Professor John Simpson
Emeritus Professor

Affiliations
Contact info
Emeritus Professor
Room: Nautilus 324 Westbury Mount
Phone: 01248 382844
E-mail: oss035@bangor.ac.uk
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Energy input and dissipation in a temperate lake during the spring transition
Woolway, R. & Simpson, J., Aug 2017, In: Ocean Dynamics. 67, 8, p. 959-971Research output: Contribution to journal › Article › peer-review
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Physical and chemical impacts of a major storm on a temperate lake: a taste of things to come?
Woolway, R. I., Simpson, J. H., Spiby, D., Feuchtmayr, H., Powell, B. & Maberly, S. C., Nov 2018, In: Climatic Change. 151, 2, p. 333-347Research output: Contribution to journal › Article › peer-review
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Uncertainties in estimates of Reynolds stress and TKE production rate using the ADCP variance method.
Williams, E. & Simpson, J. H., 1 Feb 2004, In: Journal of Atmospheric and Oceanic Technology. 21, 2, p. 347-357Research output: Contribution to journal › Article › peer-review
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A novel technique for measuring mixing using Acoustic Doppler Current Profilers (ADCPs)
Wiles, P., Simpson, J. & Rippeth, T. P., 1 Jan 2005, p. 9-13.Research output: Contribution to conference › Paper
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Stratification and mixing in the Limfjorden in relation to mussel culture.
Wiles, P. J., Van Duren, L. A., Hase, C., Larsden, J. & Simpson, J., 1 Apr 2006, In: Journal of Marine Systems. 60, 1-2, p. 129-143Research output: Contribution to journal › Article › peer-review
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A novel technique for measuring the rate of turbulent dissipation in the marine environment.
Wiles, P. J., Rippeth, T. P., Simpson, J. H. & Hendricks, P. J., 10 Nov 2006, In: Geophysical Research Letters. 33, 21, p. L21608Research output: Contribution to journal › Article › peer-review
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Processes impacting on stratification in a region of freshwater influence: Application to Liverpool Bay
Verspecht, F., Rippeth, T. P., Howarth, M. J., Souza, A. J., Simpson, J. H. & Burchard, H., 1 Nov 2009, In: Journal of Geophysical Research: Oceans. 114, p. C11022Research output: Contribution to journal › Article › peer-review
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Semi-diurnal tidal ellipse variability in a region of freshwater influence
Verspecht, F., Simpson, J. H. & Rippeth, T. P., 1 Sept 2010, In: Geophysical Research Letters. 37, 18, p. 1-4Research output: Contribution to journal › Article › peer-review
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Residual circulation and stratification in the Liverpool Bay region of freshwater influence.
Verspecht, F., Rippeth, T. P., Simpson, J. H., Souza, A. J., Burchard, H. & Howarth, M. J., 1 Nov 2009, In: Ocean Dynamics. 59, 5, p. 765-779Research output: Contribution to journal › Article › peer-review
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Physical controls of food supply to benthic filter feeders in the Menai Strait, UK
Tweddle, J. F., Simpson, J. H. & Janzen, C. D., 30 Mar 2005, In: Marine Ecology Progress Series. 289, p. 79-88Research output: Contribution to journal › Article › peer-review
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Boils and turbulence in a weakly stratified shallow tidal sea.
Thorpe, S. A., Green, J. A., Simpson, J. H., Osborn, T. R. & Nimmo-Smith, W. A., 1 Aug 2008, In: Journal of Physical Oceanography. 38, 8, p. 1711-1730Research output: Contribution to journal › Article › peer-review
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Turbulent mixing in the seasonally-stratified western Irish Sea: a Thorpe Scale perspective
Stansfield, K. L., Palmer, M. R., Rippeth, T. P. & Simpson, J. H., 19 Nov 2013, In: Ocean Science. 10, 6, p. 2141-2155Research output: Contribution to journal › Article › peer-review
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Flow structure and seasonality in the Hebridean slope current.
