Search Results - "Koskinen, H."

Properties and drivers of fast interplanetary shocks near the orbit of the Earth (1995-2013) by Kilpua, E. K. J., Lumme, E., Andreeova, K., Isavnin, A., Koskinen, H. E. J.

“…We present a comprehensive statistical analysis spanning over a solar cycle of the properties and drivers of traveling fast forward and fast reverse…”
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Unraveling the drivers of the storm time radiation belt response by Kilpua, E. K. J., Hietala, H., Turner, D. L., Koskinen, H. E. J., Pulkkinen, T. I., Rodriguez, J. V., Reeves, G. D., Claudepierre, S. G., Spence, H. E.

“…We present a new framework to study the time evolution and dynamics of the outer Van Allen belt electron fluxes. The framework is entirely based on the…”
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Supermagnetosonic subsolar magnetosheath jets and their effects: from the solar wind to the ionospheric convection by HIETALA, H, PARTAMIES, N, LAITINEN, T. V, CLAUSEN, L. B. N, FACSKO, G, VAIVADS, A, KOSKINEN, H. E. J, DANDOURAS, I, REME, H, LUCEK, E. A

“…It has recently been proposed that ripples inherent to the bow shock during radial interplanetary magnetic field (IMF) may produce local high speed flows in…”
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Supermagnetosonic jets behind a collisionless quasiparallel shock by Hietala, H, Laitinen, T V, Andréeová, K, Vainio, R, Vaivads, A, Palmroth, M, Pulkkinen, T I, Koskinen, H E J, Lucek, E A, Rème, H

“…The downstream region of a collisionless quasiparallel shock is structured containing bulk flows with high kinetic energy density from a previously…”
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On the relationship between interplanetary coronal mass ejections and magnetic clouds by Kilpua, E. K. J., Isavnin, A., Vourlidas, A., Koskinen, H. E. J., Rodriguez, L.

“…The relationship of magnetic clouds (MCs) to interplanetary coronal mass ejections (ICMEs) is still an open issue in space research. The view that all ICMEs…”
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Outer Van Allen Radiation Belt Response to Interacting Interplanetary Coronal Mass Ejections by Kilpua, E. K. J., Turner, D. L., Jaynes, A. N., Hietala, H., Koskinen, H. E. J., Osmane, A., Palmroth, M., Pulkkinen, T. I., Vainio, R., Baker, D., Claudepierre, S. G.

“…We study the response of the outer Van Allen radiation belt during an intense magnetic storm on 15–22 February 2014. Four interplanetary coronal mass ejections…”
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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, M, Milillo, M, Maggi, M, Roelof, E, Brandt, P, Szego, K, Winningham, J. D, Frahm, R. A, Scherrer, J, Sharber, J. R, Wurz, P, Bochsler, P

“…Venus, unlike Earth, is an extremely dry planet although both began with similar masses, distances from the Sun, and presumably water inventories. The high…”
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Magnetic field and dynamic pressure ULF fluctuations in coronal-mass-ejection-driven sheath regions by Kilpua, E. K. J., Hietala, H., Koskinen, H. E. J., Fontaine, D., Turc, L.

“…Compressed sheath regions form ahead of interplanetary coronal mass ejections (ICMEs) that are sufficiently faster than the preceding solar wind. The turbulent…”
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Magnetospheric modes and solar wind energy coupling efficiency by Pulkkinen, T. I., Palmroth, M., Koskinen, H. E. J., Laitinen, T. V., Goodrich, C. C., Merkin, V. G., Lyon, J. G.

“…Using observations and two different global MHD simulations, we demonstrate that the solar wind speed controls the magnetospheric response such that the higher…”
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The Analyzer of Space Plasmas and Energetic Atoms (ASPERA-3) for the Mars Express Mission by Barabash, S, Lundin, R, Andersson, H, Brinkfeldt, K, Grigoriev, A, Gunell, H, Holmstroem, M, Yamauchi, M, Asamura, K, Bochsler, P, Wurz, P, Cerulli-Irelli, R, Mura, A, Milillo, A, Maggi, M, Orsini, S, Coates, A J, Linder, DR, Kataria, DO, Curtis, C C, Hsieh, K C, Sandel, B R, Frahm, R A, Sharber, J R, Winningham, J D, Grande, M, Kallio, E, Koskinen, H, Riihelae, P, Schmidt, W, Saeles, T, Kozyra, JU, Krupp, N, Woch, J, Livi, S, Luhmann, J G, McKenna-Lawlor, S, Roelof, E C, Williams, D J, Sauvaud, J-A, Fedorov, A, Thocaven, J-J

“…The general scientific objective of the ASPERA-3 experiment is to study the solar wind – atmosphere interaction and to characterize the plasma and neutral gas…”
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Grad–Shafranov Reconstruction of Magnetic Clouds: Overview and Improvements by Isavnin, A., Kilpua, E. K. J., Koskinen, H. E. J.

