Search Results - "KOZYRA, J."

Simulation of magnetic cloud erosion during propagation by Manchester IV, W. B., Kozyra, J. U., Lepri, S. T., Lavraud, B.

“…We examine a three‐dimensional (3‐D) numerical magnetohydrodynamic (MHD) simulation describing a very fast interplanetary coronal mass ejection (ICME)…”
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Impacts and adaptation of European crop production systems to climate change by Olesen, J.E., Trnka, M., Kersebaum, K.C., Skjelvåg, A.O., Seguin, B., Peltonen-Sainio, P., Rossi, F., Kozyra, J., Micale, F.

“…▶ Farmers in Europe are currently adapting to climate change by changing crops and management. ▶ The expected impacts of climate change are just as large in…”
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Heliospheric plasma sheet (HPS) impingement onto the magnetosphere as a cause of relativistic electron dropouts (REDs) via coherent EMIC wave scattering with possible consequences for climate change mechanisms by Tsurutani, B. T., Hajra, R., Tanimori, T., Takada, A., Remya, B., Mannucci, A. J., Lakhina, G. S., Kozyra, J. U., Shiokawa, K., Lee, L. C., Echer, E., Reddy, R. V., Gonzalez, W. D.

“…A new scenario is presented for the cause of magnetospheric relativistic electron decreases (REDs) and potential effects in the atmosphere and on climate…”
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Agroclimatic conditions in Europe under climate change by TRNKA, M, OLESEN, JØRGEN EIVIND, KERSEBAUM, K.C, SKJELVÅG, A.O, EITZINGER, J, SEGUIN, B, PELTONEN-SAINIO, P, RÖTTER, R, IGLESIAS, ANA, ORLANDINI, S, DUBROVSKÝ, M, HLAVINKA, P, BALEK, J, ECKERSTEN, H, CLOPPET, E, CALANCA, P, GOBIN, A, VUČETIĆ, V, NEJEDLIK, P, KUMAR, S, LALIC, B, MESTRE, A, ROSSI, F, KOZYRA, J, ALEXANDROV, V, SEMERÁDOVÁ, D, ŽALUD, Z

“…To date, projections of European crop yields under climate change have been based almost entirely on the outputs of crop-growth models. While this strategy can…”
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If the Sun is so quiet, why is the Earth ringing? A comparison of two solar minimum intervals by Gibson, S. E., Kozyra, J. U., de Toma, G., Emery, B. A., Onsager, T., Thompson, B. J.

“…Observations from the recent Whole Heliosphere Interval (WHI) solar minimum campaign are compared to last cycle's Whole Sun Month (WSM) to demonstrate that…”
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Dayside global ionospheric response to the major interplanetary events of October 29–30, 2003 “Halloween Storms” by Mannucci, A. J., Tsurutani, B. T., Iijima, B. A., Komjathy, A., Saito, A., Gonzalez, W. D., Guarnieri, F. L., Kozyra, J. U., Skoug, R.

“…We demonstrate extreme ionospheric response to the large interplanetary electric fields during the "Halloween" storms that occurred on October 29 and 30, 2003…”
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Earth's collision with a solar filament on 21 January 2005: Overview by Kozyra, J. U., Manchester IV, W. B., Escoubet, C. P., Lepri, S. T., Liemohn, M. W., Gonzalez, W. D., Thomsen, M. W., Tsurutani, B. T.

“…On 21 January 2005, one of the fastest interplanetary coronal mass ejections (ICME) of solar cycle 23, containing exceptionally dense plasma directly behind…”
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Enhanced NOx in 2006 linked to strong upper stratospheric Arctic vortex by Randall, C. E., Harvey, V. L., Singleton, C. S., Bernath, P. F., Boone, C. D., Kozyra, J. U.

“…Measurements from the Atmospheric Chemistry Experiment show pronounced downward transport of NOx (NO+NO2) to the Arctic stratosphere in Feb–Mar 2006. NOx…”
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Satellite observations of energy‐banded ions during large geomagnetic storms: Event studies, statistics, and comparisons to source models by Colpitts, C. A., Cattell, C. A., Kozyra, J. U., Thomsen, M. F., Lavraud, B.

“…Energy‐banded ions from tens to ten thousands of eV are observed in the low‐latitude auroral and subauroral zones during every large (minimum Dst < −150 nT)…”
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Author Correction: The loss of ions from Venus through the plasma wake by Barabash, S., Fedorov, A., Sauvaud, J. J., Lundin, R., Russell, C. T., Futaana, Y., Zhang, T. L., Andersson, H., Brinkfeldt, K., Grigoriev, A., Holmström, M., Yamauchi, M., Asamura, K., Baumjohann, W., Lammer, H., Coates, A. J., Kataria, D. O., Linder, D. R., Curtis, C. C., Hsieh, K. C., Sandel, B. R., Grande, M., Gunell, H., Koskinen, H. E. J., Kallio, E., Riihelä, P., Säles, T., Schmidt, W., Kozyra, J., Krupp, N., Fränz, M., Woch, J., Luhmann, J., McKenna-Lawlor, S., Mazelle, C., Thocaven, J.-J., Orsini, S., Cerulli-Irelli, R., Mura, A., Milillo, A., Maggi, M., Roelof, E., Brandt, P., Szego, K., Winningham, J. D., Frahm, R. A., Scherrer, J., Sharber, J. R., Wurz, P., Bochsler, P.

