Publications

Link to Google Scholar Rippeth, T., S. Shen, B. Lincoln, B. Scannell, X. Meng, J. Hopkins & J. Sharples. The deepwater oxygen deficit in stratified shallow seas is mediated by diapycnal mixing. Nature Communications, 2024, doi: 10.1038/s41467-024- 47548-2. Mahaffey, C., T. Hull, W. Hunter, N. Greenwood, M. Palmer, J. Sharples, S. Wakelin, and C. Williams. Climate change impacts on dissolved oxygen concentration in marine and coastal waters around the UK and Ireland. MCCIP Science Review 2023, doi: 10.14465/2023.reu07.oxy Jardine, J. E., M. Palmer, C. Mahaffey, J. Holt, S. L. Wakelin, A Düsterhus, J. Sharples & J. Wihsgott, 2023. Rain triggers seasonal stratification in a temperate shelf sea. Nature Communications, 14, 3182, https://doi.org/10.1038/s41467-023-38599-y. Sharples, J., J. Holt, S. Wakelin & M. R. Palmer, 2022. Climate change impacts on stratification relevant to the UK and Ireland. MCCIP Science Review 2022, doi: 10.14465/2022.reu04.str. Dorrell, R. M., C. J. Lloyd, B. J. Lincoln, T. P. Rippeth, J. R. Taylor, C. P. Caulfield, J. Sharples, J. A. Polton, B. D. Scannell, D. M. Greaves, R. A. Hall & J. H. Simpson, 2022. Anthropogenic mixing in seasonally stratified shelf seas by offshore wind farm infrastructure. Frontiers in Marine Science, 9, doi.org/10.3389/fmars.2022.830927, Williams, C. A. J., C. E. Davis, M. R. Palmer, J. Sharples & C. Mahaffey, 2022. The three Rs: resolving respiration robotically in shelf seas. Geophysical Research Letters, 49, doi.org/10.1029/2021GL096921. Spingys, C. P., R. G. Williams, R. E. Tuerena, A. Naveira Garabato, C. Vic, A. Forryan & J. Sharples, 2021. Observations of nutrient supply by mesoscale eddy stirring and small-scale turbulence in the oligotrophic North Atlantic. Global Biogeochemical Cycles, 35, doi.org/10.1029/2021GB007200. Trevail, A. M., J. A. Green, M. Bolton, F. Daunt, S. M. Harris, P. I. Miller, S. Newton, E. Owen, J. A. Polton, G. Robertson, J. Sharples & S. C. Patrick, 2021. Environmental heterogeneity promotes individual specialisation in habitat selection in a widely distributed seabird. Journal of Animal Ecology, 90, 2875-2887, doi.org/10.1111/1365-2656.13588. Hopkins, J.E., M. R. Palmer, A. J. Poulton, A. E. Hickman & J. Sharples, 2021. Control of a phytoplankton bloom by wind-driven vertical mixing and light availability. Limnology & Oceanography, doi: 10.1002/lno.11734. Spingys, C.P., R. G. Williams, J. E. Hopkins, R. A. Hall, J. A. M. Green & J. Sharples, 2020. Internal tide driven tracer transport across the continental slope. J. Geophys. Res., doi.org/10.1029/2019JC015530. Mahaffey, C., M. Palmer, N. Greenwood & J. Sharples, 2020. Impacts of climate change on dissolved oxygen concentration relevant to the coastal and marine environment around the UK. MCCIP Science Review 2020, 31-53, doi: 10.14465/2020.arc02.oxy. Sharples, J., J. Holt & S. Wakelin, 2020. Impacts of climate change on shelf-sea stratification, relevant to the coastal and marine environment around the UK. MCCIP Science Review 2020, 103-115, doi: 10.14465/2020.arc05.str. Kitidis, V., et al., 2019. Winter weather controls net influx of atmospheric CO 2 on the north-west European shelf. Scientific Reports, 9, 20153, doi:10.1038/s41598-019-56363-5. Sharples, J., & J. Zeldis, 2019. Variability of internal tide energy, mixing and nitrate fluxes in response to changes in stratification on the northeast shelf of New