Items where Author is "Orr, D."

Illingworth, E. and Taborn, E. and Fielding, D. and Cheesbrough, J. and Diggle, P. J. and Orr, D. (2011) Is closure of entire wards necessary to control norovirus outbreaks in hospital? : comparing the effectiveness of two infection control strategies. Journal of Hospital Infection, 79 (1). pp. 32-37. ISSN 0195-6701

Orr, D. and Zheng, W. and Campbell, B. S. and McDougall, B. M. and Seviour, R. J. (2009) Culture conditions affect the chemical composition of the exopolysaccharide synthesized by the fungus Aureobasidium pullulans. Journal of Applied Microbiology, 107 (2). pp. 691-698. ISSN 1364-5072

Menk, F.W. and Orr, D. and Cliverd, M.A. and Smith, A.J. and Waters, C.L. and Milling, D.K. and Fraser, B.J. (1999) Monitoring spatial and temporal variations in the dayside plasmasphere using geomagnetic field line resonances. Journal of Geophysical Research, 104 (A9). pp. 19955-19969. ISSN 0148-0227

Mathie, R.A. and Menk, F.W. and Mann, I.R. and Orr, D. (1999) Discrete field line resonances and the Alfvén continuum in the outer magnetosphere. Geophysical Research Letters, 26 (6). pp. 659-662. ISSN 0094-8276

Nosé, M. and Iyemori, T. and Takeda, M. and Kamei, T. and Milling, D.K. and Orr, D. and Singer, H.J. and Worthington, E.W. and Sumitomo, N. (1998) Automated detection of Pi 2 pulsations using wavelet analysis: 1. Method and an application for substorm monitoring. Earth, Planets and Space, 50 (9). pp. 773-783.

Chisham, G. and Orr, D. (1997) A statistical study of the local time asymmetry of Pc 5 ULF wave characteristics observed at midlatitudes by SAMNET. Journal of Geophysical Research, 102 (A11). pp. 24339-24350. ISSN 0148-0227

Araki, T. and Fujitani, S. and Yumoto, K. and Shiokawa, K. and Tsunomura, S. and Yamada, Y. and Ichinose, T. and Orr, D. and Milling, D.K. and Lühr, H. and Singer, H. and Rostoker, G. and Liu, C.F. (1997) Anomalous sudden commencement on March 24, 1991. Journal of Geophysical Research, 102 (A7). pp. 14075-14086. ISSN 0148-0227

Chisham, G. and Mann, I.R. and Orr, D. (1997) A statistical study of giant pulsation latitudinal polarisation and amplitude variation. Journal of Geophysical Research, 102 (A5). pp. 9619-9629. ISSN 0148-0227

Guglielmi, A. and Kangas, J. and Milling, D. and Orr, D. and Pokhotelov, O. (1997) Range finding of Alfvén oscillations and direction finding of ion-cyclotron waves by using the ground-based ULF finder. Annales Geophysicae, 15 (4). pp. 424-429. ISSN 0992-7689

Taylor, J.R. and Lester, M. and Yeoman, T.K. and Emery, B.A. and Knipp, D.J. and Orr, D. and Solovyev, S.I. and Hughes, T.J. and Lühr, H. (1997) The response of the magnetosphere to the passage of a coronal mass ejection on March 20-21 1990. Annales Geophysicae, 15 (6). pp. 671-684. ISSN 0992-7689

Petrinec, S.M. and Yumoto, K. and Lühr, H. and Orr, D. and Milling, D.K. and Hayashi, K. and Kokubun, S. and Araki, T. (1996) The CME event of february 21, 1994: Response of the magnetic field at the earth's surface. Journal of Geomagnetism and Geoelectricity, 48 (11). pp. 1341-1379.

Morelli, J.P. and Bunting, R.J. and Cowley, S.W.H. and Farrugia, C.J. and Freeman, M.P. and Friis-Christensen, E. and Jones, G.O.L. and Lester, M. and Lewis, R.V. and Lühr, H. and Orr, D. and Pinnock, M. and Reeves, G.D. and Williams, P.J.S. and Yeoman, T.K. (1995) Radar observations of auroral zone flows during a multiple onset substorm. Annales Geophysicae, 13 (11). pp. 1144-1163. ISSN 0992-7689

