Items where NERC Author is "Watkins, Nicholas"

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Number of items: 53.

Publication - Article

Stainforth, David A.; Chapman, Sandra C.; Watkins, Nicholas W.. 2013 Mapping climate change in European temperature distributions. Environmental Research Letters, 8 (3). 9, pp.

Capparelli, V.; Franzke, C.; Vecchio, A.; Freeman, M.P.; Watkins, N.W.; Carbone, V.. 2013 A spatiotemporal analysis of U.S. station temperature trends over the last century. Journal of Geophysical Research - Atmospheres, 118 (14). 7427-7434.

Chapman, S.C.; Stainforth, D.A.; Watkins, N.W.. 2013 On estimating local climate sensitivity. Philosophical Transactions of the Royal Society of London, A, 371 (1991), 20120287. 17, pp.

Watkins, N.W.. 2013 Bunched black (and grouped grey) swans: Dissipative and non-dissipative models of correlated extreme fluctuations in complex geosystems. Geophysical Research Letters, 40 (2). 402-410.

Watkins, Nicholas. 2012 Review of 'The physics of foraging: an introduction to random searches and biological encounters', G.M. Viswanathan, M.G.E. da Luz, E.M. Raposo and H.E. Stanley, Cambridge University Press, 2011, pp. 164. Physics Today, 65 (1). 44.

Franzke, Christian; Graves, Timothy; Watkins, Nicholas; Gramacy, Robert B.; Hughes, Cecilia. 2012 Robustness of estimators of long-range dependence and self-similarity under non-Gaussianity. Philosophical Transactions of the Royal Society of London, A, 370 (1962). 1250-1267.

Vértes, Petra E.; Nicol, Ruth M.; Chapman, Sandra C.; Watkins, Nicholas W.; Robertson, Duncan A.; Bullmore, Edward T.. 2012 Topological isomorphisms of human brain and financial market networks. Frontiers in Systems Neuroscience, 5, 75. 12, pp.

Freeman, Mervyn P.; Watkins, Nicholas W.; Yoneki, Eiko; Crowcroft, Jon. 2010 Rhythm and randomness in human contact. 2010 International Conference on Advances in Social Networks Analysis and Mining, 2010 Internation. 184-191.

Chapman, S.C.; Watkins, Nicholas W.. 2009 Avalanching systems under intermediate driving rate. Plasma Physics and Controlled Fusion, 51 (12), 124006. 9, pp.

Watkins, Nicholas W.; Chapman, S.C.; Rosenberg, Samuel J.. 2009 Comment on "Coexistence of self-organized criticality and intermittent turbulence in the solar corona". Physical Review Letters, 103 (3), 039501. 1, pp.

Watkins, Nicholas; Credgington, Daniel; Sanchez, Raul; Rosenberg, Samuel; Chapman, Sandra. 2009 Kinetic equation of linear fractional stable motion and applications to modeling the scaling of intermittent bursts. Physical Review E, 79, 041124. 9, pp.

Chapman, S. C.; Rowlands, G.; Watkins, N.W.. 2009 Macroscopic control parameter for avalanche models of bursty transport. Physics of Plasmas, 16, 012303. 7, pp. 10.1063/1.3057392

Kiyani, K.H.; Chapman, S.C.; Watkins, N.W.. 2009 Pseudononstationarity in the scaling exponents of finite-interval time series. Physical Review E, 79, 036109. 11, pp.

Watkins, Nicholas W.. 2009 Review of How Apollo flew to the moon. Eos, Transactions, American Geophysical Union, 90 (40). 354.

Watkins, Nicholas W.; Freeman, Mervyn P.. 2008 Natural complexity. Science, 320 (5874). 323-324.

Abel, G. A.; Freeman, M. P.; Chisham, G.; Watkins, N. W.. 2007 Investigating turbulent structure of ionospheric plasma velocity using the Halley SuperDARN radar. Nonlinear Processes in Geophysics, 14 (6). 799-809.

Hnat, B.; Chapman, S.C.; Kiyani, K.; Rowlands, G.; Watkins, Nicholas W.. 2007 On the fractal nature of the magnetic field energy density in the solar wind. Geophysical Research Letters, 34 (15), L15108. 4, pp.

Edwards, Andrew M.; Phillips, Richard A.; Watkins, Nicholas W.; Freeman, Mervyn P.; Murphy, Eugene J,; Afanasyev, Vsevolod; Buldyrev, Sergey V.; da Luz, M. G. E.; Raposo, E. P.; Stanley, H. Eugene; Viswanathan, Gandhimohan M.. 2007 Revisiting Lévy flight search patterns of wandering albatrosses, bumblebees and deer. Nature, 449 (7165). 1044-1048.

Chapman, S.C.; Rowlands, G.; Watkins, N.W.. 2005 Scaling and commonality in anomalous fluctuation statistics in models for turbulence and ferromagnetism. Journal of Physics A: Mathematical and General, 38 (10). 2289-2297.

