James Leonard Best

1969 …2019
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Research Output 1969 2019

2019

Anthropogenic stresses on the world’s big rivers

Best, J. L., Jan 1 2019, In : Nature Geoscience. 12, 1, p. 7-21 15 p.

Research output: Contribution to journalReview article

river
hydrological change
civilization
finance
floodplain

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

Secondary flow structure associated with interacting 3D bedforms

Bristow, N., Blois, G., Best, J. & Christensen, K., Jan 1 2019.

Research output: Contribution to conferencePaper

barchan
secondary flow
Secondary flow
flow structure
bedform

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

Time is running out for sand

Bendixen, M., Best, J., Hackney, C. & Iversen, L. L., Jul 2 2019, In : Nature. 571, 7763, p. 29-31

Research output: Contribution to journalComment/debate

‘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., Nov 20 2019, In : Journal of Maps. 15, 3, p. 19-30 12 p.

Research output: Contribution to journalArticle

artist
glacier
visual artist
art
lake
2018
Precambrian
sandstone
carbon sequestration
depositional environment
outcrop
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., 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 adaptation of dunes to changes in river flow

Reesink, A. J. H., Parsons, D. R., Ashworth, P. J., Best, J. L., Hardy, R. J., Murphy, B. J., McLelland, S. J. & Unsworth, C., Oct 2018, In : Earth-Science Reviews. 185, p. 1065-1087 23 p.

Research output: Contribution to journalReview article

river flow
dune
sediment
flow velocity
kinematics

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 planform mobility of river channel confluences: Insights from analysis of remotely sensed imagery

Dixon, S. J., Sambrook Smith, G. H., Best, J. L., Nicholas, A. P., Bull, J. M., Vardy, M. E., Sarker, M. H. & Goodbred, S., Jan 2018, In : Earth-Science Reviews. 176, p. 1-18 18 p.

Research output: Contribution to journalReview article

confluence
river channel
imagery
scour
analysis

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
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

Experimental study of turbulent structure over permeable walls with a refractive-index-matching technique

Kim, T., Blois, G., Best, J. L. & Christensen, K. T., 2017, 10th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2017. International Symposium on Turbulence and Shear Flow Phenomena, TSFP10, Vol. 1.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

refractive index
Refractive index
experimental study
Flow interactions
Velocity measurement

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

Refractive index matched PIV measurements of flow around interacting barchan dunes

Bristow, N., Blois, G., Best, J. L. & Christensen, K., Jan 1 2017, 10th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2017. International Symposium on Turbulence and Shear Flow Phenomena, TSFP10, (10th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2017; vol. 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

barchan
refractive index
dune
Refractive index
Sediment transport

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

Assessing the use of UAV to quantify flow processes in rivers

Blois, G., Best, J. L., Christensen, K. T., Cichella, V., Donahue, A., Hovakimyan, N., Kennedy, A. & Pakrasi, I., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 601-607 7 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Unmanned aerial vehicles (UAV)
Rivers
surface water
two-dimensional flow
Water

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

Bed morphology and sedimentology at chute cutoffs: A case study of Mackey Bend, lower Wabash River, IL-IN

LeRoy, J. Z., Rhoads, B. L. & Best, J. L., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 1736-1742 7 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sedimentology
sedimentology
Sediments
Rivers
oxbow lake

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

Ecologic implications at a large junction of highly unequal discharges and sediment loads

Amsler, M. L., Blettler, M. C. M., Ezcurra De Drago, I. & Best, J. L., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 1709-1716 8 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Sediments
Rivers
river
sediment
confluence

Experimental study of a coarse-gravel river bed: Elucidating the nearwall and pore-space turbulent flow physics

Kim, T., Blois, G., Best, J. L. & Christensen, K. T., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 950-955 6 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Gravel
river bed
pore space
turbulent flow
Turbulent 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

Hydrodynamic interactions between biofilms and flow

Kazemifar, F., Blois, G., Aybar, M., Calleja, P. P., Nerenberg, R., Sinha, S., Hardy, R. J., Best, J. L., Sambrook Smith, G. H. & Christensen, K. T., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. CRC Press/Balkema, p. 2135-2139 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Biofilms
biofilm
Hydrodynamics
hydrodynamics
Bioremediation

Measurements of flow dynamics associated with interacting, subaqueous barchans: Exploring bedform asymmetry and threedimensionality in a novel flume environment

Bristow, N., Blois, G., Tang, Z., Barros, J. M., Best, J. & Christensen, K. T., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 443-449 7 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

barchan
bedform
dune
asymmetry
Velocity measurement

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

Predicting bedforms and primary current stratification in cohesive mixtures of mud and sand

Baas, J. H., Best, J. L. & Peakall, J., Jan 1 2016, In : Journal of the Geological Society. 173, 1, p. 12-45 34 p.

Research output: Contribution to journalReview article

bedform
mud
stratification
sand
sediment

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

Using bedform migration and orientation to infer sediment transport pathways in a sandy braided river

Unsworth, C. A., Nicholas, A. P., Ashworth, P. J., Simpson, C. J., Best, J. L., Lane, S. N., Parsons, D. R. & Sambrook Smith, G. H., Jan 1 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Hanes, D., Garcia, M. & Constantinescu, G. (eds.). CRC Press/Balkema, p. 1138-1146 9 p. (River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

braided river
Sediment transport
bedform
sediment transport
Rivers