On the mechanism of X-ray production by dart leaders of lightning flashes

Journal of Atmospheric and Solar-Terrestrial Physics

Volumn 72, Issue 11-12, 2010, Pages 848-855

  Cooray, Vernon ^a   Dwyer, Joseph ^b   Rakov, V ^c   Rahman, Mahbubur ^a  

^a UPPSALA UNIVERSITY   (Sweden)

^b Florida Institute of Technology ^*  (United States)

^c J Crayton Pruitt Family Department of Biomedical Engineering   (United States)

Author keywords

Dart leaders; Lightning; Triggered lightning; X rays

Indexed keywords

CHANNEL TEMPERATURE; COLD ELECTRONS; CRITICAL TEMPERATURES; DART-LEADER CURRENTS; ELEVATED TEMPERATURE; ENERGY DEPENDENT; FRICTIONAL FORCES; GAS DENSITY; LIGHTNING FLASHES; MEV ENERGY; RETURN STROKE; SPACE AND TIME; TRIGGERED LIGHTNING; X-RAY GENERATION;

ATMOSPHERIC PRESSURE; ELECTRIC FIELD MEASUREMENT; ELECTRIC FIELDS; ELECTRONS; LIGHTNING; MATHEMATICAL TECHNIQUES; X RAYS;

ATMOSPHERIC TEMPERATURE;

EID: 77953687810     PISSN: 13646826     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.jastp.2010.04.006     Document Type: Article

References (19)

1. Cooray V. A model for dart leaders in lightning flashes. J. Atmos. Elec. 1996, 16:145-159.
2. Cooray V., Becerra M., Rakov V. On the electric field at the tip of dart leaders in lightning flashes. J. Atmos. Sol. Terr. Phys. 2009, 71(12):1397-1404.
3. Cooray, V., Arevalo L., Rahman M., Dwyer J., Rassoul H., 2009b. On the possible origin of X-rays in long laboratory sparks. J. Atmos. Sol. Terr. Phys. 71 (17-18), 1890-1898.
4. Cooray V., Rakov V., Theethayi N. The lightning striking distance-revisited. J. Electrostat. 2007, 65:296-306.
5. Dwyer J.R., Uman M.A., Rassoul H.K., Al-Dayeh M., Caraway L., Jerauld J., Rakov V.A., Jordan D.M., Rambo K.J., Corbin V., Wright B. Energetic radiation produced during rocket triggered lightning. Science 2003, 299:694-697.
6. Dwyer J.R. Implication of X-ray emission from lightning. Geophys. Res. Lett. 2004, 31:L12102. 10.1029/2004GL019795.
7. Dwyer J.R., Uman M.A., Rassoul H.K., Rakov V.A., Al-Dayeh M., Caraway E.L., Wright B., Jerauld J., Jordan D.M., Rambo K.J., Chrest A., Smyth C. Measurements of x-ray emission from rocket-triggered lightning. Geophys. Res. Lett. 2004, 31:L05118. 10.1029/2003GL018770.
8. Dwyer J.R., Uman M.A., Rassoul H.K., Rakov V.A., Al-Dayeh M., Caraway E.L., Wright B., Jerauld J., Jordan D.M., Rambo K.J., Chrest A., Kozak E. X-ray bursts associated with leader steps in cloud-to-ground lightning. Geophys. Res. Lett. 2005, 32:L01803. 10.1029/2004GL021782.
9. Gurevich A.V., Milikh G.M., Roussel-Dupre R. Runaway electron mechanism of air breakdown and preconditioning during a thunderstorm. Phys. Lett. A 1992, 165:463-468.
10. Jordan D.M., Idone V.P., Rakov V.A., Uman M.A., Beasley W.H., Jurenka H. Observed dart leader speed in natural and triggered lightning. J. Geophys. Res. 1992, 97(D9):9951-9957.
11. Jordan D.M., Rakov V.A., Besley W.H., Uman M.A. Luminosity characteristics of dart leaders and return strokes in natural lightning. J. Geophys. Res. 1997, 102:22,025-22,032.
12. Kodali V., Rakov V.A., Uman M.A., Rambo K.J., Schnetzer G.H., Schoene J., Jerauld J. Triggered-lightning properties inferred from measured currents and very close electric fields. Atmos. Res. 2005, 76(1-4):355-376.
13. Moore C.B., Eack K.B., Aulich G.D., Rison W. Energetic radiation associated with lightning stepped-leaders. Geophys. Res. Lett. 2001, 28(11):2141-2144.
14. Moss G.D., Pasko V.P., Liu N., Veronis G. Monte Carlo model for analysis of thermal runaway electrons in streamer tips in transient luminous events and streamer zones of lightning leaders. J. Geophys. Res. 2006, 111:A02307.
15. Orville R.E., Idone V.P. Lightning leader characteristics in the thunderstorm research international program (TRIP). J. Geophys. Res. 1982, 87(C13):11,177-11,192.
16. Rakov V.A. Some inferences on the propagation mechanisms of dart leaders and return strokes. J. Geophys. Res. 1998, 103:1879-1887.
17. Saleh, Z., Dwyer, J., Howard, J., Uman, M., Bakhtiari, M., Concha, D., Stapleton, M., Hill, D., Biagi, C., Rassoul, H., 2009. Properties of the X-ray emission from rocket-triggered lightning as measured by the thunderstorm energetic radiation array. J. Geophys. Res., D17210, doi: 10.1029/2008JDO11618.
18. Uman M.A., Voshall R.E. Time interval between lightning strokes and the initiation of dart leaders. J. Geophys. Res. 1968, 73:94-103.
19. Wang D., Rakov V.A., Uman M.A., Takagil N., Watanabe T., Crawford D.E., Rambo K.J., Schnetzer G.H., Fisher R.J., Kawasaki Z.I. Attachment process in rocket-triggered lightning strokes. J. Geophys. Res. 1999, 104(D2):2143-2150.