Chapman, S.C.; Hnat, B.; Rowlands, G.; Watkins, N.W.. 2005 Scaling collapse and structure functions: identifying self-affinity in finite length time series. Nonlinear Processes in Geophysics, 12 (6). 767-774.

Watkins, Nicholas W.; Credgington, Daniel; Hnat, Bogdan; Chapman, Sandra C.; Freeman, Mervyn P.; Greenhough, John. 2005 Towards synthesis of solar wind and geomagnetic scaling exponents: a fractional Levy motion model. Space Science Reviews, 121 (1-4). 271-284.

Watkins, Nick. 2004 Citation rates. [Letter commenting on the article "Citation measures and impact within astronomy" by F.R. Pearce, published in Astronomy and Geophysics, 45, No. 2, 15-17]. Astronomy and Geophysics, 45 (5). 5.9-5.9.

Chapman, S.C.; Denby, R.O.; Watkins, N.W.. 2004 Robustness and scaling: key observables in the complex dynamic magnetosphere. Plasma Physics and Controlled Fusion, 42 (12B). B157-B166.

Clarke, Richard W.; Freeman, Mervyn P.; Watkins, Nicholas W.. 2003 Application of computational mechanics to the analysis of natural data: an example in geomagnetism. Physical Review E, 67 (1-2), 016203. 15, pp.

Hnat, B.; Chapman, S.C.; Rowlands, G.; Watkins, N.W.; Freeman, M.P.. 2003 Scaling in long term data sets of geomagnetic indices and solar wind epsilon as seen by WIND spacecraft. Geophysical Research Letters, 30 (22), 2174. 4.

Watkins, N.W.; Chapman, S.C.; Rowlands, G.. 2002 Comment on 'Universal fluctuations in correlated systems'. Physical Review Letters, 89 (20). 208901.

Chapman, S.C.; Rowlands, G.; Watkins, Nicholas W.. 2002 Extremum statistics: a framework for data analysis. Nonlinear Processes in Geophysics, 9 (5-6). 409-418.

Hnat, B.; Chapman, S.C.; Rowlands, G.; Watkins, N.W.; Farrell, W.M.. 2002 Finite size scaling in the solar wind magnetic field energy density as seen by WIND. Geophysical Research Letters, 29 (10), 1446. 4, pp.

Watkins, N.W.. 2002 Scaling in the space climatology of auroral indices: is SOC the only possible description? Nonlinear Processes in Geophysics, 9 (5-6). 389-397.

Hnat, B.; Chapman, S.C.; Rowlands, G.; Watkins, N.W.; Freeman, M.P.. 2002 Scaling of solar wind epsilon and the AU, AL and AE indices by WIND. Geophysical Research Letters, 29 (22), 2078. 4, pp.

Freeman, Mervyn P.; Watkins, Nicholas W.. 2002 The heavens in a pile of sand. Science, 298 (5595). 979-980.

Watkins, N.W.; Freeman, M.P.; Rhodes, C.S.; Rowlands, G.. 2001 Ambiguities in determination of self-affinity in the AE-index time series. Fractals, 9 (4). 471-479.

Chapman, Sandra; Watkins, Nicholas. 2001 Avalanching and self organised criticality, a paradigm for geomagnetic activity? Space Science Reviews, 95 (1-2). 293-307.

Watkins, N.W.; Bharmal, N.A.; Clilverd, M.A.; Smith, A.J.. 2001 Comparison of VLF sferics intensities at Halley, Antarctica, with tropical lightning and temperature. Radio Science, 36 (5). 1053-1064.

Watkins, N.W.; Clilverd, M.A.; Smith, A.J; Rodger, C.J.; Bharmal, N.A.; Yearby, K.H.. 2001 Lightning atmospherics count rates observed at Halley, Antarctica. Journal of Atmospheric and Solar-Terrestrial Physics, 63 (10). 993-1003.

Chapman, S.C.; Watkins, N.W.; Rowlands, G.. 2001 Signatures of dual scaling regimes in a simple avalanche model for magnetospheric activity. Journal of Atmospheric and Solar-Terrestrial Physics, 63 (13). 1361-1370.

Watkins, N.W.; Freeman, M.P.; Chapman, S.C; Dendy, R.O. 2001 Testing the SOC hypothesis for the magnetosphere. Journal of Atmospheric and Solar-Terrestrial Physics, 63 (13). 1435-1445.

Watkins, N.W.; Oughton, S.; Freeman, M.P.. 2001 What can we infer about the underlying physics from burst distributions observed in an RMHD simulation? Planetary and Space Science, 49 (12). 1233-1237.

Tam, Sunny W. Y.; Chang, Tom; Chapman, S. C.; Watkins, N. W.. 2000 Analytical determination of power-law index for the Chapman et al. sandpile (FSOC) analog for magnetospheric activity - a renormalization-group analysis. Geophysical Research Letters, 27 (9). 1367-1370.