“…The Grad–Shafranov reconstruction is a method of estimating the orientation (invariant axis) and cross section of magnetic flux ropes using the data from a…”
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Properties and geoeffectiveness of magnetic clouds in the rising, maximum and early declining phases of solar cycle 23 by HUTTUNEN, K. E. J, SCHWENN, R, BOTHMER, V, KOSKINEN, H. E. J

“…The magnetic structure and geomagnetic response of 73 magnetic clouds (MC) observed by the WIND and ACE satellites in solar cycle 23 are examined. The results…”
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Direct and indirect selection of visceral lipid weight, fillet weight, and fillet percentage in a rainbow trout breeding program by Kause, A, Paananen, T, Ritola, O, Koskinen, H

“…We assessed whether visceral lipid weight, fillet weight, and percentage fillet from BW, 3 traits laborious to record, could be genetically improved by…”
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Continuous reconnection line and pressure-dependent energy conversion on the magnetopause in a global MHD model by Laitinen, T. V., Palmroth, M., Pulkkinen, T. I., Janhunen, P., Koskinen, H. E. J.

“…We present results on magnetopause reconnection processes in the Gumics‐4 global MHD simulation model. The reconnection line on the magnetopause is identified…”
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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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Analysis of double-step response to an interplanetary shock in the dayside magnetosphere by Andreeova, K, Juusola, L, Kilpua, E K J, Koskinen, H E J

“…We present an analysis of double-step magnetic field enhancement caused by interplanetary (IP) shock impacts on the Earth's magnetosphere. The structures were…”
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Interpreting Solar EUV Wave Observations from Different Viewing Angles Using an MHD Model by Hoilijoki, S., Pomoell, J., Vainio, R., Palmroth, M., Koskinen, H. E. J.

“…We study the effect of projection and line-of-sight integration on the interpretation of the morphology and kinematics of EUV waves. We have performed a…”
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Ion distributions upstream and downstream of the Earth's bow shock: first results from Vlasiator by Pokhotelov, D., von Alfthan, S., Kempf, Y., Vainio, R., Koskinen, H. E. J., Palmroth, M.

“…A novel hybrid-Vlasov code, Vlasiator, is developed for global simulations of magnetospheric plasma kinetics. The code is applied to model the collisionless…”
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Solar Wind-Induced Atmospheric Erosion at Mars: First Results from ASPERA-3 on Mars Express by Lundin, R., Barabash, S., Andersson, H., Holmström, M., Grigoriev, A., Yamauchi, M., J. -A. Sauvaud, Fedorov, A., Budnik, E., J. -J. Thocaven, Winningham, D., Frahm, R., Scherrer, J., Sharber, J., Asamura, K., Hayakawa, H., Coates, A., Linder, D. R., Curtis, C., Hsieh, K. C., Sandel, B. R., Grande, M., Carter, M., Reading, D. H., Koskinen, H., Kallio, E., Riihela, P., Schmidt, W., Säles, T., Kozyra, J., Krupp, N., Woch, J., Luhmann, J., McKenna-Lawler, S., Cerulli-Irelli, R., Orsini, S., Maggi, M., Mura, A., Milillo, A., Roelof, E., Williams, D., Livi, S., Brandt, P., Wurz, P., Bochsler, P.

“…The Analyzer of Space Plasma and Energetic Atoms (ASPERA) on board the Mars Express spacecraft found that solar wind plasma and accelerated ionospheric ions…”
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In situ observations of particle acceleration in shock-shock interaction by Hietala, H., Agueda, N., Andréeová, K., Vainio, R., Nylund, S., Kilpua, E. K. J., Koskinen, H. E. J.

“…We use detailed multispacecraft observations to study the interaction of an interplanetary (IP) shock with the bow shock of the Earth on August 9–10, 1998. We…”
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