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Akademický článek

Propagation properties of Rossby waves for latitudinal β-plane variations of f and zonal variations of the shallow water speed

Autor: C. T. Duba, J. F. McKenzie

Publikováno v: Annales Geophysicae, Vol 30, Pp 849-855 (2012)

Using the shallow water equations for a rotating layer of fluid, the wave and dispersion equations for Rossby waves are developed for the cases of both the standard β-plane approximation for the latitudinal variation of the Coriolis parameter f an

Externí odkaz: https://doaj.org/article/028833f684f84b89a7a18930b86fbac5

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Review of the Proceedings of the Special Session of the Sixty-First Annual Congress of the South African Mathematical Society in Honour of James Fairley McKenzie (1938–2015)

Autor: C. T. Duba, D. P. Mason

Publikováno v: Transactions of the Royal Society of South Africa. 75:95-101

James Fairley McKenzie, who was a professor of applied mathematics at the University of Natal from 1981 to 1998, would have been 80 in May 2018. A Special Session was held in his honour at the Annu...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4ac3bde5bd3da26481b33e7895352417
https://doi.org/10.1080/0035919x.2019.1680457

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Soret and Dufour effects on thermohaline convection in rotating fluids

Autor: C. T. Duba, Mahesha Narayana, Precious Sibanda, M. Shekar

Publikováno v: Geophysical & Astrophysical Fluid Dynamics. 110:317-347

Using linear and weakly nonlinear stability theory, the effects of Soret and Dufour parameters are investigated on thermohaline convection in a horizontal layer of rotating fluid, specifically the ocean. Thermohaline circulation is important in mixin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::43fc46a9abbd03d34430fbafeba1dc29
https://doi.org/10.1080/03091929.2016.1183668

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Rossby wave Green’s functions in an azimuthal wind

Autor: C. T. Duba, Q. Hu, G. M. Webb

Publikováno v: Geophysical & Astrophysical Fluid Dynamics. 110:224-258

Green's functions for Rossby waves in an azimuthal wind are obtained, in which the stream-function $\psi$ depends on $r$, $\phi$ and $t$, where $r$ is cylindrical radius and $\phi$ is the azimuthal angle in the $\beta$-plane relative to the easterly

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dfc37abf435cd357e6fad367a391ad8e
https://doi.org/10.1080/03091929.2016.1165810

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Rossby wave patterns in zonal and meridional winds

Autor: T. B. Doyle, J. F. McKenzie, C. T. Duba

Publikováno v: Geophysical & Astrophysical Fluid Dynamics. 108:237-257

The propagation properties of Rossby waves in zonal and meridional winds are analyzed using the local dispersion relation in its wave number form, the geometry of which plays a crucial role in illuminating radiation patterns and ray trajectories. In

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea9105e8f34fcc11b1e73d8f3efd50a4
https://doi.org/10.1080/03091929.2013.867604

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Neutral current and day night measurements from the pure D2O phase of SNO

Autor: B. C. Robertson, J. R. Leslie, M. Dunford, Eric B. Norman, J. B. Wilhelmy, T. Kutter, J. Manor, J. Farine, S. D. Biller, C. W. Nally, T. V. Bullard, A. S. Hamer, D. R. Grant, Guthrie Miller, S. J. Brice, James R. Wilson, E. W. Beier, P. J. Harvey, J. Cameron, C. E. Okada, J. F. Wilkerson, E. D. Hallman, X. Chen, W. J. Heintzelman, S. R. Elliott, R. G. Stokstad, David A. Sinclair, J. A. Formaggio, P. Jagam, Reda Tafirout, Christopher C. M. Kyba, M. W. Smith, C. J. Virtue, Ilan Levine, H. B. Mak, R. G. Van de Water, N. Starinsky, G. Doucas, P. Skensved, G. T. Ewan, K. K. Schaffer, G. A. Cox, K. Kazkaz, M. M. Fowler, F. Dalnoki-Veress, M. G. Bowler, C. K. Hargrove, K. Graham, S. M. Oser, P. T. Keener, S. S.E. Rosendahl, S. Majerus, John L. Orrell, Hal Evans, W. Frati, S. Luoma, B. T. Cleveland, W. B. Handler, D. L. Wark, K. T. Lesko, N. Tagg, E. D. Earle, N. Gagnon, Y.D. Chan, K. M. Heeger, A. Hime, Mark Guy Boulay, X. Dai, J. J. Simpson, R. L. Hahn, R. Hazama, Minfang Yeh, J. A. Dunmore, N. A. Jelley, K. Frame, A. L. Hallin, M. Howe, J. M. Wouters, Peter Wittich, A. B. McDonald, N. McCauley, A. D. Marino, R. Van Berg, H. Fergani, M. L. Chen, I. Lawson, A. J. Noble, Jochen Klein, V. L. Rusu, J. Maneira, A. W. P. Poon, F. A. Duncan, R. G. H. Robertson, M. R. Dragowsky, T. Spreitzer, T.J. Bowles, G. McGregor, Chris Waltham, L. C. Stonehill, R. L. Helmer, M. H. Schwendener, J. Law, C. J. Sims, J. Heise, C. A. Duba, N. West, P. J. Doe

