James Leonard Best

1969 …2019
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Research Output 1969 2019

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2019

Early burial mud diapirism and its impact on stratigraphic architecture in the Carboniferous of the Shannon Basin, County Clare, Ireland

Blanchard, S., Matheson, E. J., Fielding, C. R., Best, J. L., Bryk, A. B., Howell, K. J., Monson, C. C., Mahoney, G. & Peakall, J., Jan 2019, In : Sedimentology. 66, 1, p. 329-361 33 p.

Research output: Contribution to journalArticle

diapirism
diapir
mud
basin
sediment

Observations and scaling of tidal mass transport across the lower Ganges-Brahmaputra delta plain: Implications for delta management and sustainability

Hale, R., Bain, R., Goodbred, S. & Best, J., Mar 12 2019, In : Earth Surface Dynamics. 7, 1, p. 231-245 15 p.

Research output: Contribution to journalArticle

Open Access
mass transport
plains
sediments
sustainability
scaling

PIV measurements of turbulent flow overlying large, cubic- and hexagonally-packed hemisphere arrays

Kim, T., Blois, G., Best, J. L. & Christensen, K. T., Jan 1 2019, In : Journal of Hydraulic Research.

Research output: Contribution to journalArticle

turbulent flow
Turbulent flow
roughness
Surface roughness
refractive index

Quantification of bedform dynamics and bedload sediment flux in sandy braided rivers from airborne and satellite imagery

Strick, R. J. P., Ashworth, P. J., Sambrook Smith, G. H., Nicholas, A. P., Best, J. L., Lane, S. N., Parsons, D. R., Simpson, C. J., Unsworth, C. A. & Dale, J., Mar 30 2019, In : Earth Surface Processes and Landforms. 44, 4, p. 953-972 20 p.

Research output: Contribution to journalArticle

airborne sensing
braided river
bedform
bedload
quantification

River temperature and the thermal-dynamic transport of sediment

Syvitski, J., Cohen, S., Miara, A. & Best, J. L., Jul 2019, In : Global and Planetary Change. 178, p. 168-183 16 p.

Research output: Contribution to journalArticle

sediment transport
river
sediment
temperature
fluid

Sedimentologic and palaeoenvironmental evolution of the Mamfe Cretaceous Basin (SW Cameroon): Evidence from lithofacies analysis, tectonics and evaporite minerals suite

Eyong, J. T., Gabriel, N., Moïse, B., Hell, V. J., Eric, B. E., Wignall, P. & Best, J. L., Jan 2019, In : Journal of African Earth Sciences. 149, p. 19-41 23 p.

Research output: Contribution to journalArticle

lithofacies
evaporite
sandstone
Cretaceous
tectonics

Small- and large- scale soft-sediment deformations in a Triassic lacustrine delta caused by overloading and seismicity in the Ordos Basin, central China

Gao, Y., Jiang, Z., Best, J. L., Liu, S. & Zhang, J., May 2019, In : Marine and Petroleum Geology. 103, p. 126-149 24 p.

Research output: Contribution to journalArticle

seismicity
China
sediments
Triassic
basin

Spatial Scales of Turbulent Flow Structures Associated With Interacting Barchan Dunes

Bristow, N. R., Blois, G., Best, J. L. & Christensen, K. T., May 2019, In : Journal of Geophysical Research: Earth Surface. 124, 5, p. 1175-1200 26 p.

Research output: Contribution to journalArticle

barchan
dunes
turbulent flow
flow structure
Flow structure

The sedimentology of river confluences

Sambrook Smith, G. H., Nicholas, A. P., Best, J. L., Bull, J. M., Dixon, S. J., Goodbred, S., Sarker, M. H. & Vardy, M. E., Feb 2019, In : Sedimentology. 66, 2, p. 391-407 17 p.

Research output: Contribution to journalArticle

Open Access
confluence
scour
sedimentology
river
morphodynamics
2018
turbulent flow
Topography
Turbulent flow
Momentum
permeability

Hydrodynamic modelling of tidal-fluvial flows in a large river estuary

Sandbach, S. D., Nicholas, A. P., Ashworth, P. J., Best, J. L., Keevil, C. E., Parsons, D. R., Prokocki, E. W. & Simpson, C. J., Nov 15 2018, In : Estuarine, Coastal and Shelf Science. 212, p. 176-188 13 p.

