Skip to main content

Table 3 Slopes in %/(km/s) and intercepts in % of a linear fit to scatter plots of echo occurrence rate versus E × B magnitude for near noon observations

From: Occurrence of F region echoes for the polar cap SuperDARN radars

Density bin Spring slope/intercept Summer slope/intercept Fall slope/intercept Winter slope/intercept
\( N_{\text{e}} < 2 \times 10^{11} {\text{m}}^{ - 3} \) 8.7/16 30.6/14 21.3/17 − 10.3/39
\( 2 \le N_{\text{e}} < 3 \times 10^{11} {\text{m}}^{ - 3} \) 27.5/27 38.4/18 29.0/24 − 4.6/49
\( 3 \le N_{\text{e}} < 4 \times 10^{11} {\text{m}}^{ - 3} \) 20.3/36 29.2/31 24.9/33 1.7/53
\( N_{\text{e}} > 4 \times 10^{11} {\text{m}}^{ - 3} \) 17.2/40 17.2/40 20.8/37 9.5/48