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1

Phenomena in the ionosphere-magnetosphere system induced by injection of powerful HF radio waves into nightside auroral ionosphere

by N. F. Blagoveshchenskaya, T. D. Borisova, V. A. Kornienko, B. Thidé, M. T. Rietveld, M. J. Kosch, T. Bösinger
Published in Annales Geophysicae (2005)
“...Experimental results from three ionospheric HF pumping experiments in overdense E or F regions...”

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2

Is there a hole in the topside, equatorial ionosphere?

by D. Gallagher
Published in Results in Physics (2016)
“...A paper in 2000 (Huba, 2000) found a depression in electron density in the topside ionosphere near...”

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3

Signatures of mesospheric particles in ionospheric data

by M. Friedrich, K. M. Torkar, W. Singer, I. Strelnikova, M. Rapp, S. Robertson
Published in Annales Geophysicae (2009)
“...The state of the ionosphere during the 2007 ECOMA/MASS campaign is described by in-situ...”

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4

History of the Tromsø ionosphere heating facility

by M. T. Rietveld, P. Stubbe
Published in History of Geo- and Space Sciences (2022)
“...We present the historical background of the construction of a major ionospheric heating facility...”

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5

The spatial structure of the dayside ionospheric trough

by S. E. Pryse, L. Kersley, M. J. Williams, I. K. Walker
Published in Annales Geophysicae (1998)
“... of ionospheric electron density at polar latitudes. The method, which involves monitoring radio transmissions...”

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6

EISCAT verification in the development of ionospheric tomography

by I. K. Walker, J. A. T. Heaton, L. Kersley, C. N. Mitchell, S. E. Pryse, M. J. Williams
Published in Annales Geophysicae (1996)
“... in the development of tomographic techniques to produce images of ionospheric electron density. A brief review...”

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7

Artificial periodic irregularities in the auroral ionosphere

by M. T. Rietveld, E. Turunen, H. Matveinen, N. P. Goncharov, P. Pollari
Published in Annales Geophysicae (1996)
“...Artificial periodic irregularities (API) are produced in the ionospheric plasma by a powerful...”

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8

Probing discrete auroral arcs by ionospheric tomography

by J. Moen, S. T. Berry, L. Kersley, B. Lybekk
Published in Annales Geophysicae (1998)
“...-layer electron density respectively seen in images reconstructed by ionospheric tomography. Results from...”

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9

Influence of the ionosphere on the altitude of discrete auroral arcs

by C. S. Deehr, M. H. Rees, A. E. H. Belon, G. J. Romick, D. Lummerzheim
Published in Annales Geophysicae (2005)
“... region of the ionosphere. Thus, the behavior is consistent with the concept that the mean auroral...”

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10

The global climatology of the intensity of the ionospheric sporadic E layer

by B. Yu, X. Xue, X. Yue, C. Yang, C. Yu, X. Dou, B. Ning, L. Hu
Published in Atmospheric Chemistry and Physics (2019)

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Select result number 11
11

The response of ionospheric convection in the polar cap to substorm activity

by M. Lester, M. Lockwood, T. K. Yeoman, S. W. H. Cowley, H. Lühr, R. Bunting, C. J. Farrugia
“... radar operated in the SP-UK-POLI mode measuring ionospheric convection at latitudes 71°λ-78°&#x03...”

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12

The response of ionospheric convection in the polar cap to substorm activity

by M. Lester, M. Lockwood, T. K. Yeoman, S. W. H. Cowley, H. Lühr, R. Bunting, C. J. Farrugia
Published in Annales Geophysicae (1995)
“... radar operated in the SP-UK-POLI mode measuring ionospheric convection at latitudes 71°λ-78°&#x03...”

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13

Geometric aspects of HF driven Langmuir turbulence in the ionosphere

by E. Mjølhus, E. Helmersen, D. F. DuBois
Published 2003
“...The geometric aspects of HF-generated Langmuir turbulence in the ionosphere and its detection...”

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14

Calibration of a numerical ionospheric model with EISCAT observations

by P.-L. Blelly, J. Lilensten, A. Robineau, J. Fontanari, D. Alcaydé
Published in Annales Geophysicae (1996)
“... of the ionosphere. The data gathered in the period 1200- 2400 UT on 24 March 1995 had various intervals of interest...”

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15

A comparison of EISCAT and Dynasonde measurements of the auroral ionosphere

by K. J. F. Sedgemore, P. J. S. Williams, G. O. L. Jones, J. W. Wright
Published in Annales Geophysicae (1996)
“...Incoherent-scatter radar and ionospheric sounding are powerful and complementary techniques...”

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16

Relative drift between black aurora and the ionospheric plasma

by E. M. Blixt, M. J. Kosch, J. Semeter
Published in Annales Geophysicae (2005)
“... with the source electron population in the magnetosphere, black auroras in the ionosphere should drift eastward...”

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17

The variability of Joule heating, and its effects on the ionosphere and thermosphere

by A. S. Rodger, G. D. Wells, R. J. Moffett, G. J. Bailey
Published in Annales Geophysicae (2001)
“...-latitude thermosphere-ionosphere system as a result of Joule heating, the consequences of which are very...”

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18

Ionospheric signatures during a magnetospheric flux rope event

by L. Juusola, O. Amm, H. U. Frey, K. Kauristie, R. Nakamura, C. J. Owen, V. Sergeev, J. A. Slavin, A. Walsh
Published in Annales Geophysicae (2008)
“... FR during the recovery phase. In the conjugate ionospheric region in Northern Fennoscandia...”

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19

Simultaneous observations at different altitudes of ionospheric backscatter in the eastward electrojet

by S. E. Milan, M. Lester
Published in Annales Geophysicae (1998)
“...A common feature of evening near-range ionospheric backscatter in the CUTLASS Iceland radar field...”

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20

The ionospheric response to flux transfer events: the first few minutes

by A. S. Rodger, M. Pinnock
Published in Annales Geophysicae (1997)
“... to explore the evolution of the ionospheric response during the first few minutes after enhanced reconnection...”

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