Research output: Contribution to journalArticle

hydrodynamics
estuaries
estuary
sediment transport
rivers

Linking the local vertical variability of permeability and porosity to newly-interpreted lithofacies in the lower Mt. Simon CO2 reservoir

Ritzi, R. W., Ghose, R., Bottomley, M., Reesink, A. J. H., Best, J. L., Freiburg, J. T. & Webb, N. D., Jan 2018, In : International Journal of Greenhouse Gas Control. 68, p. 26-41 16 p.

Research output: Contribution to journalArticle

sedimentary structure
lithofacies
bleaching
Bleaching
Porosity

On the Causes of Pulsing in Continuous Turbidity Currents

Kostaschuk, R., Nasr-Azadani, M. M., Meiburg, E., Wei, T., Chen, Z., Negretti, M. E., Best, J. L., Peakall, J. & Parsons, D. R., Nov 2018, In : Journal of Geophysical Research: Earth Surface. 123, 11, p. 2827-2843 17 p.

Research output: Contribution to journalArticle

turbidity
turbidity current
Turbidity
Kelvin-Helmholtz instability
Taylor instability

The Impact of Nonequilibrium Flow on the Structure of Turbulence Over River Dunes

Unsworth, C. A., Parsons, D. R., Hardy, R. J., Reesink, A. J. H., Best, J. L., Ashworth, P. J. & Keevil, G. M., Sep 2018, In : Water Resources Research. 54, 9, p. 6566-6584 19 p.

Research output: Contribution to journalArticle

dune
turbulence
river
turbulent flow
flow field

The influence of flow discharge variations on the morphodynamics of a diffluence–confluence unit on a large river

Hackney, C. R., Darby, S. E., Parsons, D. R., Leyland, J., Aalto, R., Nicholas, A. P. & Best, J. L., Feb 1 2018, In : Earth Surface Processes and Landforms. 43, 2, p. 349-362 14 p.

Research output: Contribution to journalArticle

morphodynamics
bifurcation
river
water
limb

The influence of tributary flow density differences on the hydrodynamic behavior of a confluent meander bend and implications for flow mixing

Herrero, H. S., Díaz Lozada, J. M., García, C. M., Szupiany, R. N., Best, J. L. & Pagot, M., Mar 1 2018, In : Geomorphology. 304, p. 99-112 14 p.

Research output: Contribution to journalArticle

meander
density current
tributary
hydrodynamics
confluence

The significance of superimposed dunes in the Amazon River: Implications for how large rivers are identified in the rock record

Galeazzi, C. P., Almeida, R. P., Mazoca, C. E. M., Best, J. L., Freitas, B. T., Ianniruberto, M., Cisneros, J. & Tamura, L. N., Dec 2018, In : Sedimentology. 65, 7, p. 2388-2403 16 p.

Research output: Contribution to journalArticle

dune
river
rock
bedform
river channel

Turbulence Links Momentum and Solute Exchange in Coarse-Grained Streambeds

Roche, K. R., Blois, G., Best, J. L., Christensen, K. T., Aubeneau, A. F. & Packman, A. I., May 2018, In : Water Resources Research. 54, 5, p. 3225-3242 18 p.

Research output: Contribution to journalArticle

sediment-water interface
solute
momentum
solute transport
turbulence

Turbulent Flow Structure Associated With Collision Between Laterally Offset, Fixed-Bed Barchan Dunes

Bristow, N. R., Blois, G., Best, J. L. & Christensen, K. T., Jan 1 2018, (Accepted/In press) In : Journal of Geophysical Research: Earth Surface.

Research output: Contribution to journalArticle

barchan
dunes
turbulent flow
flow structure
Flow structure

‘Boundary’: mapping and visualizing climatically changed landscapes at Kaskawulsh Glacier and Kluane Lake, Yukon

Shugar, D. H., Colorado, K. A., Clague, J. J., Willis, M. J. & Best, J. L., May 22 2018, (Accepted/In press) In : Journal of Maps. p. 1-12 12 p.