Freeman, M.P.; Watkins, N.W.; Riley, D.J.. 2000 Evidence for a solar wind origin of the power law burst lifetime distribution of the AE indices. Geophysical Research Letters, 27 (8). 1087-1090.

Freeman, M.P.; Watkins, N.W.; Riley, D.J.. 2000 Power law distributions of burst duration and interburst interval in the solar wind: Turbulence or dissipative self-organized criticality? Physical Review E, 62 (6). 8794-8797.

Clilverd, Mark A.; Watkins, Nicholas W.; Smith, Andy J.; Yearby, Keith H.. 1999 Diurnal and annual variations in 10-kHz radio noise. Radio Science, 34 (4). 933-938.

Helander, P.; Chapman, S.C.; Dendy, R.O.; Rowlands, G.; Watkins, N.W.. 1999 Exactly solvable sandpile with fractal avalanching. Physical Review E., 59 (6). 6356-6360.

Watkins, N. W.; Chapman, S. C.; Dendy, R. O.; Rowlands, G.. 1999 Robustness of collective behaviour in strongly driven avalanche models: Magnetospheric implications. Geophysical Research Letters, 26 (16). 2617-2620.

Watkins, Nicholas W.; Clilverd, Mark A.; Smith, Andy J.; Yearby, Keith H.. 1998 A 25-year record of 10 kHz sferics noise in Antarctica: Implications for tropical lightning levels. Geophysical Research Letters, 25 (23). 4353-4356.

Chapman, S. C.; Watkins, N. W.; Dendy, R. O.; Helander, P.; Rowlands, G.. 1998 A simple avalanche model as an analogue for magnetospheric activity. Geophysical Research Letters, 25 (13). 2397-2400.

Publication - Book Section

Sharma, A. Surjalal; Baker, Daniel N.; Bhattacharyya, Archana; Bunde, Armin; Dimri, Vijay P.; Gupta, Harsh K.; Gupta, Vijay K.; Lovejoy, Shaun; Main, Ian G.; Schertzer, Daniel; von Storch, Hans; Watkins, Nicholas W.. 2012 Complexity and extreme events in geosciences: an overview. In: Sharma, A. Surjal; Bunde, Armin; Dimri, V.P.; Baker, Dan, (eds.) Extreme events and natural hazards: the complexity perspective. Washington, American Geophysical Union, 16pp. (Geophysical Monograph Series, 196).

Watkins, N.W.; Hnat, B.; Chapman, S.C.. 2012 On self-similar and multifractal models for the scaling of extreme bursty fluctuations in space plasmas. In: Sharma, A. Surjalal; Bunde, Armin; Dimri, Vijay P; Baker, Daniel N., (eds.) Extreme Events and Natural Hazards: The Complexity Perpective. Washington, American Geophysical Union, 299-313. (Geophysical Monograph Series, 196).

Abel, Gary A.; Freeman, Mervyn P.; Chisham, Gareth; Watkins, Nicholas W.. 2007 Investigating the turbulent structure of ionospheric plasma velocities on open and closed magnetic field lines. In: Shaikh, Dastgeer; Zank, Gary P., (eds.) Turbulence and nonlinear processes in astrophysical plasmas. Melville, New York, American Institute of Physics, 307-312. (AIP conference proceedings, 932).

Chapman, S.C.; Watkins, Nicholas W.. 2002 Self-organized criticality and turbulence in the solar system and beyond. In: Murdin, P., (ed.) Encylopedia of astronomy and astrophysics. Basingstoke, Nature Publishing, 3pp.

Chapman, S.C.; Rowlands, G.; Watkins, N.W.; Dendy, R.O.. 2000 Avalanche models and geomagnetic activity. In: Biernat, H.K.; Farrugia, C.J.; Vogl, D.F., (eds.) The solar wind-magnetosphere system 3. Proceedings of the international workshop, Graz, September 1998. Vienna, Verlag der Osterreichischen Akademie der Wissenschaften, 309-317.

Tam, Sunny W. Y.; Chang, Tom; Chapman, S.C.; Watkins, N.W.. 2000 Renormalization-group study of a sandpile (FSOC)analog for magnetospheric activity. In: Wilson, Andrew, (ed.) Proceedings of the Fifth International Conference on Substorms, St. Petersburg, Russia, May 2000. ESA, 205-208. (ESA Special Publication, 443).

Chapman, S.C.; Watkins, N.W.; Dendy, R.O.; Rowlands, G.. 1998 Avalanche models and auroral indices. In: Kokubun, S.; Kamide, Y., (eds.) Substorms-4: International Conference on Substorms-4, Lake Hamana, Japan, March 1998. Dordrecht, Kluwer, 323-326. (Astrophysics and Space Science Library, 238).

This list was generated on Mon Jul 15 18:25:37 2019 UTC.