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Trying to understand what is driving changes in the world's rivers and deltas
Sediment as a vector of livelihoods
Sediment as a vector of livelihoods
My on-going research aims to improve our understanding of the ways in which rivers and deltas respond to human induced changes to their sediment load. Sediment underpins the entire functioning of delta regions, yet one of the biggest, unconstrained risks to global deltas is the removal of sand from river channels. Current global demand for sand (50,000 Mt yr-1) significantly outstrips the total estimated global sediment flux from rivers (19,000 Mt yr-1), and as such sand extraction is having major impacts on the behaviour of rivers and deltas. To better support sustainable futures and livelihoods in delta regions we need to understand the physical and environmental impacts our actions are having.
I am a Fellow in the School of Geography, Politics and Sociology at Newcastle University in the UK. You can find more about my background, if you're interested, here.
Research Projects (click on the images for more information)
Research Projects (click on the images for more information)
Sand is the most consumed natural resource, behind water. This research seeks to understand how our demand for sand is driving morphological change in rivers and deltas.
With nearly 600 million people living on deltas around the world, this Royal Society funded work aims to understand how sediment and water is moved through delta channels.
This National Geographic project is looking at the controls on the fluxes of microplastics through the Mekong River.
Funded by the British Academy, this research develops creative, youth-led perspectives and action on climate challenges facing one of the most populous, economically important and ethnically diverse areas in Vietnam, the Red River.
This project funded by the British Society for Geomorphology looks to understand how flows near the outer bank of river meanders change with increasing discharges, and what this means for river bank erosion rates.
Funded by NERC, this project seeks to quantify and model the impact of different roughness scales on flow depth and velocities in bedrock rivers.
Questions?
Questions?
Contact christopher.hackney@ncl.ac.uk to get more information
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