Research output: Contribution to journalArticle

artist
glacier
visual artist
art
lake
2017

An evaluation of the use of a multibeam echo-sounder for observations of suspended sediment

Simmons, S. M., Parsons, D. R., Best, J. L., Oberg, K. A., Czuba, J. A. & Keevil, G. M., Nov 2017, In : Applied Acoustics. 126, p. 81-90 10 p.

Research output: Contribution to journalArticle

sounding
echoes
sediments
acoustics
evaluation

A numerical investigation into the importance of bed permeability on determining flow structures over river dunes

Sinha, S., Hardy, R. J., Blois, G., Best, J. L. & Sambrook Smith, G. H., Apr 1 2017, In : Water Resources Research. 53, 4, p. 3067-3086 20 p.

Research output: Contribution to journalArticle

flow structure
dune
permeability
river
bedform

Extreme flood-driven fluvial bank erosion and sediment loads: direct process measurements using integrated Mobile Laser Scanning (MLS) and hydro-acoustic techniques

Leyland, J., Hackney, C. R., Darby, S. E., Parsons, D. R., Best, J. L., Nicholas, A. P., Aalto, R. & Lague, D., Feb 1 2017, In : Earth Surface Processes and Landforms. 42, 2, p. 334-346 13 p.

Research output: Contribution to journalArticle

acoustic method
bank erosion
suspended sediment
acoustics
erosion
meander
roughness
floodplain
bank
vegetation

River piracy and drainage basin reorganization led by climate-driven glacier retreat

Shugar, D. H., Clague, J. J., Best, J. L., Schoof, C., Willis, M. J., Copland, L. & Roe, G. H., May 1 2017, In : Nature Geoscience. 10, 5, p. 370-375 6 p.

Research output: Contribution to journalArticle

piracy
glacier retreat
drainage basin
glacier
climate

The bubble bursts for cavitation in natural rivers: laboratory experiments reveal minor role in bedrock erosion

Carling, P. A., Perillo, M., Best, J. L. & Garcia, M. H., Jul 2017, In : Earth Surface Processes and Landforms. 42, 9, p. 1308-1316 9 p.

Research output: Contribution to journalArticle

cavitation
laboratory experiment
erosion
bubble
bedrock
2016

Bedform genesis in bedrock substrates: Insights into formative processes from a new experimental approach and the importance of suspension-dominated abrasion

Yin, D., Peakall, J., Parsons, D., Chen, Z., Averill, H. M., Wignall, P. & Best, J., Feb 15 2016, In : Geomorphology. 255, p. 26-38 13 p.

Research output: Contribution to journalArticle

bedform
abrasion
bedrock
substrate
suspended sediment

Comparing the transitional behaviour of kaolinite and bentonite suspension flows

Baas, J. H., Best, J. L. & Peakall, J., Oct 1 2016, In : Earth Surface Processes and Landforms. 41, 13, p. 1911-1921 11 p.

Research output: Contribution to journalArticle

bentonite
kaolinite
clay
clay mineral
laminar flow

Fluvial sediment supply to a mega-delta reduced by shifting tropical-cyclone activity

Darby, S. E., Hackney, C. R., Leyland, J., Kummu, M., Lauri, H., Parsons, D. R., Best, J. L., Nicholas, A. P. & Aalto, R., Nov 10 2016, In : Nature. 539, 7628, p. 276-279 4 p.

Research output: Contribution to journalArticle

Cyclonic Storms
Meteorology
Rivers
Oceans and Seas

On the evolution and form of coherent flow structures over a gravel bed: Insights from whole flow field visualization and measurement

Hardy, R. J., Best, J. L., Parsons, D. R. & Marjoribanks, T. I., Aug 1 2016, In : Journal of Geophysical Research: Earth Surface. 121, 8, p. 1472-1493 22 p.

