Articles | Volume 19, issue 3
Atmos. Chem. Phys., 19, 2079–2093, 2019
https://doi.org/10.5194/acp-19-2079-2019

Special issue: Layered phenomena in the mesopause region (ACP/AMT inter-journal...

Atmos. Chem. Phys., 19, 2079–2093, 2019
https://doi.org/10.5194/acp-19-2079-2019

Research article 15 Feb 2019

Research article | 15 Feb 2019

Solar 27-day signatures in standard phase height measurements above central Europe

Christian von Savigny et al.

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This study investigates solar effects in radio reflection height observations in the ionospheric D region at an altitude of about 80 km at northern midlatitudes. The analyzed time series covers almost six solar cycles. Statistically significant solar 27-day and 11-year signatures are identified. However, the driving mechanisms are not fully understood. We also provide evidence for dynamical effects on the radio reflection heights with periods close to the solar rotational cycle.
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