Search Results - "Pasko, V. P."

Terrestrial gamma ray flashes with energies up to 100 MeV produced by nonequilibrium acceleration of electrons in lightning by Celestin, Sebastien, Xu, Wei, Pasko, V. P.

“…Using Monte Carlo models simulating energetic electrons in inhomogeneous electric field and the transport of energetic photons in the Earth's atmosphere, we…”
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Elve doublets and compact intracloud discharges by Marshall, R. A., da Silva, C. L., Pasko, V. P.

“…We present evidence of ionospheric optical signatures of lightning, known as elves, which sometimes occur in pairs separated in time by ∼80–160 μs. We…”
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Comparison of acceleration, expansion, and brightness of sprite streamers obtained from modeling and high-speed video observations by Liu, N. Y., Pasko, V. P., Adams, K., Stenbaek-Nielsen, H. C., McHarg, M. G.

“…We compare sprite streamer modeling results with high‐speed video recordings of sprites made with 50‐μs temporal resolution. Both the modeling results and the…”
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Sprites produced by quasi-electrostatic heating and ionization in the lower ionosphere by Pasko, V. P., Inan, U. S., Bell, T. F., Taranenko, Y. N.

“…Quasi‐electrostatic (QE) fields that temporarily exist at high altitudes following the sudden removal (e.g., by a lightning discharge) of thundercloud charge…”
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Relativistic electron beams above thunderclouds by Füllekrug, M., Roussel-Dupré, R., Symbalisty, E. M. D., Colman, J. J., Chanrion, O., Soula, S., van der Velde, O., Odzimek, A., Bennett, A. J., Pasko, V. P., Neubert, T.

“…Non-luminous relativistic electron beams above thunderclouds have been detected by the radio signals of low frequency ∼40–400 kHz which they radiate. The…”
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Effects of photoionization on propagation and branching of positive and negative streamers in sprites by Liu, Ningyu, Pasko, Victor P.

“…Modeling studies indicate that double‐headed streamers originating from single electron avalanches in lightning‐driven quasi‐static electric fields at…”
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A two-dimensional model of runaway electron beams driven by quasi-electrostatic thundercloud fields by Lehtinen, N. G., Bell, T. F., Pasko, V. P., Inan, U. S.

“…Intense, transient quasi‐electrostatic (QE) fields, which exist above thunderclouds following a positive cloud‐to‐ground lightning discharge, can produce an…”
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Fractal structure of sprites by Pasko, Victor P., Inan, Umran S., Bell, Timothy F.

“…A large scale model of sprites based on a phenomenological probabilistic approach to modeling of streamer corona discharges is developed. The model utilizes…”
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Physical Processes Related to Discharges in Planetary Atmospheres by Roussel-Dupré, R., Colman, J. J., Symbalisty, E., Sentman, D., Pasko, V. P.

“…This paper focuses on the rudimentary principles of discharge physics. The kinetic theory of electron transport in gases relevant to planetary atmospheres is…”
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Infrared glow above thunderstorms? by Picard, R. H., Inan, U. S., Pasko, V. P., Winick, J. R., Wintersteiner, P. P.

“…Sustained heating of lower ionospheric electrons by thundercloud fields, as recently suggested by Inan et al. [1996], may lead to the production of enhanced…”
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Atmospheric physics Electric jets by Pasko, Victor P

“…Although cloud-to-ground lightning is a familiar disruption in the modern electronic world, lightning formed above the clouds is also an important factor in…”
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Breaking of thunderstorm-generated gravity waves as a source of short-period ducted waves at mesopause altitudes by Snively, Jonathan B., Pasko, Victor P.

“…Numerical simulation results indicate that the breaking of atmospheric gravity waves generated by tropospheric convection can excite short‐period secondary…”
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Electrical discharge from a thundercloud top to the lower ionosphere by Pasko, Victor P, Stanley, Mark A, Mathews, John D, Inan, Umran S, Wood, Troy G

“…For over a century, numerous undocumented reports have appeared about unusual large-scale luminous phenomena above thunderclouds and, more than 80 years ago,…”
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Sprite Streamers Imaged at Different Exposure Times by Ningyu Liu, Pasko, V. P., Stenbaek-Nielsen, H. C., McHarg, M. G.

“…This paper investigates the appearance of sprite streamer discharges imaged at different exposure times. Both observational and modeling results are presented…”
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Three-dimensional modeling of blue jets and blue starters by Pasko, Victor P., George, Jeremy J.

“…Blue jets and blue starters are considered as positive streamer coronas expanding from the streamer zones of conventional lightning leaders under conditions…”
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Spatial structure of sprites by Pasko, Victor P., Inan, Umran S., Bell, Timothy F.

“…A theory of the electrical breakdown (EB) above thunderstorms is developed. The streamer type of the EB is proposed for the explanation of recent observations…”
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Diffuse and streamer regions of sprites by Pasko, Victor P., Stenbaek-Nielsen, Hans C.

“…The observed altitude stratification in large number of sprite events, exhibiting a sharp transition between the upper diffuse and lower streamer regions, is…”
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UPWARD ELECTRICAL DISCHARGES FROM THUNDERSTORM TOPS by Lyons, Walter A., Nelson, Thomas E., Armstrong, Russell A., Pasko, Victor P., Stanley, Mark A.

“…A variety of storm top electrical discharges have been observed using several types of low-light imagers, film, and the human eye. Recently, a video recorded…”
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Mechanism of ELF radiation from sprites by Pasko, Victor P., Inan, Umran S., Bell, Timothy F., Reising, Steven C.

“…Charge and current systems associated with sprites constitute a part of the large scale atmospheric electric circuit, providing a context for physical…”
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Mesosphere-troposphere coupling due to sprites by Pasko, Victor P., Inan, Umran S., Bell, Timothy F.

“…Results from a new three‐dimensional fractal model of sprites as well as recent experimental data on thundercloud charge moment changes associated with sprites…”
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