Research output: Contribution to journalArticle

gravels
flow structure
Gravel
Flow structure
gravel

Spatial variability in bank resistance to erosion on a large meandering, mixed bedrock-alluvial river

Konsoer, K. M., Rhoads, B. L., Langendoen, E. J., Best, J. L., Ursic, M. E., Abad, J. D. & Garcia, M. H., Jan 1 2016, In : Geomorphology. 252, p. 80-97 18 p.

Research output: Contribution to journalArticle

bedrock
erosion
erodibility
river
floodplain

The alluvial architecture of a suspended sediment dominated meandering river: The Río Bermejo, Argentina

Smith, G. H. S., Best, J. L., Leroy, J. Z. & Orfeo, O., Aug 2016, In : Sedimentology. 63, 5, p. 1187-1208 22 p.

Research output: Contribution to journalArticle

suspended sediment
river
accretion
silt
bank erosion

The role of discharge variability in determining alluvial stratigraphy

Nicholas, A. P., Sambrook Smith, G. H., Amsler, M. L., Ashworth, P. J., Best, J. L., Hardy, R. J., Lane, S. N., Orfeo, O., Parsonsm, D. R., Reesink, A. J. H., Sandbach, S. D., Simpson, C. J. & Szupiany, R. N., Jan 1 2016, In : Geology. 44, 1, p. 3-6 4 p.

Research output: Contribution to journalArticle

stratigraphy
river
paleocurrent
morphodynamics
ground penetrating radar

Three-dimensional flow structure and bed morphology in large elongate meander loops with different outer bank roughness characteristics

Konsoer, K. M., Rhoads, B. L., Best, J. L., Langendoen, E. J., Abad, J. D., Parsons, D. R. & Garcia, M. H., Dec 1 2016, In : Water Resources Research. 52, 12, p. 9621-9641 21 p.

Research output: Contribution to journalArticle

three-dimensional flow
flow structure
meander
roughness
curvature
2015

Fluvio-deltaic avulsions during relative sea-level fall

Nijhuis, A. G., Edmonds, D. A., Caldwell, R. L., Cederberg, J. A., Slingerland, R. L., Best, J. L., Parsons, D. R. & Robinson, R. A. J., Jan 1 2015, In : Geology. 43, 8, p. 719-722 4 p.

Research output: Contribution to journalArticle

avulsion
sea level
river
postglacial rebound
luminescence dating

Modulation of outer bank erosion by slump blocks: Disentangling the protective and destructive role of failed material on the three-dimensional flow structure

Hackney, C., Best, J. L., Leyland, J., Darby, S. E., Parsons, D., Aalto, R. & Nicholas, A., Dec 28 2015, In : Geophysical Research Letters. 42, 24, p. 10663-10670 8 p.

Research output: Contribution to journalArticle

bank erosion
three dimensional flow
three-dimensional flow
flow structure
flow field

The impact of significant input of fine sediment on benthic fauna at tributary junctions: A case study of the Bermejo-Paraguay River confluence, Argentina

Blettler, M. C. M., Amsler, M. L., Ezcurra de Drago, I., Espinola, L. A., Eberle, E., Paira, A., Best, J. L., Parsons, D. R. & Drago, E. E., Mar 1 2015, In : Ecohydrology. 8, 2, p. 340-352 13 p.

Research output: Contribution to journalArticle

confluence
tributary
Argentina
fauna
case studies
2014

A new phase diagram for combined-flow bedforms

Perillo, M. M., Best, J. L. & Garcia, M. H., Apr 2014, In : Journal of Sedimentary Research. 84, 4, p. 301-313 13 p.

Research output: Contribution to journalArticle

bedform
ripple
diagram
dune
nomenclature

A unified model for bedform development and equilibrium under unidirectional, oscillatory and combined-flows

Perillo, M. M., Best, J. L., Yokokawa, M., Sekiguchi, T., Takagawa, T. & Garcia, M. H., Dec 1 2014, In : Sedimentology. 61, 7, p. 2063-2085 23 p.

