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Establishing sustainable sediment budgets is critical for climate-resilient mega-deltas (2021)
Journal Article
Vasilopoulos, G., Quan, Q. L., Parsons, D. R., Darby, S. E., Tri, V. P. D., Hung, N. N., …Aalto, R. (2021). Establishing sustainable sediment budgets is critical for climate-resilient mega-deltas. Environmental Research Letters, 16(6), https://doi.org/10.1088/1748-9326/ac06fc

Many of the world's major river deltas face a sustainability crisis, as they come under threat of increases in salinity and the extent of tidal zones forced by combinations of sea-level rise, changes in river discharge and channel geometry. The relat... Read More about Establishing sustainable sediment budgets is critical for climate-resilient mega-deltas.

Knickpoints and crescentic bedform interactions in submarine channels (2021)
Journal Article
Cartigny, M. J., Azpiroz-Zabala, M., Chen, Y., Parsons, D. R., Simmons, S. M., Williams, R., …Vendettuoli, D. (2021). Knickpoints and crescentic bedform interactions in submarine channels. Sedimentology, 68(4), 1358-1377. https://doi.org/10.1111/sed.12886

Submarine channels deliver globally important volumes of sediments, nutrients, contaminants and organic carbon into the deep sea. Knickpoints are significant topographic features found within numerous submarine channels, which most likely play an imp... Read More about Knickpoints and crescentic bedform interactions in submarine channels.

Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics (2021)
Journal Article
Rodgers, K., Mayes, W. M., Santoro, O., Redshaw, C., Mccumskay, R., & Parsons, D. R. (2021). Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics. Marine pollution bulletin, 167, https://doi.org/10.1016/j.marpolbul.2021.112272

Bio-based plastics were designed to replace single-use plastics and to cause less post-consumer environmental damage. This paper assesses the weathering of four bio-based polymers created by ring opening polymerization (ROP) promoted by a previously... Read More about Comparative assessment of marine weathering of ROP-derived biopolymers against conventional plastics.

Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers (2021)
Journal Article
Bailey, L. P., Clare, M. A., Rosenberger, K. J., Cartigny, M. J., Talling, P. J., Paull, C. K., …Monterey CCE Team, . (2021). Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers. Earth and planetary science letters, 562, https://doi.org/10.1016/j.epsl.2021.116845

Turbidity currents dominate sediment transfer into the deep ocean, and can damage critical seabed infrastructure. It is commonly inferred that powerful turbidity currents are triggered by major external events, such as storms, river floods, or earthq... Read More about Preconditioning by sediment accumulation can produce powerful turbidity currents without major external triggers.

Species-specific impact of microplastics on coral physiology (2020)
Journal Article
Mendrik, F., Henry, T., Burdett, H., Hackney, C., Waller, C., Parsons, D., & Hennige, S. (2021). Species-specific impact of microplastics on coral physiology. Environmental pollution, 269, https://doi.org/10.1016/j.envpol.2020.116238

There is evidence that microplastic (MP) pollution can negatively influence coral health; however, mechanisms are unknown and most studies have used MP exposure concentrations that are considerably higher than current environmental conditions. Furthe... Read More about Species-specific impact of microplastics on coral physiology.

Impact of dams and climate change on suspended sediment flux to the Mekong delta (2020)
Journal Article
Bussi, G., Darby, S. E., Whitehead, P. G., Jin, L., Dadson, S. J., Voepel, H. E., …Nicholas, A. (2021). Impact of dams and climate change on suspended sediment flux to the Mekong delta. The Science of the total environment, 755(1), https://doi.org/10.1016/j.scitotenv.2020.142468

The livelihoods of millions of people living in the world's deltas are deeply interconnected with the sediment dynamics of these deltas. In particular a sustainable supply of fluvial sediments from upstream is critical for ensuring the fertility of d... Read More about Impact of dams and climate change on suspended sediment flux to the Mekong delta.

Rapidly-migrating and internally-generated knickpoints can control submarine channel evolution (2020)
Journal Article
Heijnen, M. S., Simmons, S. M., Cartigny, M. J. B., Hughes Clarke, J. E., Talling, P. J., Clare, M. A., …Hughes Clarke, J. E. (2020). Rapidly-migrating and internally-generated knickpoints can control submarine channel evolution. Nature communications, 11(1), https://doi.org/10.1038/s41467-020-16861-x

Submarine channels are the primary conduits for terrestrial sediment, organic carbon, and pollutant transport to the deep sea. Submarine channels are far more difficult to monitor than rivers, and thus less well understood. Here we present 9 years of... Read More about Rapidly-migrating and internally-generated knickpoints can control submarine channel evolution.

