Search Results - "COLLIS, P. N"

The storm of 10 January 1997: electrodynamics of the high latitude E region from EISCAT data by Schlegel, K, Collis, P N

“…E region electrodynamic parameters like conductivities, currents and Joule heating rates have been derived from incoherent scatter measurements (EISCAT) during…”
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Mesospheric observations with the EISCAT UHF radar during polar cap absorption events : 3. Comparison with simultaneous EISCAT VHF measurements by COLLIS, P. N, RIETVELD, M. T

“…Mesospheric observations were obtained by the EISCAT UHF and VHF radars during the solar proton event of March 1990. We present the first comparison of…”
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A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT by COLLIS, P. N, HARGREAVES, J. K, WHITE, G. P

“…An isolated region of energetic electron precipitation observed near local noon in the auroral zone has been investigated using imaging riometer (IRIS) and…”
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EISCAT data base for ionospheric modelling: F-region and topside ionosphere by Collis, P.N.

“…The EISCAT incoherent scatter radar system has now been providing long-term observations of the highlatitude ionosphere for more than a decade. Regular…”
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The high latitude D-region and mesosphere revealed by the EISCAT incoherent scatter radars during solar proton events by Collis, P.N.

“…Energetic protons precipitating into the polar atmosphere during solar proton events cause increased ionisation rates at mesospheric heights, producing a…”
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Joint imaging riometer-incoherent scatter radar observations: a four-dimensional perspective on energetic particle input to the auroral mesosphere by Collis, P N, Hargreaves, J K, Howarth, W G, White, G P

“…The application of the cosmic noise absorption technique using riometers has markedly improved in recent years with the introduction of systems with multiple…”
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Horizontal Extent and Vertical Motions of a Mid-Latitude Sporadic E-Layer Observed by EISCAT by Collis, P N, Turunen, T

“…A long lasting, widespread sporadic E-layer has been observed by the EISCAT radar during an experiment employing extensive latitudinal scans. The event lasted…”
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A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT by Collis, P. N., Hargreaves, J. K., White, G. P.

“…An isolated region of energetic electron precipitation observed near local noon in the auroral zone has been investigated using imaging riometer (IRIS) and…”
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Coherent echoes during EISCAT UHF Common Programmes by Rietveld, M.T., Collis, P.N., vanEyken, A.P., Løvhaug, U.P.

“…Coherent echoes, whatever their origin, appear as narrow spectra superimposed on the normal incoherent scatter spectra recorded by the EISCAT UHF and VHF…”
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Mesospheric observations with the EISCAT UHF radar during polar cap absorption events. Part 3: Comparison with simultaneous EISCAT VHF measurements by Collis, P N, Rietveld, M T

“…Mesospheric observations were obtained by the EISCAT UHF and VHF radars during the solar proton event of March 1990. We present the first comparison of…”
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Joint imaging riometer-incoherent scatter radar observations - A four-dimensional prespective on energetic particle input to the auroral mesosphere by Collis, P N, Hargreaves, J K, Howarth, W G, White, G P

“…The capabilities of simultaneous observations of energetic particle effects in the D-region by incoherent scatter radar and imaging radiometer are illustrated…”
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