Souza, A. J., Simpson, J. H., Harikrishnan, M. & Malarkey, J., 1 Feb 2001, In: Oceanologica Acta. 24, Supplement 1, p. S63-S76Research output: Contribution to journal › Article › peer-review
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Effects of tidal straining on the semidiurnal cycle of dissipation in the Rhine region of freshwater influence: Comparison of model and measurements.
Souza, A. J., Fisher, N. R., Simpson, J. H. & Howarth, M. J., 16 Jan 2008, In: Journal of Geophysical Research - Oceans. 113, C1, p. C01011Research output: Contribution to journal › Article › peer-review
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The vertical structure of turbulent dissipation in shelf seas
Simpson, J., Crawford, B., Rippeth, T., Campbell, A. & Cheok, J., 1 Aug 1996, In: Journal of Physical Oceanography. 26, 8, p. 1579-1590Research output: Contribution to journal › Article › peer-review
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The semi-diurnal cycle of dissipation in a ROFI: model-measurement comparisons.
Simpson, J., Burchard, H., Fisher, N. R. & Rippeth, T., 1 Jul 2002, In: Continental Shelf Research. 22, 11-13, p. 1615-1628Research output: Contribution to journal › Article › peer-review
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A PRESCRIPTIVE MODEL OF STRATIFICATION INDUCED BY FRESH-WATER RUNOFF
Simpson, J., Sharples, J. & Rippeth, T., 1 Jul 1991, In: Estuarine, Coastal and Shelf Science. 33, 1, p. 23-35Research output: Contribution to journal › Article › peer-review
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Non-conservative nutrient fluxes from budgets for the Irish Sea
Simpson, J. & Rippeth, T., 1 Dec 1998, In: Estuarine, Coastal and Shelf Science. 47, 6, p. 707-714Research output: Contribution to journal › Article › peer-review
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Reynolds Stress and TKE production in an estuary with a tidal bore.
Simpson, J., Fisher, N. & Wiles, P. J., 1 Aug 2004, In: Estuarine, Coastal and Shelf Science. 60, 4, p. 619-627Research output: Contribution to journal › Article › peer-review
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Acoustic Dopper Techniques
Simpson, J., Rippeth, T. P., Williams, E., Betteridge, K., Baumert, H. Z. (Editor) & Sundermann, J. (Editor), 1 Jan 2005, Marine Turbulence: Theories: Observations and Models. 2005 ed. Cambridge University Press, p. 127-138Research output: Chapter in Book/Report/Conference proceeding › Chapter
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THE CLYDE SEA - A MODEL OF THE SEASONAL CYCLE OF STRATIFICATION AND MIXING
Simpson, J. & Rippeth, T., 1 Aug 1993, In: Estuarine, Coastal and Shelf Science. 37, 129-144, p. 129-144Research output: Contribution to journal › Article › peer-review
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The annual cycle of energy input, modal excitation and physical plus biogenic turbulent dissipation in a temperate lake
Simpson, J., Woolway, I., Scannell, B., Austin, M., Powell, B. & Maberly, S. C., Jun 2021, In: Water Resources Research. 57, 6, 2020WR029441.Research output: Contribution to journal › Article › peer-review
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PERIODIC STRATIFICATION IN THE RHINE ROFI IN THE NORTH-SEA
Simpson, J., Bos, P., Schirmer, F., Souza, A., Rippeth, T., Jones, S. & Hydes, D., 1993, In: Oceanologica Acta. 16, 1, p. 23-32Research output: Contribution to journal › Article › peer-review
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Dissipation and mixing during the onset of stratification in a temperate lake, Windermere
Simpson, J. H., Lucas, N., Powell, B. & Maberly, S. C., 31 Dec 2014, In: Limnology and Oceanography. 60, 1, p. 29-41Research output: Contribution to journal › Article › peer-review
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The interaction of tidal advection, diffusion and mussel filtration in a tidal channel.