A bedform phase diagram for dense granular currents (2020)
Journal Article
Smith, G., Rowley, P., Williams, R., Giordano, G., Trolese, M., Silleni, A., …Capon, S. (2020). A bedform phase diagram for dense granular currents. Nature communications, 11(1), https://doi.org/10.1038/s41467-020-16657-z

Pyroclastic density currents (PDCs) are a life-threatening volcanic hazard. Our understanding and hazard assessments of these flows rely on interpretations of their deposits. The occurrence of stratified layers, cross-stratification, and bedforms in... Read More about A bedform phase diagram for dense granular currents.

Asymmetric effects of a modelled tidal turbine on the flow and seabed (2020)
Journal Article
Ramírez-Mendoza, R., Ramírez -Mendoza, R., Murdoch, L., Jordan, L. B., Amoudry, L. O., McLelland, S., …Vezza, M. (2020). Asymmetric effects of a modelled tidal turbine on the flow and seabed. Renewable energy, 159, 238-249. https://doi.org/10.1016/j.renene.2020.05.133

The extraction of power from the flow of water has become an important potential source of clean energy. In spite of significant interest in the interaction between energy extraction devices and water currents, comparatively little work has focused o... Read More about Asymmetric effects of a modelled tidal turbine on the flow and seabed.

Efficient preservation of young terrestrial organic carbon in sandy turbidity-current deposits (2020)
Journal Article
Hage, S., Galy, V. V., Cartigny, M. J., Acikalin, S., Clare, M. A., Gröcke, D. R., …Talling, P. J. (2020). Efficient preservation of young terrestrial organic carbon in sandy turbidity-current deposits. Geology, 48(9), 882-887. https://doi.org/10.1130/G47320.1

Burial of terrestrial biospheric particulate organic carbon in marine sediments removes CO2 from the atmosphere, regulating climate over geologic time scales. Rivers deliver terrestrial organic carbon to the sea, while turbidity currents transport ri... Read More about Efficient preservation of young terrestrial organic carbon in sandy turbidity-current deposits.

Interactions between sediment microbial ecology and physical dynamics drive heterogeneity in contextually similar depositional systems (2020)
Journal Article
Hope, J. A., Malarkey, J., Baas, J. H., Peakall, J., Parsons, D. R., Manning, A. J., …Paterson, D. M. (2020). Interactions between sediment microbial ecology and physical dynamics drive heterogeneity in contextually similar depositional systems. Limnology and Oceanography, 65(10), 2403-2419. https://doi.org/10.1002/lno.11461

This study focuses on the interactions between sediment stability and biological and physical variables that influence the erodibility across different habitats. Sampling at short-term temporal scales illustrated the persistence of the microphytobent... Read More about Interactions between sediment microbial ecology and physical dynamics drive heterogeneity in contextually similar depositional systems.

Direct evidence of a high-concentration basal layer in a submarine turbidity current (2020)
Journal Article
Maier, K. L., Paull, C. K., Cartigny, M. J., Simmons, S. M., Talling, P. J., Wang, Z., …Parsons, D. R. (in press). Direct evidence of a high-concentration basal layer in a submarine turbidity current. Deep Sea Research Part I: Oceanographic Research Papers, https://doi.org/10.1016/j.dsr.2020.103300

Submarine turbidity currents are one of the most important sediment transfer processes on earth. Yet the fundamental nature of turbidity currents is still debated; especially whether they are entirely dilute and turbulent, or a thin and dense basal l... Read More about Direct evidence of a high-concentration basal layer in a submarine turbidity current.

Drainage and erosion of Cambodia's Great Lake in the middle-late Holocene: the combined role of climatic drying, base-level fall and river capture (2020)
Journal Article
Leng, M. J., Nicholas, A. P., Morgan, P. R., Hackney, C. R., Langdon, P. G., Best, J. L., …Penh, D. (2020). Drainage and erosion of Cambodia's Great Lake in the middle-late Holocene: the combined role of climatic drying, base-level fall and river capture. Quaternary science reviews, 236, https://doi.org/10.1016/j.quascirev.2020.106265

We provide evidence for a large-scale geomorphic event in Cambodia’s great lake, the Tonlé Sap, during the middle Holocene. The present-day hydrology of the basin is dominated by an annual flood pulse where water from the Mekong River raises the lake... Read More about Drainage and erosion of Cambodia's Great Lake in the middle-late Holocene: the combined role of climatic drying, base-level fall and river capture.

