Assimilation of real-time riometer measurements into models of 30 MHz polar cap absorption | Journal of Space Weather and Space Climate

Open Access

Fig. 14.

Disc colours indicate absorption measured on riometers from the NORSTAR and SGO arrays on 15/7/2000 08:00 UT. Background colour represents (a) DRAP predictions, (b) DRAP modified with parameters m_n = 0.065, m_d = 0.022 found by regression to all riometers in the prior 30-min period.

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