James Leonard Best

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Research Output

2020

An integrated process-based model of flutes and tool marks in deep-water environments: Implications for palaeohydraulics, the Bouma sequence and hybrid event beds

Peakall, J., Best, J., Baas, J. H., Hodgson, D. M., Clare, M. A., Talling, P. J., Dorrell, R. M. & Lee, D. R., Jun 1 2020, In : Sedimentology. 67, 4, p. 1601-1666 66 p.

Research output: Contribution to journalArticle

Open Access

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

Darby, S. E., Langdon, P. G., Best, J. L., Leyland, J., Hackney, C. R., Marti, M., Morgan, P. R., Ben, S., Aalto, R., Parsons, D. R., Nicholas, A. P. & Leng, M. J., May 15 2020, In : Quaternary Science Reviews. 236, 106265.

Research output: Contribution to journalArticle

Dunes in the world’s big rivers are characterized by low-angle lee-side slopes and a complex shape

Cisneros, J., Best, J., van Dijk, T., Almeida, R. P. D., Amsler, M., Boldt, J., Freitas, B., Galeazzi, C., Huizinga, R., Ianniruberto, M., Ma, H., Nittrouer, J. A., Oberg, K., Orfeo, O., Parsons, D., Szupiany, R., Wang, P. & Zhang, Y., Jan 20 2020, In : Nature Geoscience. 13, 2, p. 156-162 7 p.

Research output: Contribution to journalArticle

Experimental evidence of amplitude modulation in permeable-wall turbulence

Kim, T., Blois, G., Best, J. L. & Christensen, K. T., Mar 25 2020, In : Journal of Fluid Mechanics. 887, A3.

Research output: Contribution to journalArticle

Novel Environment Enables PIV Measurements of Turbulent Flow around and within Complex Topographies

Blois, G., Bristow, N. R., Kim, T., Best, J. L. & Christensen, K. T., May 1 2020, In : Journal of Hydraulic Engineering. 146, 5, 1733.

Research output: Contribution to journalArticle

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

Kim, T., Blois, G., Best, J. L. & Christensen, K. T., Feb 23 2020, In : Journal of Hydraulic Research. 58, 2, p. 363-383 21 p.

Research output: Contribution to journalArticle

River bank instability from unsustainable sand mining in the lower Mekong River

Hackney, C. R., Darby, S. E., Parsons, D. R., Leyland, J., Best, J. L., Aalto, R., Nicholas, A. P. & Houseago, R. C., Jan 13 2020, (Accepted/In press) In : Nature Sustainability.

Research output: Contribution to journalArticle

Secondary Flows and Vortex Structure Associated With Isolated and Interacting Barchan Dunes

Bristow, N. R., Blois, G., Best, J. L. & Christensen, K. T., Feb 1 2020, In : Journal of Geophysical Research: Earth Surface. 125, 2, e2019JF005257.

Research output: Contribution to journalArticle

The Pace of Human-Induced Change in Large Rivers: Stresses, Resilience, and Vulnerability to Extreme Events

Best, J. & Darby, S. E., Jun 1 2020, In : One Earth. 2, 6, p. 510-514

Research output: Contribution to journalComment/debate

2019

Anthropogenic stresses on the world’s big rivers

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

Research output: Contribution to journalReview article

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

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

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

River temperature and the thermal-dynamic transport of sediment

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

Research output: Contribution to journalArticle

Secondary flow structure associated with interacting 3D bedforms

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

Research output: Contribution to conferencePaper

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

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

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

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

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

2018

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

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., 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

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

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

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

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

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. & Pagot, M., Mar 1 2018, In : Geomorphology. 304, p. 99-112 14 p.

Research output: Contribution to journalArticle

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

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

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

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

Bristow, N. R., Blois, G., Best, J. L. & Christensen, K. T., Sep 2018, In : Journal of Geophysical Research: Earth Surface. 123, 9, p. 2157-2188 32 p.

Research output: Contribution to journalArticle

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

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

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

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

Refractive index matched PIV measurements of flow around interacting barchan dunes

Bristow, N., Blois, G., Best, J. & 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

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

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

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

Research output: Contribution to journalArticle

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. Constantinescu, G., Garcia, M. & Hanes, D. (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

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

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., 2016, River Flow - Proceedings of the International Conference on Fluvial Hydraulics, RIVER FLOW 2016. Constantinescu, G., Garcia, M. & Hanes, D. (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

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

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. Constantinescu, G., Garcia, M. & Hanes, D. (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

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

Kim, T., Blois, G., 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. 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

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