Chisham, G. and Orr, D. and Yeoman, T.K. and Milling, D.K. and Lester, M. and Davies, J.A. (1995) The polarization of Pc5 ULF waves around dawn: A possible ionospheric conductivity gradient effect. Annales Geophysicae, 13 (2). pp. 159-167. ISSN 0992-7689

Cramoysan, M. and Bunting, R. and Orr, D. (1995) The use of a model current wedge in the determination of the position of substorm current systems. Annales Geophysicae, 13 (6). pp. 583-594. ISSN 0992-7689

Yeoman, T.K. and Freeman, M.P. and Reeves, G.D. and Lester, M. and Orr, D. (1994) A comparison of mid-latitude Pi2 pulsations and geostationary orbit particle injections as substorm indicators. Journal of Geophysical Research, 99 (A3). pp. 4085-4093. ISSN 0148-0227

Yeoman, T.K. and Lester, M. and Coles, S. and Grandé, M. and Perry, C.H. and Friedel, R.W.H. and Pinnock, M. and Orr, D. and Lühr, H. and Singer, H. and Smith, P.N. (1994) CRRES/ground-based multi-instrument observations of an interval of substorm activity. Annales Geophysicae, 12 (12). pp. 1158-1173. ISSN 0992-7689

Chisham, G. and Orr, D. (1994) The association between giant pulsations (Pgs) and the auroral oval. Annales Geophysicae, 12 (7). pp. 649-654. ISSN 0992-7689

Krauklis, I.C. and Orr, D. (1994) The effects of ionospheric phase mixing on a distributed shear Alfvén ULF pulsation. Annales Geophysicae, 12 (2/3). pp. 188-194. ISSN 0992-7689

Morelli, J.P. and Bunting, R.J. and Cowley, S.W.H. and Farrugia, C.J. and Freeman, M.P. and Friis-Christensen, E. and Jones, G.O.L. and Lester, M. and Lewis, R.V. and Lühr, H. and Orr, D. and Pinnock, M. and Reeves, G.D. and Williams, P.J.S. and Yeoman, T.K. (1993) Plasma flow bursts in the nightside auroral zone ionosphere and their relation to geomagnetic activity. Advances in Space Research, 13 (4). pp. 135-138. ISSN 0273-1177

Chisham, G. and Orr, D. and Yeoman, T.K. (1992) Observations of a giant pulsation across an extended array of ground magnetometers and on auroral radar. Planetary and Space Science, 40 (7). pp. 953-964. ISSN 0032-0633

Yeoman, T.K. and Lester, M. and Milling, D.K. and Orr, D. (1991) Polarisation, propagation and MHD wave modes of Pi2 pulsations: SABRE/SAMNET results. Planetary and Space Science, 39 (7). pp. 983-998. ISSN 0032-0633

Chisham, G. and Orr, D. (1991) Statistical studies of giant pulsations (Pg's): Harmonic mode. Planetary and Space Science, 39 (7). pp. 999-1006. ISSN 0032-0633

Chisham, G. and Orr, D. and Taylor, M.J. and Lühr, H. (1990) The magnetic and optical signature of a Pg pulsation. Planetary and Space Science, 38 (11). pp. 1443-1456. ISSN 0032-0633

Yeoman, T.K. and Lester, M. and Orr, D. and Lühr, H. (1990) Ionospheric boundary conditions of hydromagnetic waves: The dependence on azimuthal wavenumber and a case study. Planetary and Space Science, 38 (10). pp. 1315-1325. ISSN 0032-0633

Yeoman, T.K. and Milling, D.K. and Orr, D. (1990) Pi2 pulsation polarisation patterns on the UK sub-auroral magnetometer network (SAMNET). Planetary and Space Science, 38 (5). pp. 589-602. ISSN 0032-0633

Yeoman, T.K. and Orr, D. and Pedersen, A. (1990) Ground-satellite correlations and geostationary orbit energy flow at substorm onset. Planetary and Space Science, 38 (2). pp. 241-253. ISSN 0032-0633

Yeoman, T.K. and Orr, D. (1989) Phase and spectral power of mid-latitude Pi2 pulsations: Evidence for a plasmaspheric cavity resonance. Planetary and Space Science, 37 (11). pp. 1367-1383. ISSN 0032-0633

Taylor, M.J. and Chisham, G. and Orr, D. (1989) Pulsating auroral forms and their association with geomagnetic giant pulsations. Planetary and Space Science, 37 (11). pp. 1477-1484. ISSN 0032-0633