Zealand. New Zealand Journal of Marine and Freshwater Research, DOI:10.1080/00288330.2019.1705357. Ruiz-Castillo, E., J. Sharples & J. E. Hopkins, 2019. Wind-driven strain extends seasonal stratification. Geophysical Research Letters, doi.org/10.1029/2019GL084540. Tuerena, R. E., R. G. Williams, C. Mahaffey, C. Vic, J. A. M. Green, A. Naveira- Garabato, A. Forryan, & J. Sharples, 2019. Internal tides drive nutrient fluxes into the deep chlorophyll maximum over mid-ocean ridges. Global Biogeochemical Cycles, DOI:10.1029/2019GB006214. Trevail, A. M., J. A. Green, J. Sharples, J. A. Polton, P. I. Miller, F. Daunt, E. Owen, M. Bolton, K. Colhoun, S. Newton, G. Robertson & S. C. Patrick, 2019. Environmental heterogeneity decreases reproductive success via effects on foraging behaviour. Proceedings of the Royal Society, B, 286, https://doi.org/10.1098/rspb.2019.0795. Sharples, J., D. J. Mayor, A. J. Poulton, A. P. Rees & C. Robinson, 2019. Shelf Sea Biogeochemistry: Nutrient and carbon cycling in a temperate shelf sea water column. Progress in Oceanography, https://doi.org/10.1016/j.pocean.2019.102182. Wihsgott, J. U., J. Sharples, J. E. Hopkins, E. M. S. Woodward, T. Hull, N. Greenwood & D. B. Sivyer, 2019. Observations of vertical mixing in autumn and its effect on the autumn phytoplankton bloom. Progress in Oceanography, https://doi.org/10.1016/j.pocean.2019.01.001. Trevail, A. M., J. A. Green, J. Sharples, J. A. Polton, J. P. Y. Arnould & S. C. Patrick, 2018. Environmental heterogeneity amplifies behavioural response to a temporal cycle. Oikos, https://doi.org/10.1111/oik.05579. Ruiz-Castillo, E., J. Sharples, J. Hopkins & M. Woodward, 2019. Seasonality in the cross-shelf physical structure of a temperate shelf sea and the implications for nitrate supply. Progress in Oceanography, doi.org/10.1016/j.pocean.2018.07.006 Vic, C., A. C. Naveira Garabato, J. A. M. Green, C. Spingys, A. Forryan, Z. Zhao & J. Sharples, 2018. The lifecycle of semidiurnal internal tides over the northern mid-Atlantic ridge. Journal of Physical Oceanography, DOI: 10.1175/JPO-D-17-0121.1. Jickells, T. D., E. Buitenhuis, K. Altieri, A. R. Baker, D. Capone, R. A. Duce, F. Dentener, K. Fennel, M. Kanakidou, J. LaRoche, K. Lee, P. Liss, J. J. Middelburg, J. K. Moore, G. Okin, A. Oschlies, M. Sarin, S. Seitzinger, J. Sharples, A. Singh, P. Suntharalingam, M. Uematsu & L. M. Zamora, 2017. A reevaluation of the magnitude and impacts of anthropogenic atmospheric nitrogen inputs on the ocean. Global Biogeochemical Cycles, 31, 289-305, https://doi.org/10.1002/2016GB005586. Sharples, J., J. J. Middelburg, K. Fennel & T. D. Jickells, 2017. What proportion of riverine nutrients reaches the open ocean? Global Biogeochemical Cycles, 31, 39-58, DOI: 10.1002/2016GB005483. Marsh, R., A. E. Hickman & J. Sharples, 2015. S2P3-R (v1.0): a framework for efficient regional modelling of physical and biological structures and processes in shelf seas. Geoscientific Model Development Discussions, 8(1), 673-713; doi:10.5194/gmdd-8-673-2015. Davis, C. E., C. Mahaffey, G. A. Wolff & J. Sharples, 2014. A storm in a shelf sea: variation in phosphorus distribution and organic matter stoichiometry. Geophysical Research Letters, DOI: 10.1002/2014GL061949 Rippeth, T. P., B. J. Lincoln, H. A. Kennedy, M. R. Palmer, J. Sharples, C. A. J. Williams, 2014. Impact of vertical mixing on sea surface pCO2 in temperate seasonally stratified