Currently browsing: Items authored or edited by Nicholas Watkins

34 items in this list.
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Bergin, A.; Chapman, S. C.; Watkins, N. W.; Moloney, N. R. and Gjerloev, J. W. (2023). Extreme Event Statistics in Dst, SYM‐H, and SMR Geomagnetic Indices. Space Weather, 21(3), article no. e2022SW003304.

Bergin, A.; Chapman, S. C.; Moloney, N. R. and Watkins, N. W. (2022). Variation of Geomagnetic Index Empirical Distribution and Burst Statistics Across Successive Solar Cycles. Journal of Geophysical Research: Space Physics, 127(1), article no. e2021JA029986.

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Chapman, S. C.; McIntosh, S. W.; Leamon, R. J. and Watkins, N. W. (2021). The Sun’s Magnetic (Hale) Cycle and 27 Day Recurrences in the aa Geomagnetic Index. The Astrophysical Journal, 917(2), article no. 54.

Calel, Raphael; Chapman, Sandra C.; Stainforth, David A. and Watkins, Nicholas W. (2020). Temperature variability implies greater economic damages from climate change. Nature Communications, 11, article no. 5028.

Chapman, S. C.; McIntosh, S. W.; Leamon, R. J. and Watkins, N. W. (2020). Quantifying the Solar Cycle Modulation of Extreme Space Weather. Geophysical Research Letters, 47(11), article no. e2020GL087795.

Chapman, S. C.; Murphy, E. J.; Stainforth, D. A. and Watkins, N.W. (2020). Trends in Winter Warm Spells in the Central England Temperature Record. Journal of Applied Meteorology and Climatology, 59(6) pp. 1069–1076.

Chapman, S. C.; Horne, R. B. and Watkins, N. W. (2020). Using the aa index over the last 14 solar cycles to characterize extreme geomagnetic activity. Geophysical Research Letters, 47(3), article no. e2019GL086524.

Chapman, S. C.; Watkins, Nicholas and Stainforth, D. A. (2019). Warming trends in summer heatwaves. Geophysical Research Letters, 46(3) pp. 1634–1640.

Chapman, S. C.; Watkins, N. W. and Tindale, E. (2018). Reproducible aspects of the climate of space weather over the last five solar cycles. Space Weather, 16(8) pp. 1128–1142.

Chapman, S. C.; Lang, P. T.; Dendy, R. O.; Giannone, L.; Watkins, N. W. and ASDEX Upgrade Team (2018). Control system-plasma synchronization and naturally occurring edge localized modes in a tokamak. Physics of Plasmas, 25(6), article no. 062511.

Chapman, Sandra C.; Stainforth, David A. and Watkins, Nicholas W. (2015). Limits to the quantification of local climate change. Environmental Research Letters, 10(9), article no. 094018.

Chapman, S. C.; Dendy, R. O.; Todd, T. N.; Watkins, N. W.; Calderon, F. A. and Morris, J. (2015). The global build-up to intrinsic edge localized mode bursts seen in divertor full flux loops in JET. Physics of Plasmas, 22(7), article no. 072506.

Chapman, S. C.; Dendy, R. O.; Todd, T. N.; Watkins, N. W.; Webster, A. J.; Calderon, F. A. and Morris, J. (2014). Relationship of edge localized mode burst times with divertor flux loop signal phase in JET. Physics of Plasmas, 21(6), article no. 062302.

Chapman, S. C.; Dendy, R. O.; Webster, A. J.; Watkins, N. W.; Todd, T. N.; Morris, J. and JET EFDA Contributors (2014). An Apparent Relation between ELM Occurrence Times and the Prior Evolution of Divertor Flux Loop Measurements in JET. In: Proceedings of the 41st EPS Conference on Plasma Physics, article no. P1.010.

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

Chapman, S. C.; Stainforth, D. A. and Watkins, N. W. (2013). On estimating local long-term climate trends. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 371(1991), article no. 20120287.

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Franzke, Christian L.E.; Barbosa, Susana; Blender, Richard; Fredriksen, Hege‐Beate; Laepple, Thomas; Lambert, Fabrice; Nilsen, Tine; Rypdal, Kristoffer; Rypdal, Martin; Scotto, Manuel G.; Vannitsem, Stéphane; Watkins, Nicholas W.; Yang, Lichao and Yuan, Naiming (2020). The Structure of Climate Variability Across Scales. Reviews of Geophysics, 58(2), article no. e2019RG000657.