Novel acoustic method provides first detailed measurements of sediment concentration structure within submarine turbidity currents (2020)
Journal Article
Simmons, S. M., Azpiroz-Zabala, M., Cartigny, M. J. B., Clare, M. A., Cooper, C., Parsons, D. R., …Talling, P. J. (2020). Novel acoustic method provides first detailed measurements of sediment concentration structure within submarine turbidity currents. Journal of Geophysical Research: Oceans, 125(5), https://doi.org/10.1029/2019JC015904

Turbidity currents transport prodigious volumes of sediment to the deep-sea. But there are very few direct measurements from oceanic turbidity currents, ensuring they are poorly understood. Recent studies have used acoustic Doppler current profilers... Read More about Novel acoustic method provides first detailed measurements of sediment concentration structure within submarine turbidity currents.

Influence of light and temperature cycles on the expression of circadian clock genes in the mussel Mytilus edulis (2020)
Journal Article
Chapman, E., Bonsor, B., Parsons, D. R., & Rotchell, J. (2020). Influence of light and temperature cycles on the expression of circadian clock genes in the mussel Mytilus edulis. Marine environmental research, 159, https://doi.org/10.1016/j.marenvres.2020.104960

Clock genes and environmental cues regulate essential biological rhythms. The blue mussel, Mytilus edulis, is an ecologically and economically important intertidal bivalve undergoing seasonal reproductive rhythms. We previously identified seasonal... Read More about Influence of light and temperature cycles on the expression of circadian clock genes in the mussel Mytilus edulis.

Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape (2020)
Journal Article
Cisneros, J., Best, J., van Dijk, T., Almeida, R. P. D., Amsler, M., Boldt, J., …Zhang, Y. (2020). Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape. Nature Geoscience, 13(2), 156-162. https://doi.org/10.1038/s41561-019-0511-7

Dunes are present in all the worlds’ big rivers and form critical agents of bedload transport, constitute appreciable sources of bed roughness and flow resistance, and generate stratification that is the most common depositional element of ancient al... Read More about Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape.

River bank instability from unsustainable sand mining in the lower Mekong River (2020)
Journal Article
Houseago, R. C., Nicholas, A. P., Best, J. L., Darby, S. E., Hackney, C. R., Darby, S., …Houseago, R. (2020). River bank instability from unsustainable sand mining in the lower Mekong River. Nature Sustainability, 3(3), 217-225. https://doi.org/10.1038/s41893-019-0455-3

Recent growth of the construction industry has fuelled demand for sand, with considerable volumes being extracted from the world’s large rivers. Sediment transport from upstream naturally replenishes sediment stored in river beds, but the absence of... Read More about River bank instability from unsustainable sand mining in the lower Mekong River.

What determines the downstream evolution of turbidity currents? (2019)
Journal Article
Heerema, C. J., Talling, P. J., Cartigny, M. J., Paull, C. K., Bailey, L., Simmons, S. M., …Pope, E. (2020). What determines the downstream evolution of turbidity currents?. Earth and planetary science letters, 532, https://doi.org/10.1016/j.epsl.2019.116023

© 2019 Seabed sediment flows called turbidity currents form some of the largest sediment accumulations, deepest canyons and longest channel systems on Earth. Only rivers transport comparable sediment volumes over such large areas; but there are far f... Read More about What determines the downstream evolution of turbidity currents?.

Direct monitoring reveals initiation of turbidity currents from extremely dilute river plumes (2019)
Journal Article
Hage, S., Cartigny, M. J. B., Sumner, E. J., Clare, M. A., Hughes Clarke, J., Talling, P. J., …Watts, C. (2019). Direct monitoring reveals initiation of turbidity currents from extremely dilute river plumes. Geophysical research letters, 46(20), 11310-11320. https://doi.org/10.1029/2019gl084526

©2019. The Authors. Rivers (on land) and turbidity currents (in the ocean) are the most important sediment transport processes on Earth. Yet how rivers generate turbidity currents as they enter the coastal ocean remains poorly understood. The current... Read More about Direct monitoring reveals initiation of turbidity currents from extremely dilute river plumes.

Linking direct measurements of turbidity currents to submarine canyon-floor deposits (2019)
Journal Article
Maier, K. L., Gales, J. A., Paull, C. K., Rosenberger, K., Talling, P. J., Simmons, S. M., …Sumner, E. J. (2019). Linking direct measurements of turbidity currents to submarine canyon-floor deposits. Frontiers in Earth Science, 7, https://doi.org/10.3389/feart.2019.00144

Submarine canyons are conduits for episodic and powerful sediment density flows (commonly called turbidity currents) that move globally significant amounts of terrestrial sediment and organic carbon into the deep sea, forming some of the largest sedi... Read More about Linking direct measurements of turbidity currents to submarine canyon-floor deposits.