The Sudbury Neutrino Observatory is a 1000 T D 2 O Cerenkov detector that is sensitive to 8 B solar neutrinos. The energy, radius, and direction with respect to the sun is measured for each neutrino event; these distributions are used to separately d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9deccdffd94e025096ad01f12224448b
https://doi.org/10.1016/s0920-5632(03)01298-2

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Constraints on nucleon decay via invisible modes from the Sudbury Neutrino Observatory

Autor: X. Chen, H. Wan Chan Tseung, H. Labranche, D. L. Wark, F. Dalnoki-Veress, A. D. Marino, B. C. Robertson, N. McCauley, R. L. Helmer, G. Doucas, R. Van Berg, R. G. H. Robertson, J. B. Wilhelmy, T. Kutter, M. G. Bowler, I. Levine, M. L. Chen, Monica Dunford, S. S.E. Rosendahl, Chris Waltham, C. J. Virtue, S. J. Brice, A. W. P. Poon, J. A. Dunmore, R. L. Hahn, R. W. Ollerhead, C. W. Nally, G. McGregor, P. Jagam, K.K.S. Miknaitis, J. M. Wouters, S. Majerus, P. Skensved, X. Dai, J. F. Wilkerson, R. G. Van de Water, Joshua R. Klein, N. Gagnon, Reda Tafirout, N. Starinsky, Darren Grant, Alain Bellerive, R. S. Dosanjh, R. Lange, Mark Neubauer, W. Frati, S. N. Ahmed, R. Hazama, E. D. Earle, E. Rollin, W. B. Handler, H. B. Mak, T. J. Bowles, Andrew Hime, J. R. Wilson, Guthrie Miller, M. W.E. Smith, F. A. Duncan, M. A. Howe, A. B. McDonald, Christopher C. M. Kyba, R. MacLellan, M. A. Thomson, J. Heise, S. D. Biller, J. R. Leslie, B. A. Moffat, Bernie G. Nickel, J. Boger, F. Fleurot, M. H. Schwendener, B. T. Cleveland, Malcolm M. Fowler, N. S. Oblath, A. E. Anthony, N. West, A. V. Krumins, C. A. Duba, S. Luoma, Joseph A. Formaggio, C. Ouellet, Minfang Yeh, C. E. Okada, P. J. Harvey, W. J. Heintzelman, S. R. Elliott, O. Simard, David A. Sinclair, G. T. Ewan, I. T. Lawson, G. Tešić, A. L. Hallin, C. Mifflin, S. J. M. Peeters, N. A. Jelley, M. Thorman, D. Waller, V. L. Rusu, J. C. Hall, J. Law, M. R. Dragowsky, G. A. Cox, K. T. Lesko, L. C. Stonehill, J. Farine, C. J. Sims, C. K. Hargrove, A. J. Noble, T. V. Bullard, R. J. Hemingway, Kai Zuber, H. Fergani, J. Maneira, M. Kos, A. S. Hamer, Hal Evans, E. W. Beier, S. McGee, R. G. Stokstad, B. L. Wall, Peter Wittich, Eric B. Norman, E. D. Hallman, P. J. Doe, Y. Takeuchi, J. J. Simpson, Yuen-Dat Chan, K. Graham, S. M. Oser, M.G. Boulay, B. G. Fulsom, K. Frame, K. M. Heeger, John L. Orrell

