Modellingmentioning

confidence: 99%

Eco-hydrologic model cascades: Simulating land use and climate change impacts on hydrology, hydraulics and habitats for fish and macroinvertebrates

Guse

Kail

Radinger

et al. 2015

Science of The Total Environment

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Section: -D Hydrodynamic Modellingmentioning

confidence: 99%

Eco-hydrologic model cascades: Simulating land use and climate change impacts on hydrology, hydraulics and habitats for fish and macroinvertebrates

Guse

Kail

Radinger

et al. 2015

Science of The Total Environment

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“…FaSTMECH solves the depth-and Reynolds-averaged momentum equations in the streamwise (s) and cross-stream (n) directions, in a channel-fitted curvilinear coordinate system, using a finite-difference solution (Nelson et al, 2003(Nelson et al, , 2016. Bed stress closure 5 is achieved through a drag coefficient scheme (Cd), where boundary shear stress ( ) in the streamwise (s) and stream-normal (n) directions are estimated as:…”

Section: Flow Modelmentioning

confidence: 99%

“…To characterize the influence of a vegetated bar on channel-bend hydraulics, we used FaSTMECH (version 2.3.2), a hydrostatic, quasi-steady flow model contained within iRIC (Nelson et al, 2016; http://i-ric.org/en/index.html). FaSTMECH solves the depth-and Reynolds-averaged momentum equations in the streamwise (s) and cross-stream (n) directions, in a channel-fitted curvilinear coordinate system, using a finite-difference solution (Nelson et al, 2003(Nelson et al, , 2016.…”

Section: Flow Modelmentioning

confidence: 99%

The influence of a vegetated bar on channel-bend flow dynamics

Bywater‐Reyes¹,

Diehl²,

Wilcox³

2017

Preprint

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“…The photogrammetry-generated DEMs were then used as topographic input to Nays2DH, a depth-averaged hydrodynamic model implemented within the International River Interface Cooperative software framework (Nelson et al 2016). Nays2DH solves the shallow water equations using a general curvilinear grid for numerical discretization;…”

Section: Hydrodynamic Modellingmentioning

confidence: 99%

Linking geomorphic change due to floods to spatial hydraulic habitat dynamics

Tamminga

Eaton

2018

Ecohydrology

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Large flood events have the capacity to induce geomorphic restructuring that can impact riverine ecosystems. However, the detailed morphodynamics associated with infrequent, high-magnitude floods are variable and difficult to capture, and more research is needed into potential relationships between geomorphic change, flow organization, and aquatic habitat dynamics. In this study, we focus on the reach-scale response of a gravel bed river to a large flood, employing a combined remote sensing, field measurement, and numerical modelling approach to measure and interpret conditions bracketing the flood. Documented geomorphic turnover was extensive, reworking low-flow channel patterns and causing widespread bank erosion and sediment deposition. This resulted in a shift to wide, shallow flow conditions in the post-flood morphology and a loss of hydraulic diversity, particularly in ecologically important pool and riffle units identified using a fuzzy statistical classification method. These impacts are most evident at low flows; higher discharges display relatively similar hydraulic conditions despite geomorphic change. Smaller-scale adjustments in the year following the flood appear to be driving the reintroduction of hydraulic diversity, which is interpreted as beneficial for in-stream brown trout. Results from this study highlight the utility of applying flexible and objective remote sensing and modelling methods to measure fluvial change and provide a real-world example that can inform broader theoretical understanding of large flood ecohydrology. KEYWORDS aquatic habitat, fluvial remote sensing, flood impacts, geomorphology 1 Ecohydrology. 2018;11:e2018.wileyonlinelibrary.com/journal/eco

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The international river interface cooperative: Public domain flow and morphodynamics software for education and applications

Cited by 104 publications

References 28 publications

Eco-hydrologic model cascades: Simulating land use and climate change impacts on hydrology, hydraulics and habitats for fish and macroinvertebrates

Eco-hydrologic model cascades: Simulating land use and climate change impacts on hydrology, hydraulics and habitats for fish and macroinvertebrates

The influence of a vegetated bar on channel-bend flow dynamics

Linking geomorphic change due to floods to spatial hydraulic habitat dynamics

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