shelf seas. Journal of Geophysical Research, DOI: 10.1002/2014JC010089. Williams, C., J. Sharples, C. Mahaffey & T. Rippeth, 2013. Wind-driven nutrient pulses to the subsurface chlorophyll maximum in seasonally stratified shelf seas. Geophys. Res. Lett., 40, 5467-5472, doi:10.1002/2013GL058171 Kenitz, K., R.G. Williams, J. Sharples, O. Selsol and V.N. Biktashev, 2013. The paradox of the plankton: species competition and nutrient feedback sustain phytoplankton diversity. Marine Ecology Progress Series, 490, 107-119. DOI: 10.3354/meps10452. Davidson, K., L. C. Gilpin, R. Pete, D. Brennan, S. McNeill, G. Moschonas, J. Sharples, 2013. Phytoplankton and bacterial distribution and productivity on and around Jones Bank in the Celtic Sea. Progress in Oceanography, 117, 48-63. Embling, C. B., J. Sharples, E. Armstrong, M. R. Palmer & B. E. Scott, 2013. Fish behaviour in response to tidal variability and internal waves over a shelf sea bank. Progress in Oceanography, 117, 106-117. Tweddle, J. F., J. Sharples, M. R. Palmer, K. Davidson & S. McNeill, 2013. Enhanced nutrient fluxes at the shelf sea seasonal thermocline caused by stratified flow over a bank. Progress in Oceanography, 117, 37-47. Palmer, M. R., M. E. Inall & J. Sharples, 2013. The physical oceanography of Jones Bank: a mixing hotspot in the Celtic Sea. Progress in Oceanography, 117, 9-24. Sharples, J., B. E. Scott & M. E. Inall, 2013. From physics to fishing over a shelf sea bank. Progress in Oceanography, 117, 1-8. Sharples, J., J. R. Ellis, G. Nolan & B. E. Scott, 2013. Fishing and the oceanography of a stratified shelf sea. Progress in Oceanography, 117, 130- 139 Scott, B. E., A, Webb, M. R. Palmer, C. B. Embling & J. Sharples, 2013. Fine scale bio-physical characteristics predict the foraging occurrence of contrasting seabird species; Gannet (Morus bassanus) & Storm Petrel (Hydrobates pelagicus). Progress in Oceanography, 117, 118-129. Palmer, M. R., J. A. Polton, M. E. Inall, T. P. Rippeth, J. A. M. Green, J. Sharples & J. H. Simpson, 2013. Variable behavior in pycnocline mixing over shelf seas. Geophys. Res. Lett. 40, doi:10.1029/2012GL054638. Hickman, A. E., C. M. Moore, J. Sharples, M. I. Lucas, G. H. Tilstone, V. Krivtsov & P. M. Holligan, 2012. Primary production and nitrate uptake within the thermocline of a stratified shelf sea. Marine Ecology Progress Series, 463, 39-67. Hopkins, J., J. Sharples & J. M. Huthnance, 2012. On-shelf transport of slope water lenses within the seasonal pycnocline. Geophysical Research Letters, 39, L08604, DOI: 10.1029/2012GL051388. Simpson, J. H., & J. Sharples, 2012. An Introduction to the Physical and Biological Oceanography of Shelf Seas. Cambridge University Press, pp424. Here Embling, C. B., J. Illian, E. Armstrong, J. van der Kooij, J. Sharples, K. C. J. Camphuysen & B. E. Scott, 2012. Investigating fine-scale spatio-temporal predator-prey patterns in dynamic marine ecosystems: a functional data approach. Journal of Applied Ecology, 49(2), 481-492. Panton, A., C. Mahaffey, N. Greenwood, J. Hopkins, D. Montagnes & J. Sharples, 2012. Short-term and seasonal variation in metabolic balance in Liverpool Bay. Ocean Dynamics, 62(2), 295-306. Inall, M. E., D. Aleynik, T. Boyd, M. Palmer, & J. Sharples, 2011. Internal tide coherence and decay over a wide shelf sea. Geophysical Research Letters, 38, L23607, DOI: 10.1029/2011GL049943. Badin, G., R. G. Williams and J. Sharples. 