Simpson, J. H., Berx, B., Gascoigne, J. & Saurel, C., 1 Dec 2007, In: Journal of Marine Systems. 68, 3-4, p. 556-568Research output: Contribution to journal › Article › peer-review
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The phase lag of turbulent dissipation in tidal flow.
Simpson, J. H., Rippeth, T. P., Campbell, A. R. & Yanagi, T. (Editor), 1 Jan 2000, Interactions between Estuaries: Coastal Seas and Shelf Seas. 2000 ed. Terra Scientific Publishing, p. 57-67Research output: Chapter in Book/Report/Conference proceeding › Chapter
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A test of the influence of tidal stream polarity on the structure of turbulent dissipation.
Simpson, J. H. & Tinker, J. P., 15 Jan 2009, In: Continental Shelf Research. 29, 1, p. 320-332Research output: Contribution to journal › Article › peer-review
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The structure of dissipation in the western Irish Sea front.
Simpson, J. H., Green, M., Rippeth, T. P., Osborn, T. R. & Nimmo-Smith, W. A., 1 Jun 2009, In: Journal of Marine Systems. 77, 4, p. 428-440Research output: Contribution to journal › Article › peer-review
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Internal seiche modes and bottom boundary-layer dissipation in a temperate lake from acoustic measurements
Simpson, J. H., Wiles, P. J. & Lincoln, B. J., 1 May 2011, In: Limnology and Oceanography. 56, 5, p. 1893-1906Research output: Contribution to journal › Article › peer-review
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“The Ekman Drain”: a conduit to the deep ocean for shelf material
Simpson, J. H. & McCandliss, R. R., 1 Oct 2013, In: Ocean Dynamics. 63, 9-10, p. 1063-1072Research output: Contribution to journal › Article › peer-review
- Published
Acoustic Dopper Techniques.
Simpson, J. H., Rippeth, T., Williams, E., Betteridge, K., Baumert, H. Z. (Editor) & Sundermann, J. (Editor), 1 Jan 2005, Marine Turbulence: Theories: Observations and Models. 2005 ed. Cambridge University Press, p. 127-138Research output: Chapter in Book/Report/Conference proceeding › Chapter
- Published
Forced oscillations near the critical latitude for diurnal-inertial resonance.
Simpson, J. H., Hyder, P., Rippeth, T. P. & Lucas, I. M., 1 Jan 2002, In: Journal of Physical Oceanography. 32, 1, p. 177-187Research output: Contribution to journal › Article › peer-review
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The impact of tidal straining on the cycle of turbulence in a partially stratified estuary.
Simpson, J. H., Williams, E., Brasseur, L. H. & Brubaker, J. M., 1 Jan 2005, In: Continental Shelf Research. 25, 1, p. 51-64Research output: Contribution to journal › Article › peer-review
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The salt fluxes in a tidally-energetic estuary.
Simpson, J. H., Vennell, R. & Souza, A. J., 1 Jan 2001, In: Estuarine, Coastal and Shelf Science. 52, 1, p. 131-142Research output: Contribution to journal › Article › peer-review
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Buoyancy-stirring interactions in a subtropical embayment: a synthesis of measurements and model simulations in Maputo Bay, Mozambique.
Silva, J. D., Simpson, J. H., Hoguane, A. M. & Harcourt-Baldwin, J. L., 1 May 2010, In: African Journal of Marine Science. 32, 1, p. 95-107Research output: Contribution to journal › Article › peer-review
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Phytoplankton distribution and survival in the thermocline.
Sharples, J., Moore, C. M., Rippeth, T. P., Holligan, P. M., Hydes, D. J., Fisher, N. R. & Simpson, J. H., 1 May 2001, In: Limnology and Oceanography. 46, 3, p. 486-496Research output: Contribution to journal › Article › peer-review
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Internal tidal mixing as a control on continental margin ecosystems.
Sharples, J., Moore, C. M., Hickman, A. E., Holligan, P. M., Tweddle, J. F., Palmer, M. R. & Simpson, J. H., 1 Dec 2009, In: Geophysical Research Letters. 36, p. L23603Research output: Contribution to journal › Article › peer-review
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Phytoplankton survival in the thermocline.
