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Common-volume measurement of sporadic sodium layer, sporadic E layer, and auroral ionization allow unique framework for evaluating E region dynamics
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Tested theories of sporadic sodium formation, results support the metallic ion neutralization mechanism
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Reduction in sodium density found to be causally related to auroral ionization.
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Heinselman, C.J., J.P. Thayer, and B.J. Watkins, A high-latitude observation of sporadic sodium and sporadic E layer formation, Geophys. Res. Lett. Vol. 25 , No. 16 , p. 3059, 1998.
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Heinselman, C.J., "Auroral effects on the gas phase chemistry of meteoric sodium", J. Geophys. Res., 105, D10, pp. 1218112192, 2000.
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