2010. Water-mass transformation in the shelf seas. Journal of Marine Research, 68(2), 189-214. Scott, B.E., J. Sharples, O. N. Ross, J. Wang, G. J. Pierce, C. J. Camphuysen, 2010. Sub-surface hotspots in shallow seas: Fine scale limited locations of marine top predator foraging habitat indicated by tidal mixing and sub- surface chlorophyll. Marine Ecology Progress Series, 408, 207-226. Sharples, J., 2010. An Overview of the Subpolar Margins. In: Liu, K.-K., Atkinson, L., Quiñones, R., Talaue-McManus, L. (Editors), Carbon and Nutrient Fluxes in Continental Margins: A Global Synthesis. IGBP Book Series. Springer, Berlin, 744 p + XXVIII. Sharples, J., C. M. Moore, A. E. Hickman, P. M. Holligan, J. F. Tweddle, M. R. Palmer, and J. H. Simpson, 2009. Internal tidal mixing as a control on continental margin ecosystems. Geophys. Res. Lett., 36, L23603, doi:10.1029/2009GL040683. Rippeth, T. P., P. Wiles, M. R. Palmer, J. Sharples, & J. Tweddle, 2009. The diapcynal nutrient flux and shear-induced diapcynal mixing in the seasonally stratified western Irish Sea. Continental Shelf Research, 29, 1580-1587. Hickman, A.E., P. M. Holligan, C. M. Moore, J. Sharples, V. Krivtsov, M. R. Palmer. 2009. Distribution and chromatic adaptation of phytoplankton within a shelf sea thermocline. Limnology and Oceanography, 54(2), 525-536. Sharples, J. 2008. Potential impacts of the spring-neap tidal cycle on shelf sea primary production. Journal of Plankton Research, 30(2), 183-197. Ross, O. N., & J. Sharples, 2008. Swimming for survival: a role for phytoplankton motility in a stratified turbulent environment. Journal of Marine Systems, 70, 248-262. Johnk K. D., J. Huisman, J. Sharples, B. Sommeijer, P. M. Visser, & J. M. Stroom. 2008. Summer heatwaves promote blooms of harmful cyanobacteria. Global Change Biology, 14, 495–512. Bissinger, J. E., D. J. S. Montagnes, J. Sharples, & D. Atkinson 2008. Predicting marine phytoplankton maximum growth rates from temperature: Improving on the Eppley curve using quantile regression. Limnology & Oceanography, 53, 487-493. Ross, O. N., & J. Sharples, 2007. Phytoplankton motility and the competition for nutrients in the thermocline. Marine Ecology Progress Series, 347, 21-38. Sharples , J., Tweddle, J. F., Green, J. A. M., Palmer, M. R., Kim, Y-N, Hickman, A. E., Holligan, P. M., Moore, C. M., Rippeth, T. P., Simpson, J. H., and Krivtsov, V. 2007. Spring-neap modulation of internal tide mixing and vertical nitrate fluxes at a shelf edge in summer. Limnology & Oceanography, 52(5), 1735-1747. Greenstreet, S. P. R., E. Armstrong, H. Mosegaard, H. Jensen, I. M. Gibb, H. M. Fraser, B. E. Scott, G. J. Holland, & J. Sharples, 2006. Variation in the abundance of sandeels Ammodytes marinus off southeast Scotland: an evaluation of area-closure fisheries management and stock abundance assessment methods. ICES Journal of Marine Science, 63, 1530-1550. Sharples, J., & P. M. Holligan. Interdisciplinary processes in the Celtic Seas. 2006. In: The Sea, eds. A.R. Robinson & K.H. Brink, vol. 14B, Harvard University Press, Boston, chapter 25, 1003-1031. Daunt, F., S. Wanless, G. Peters, S. Benvenuti, J. Sharples, D. Grimillet, & B. E. Scott, 2006. Impacts of oceanography on the foraging dynamics of seabirds in the North Sea. In: Top Predators in Marine Ecosystems – Their Role in Monitoring and Management (Eds. I. L. Boyd, S. Wanless & C. J. Camphuysen), Conservation Biology 