Sharples, J., Moore, C. M., Rippeth, T. P., Holligan, P. M., Hydes, D. J., Fisher, N. R. & Simpson, J. H., 1 Jan 2001, In: Limnology and Oceanography. 46, 3, p. 486-496Research output: Contribution to journal › Article › peer-review
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Correcting surface wave bias in structure function estimates of turbulent kinetic energy dissipation rate
Scannell, B., Rippeth, T., Simpson, J., Polton, J. & Hopkins, J., Oct 2017, In: Journal of Atmospheric and Oceanic Technology. 34, 10, p. 2257-2273Research output: Contribution to journal › Article › peer-review
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The narrow shelf concept: couplings and fluxes.
Sanchez-Arcilla, A. & Simpson, J. H., 1 Jan 2002, In: Continental Shelf Research. 22, 2, p. 153-172Research output: Contribution to journal › Article › peer-review
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Future variability of solute transport in a macrotidal estuary
Robins, P. E., Lewis, M. J., Simpson, J. H., Howlett, E. R. & Malham, S. K., 13 Oct 2014, In: Estuarine, Coastal and Shelf Science. 151, p. 88-99Research output: Contribution to journal › Article › peer-review
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The frequency and duration of episodes of complete vertical mixing in the Clyde Sea
Rippeth, T. & Simpson, J., 1 Jun 1996, In: Continental Shelf Research. 16, 7, p. 933-947Research output: Contribution to journal › Article › peer-review
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Diurnal signals in vertical motions on the Hebridean Shelf
Rippeth, T. & Simpson, J., 1 Nov 1998, In: Limnology and Oceanography. 43, 7, p. 1690-1696Research output: Contribution to journal › Article › peer-review
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Turbulent Dissipation of Coastal Seas: Response to article: Observations of Biologically Generated Turbulence in a Coastal Inlet. Kunze, E., Dower, J.F., Beveridge, R., & Bartlett, K.P. (2007) Science 313, 5794, 1768-1770
Rippeth, T., Gascoigne, J., Green, M., Inall, M., Palmer, M., Wiles, P. & Simpson, J., 7 Jun 2007, In: Science. 313, 5794Research output: Contribution to journal › Letter › peer-review
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Density and flow structure in the Clyde Sea front
Rippeth, T., Kasai, A. & Simpson, J., 1 Nov 1999, In: Continental Shelf Research. 19, 4, p. 1833-1848Research output: Contribution to journal › Article › peer-review
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The seasonal cycle of stratification in a Scottish fjord
Rippeth, T., Midgley, R. & Simpson, J., 1995, Mare Nor Symposium on the Ecology of Fjords and Coastal Waters. p. 85-92Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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Reynolds stress and turbulent energy production in a tidal channel.
Rippeth, T., Williams, E. & Simpson, J. H., 1 Apr 2002, In: Journal of Physical Oceanography. 32, 4, p. 1242-1251Research output: Contribution to journal › Article › peer-review
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Thermocline mixing in summer stratified continental shelf seas.
Rippeth, T., Palmer, M., Simpson, J. H., Fisher, N. & Sharples, J., 1 Mar 2005, In: Geophysical Research Letters. 32, 5, p. L05602Research output: Contribution to journal › Article › peer-review
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Current oscillations in the diurnal-inertial band on the Catalonian shelf in spring.
Rippeth, T. P., Simpson, J. H., Player, R. J. & Garcia, M., 1 Jan 2002, In: Continental Shelf Research. 22, 2, p. 247-265Research output: Contribution to journal › Article › peer-review
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Measurement of the rates of production and dissipation of turbulent kinetic energy in an energetic tidal flow: Red Wharf Bay revisited.
Rippeth, T. P., Simpson, J. H., Williams, E. & Inall, M. E., 1 Sept 2003, In: Journal of Physical Oceanography. 33, 9, p. 1889-1901Research output: Contribution to journal › Article › peer-review