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Deng Y, Sheng C, Su YJ, Hairston MR, Knipp D, Huang CY, Ober D, Redmon RJ, Coley R. Correlation between Poynting flux and soft electron precipitation in the dayside polar cap boundary regions. JOURNAL OF GEOPHYSICAL RESEARCH. SPACE PHYSICS 2015; 120:9102-9109. [PMID: 27812438 PMCID: PMC5066343 DOI: 10.1002/2015ja021075] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 09/21/2015] [Accepted: 09/22/2015] [Indexed: 05/31/2023]
Abstract
Observations have revealed large Poynting flux and soft electron precipitation around the cusp region, which have strong impacts on the polar ionosphere/thermosphere. Simulations also confirmed that Poynting flux and soft electron precipitation significantly change the neutral density and dynamics around the dayside polar cap boundary regions. However, no detailed study has been conducted to show if they should coincide with each other or not. Our analysis of Defense Meteorological Satellite Program (DMSP) satellite data reveals a complex correlation between them. Poynting flux and soft particle precipitation are coincident in some cases (match cases), but a clear displacement between them can also be identified in others (nonmatch cases). In the 29 cusp crossings from F13 we investigated, the ratio between nonmatch and match cases is close to 1:4. In nonmatch cases, the displacement between the Poynting flux enhancement and soft particle precipitation enhancement can be as large as 1° in geomagnetic latitude.
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Affiliation(s)
- Yue Deng
- Department of Physics University of Texas at Arlington Arlington Texas USA
| | - Cheng Sheng
- Department of Physics University of Texas at Arlington Arlington Texas USA
| | - Yi-Jiun Su
- Space Vehicles Directorate Air Force Research Laboratory Albuquerque New Mexico USA
| | - Marc R Hairston
- Department of Physics University of Texas at Dallas Richardson Texas USA
| | - Delores Knipp
- Aerospace Engineering Sciences University of Colorado Boulder Boulder Colorado USA
| | - Cheryl Y Huang
- Space Vehicles Directorate Air Force Research Laboratory Albuquerque New Mexico USA
| | - Daniel Ober
- Space Vehicles Directorate Air Force Research Laboratory Albuquerque New Mexico USA
| | - Rob J Redmon
- National Oceanic and Atmospheric Administration Boulder Colorado USA
| | - Robin Coley
- Department of Physics University of Texas at Dallas Richardson Texas USA
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Min QL, Lummerzheim D, Rees MH, Stamnes K. Effects of a parallel electric field and the geomagnetic field in the topside ionosphere on auroral and photoelectron energy distributions. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/93ja01742] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Heppner JP, Liebrecht MC, Maynard NC, Pfaff RF. High-latitude distributions of plasma waves and spatial irregularities from DE 2 alternating current electric field observations. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/92ja01836] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Huang CY, Frank LA, Eastman TE. High-altitude observations of an intense inverted V event. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja089ia09p07423] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lyons L. Generation of large-scale regions of auroral currents, electric potentials, and precipitation by the divergence of the convection electric field. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja085ia01p00017] [Citation(s) in RCA: 332] [Impact Index Per Article: 27.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kamide Y, Murphree J, Anger C, Berkey F, Potemra T. Nearly simultaneous observations of field-aligned currents and visible auroras by the Triad and Isis 2 satellites. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja084ia08p04425] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Vondrak R, Robinson R. Inference of high-latitude ionization and conductivity from AE-C measurements of auroral electron fluxes. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja090ia08p07505] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Arnoldy RL, Lewis PB. Correlation of ground-based and topside photometric observations with auroral electron spectra measurements at rocket altitudes. ACTA ACUST UNITED AC 2012. [DOI: 10.1029/ja082i035p05563] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Kosch MJ, Yiu I, Anderson C, Tsuda T, Ogawa Y, Nozawa S, Aruliah A, Howells V, Baddeley LJ, McCrea IW, Wild JA. Mesoscale observations of Joule heating near an auroral arc and ion-neutral collision frequency in the polar capEregion. ACTA ACUST UNITED AC 2011. [DOI: 10.1029/2010ja016015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- M. J. Kosch
- Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
- Physics Department; Lancaster University; Lancaster UK
| | - I. Yiu
- Department of Physics and Astronomy; University College London; London UK
| | - C. Anderson
- Department of Physics; La Trobe University; Melbourne, Victoria Australia
| | - T. Tsuda
- Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
| | - Y. Ogawa
- National Institute of Polar Research; Tokyo Japan
| | - S. Nozawa
- Solar-Terrestrial Environment Laboratory; Nagoya University; Nagoya Japan
| | - A. Aruliah
- Department of Physics and Astronomy; University College London; London UK
| | - V. Howells
- Space Science and Technology Department; Rutherford Appleton Laboratory; Didcot UK
| | | | - I. W. McCrea
- Space Science and Technology Department; Rutherford Appleton Laboratory; Didcot UK
| | - J. A. Wild
- Physics Department; Lancaster University; Lancaster UK
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Lu G, Emery BA, Rodger AS, Lester M, Taylor JR, Evans DS, Ruohoniemi JM, Denig WF, de la Beaujardière O, Frahm RA, Winningham JD, Chenette DL. High-latitude ionospheric electrodynamics as determined by the assimilative mapping of ionospheric electrodynamics procedure for the conjunctive SUNDIAL/ATLAS 1/GEM period of March 28-29, 1992. ACTA ACUST UNITED AC 1996. [DOI: 10.1029/96ja00513] [Citation(s) in RCA: 46] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lyons LR, Walterscheid RL. Generation of auroral omega bands by shear instability of the neutral winds. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia12p12321] [Citation(s) in RCA: 35] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Emery BA, Roble RG, Ridley EC, Killeen TL, Rees MH, Winningham JD, Carignan GR, Hays PB, Heelis RA, Hanson WB, Spencer NW, Brace LH, Sugiura M. Thermospheric and ionospheric structure of the southern hemisphere polar cap on October 21, 1981, as determined from Dynamics Explorer 2 satellite data. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia07p06553] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Lanchester BS, Wallis DD. Magnetic field disturbances over auroral arcs observed from Spitsbergen. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/jb090ib03p02473] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Fuller-Rowell TJ. A two-dimensional, high-resolution, nested-grid model of the thermosphere: 2. Response of the thermosphere to narrow and broad electrodynamic features. ACTA ACUST UNITED AC 1985. [DOI: 10.1029/ja090ia07p06567] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Baumjohann W, Gustafsson G, Nielsen E, Ranta H, Evans D. Latitude-integrated Joule and particle heating rates during the Energy Budget Campaign. ACTA ACUST UNITED AC 1985. [DOI: 10.1016/0021-9169(85)90121-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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