12, 177-190, Cambridge University Press. Scott, B. E., J. Sharples, S. Wanless, O. N. Ross, M. Frederiksen, & F. Daunt, 2006. The use of biologically meaningful oceanographic indices to separate the effects of climate and fisheries on seabird breeding success. In: Top Predators in Marine Ecosystems – Their Role in Monitoring and Management (Eds. I. Boyd, S. Wanless & C. J. Camphuysen), Conservation Biology 12, 46-62, Cambridge University Press. Sharples, J., O. N. Ross, B. E. Scott, S. P. R. Greenstreet, and H. Fraser, 2006. Inter-annual variability in the timing of stratification and the spring bloom in the North-western North Sea. Continental Shelf Research, 26, 733-751. Moore, C. M., Suggett, D. J., Hickman, A. E., Kim, Y.-N., Tweddle, J. F., Sharples, J., Geider, R. J., and Holligan. P. M.. 2006. Phytoplankton photoacclimation and photoadaptation in response to environmental gradients in a shelf sea. Limnology & Oceanography, 51(2), 936-949. Stevens, C.L.; Abraham, E.A.; Moore, C.M.; Boyd, P.W.; Sharples, J.. 2005 Observations of Small-Scale Processes Associated with the Internal Tide Encountering an Island. Journal of Physical Oceanography, 35(9), 1553–1567. Rippeth, T. P., M. R. Palmer, J. H. Simpson, N. R. Fisher, & J. Sharples. 2005. Thermocline mixing in summer stratified continental shelf seas. Geophysical Research Letters, 32, L05602, doi:10.1029/2004GL022104. Sharples, J.. Turbulence measurements in highly stratified estuaries. 2005. In: Marine Turbulence: Theories, Observations, and Models (eds. H. Baumert, J. H. Simpson, & J. Sϋndermann), 334-339. Cambridge University Press, Cambridge, pp630. Ross, O. N., & J. Sharples. 2004. Recipe for 1-D lagrangian particle-tracking models in space-varying diffusivity. Limnology & Oceanography Methods, 2, 289-302. Huisman, J., Sharples, J., Stroom, J., Visser, P. M., Kardinaal, W. E. A., Verspagen, J. M. H., and Sommeijer, B., 2004. Changes in turbulent mixing shift competition for light between phytoplankton species. Ecology, 85, 2960- 2970. Ribeiro, C. H. A., J. J. Waniek & J. Sharples. 2004. Observations of the spring- neap modulation of the gravitational circulation in a partially mixed estuary. Ocean Dynamics, 54, 299-306. Sharples, J., M. J. Coates, & J. Sherwood. 2003. Quantifying turbulent mixing and oxygen fluxes in a Mediterranean-type, microtidal estuary. Ocean Dynamics, 53, 126 – 136. Moore, C.M., P. M. Holligan, J. Sharples, D. J. Suggett, M. I. Lucas, E. R. Abraham, T. P. Rippeth, J. H. Simpson, & D. J. Hydes. 2003. Physical controls on phytoplankton physiology at a shelf sea front: a fast repetition- rate fluorometer based field study. Mar. Ecol. Prog. Ser., 259, 29-45. Sharples, J., & J. H. Simpson. 2001. Shelf Sea and Shelf Slope Fronts. In: Encyclopedia of Ocean Sciences, Academic Press Inc., (eds. J. H. Steele, K. K. Turekian, & S. A. Thorpe), 2760-2768. Sharples, J., C. M. Moore, E. R. Abraham. 2001. Internal tide dissipation, mixing, and vertical nitrate flux at the shelf edge of NE New Zealand. Journal of Geophysical Research, 106 (C7), 14,069-14,081. Sharples, J., C. M. Moore, T. P. Rippeth, P. M. Holligan, D. J. Hydes, N. R. Fisher, & J. H. Simpson. 2001. Phytoplankton distribution and survival in the thermocline. Limnology and Oceanography, 46(3), 486-496. Sharples, J. 2000. Water circulation in Southampton Water and the Solent. In: Solent Science – A Review (eds. M. Collins & K. Ansell), Elsevier Proceedings in Marine Science, 1, 45-54. Lauria, M.L., D.A. Purdie, & J. Sharples. 