Research output: Contribution to journalArticle

bedform
ripple
sediment transport
three-dimensional flow
sedimentary structure

Bed form genesis from bed defects under unidirectional, oscillatory, and combined flows

Perillo, M. M., Prokocki, E. W., Best, J. L. & Garcia, M. H., Dec 2014, In : Journal of Geophysical Research: Earth Surface. 119, 12, p. 2635-2652 18 p.

Research output: Contribution to journalArticle

bedform
defect
beds
Defects
defects

Effect of bed permeability and hyporheic flow on turbulent flow over bed forms

Blois, G., Best, J. L., Sambrook Smith, G. H. & Hardy, R. J., Sep 28 2014, In : Geophysical Research Letters. 41, 18, p. 6435-6442 8 p.

Research output: Contribution to journalArticle

bedform
turbulent flow
beds
permeability
momentum

Scales and causes of heterogeneity in bars in a large multi-channel river: Río Paraná, Argentina

Reesink, A. J. H., Ashworth, P. J., Sambrook Smith, G. H., Best, J. L., Parsons, D. R., Amsler, M. L., Hardy, R. J., Lane, S. N., Nicholas, A. P., Orfeo, O., Sandbach, S. D., Simpson, C. J. & Szupiany, R. N., Jun 2014, In : Sedimentology. 61, 4, p. 1055-1085 31 p.

Research output: Contribution to journalArticle

river channel
river
ripple
fine grained sediment
confluence
2013
flume experiment
riffle
recovery
beds
perturbation

Decimeter-scale in situ mapping of modern cross-bedded dune deposits using parametric echo sounding: A new method for linking river processes and their deposits

Sambrook Smith, G. H., Best, J. L., Orfeo, O., Vardy, M. E. & Zinger, J. A., Aug 16 2013, In : Geophysical Research Letters. 40, 15, p. 3883-3887 5 p.

Research output: Contribution to journalArticle

echo sounding
dunes
rivers
dune
echoes

Deposits of the sandy braided South Saskatchewan river: Implications for the use of modern analogs in reconstructing channel dimensions in reservoir characterization

Lunt, I. A., Sambrook Smith, G. H., Best, J. L., Ashworth, P. J., Lane, S. N. & Simpson, C. J., Apr 1 2013, In : AAPG Bulletin. 97, 4, p. 553-576 24 p.

Research output: Contribution to journalArticle

reservoir characterization
Deposits
Rivers
dune
bedform
Argentina
bedform
splines
dunes
wavelet analysis

Flow structure and channel morphodynamics of meander bend chute cutoffs: A case study of the Wabash River, USA

Zinger, J. A., Rhoads, B. L., Best, J. L. & Johnson, K. K., Dec 2013, In : Journal of Geophysical Research: Earth Surface. 118, 4, p. 2468-2487 20 p.

Research output: Contribution to journalArticle

chutes
meanders
morphodynamics
flow structure
meander

Large eddy simulation of interacting barchan dunes in a steady, unidirectional flow

Omidyeganeh, M., Piomelli, U., Christensen, K. T. & Best, J. L., Dec 2013, In : Journal of Geophysical Research: Earth Surface. 118, 4, p. 2089-2104 16 p.

Research output: Contribution to journalArticle

barchan
dunes
steady flow
large eddy simulation
Large eddy simulation

Monitoring the generation and evolution of the sediment plume behind towed fishing gears using a multibeam echosounder

O'Neill, F. G., Simmons, S. M., Parsons, D. R., Best, J. L., Copland, P. J., Armstrong, F., Breen, M. & Summerbell, K., Jul 1 2013, In : ICES Journal of Marine Science. 70, 4, p. 892-903 12 p.

Research output: Contribution to journalArticle

fishing gear
plume
sediments
monitoring
sediment

Paragenetic sequences of carbonate and sulphide minerals of the Mamfe Basin (Cameroon): Indicators of palaeo-fluids, palaeo-oxygen levels and diagenetic zones

Eyong, J. T., Wignall, P., Fantong, W. Y., Best, J. L. & Hell, J. V., Oct 1 2013, In : Journal of African Earth Sciences. 86, p. 25-44 20 p.

Research output: Contribution to journalArticle

pyrite
siderite
sulfide
carbonate
ankerite