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High Speed Stream Properties and Related Geomagnetic Activity During the Whole Heliosphere Interval (WHI): 20 March to 16 April 2008 by Echer, E., Tsurutani, B. T., Gonzalez, W. D., Kozyra, J. U.

“…We study the interplanetary features and concomitant geomagnetic activity of the two high-speed streams (HSSs) selected by the Whole Heliosphere Interval (WHI)…”
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Solar filament impact on 21 January 2005: Geospace consequences by Kozyra, J. U., Liemohn, M. W., Cattell, C., De Zeeuw, D., Escoubet, C. P., Evans, D. S., Fang, X., Fok, M.-C., Frey, H. U., Gonzalez, W. D., Hairston, M., Heelis, R., Lu, G., Manchester IV, W. B., Mende, S., Paxton, L. J., Rastaetter, L., Ridley, A., Sandanger, M., Soraas, F., Sotirelis, T., Thomsen, M. W., Tsurutani, B. T., Verkhoglyadova, O.

“…On 21 January 2005, a moderate magnetic storm produced a number of anomalous features, some seen more typically during superstorms. The aim of this study is to…”
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Dominant role of the asymmetric ring current in producing the stormtime Dst by Liemohn, M. W., Kozyra, J. U., Thomsen, M. F., Roeder, J. L., Lu, G., Borovsky, J. E., Cayton, T. E.

“…Three storms are examined to determine the contribution to the Dst* index from the symmetric and asymmetric (partial) components of the ring current. The…”
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CAWSES November 7–8, 2004, superstorm: Complex solar and interplanetary features in the post-solar maximum phase by Tsurutani, Bruce T., Echer, Ezequiel, Guarnieri, Fernando L., Kozyra, J. U.

“…The complex interplanetary structures during 7 to 8 Nov 2004 are analyzed to identify their properties as well as resultant geomagnetic effects and the solar…”
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An investigation of the magnetosphere-ionosphere response to real and idealized co-rotating interaction region events through global magnetohydrodynamic simulations by Ilie, R., Liemohn, M. W., Kozyra, J., Borovsky, J.

“…This study investigates the role of interplanetary magnetic field (IMF) Bz fluctuations periodicity in the transfer of solar wind mass and energy to the…”
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Plasma Acceleration Above Martian Magnetic Anomalies by Lundin, R, Winningham, D, Barabash, S, Frahm, R, Holmström, M, Sauvaud, J.-A, Fedorov, A, Asamura, K, Coates, A. J, Soobiah, Y, Hsieh, K. C, Grande, M, Koskinen, H, Kallio, E, Kozyra, J, Woch, J, Fraenz, M, Brain, D, Luhmann, J, McKenna-Lawler, S, Orsini, R. S, Brandt, P, Wurz, P

“…Auroras are caused by accelerated charged particles precipitating along magnetic field lines into a planetary atmosphere, the auroral brightness being roughly…”
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Interplanetary fast forward shocks and their geomagnetic effects: CAWSES events by Echer, E., Tsurutani, B.T., Guarnieri, F.L, Kozyra, J.U.

“…The seven CAWSES interplanetary fast forward shocks and their geomagnetic effects during 2004–2005 have been analyzed. It is found that the arrival time of the…”
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Locations of Atmospheric Photoelectron Energy Peaks Within the Mars Environment by Frahm, R A, Sharber, J R, Winningham, J D, Wurz, P, Liemohn, M W, Kallio, E, Yamauchi, M, Lundin, R, Barabash, S, Coates, A J, Linder, DR, Kozyra, JU, Holmstroem, M, Jeffers, S J, Andersson, H, Mckenna-Lawler, S

“…By identifying peaks in the photoelectron spectrum produced by photoionization of CO2 in the Martian atmosphere, we have conducted a pilot study to determine…”
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Self-consistent model of magnetospheric ring current and propagating electromagnetic ion cyclotron waves: Waves in multi-ion magnetosphere by Khazanov, G. V., Gamayunov, K. V., Gallagher, D. L., Kozyra, J. U.

“…The further development of a self‐consistent theoretical model of interacting ring current ions and electromagnetic ion cyclotron waves (Khazanov et al., 2003)…”
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Intense space storms: Critical issues and open disputes by Daglis, I. A., Kozyra, J. U., Kamide, Y., Vassiliadis, D., Sharma, A. S., Liemohn, M. W., Gonzalez, W. D., Tsurutani, B. T., Lu, G.

“…This paper addresses the question of particular characteristics and causes of intense space storms. We focus on several unresolved issues, which are critical…”
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