Franzke, Christian L. E.; Osprey, Scott M.; Davini, Paolo and Watkins, Nicholas W. (2015). A Dynamical Systems Explanation of the Hurst Effect and Atmospheric Low-Frequency Variability. Scientific Reports, 5, article no. 9068.

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Graves, Timothy; Franzke, Christian L.E.; Watkins, Nicholas W.; Gramacy, Robert B. and Tindale, Elizabeth (2017). Systematic inference of the long-range dependence and heavy-tail distribution parameters of ARFIMA models. Physica A: Statistical Mechanics and its Applications, 473 pp. 60–71.

Graves, T.; Gramacy, R. B.; Franzke, C. L. E. and Watkins, N. W. (2015). Efficient Bayesian inference for natural time series using ARFIMA processes. Nonlinear Processes in Geophysics, 22(6) pp. 679–700.

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Hnat, Bogdan; Chapman, Sandra and Watkins, Nicholas (2023). Topology of turbulence within collisionless plasma reconnection. Scientific Reports, 13, article no. 18665.

Hnat, B.; Chapman, S. C. and Watkins, N. W. (2021). Magnetic Topology of Actively Evolving and Passively Convecting Structures in the Turbulent Solar Wind. Physical Review Letters, 126(12), article no. 125101.

Hush, P.; Chapman, S. C.; Dunlop, M. W. and Watkins, N. W. (2015). Robust statistical properties of the size of large burst events in AE. Geophysical Research Letters, 42(21) pp. 9197–9202.

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Leamon, Robert J.; McIntosh, Scott W.; Chapman, Sandra C. and Watkins, Nicholas W. (2021). Response to “Limitations in the Hilbert Transform Approach to Locating Solar Cycle Terminators” by R. Booth. Solar Physics, 296, article no. 151.

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McIntosh, Scott W.; Chapman, Sandra; Leamon, Robert J.; Egeland, Ricky and Watkins, Nicholas W. (2020). Overlapping Magnetic Activity Cycles and the Sunspot Number: Forecasting Sunspot Cycle 25 Amplitude. Solar Physics, 295(12) p. 163.

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Palyulin, Vladimir V; Blackburn, George; Lomholt, Michael A; Watkins, Nicholas W.; Metzler, Ralf; Klages, Rainer and Chechkin, Aleksei V (2019). First passage and first hitting times of Lévy flights and Lévy walks. New Journal of Physics, 21(10), article no. 103028.

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Shepherd, Theodore G.; Boyd, Emily; Calel, Raphael A.; Chapman, Sandra C.; Dessai, Suraje; Dima-West, Ioana M.; Fowler, Hayley J.; James, Rachel; Maraun, Douglas; Martius, Olivia; Senior, Catherine A.; Sobel, Adam H.; Stainforth, David A.; Tett, Simon F. B.; Trenberth, Kevin E.; van den Hurk, Bart J. J. M.; Watkins, Nicholas; Wilby, Robert L. and Zenghelis, Dimitri A. (2018). Storylines: an alternative approach to representing uncertainty in physical aspects of climate change. Climatic Change, 151(3-4) pp. 555–571.

Stainforth, David A; Chapman, Sandra C and Watkins, Nicholas W (2013). Mapping climate change in European temperature distributions. Environmental Research Letters, 8 034031.

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Tindale, E.; Chapman, S. C.; Moloney, N. R. and Watkins, N. W. (2018). The dependence of solar wind burst size on burst duration and its invariance across solar cycles 23 and 24. Journal of Geophysical Research: Space Physics, 123(9) pp. 7196–7210.

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Watkins, N. W. (2019). Mandelbrot's stochastic time series models. Earth and Space Science, 6(11) pp. 2044–2056.

Watkins, Nicholas W. (2018). (A)phantasia and severely deficient autobiographical memory: Scientific and personal perspectives. Cortex, 105 pp. 41–52.

Watkins, Nicholas W. (2017). On the continuing relevance of Mandelbrot’s non-ergodic fractional renewal models of 1963 to 1967. The European Physical Journal B, 90(12), article no. 241.

Watkins, Nicholas W.; Pruessner, Gunnar; Chapman, Sandra C.; Crosby, Norma B. and Jensen, Henrik J. (2016). 25 Years of Self-organized Criticality: Concepts and Controversies. Space Science Reviews, 198(1) pp. 3–44.

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) pp. 402–410.

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