Data from the Sudbury Neutrino Observatory have been used to constrain the lifetime for nucleon decay to ``invisible'' modes, such as n -> 3 nu. The analysis was based on a search for gamma-rays from the de-excitation of the residual nucleus that wou

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8525431d817d249ff4626595f68b3668
https://doi.org/10.1103/physrevlett.92.102004

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SEARCHES FOR HIGH-FREQUENCY VARIATIONS IN THE B-8 SOLAR NEUTRINO FLUX AT THE SUDBURY NEUTRINO OBSERVATORY

Autor: E. D. Hallman, G. Prior, Benjamin Monreal, E. D. Earle, P. J. Doe, S. J. M. Peeters, K. J. Keeter, T. Tsui, F. A. Duncan, P. Skensved, M. DiMarco, K. Boudjemline, Yuen-Dat Chan, J. M. Wouters, J. Heise, S. Habib, K. Graham, X. Dai, S. M. Oser, J. A. Detwiler, Keith Rielage, H. Wan Chan Tseung, M. L. Miller, A. B. McDonald, R. D. Martin, Andrew Hime, I. Levine, Jocelyn Monroe, Alain Bellerive, D. L. Wark, R. J. Ford, T. J. Sonley, R. L. Hahn, H. Fergani, R. G. H. Robertson, M. H. Schwendener, R. MacLellan, Monica Dunford, J. Maneira, B. Beltran, Mark Guy Boulay, Bei Cai, David A. Sinclair, C. A. Duba, F. Zhang, J. Law, D. Chauhan, Peter Watson, B. Jamieson, A. W. P. Poon, Christopher C. M. Kyba, P.-L. Drouin, N. Tolich, C. B. Krauss, N. S. Oblath, B. Aharmim, T.H. Burritt, Kai Zuber, C. D. Tunnell, A. L. Hallin, R. L. Helmer, B. Morissette, J. A. Secrest, I. T. Lawson, C. Kraus, B. T. Cleveland, S. R. Seibert, D. Waller, G. A. Cox, R. A. Ott, N. West, W. J. Heintzelman, K. T. Lesko, J. R. Wilson, M. Kos, A. Wright, O. Simard, E. W. Beier, B.A. VanDevender, L. C. Stonehill, C. Howard, J. Farine, A. J. Noble, C. J. Virtue, B. C. Robertson, G. Doucas, E. Guillian, T. Kutter, N. Barros, Joseph A. Formaggio, Minfang Yeh, J. C. Loach, N. A. Jelley, Hal Evans, S. D. Reitzner, S. N. Ahmed, Joshua R. Klein, M. Bergevin, N. McCauley, R. Van Berg, M. L. Chen, S. Majerus, L. L. Kormos, G. T. Ewan, N. Gagnon, R. Hazama, G. D. Orebi Gann, H. Deng, B. L. Wall, H. M. O'Keeffe, H. B. Mak, S. McGee, S. D. Biller, Bernie G. Nickel, P. J. Harvey, J. F. Wilkerson, Steven Elliott, M. A. Howe, M. Huang, G. Tešić, J. R. Leslie, F. Fleurot, A. E. Anthony, J. Tm. Goon

We have performed three searches for high-frequency signals in the solar neutrino flux measured by the Sudbury Neutrino Observatory (SNO), motivated by the possibility that solar $g$-mode oscillations could affect the production or propagation of sol

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7a565760970b0aea6abf3a64d2576bb
https://doi.org/10.1088/0004-637x/710/1/540

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Sudbury neutrino observatory neutral current detectors signal readout system

Autor: J. F. Wilkerson, A. W. Myers, T. D. Van Wechel, R. G. H. Robertson, L. C. Stonehill, M. A. Howe, Keith Rielage, G. A. Cox, S. McGee, B. L. Wall, C. A. Duba

Publikováno v: IEEE Transactions on Nuclear Science. 51:2227-2230

Two precise measurements of the /sup 8/B solar neutrino flux have been made at the Sudbury Neutrino Observatory (SNO) and a third measurement will be made with an array of neutral current detectors (NCD). The NCDs are /sup 3/He proportional counters

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3c39e415ead87bfadf09e4429bf559b
https://doi.org/10.1109/tns.2004.836148

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