Search Results - "Dunne, Kieran B J"
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Sediment Entrainment and Slump Blocks Limit Permafrost Riverbank Erosion
Published in Geophysical research letters (16-06-2023)“…Climatic warming and permafrost thaw are predicted to increase Arctic riverbank erosion, threatening communities and accelerating sediment, carbon and nutrient…”
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What sets river width?
Published in Science advances (09-10-2020)“…The width of river channels is controlled by the resistance to erosion of the most difficult to erode material lining the channel. One of the simplest…”
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Evidence of, and a proposed explanation for, bimodal transport states in alluvial rivers
Published in Earth surface dynamics (25-07-2018)“…Gravel-bedded rivers organize their bank-full channel geometry and grain size such that shear stress is close to the threshold of motion. Sand-bedded rivers,…”
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Mercury stocks in discontinuous permafrost and their mobilization by river migration in the Yukon River Basin
Published in Environmental research letters (01-08-2024)“…Rapid warming in the Arctic threatens to destabilize mercury (Hg) deposits contained within soils in permafrost regions. Yet current estimates of the amount of…”
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Geomorphic risk maps for river migration using probabilistic modeling – a framework
Published in Earth surface dynamics (08-05-2024)“…Lateral migration of meandering rivers poses erosional risks to human settlements, roads, and infrastructure in alluvial floodplains. While there is a large…”
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Limits on the morphogenetic role of rain splash transport in hillslope evolution
Published in Journal of geophysical research. Earth surface (01-03-2016)“…An experimentally parameterized equation for rain splash transport was generalized in order to compute annual sediment transport rates for a range of climates…”
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The Flocculation State of Mud in the Lowermost Freshwater Reaches of the Mississippi River: Spatial Distribution of Sizes, Seasonal Changes, and Their Impact on Vertical Concentration Profiles
Published in Journal of geophysical research. Earth surface (01-07-2023)“…We use in situ measurements of suspended mud to assess the flocculation state of the lowermost freshwater reaches of the Mississippi River. The goal of the…”
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FlocARAZI: An In‐Situ, Image‐Based Profiling Instrument for Sizing Solid and Flocculated Suspended Sediment
Published in Journal of geophysical research. Earth surface (01-11-2021)“…An inexpensive and compact underwater digital camera imaging system was developed to collect in situ high resolution images of flocculated suspended sediment…”
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Flocculation characteristics of suspended Mississippi River mud under variable turbulence, water and salt sources, and salinity: a laboratory study
Published in Frontiers in earth science (Lausanne) (21-02-2024)“…Muddy sediment constitutes a major fraction of the suspended sediment mass carried by the Mississippi River. Thus, adequate knowledge of the transport dynamics…”
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Competing Influences of Land Use and Greenhouse Gas Emissions on Mississippi River Basin Hydroclimate Simulated Over the Last Millennium
Published in Paleoceanography and paleoclimatology (01-07-2024)“…The Mississippi River is a vital economic corridor used for generating hydroelectric power, transporting agricultural products, and municipal and industrial…”
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Threshold constraints on the size, shape and stability of alluvial rivers
Published in Nature reviews. Earth & environment (01-06-2022)“…The geometry of alluvial river channels both controls and adjusts to the flow of water and sediment within them. This feedback between flow and form modulates…”
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