Identification of the temperature gradient instability as the source of decameter-scale ionospheric irregularities on plasmapause field lines

Geophysical Research Letters

Volumn 33, Issue 18, 2006, Pages

  Greenwald, Raymond A ^a   Oksavik, Kjellmar ^a   Erickson, Philip J ^b   Lind, Frank D ^b   Ruohoniemi, J Michael ^a   Baker, Joseph B H ^a   Gjerloev, Jesper W ^a  

^a JOHNS HOPKINS UNIVERSITY   (United States)

^b MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC TURBULENCE; CARRIER CONCENTRATION; DOPPLER RADAR; ELECTRON TEMPERATURE; THERMAL GRADIENTS; IONOSPHERE; RADAR; TEMPERATURE;

IONOSPHERIC IRREGULARITIES; PLASMAPAUSE; TEMPERATURE GRADIENT INSTABILITY;

IONOSPHERE; IONOSPHERIC MEASUREMENT;

AURORA; DOPPLER RADAR; ELECTRON DENSITY; IONOSPHERE; MAGNETOSPHERE; TEMPERATURE GRADIENT;

NORTH AMERICA; UNITED STATES; VIRGINIA; WALLOPS ISLAND;

AURORAL IONOSPHERE; DOPPLER VELOCITY; EXPERIMENTAL CONFIRMATION; INCOHERENT SCATTER RADAR; IONOSPHERIC IRREGULARITIES; MIDLATITUDES; PLASMAPAUSE; TURBULENT CASCADE;

EID: 34547943973     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2006GL026581     Document Type: Article

References (10)

1. Chen, F. F. (1984), Introduction to Plasma Physics and Controlled Fusion, vol. 1, Plasma Physics, 2nd ed., pp. 218-223, Elsevier, New York.
2. Cornwall, J. M., F. V. Coroniti, and R. M. Thorne (1971), Unified theory of SAR arc formation at the plasmapause, J. Geophys. Res., 76, 4428.
3. Gurnett, D. A., G. W. Pfeiffer, R. R. Anderson, S. R. Mosier, and D. P. Cauffman (1969), Initial observations of VLF electric and magnetic fields with the Injun 5 spacecraft, J. Geophys. Res., 74, 4631.
4. Hudson, M. K., and M. C. Kelley (1976), The temperature gradient instability at the equatorward edge of the ionospheric plasma trough, J. Geophys. Res., 81, 3913-3918.
5. Kelley, M. C. (1972), Relationship between electrostatic turbulence and spread-F, J. Geophys. Res., 77, 1327-1329.
6. Oksavik, K., R. A. Greenwald, J. M. Ruohoniemi, M. R. Hairston, L. J. Paxton, J. B. H. Baker, J. W. Gjerloev, and R. J. Barnes (2006), First observations of the temporal/spatial variation of the sub-auroral polarization stream from the SuperDARN Wallops HF radar, Geophys. Res. Lett., 33, L12104, doi:10.1029/2006GL026256.
7. Oksman, J., H. G. Moeller, and R. Greenwald (1979), Comparison between strong HF backscatter and VHF radar aurora, Radio Sci., 14, 1121-1133.
8. Reid, G. C. (1968), The formation of small-scale irregularities in the ionosphere, J. Geophys. Res., 73, 1627.
9. Ruohoniemi, J. M., R. A. Greenwald, J.-P. Villain, K. B. Baker, P. T. Newell, and C.-I. Meng (1988), Coherent HF radar backscatter from small-scale irregularities in the dusk sector of the subauroral ionosphere, J. Geophys. Res., 93, 12,871-12,882.
10. Yizengaw, E., and M. B. Moldwin (2005), The altitude extension of the mid-latitude trough and its correlation with plasmapause position, Geophys. Res. Lett., 32, L09105, doi:10.1029/2005GL022854.