1999. Contrasting phytoplankton distributions controlled by tidal turbulence in an estuary. Journal of Marine Systems, 21(1-4) 189-197. Sharples, J.. 1999. Investigating the seasonal vertical structure of phytoplankton in shelf seas Prog. Oceanogr., Suppl. S, 3-38. Chang, F. H., J. Sharples, J. M. Grieve, M. Miles, & D. G. Till. 1998. Distribution of Gymnodinium cf. breve and shellfish toxicity from 1993 to 1995 in Hauraki Gulf, New Zealand. In: Harmful Algae; Reguera, B., Blanco, J., Fernández, M. L., & Wyatt, T., (Eds). IOC UNESCO, 139-142. Sharples, J., & M.J.N. Greig. 1998.Tidal currents, mean flows, and upwelling on the northeast shelf of New Zealand. New Zealand Journal of Marine and Freshwater Research, 32(2), 215-231. Sharples, J. 1998. Physical processes on the New Zealand shelf, and the rest of the world's islands. In: The Sea, eds. A.R. Robinson & K.H. Brink, vol. 11. John Wiley & Sons, New York. 965-996. Wright, P. N., D. J. Hydes, M. L. Lauria, J. Sharples, & D. A. Purdie. 1997. Data buoy measurements of phytoplankton dynamics in Southampton Water, UK, a temperate latitude estuary with high nutrient inputs. Deutsche Hydrographische Zeitschrift, 49(2/3), 203-211. Sharples, J.. 1997. Cross-shelf intrusion of subtropical water into the coastal zone of Northeast New Zealand. Continental Shelf Research, 17(7), 835-857. Chang, F. H., J. Sharples & J. M. Grieve. Temporal and spatial distribution of toxic dinoflagellates in Bay of Plenty, New Zealand, during the early 1993 toxic shellfish outbreaks. In: Harmful and Toxic Algal Blooms; Yasumoto, T., Oshima, Y., & Fukuyo, Y., (Eds). IOC UNESCO, 235-238. 1996. Sharples, J. and J.H.Simpson. 1996. The influence of the springs-neaps cycle on the position of shelf sea fronts. In: Buoyancy Effects on Coastal Dynamics, D.G.Aubrey & C.T.Friedrichs (Eds). Coastal and Estuarine Studies Volume 53, AGU, 71-82. Hadfield, M.G., and J. Sharples. 1996. Modelling mixed layer depth and plankton biomass off the west coast of South Island, New Zealand. Journal of Marine Systems 8(1-2). 1-29. Sharples, J. and J.H. Simpson. 1995. Semi-diurnal and longer period stability cycles in the Liverpool Bay region of freshwater influence. Continental Shelf Research 15(2/3), 295-313. Simpson, J.H. and J. Sharples. 1994. Does the earth's rotation influence the position of the shelf sea fronts? Journal of Geophysical Research 99 C2, 3315-3319. Sharples, J. and P. Tett. 1994. Modelling observations of the seasonal cycle of primary productivity: the importance of short-term physical variability. Journal of Marine Research 52, 219-238. Sharples, J., J.H. Simpson, and J.M. Brubaker. 1994; Observations and modelling of periodic stratification in the Upper York River estuary, Virginia. Estuarine, Coastal and Shelf Science 38, 301-312. Sharples, J. and J.H. Simpson. 1993. Periodic frontogenesis in regions of freshwater influence. Estuaries 16 (1), 74-82. Simpson, J.H., J. Sharples, T.P. Rippeth. 1991. A prescriptive model of stratification induced by freshwater run-off. Estuarine, Coastal and Shelf Science 33, 23-35. Simpson, J.H., & J. Sharples, 1991. Dynamically active models in the prediction of estuarine stratification. In: Dynamics and Exchanges in Estuaries and the Coastal Zone; ed. D.Prandle. Coastal and Estuarine Studies (vol. 40), A.G.U. 101-113.