Items where Author is "Spearman, J."

Article

Haeri, S., Berry, N., Spearman, J., Longo, D., Taylor, J. and Feates, N. (2025) Evaluating the role of draghead positioning in dredging performance using 3D CFD, mud sampling, and rheometry. Ocean Engineering, 339 (2).

Spearman, J. and Benson, T. (2023) Detailed modelling to evaluate the effectiveness of sediment recycling on coastal habitat. Frontiers in Earth Science, 11.

Spearman, J. and Benson, T. (2023) Evaluation of a nature-based agitation dredging solution. Terra et Aqua.

Spearman, J., Taylor, J., Crossouard, N., Cooper, A., Turnbull, M., Manning, A.J., Lee, M. and Murton, B. (2020) Measurement and modelling of deep sea sediment plumes and implications for deep sea mining. Scientific Reports, 10 (5075).

Ramiro-Sánchez, B., González-Irusta, J., Henry, L., Cleland, J., Yeo, I., Xavier, J., Carreiro-Silva, M., Sampaio, I., Spearman, J., Victorero, L., Messing, C., Kazanidis, G., Roberts, J. and Murton, B. (2019) Characterization and mapping of a deep-sea sponge ground on the Tropic Seamount (Northeast Tropical Atlantic): Implications for spatial management in the high seas. Frontiers in Marine Science.

Yeo, I., Howarth, S., Spearman, J., Cooper, A., Crossouard, N., Taylor, J., Turnbull, M. and Murton, B. (2019) Distribution of and hydrographic controls on ferromanganese crusts: Tropic Seamount, Atlantic. Ore Geology Reviews, 114.

Spearman, J. and Manning, A.J. (2017) On the hindered settling of sand-mud suspensions. Ocean Dynamics, 67 (3-4). pp. 465-483.

Spearman, J. (2017) An examination of the rheology of flocculated clay suspensions. Ocean Dynamics, 67 (3-4). pp. 485-497.

Spearman, J. (2015) A review of the physical impacts of sediment dispersion from aggregate dredging. Marine Pollution Bulletin, 94 (1-2). pp. 260-277.

Spearman, J. (2014) Prediction of the overflow of sediment from trailer dredgers. Proceedings of the Institution of Civil Engineers - Maritime Engineering, 167 (2). pp. 82-96.

Spearman, J., Baugh, J., Dearnaley, M.P., Feates, N. and Eccles, D. (2014) Small Estuary, Big Port - Progress in the management of the Stour-Orwell Estuary system. Estuarine, Coastal and Shelf Science, 150. pp. 299-311.

Baugh, J., Feates, N., Littlewood, M. and Spearman, J. (2013) The fine sediment regime of The Thames Estuary - A clearer understanding. Ocean and Coastal Management, 79. pp. 10-19.

Soulsby, R.L., Manning, A.J., Spearman, J. and Whitehouse, R.J.S. (2013) Settling velocity and mass settling flux of flocculated estuarine sediments. Marine Geology, 339. pp. 1-12.

Spearman, J., de Heer, A., Aarninkhof, S. and Van Koningsveld, M. (2011) Validation of The TASS System For Predicting The Environmental Effects Of Trailing Suction Hopper DR. Terra et Aqua, 125.

Manning, A.J., Baugh, J., Spearman, J., Pidduck, E. and Whitehouse, R.J.S. (2011) The settling dynamics of flocculating mud-sand mixtures: Part 1 — Empirical algorithm development. Ocean Dynamics, 61 (2-3). pp. 311-350.

Spearman, J., Manning, A.J. and Whitehouse, R.J.S. (2011) The settling dynamics of flocculating mud-sand mixtures: Part 2 - Numerical modelling. Ocean Dynamics, 61 (2-3). pp. 237-253.

Spearman, J. (2010) The development of a tool for examining the morphological evolution of managed realignment sites. Continental Shelf Research, 31 (10). pp. S199-S210.

Knaapen, M., Townend, I., Rossington, K., Fletcher, C.A. and Spearman, J. (2009) Modelling the dynamics of intertidal mudflat and salt marshes within estuaries. The Environmentalist (84). pp. 12-15.

Rossington, K., Whitehouse, R.J.S. and Spearman, J. (2009) Morphological modelling of intertidal profiles in estuaries with strong tidal currents. Rivers, Coastal and Estuarine Morphodynamics. pp. 941-946.

Rossington, K. and Spearman, J. (2009) Past and future evolution in the Thames Estuary. Ocean Dynamics, 59.

Book Section

Spearman, J. and Lee, M. (2018) Chapter 7: Models and tools. In: Dredging for sustainable infrastructure. CEDA/IADC, The Netherlands, pp. 179-213. ISBN 978-90-9031318-4

Manning, A.J., Baugh, J., Spearman, J. and Whitehouse, R.J.S. (2011) Cohesive sediment flocculation and the application to settling flux modelling. In: Sediment transport. Intech, Vienna, Austria. ISBN 978-953-307-566-2

Monograph

Spearman, J. (2004) EstProc - Note on the use of algorithms for modelling mud transport on tidal flats. Technical Report. HR Wallingford, Wallingford.

Spearman, J., Baugh, J. and McCoy, M. (2004) Use of sub-grid approaches in the modelling of estuaries with salt marsh systems. Technical Report. HR Wallingford, Wallingford.

Dearnaley, M.P., Stevenson, J. and Spearman, J. (1999) Environmental aspects of aggregate dredging - refined source terms for plume dispersion studies. Technical Report. HR Wallingford.

Dearnaley, M.P., Roberts, W., Spearman, J. and Cooper, A. (1997) Development of a unified approach for assessing sedimentation in harbours. Technical Report. HR Wallingford, DOE.

Dearnaley, M.P., Spearman, J. and Feates, N. (1995) Intercomparison of in-situ particle size and settling velocity measurements. Technical Report. HR Wallingford.

Conference or Workshop Item

Boscia, D., Benson, T., Knaapen, M. and Spearman, J. (2023) A new semi-unsteady sand transport formula in GAIA. In: TELEMAC-MASCARET User Conference 2023, 12-13 October 2023, Karlsruhe, Germany.

Spearman, J. and Manning, A.J. (2023) Do cohesive sediment flocs contain sand particles and does it matter? In: INTERCOH 2023 (17th International Conference on Cohesive Sediment Transport Processes), 18-22 September 2023, Incheon, Republic of Korea.

Spearman, J. and Benson, T. (2022) Evolution of nature-based dredging solutions at Harwich, UK. In: WODCON XXIII, 16-20 May 2022, Copenhagen, Denmark.

Spearman, J. and Lee, M. (2019) Successful use of modelling for sustainable dredging projects. In: WODCON XXII, 22-26 April 2019, Shanghai, China.

Spearman, J., Taylor, J., Crossouard, N., Cooper, A., Turnbull, M., Manning, A.J. and Lee, M. (2019) The measurement and modelling of plumes resulting from deep sea mining of Fe-Mn crusts. In: WODCON XXII, 22-26 April 2019, Shanghai, China.

Spearman, J., Cooper, A., Turnbull, M., Taylor, J., Crossouard, N., Manning, A.J. and Murton, B. (2017) Thrown in at the deep end: modelling sediment plumes 1000 m under water. In: UMC 2017, 24-29 September, 2017, Berlin, Germany.

Cooper, A. and Spearman, J. (2017) Validation of a TELEMAC-3D model of a seamount. In: TELEMAC-MASCARET User Conference 2017, 17-20 October 2017, Graz, Austria.

Spearman, J., Lee, M., Matthewson, T. and Newell, R. (2016) Insights and future research into the impacts of deep sea mining. In: WODCON XXI, 13-17 June 2016, Miami, US.

Chen, Q., Kelly, D.M., Spearman, J., Dimakopoulos, A., Zang, J. and Williams, C. (2015) CFD Modelling of fall pipe rock dumping using PICIN. In: Coastal Sediments 2015, 11-15 May 2015, San Diego, California, USA.

Spearman, J. (2015) Issues for the assessment of sediment plumes arising from deep sea mining operations. In: Underwater Mining Conference 2015, 1-6 November 2015, Tampa Bay, Florida, USA.

Spearman, J. and Baugh, J. (2015) Sediment recycling to mitigate the effects of harbour deepening on habitat and what happened over the following 15 years. In: CEDA Dredging days 2015, 5-6 November 2015, Rotterdam, the Netherlands.

Jones, D., Matthewson, T. and Spearman, J. (2014) Environmental Impacts of Deep Sea Mining: Predictive Assessment Methods. In: UMI 2014 - Harvesting Seabed Minerals Resources in Harmony with Nature, 21–28 September 2014, Lisbon, Portugal.

Spearman, J. and Matthewson, T. (2013) Sediment plumes resulting from deep sea mining. In: Deep Sea Mining Sumit 2013, 31 July-1 August 2013, London, UK.

Rossington, K., Spearman, J., Knaapen, M., Townend, I. and Richardson, S. (2010) The dynamics of intertidal mudflat and saltmarshes within estuaries. In: ICCE 2010 (32nd International Conference on Coastal Engineering), June 30 – July 5 2010, Shanghai, China.

Huthnance, J., Lane, A., Karunarathna, H., Manning, A.J., Reeve, D., Norton, P., Wright, A., Soulsby, R.L., Spearman, J., Townend, I. and Surendran, S. (2008) Development of estuary morphology models. In: FLOODrisk 2008, 30 September - 2 October 2008, Keble College, Oxford, UK.

Huthnance, J., Karunarathna, H., Lane, A., Manning, A.J., Norton, P., Reeve, D., Soulsby, R.L., Spearman, J., Surendran, S., Townend, I. and Wright, A. (2008) Development of estuary morphology models. In: 43rd Defra Flood and Coastal Management Conference, 1-3 July 2008, Manchester University.

Townend, I., Bing Wang, Z., Spearman, J. and Wright, A. (2008) Volume and surface area changes in estuaries and tidal inlets. In: ICCE 2008 (31st International Conference on Coastal Engineering), 31 Aug - 5 Sept 2008, Hamburg, Germany.

Spearman, J. (2007) Regime modelling of morphology. In: RCEM 2007 (5th IAHR Symposium on River, Coastal and Estuarine Morphodynamics), 17 - 21 September 2007, The Netherlands.

Spearman, J. (2007) The development of a tool for examining the morphological evolution of managed realignment sites. In: INTERCOH'07, 25-28 September 2007, Brest, France.

Siggers, G., Spearman, J., Littlewood, M. and Donovan, B. (2006) One hundred years of morphological change in the Thames Estuary. Impacts on tide levels and implications for flood risk management to 2100. In: 41st Defra Flood and Coastal Management Conference, 4 - 6 July 2006, York, UK.

Whitehouse, R.J.S., Cooper, N., Pethick, J., Spearman, J., Townend, I. and Fox, D. (2005) Dealing with geomorphological concepts and broad scale approaches for estuaries. In: Defra Flood and Coastal Management Conference 2005, 5 - 7 July 2005, York, UK.

Violeau, D., Bourban, S., Cheviet, C., Markofsky, M., Petersen, O., Roberts, W., Spearman, J., Toorman, E., Vested, H.J. and Weilbeer, H. (2002) Numerical simulation of cohesive sediment transport: intercomparison of several numerical models. In: Sediment and Ecohydraulics - INTERCOH 2005.