P. Collis

发表

A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT

J. Hargreaves, P. Collis, G. White, 1996 .

A comparison of plasma densities by EISCAT and the Dynasonde from auroral altitudes: evidence of intense structure

J. Wright, T. S. Virdi, P. Collis, 1990 .

The high-latitude lower ionosphere observed by EISCAT

S. Kirkwood, P. Collis, 1987 .

Coherent echoes during EISCAT UHF Common Programmes

M. Rietveld, P. Collis, U. Løvhaug, 1996 .

EISCAT data base for ionospheric modelling: F-region and topside ionosphere

P. Collis, 1995 .

Development of the auroral absorption substorm: Studies of pre-onset phase and sharp onset using an extensive riometer network

J. Hargreaves, A. Ranta, H. Ranta, 1981 .

Southern hemisphere reference middle atmosphere

S. Kirkwood, P. Collis, 1987 .

Observations of a gradual transition between Ps 6 activity with auroral torches and surgelike pulsations during strong geomagnetic disturbances

B. Tsurutani, D. Evans, G. Kremser, 1988 .

Naturally enhanced ion acoustic waves in the auroral ionosphere observed with the EISCAT 933‐MHz radar

Michael T. Rietveld, J. St.‐Maurice, M. Rietveld, 1991 .

Eiscat radar observations of enhanced incoherent scatter spectra; Their relation to red aurora and field‐aligned currents

M. T. Rietveld, K. Kaila, M. Rietveld, 1991 .

Incoherent scatter spectral measurements of the summertime high-latitude D-region with the EISCAT UHF radar

E. Turunen, T. Turunen, P. Collis, 1988 .

Auroral radio absorption as an indicator of magnetospheric electrons and of conditions in the disturbed auroral D-region

J. Hargreaves, A. Korth, P. Collis, 1984 .

Loss cone fluxes and pitch angle diffusion at the equatorial plane during auroral radio absorption events

J. Hargreaves, A. Korth, P. Collis, 1983 .

Horizontal Extent and Vertical Motions of a Mid-Latitude Sporadic E-Layer Observed by EISCAT

T. Turunen, P. Collis, 1987 .

Gravity wave generation of simultaneous auroral sporadic-E layers and sudden neutral sodium layers

S. Kirkwood, P. Collis, 1989 .

An improved technique to determine neutral winds in the auroral mesosphere using the EISCAT VHF incoherent scatter radar

P. Collis, 1997 .

Discrete layers of D-region ionisation in the high-latitude ionosphere

S. Kirkwood, P. Collis, 1990 .

Ion composition changes during F-region density depletions in the presence of electric fields at auroral latitudes

I. Häggström, P. Collis, 1990 .

Plasma convection and auroral precipitation processes associated with the main ionospheric trough at high latitudes

I. Häggström, P. Collis, 1988 .

Calibration of electron densities for the EISCAT UHF radar

S. Kirkwood, P. Collis, W. Schmidt, 1986 .

What role does the F-region neutral wind play in auroral intensifications?

J. Murphree, D. Rees, P. Collis, 1988 .

Observations of atmospheric dynamics in the low- and middle mesosphere with the EISCAT incoherent scatter radar during solar proton events

J. Röttger, M. Rietveld, P. Collis, 1992 .

High time-resolution imaging of auroral arc deformation at substorm onset

Å. Steen, P. Collis, 1988 .

On the development of folds in auroral arcs

I. Häggström, Å. Steen, P. Collis, 1988 .

GEOS-2 observations of energetic electrons in the morning sector during auroral radio absorption events

A. Korth, P. Collis, 1985 .

Auroral radio absorption and the westward travelling surge

A. Korth, P. Collis, 1983 .

Mesospheric studies using the EISCAT UHF and VHF radars: a review of principles and experimental results

J. Röttger, P. Collis, 1990 .

D-region signatures of substorm growth phase and onset observed by EISCAT

S. Kirkwood, C. Hall, P. Collis, 1986 .

High-latitude ionospheric response to a geomagnetic sudden commencement

I. Häggström, P. Collis, 1990 .

High resolution measurements of the main ionospheric trough using EISCAT

I. Häggström, P. Collis, 1989 .

Optical detection of electrostatic ion cyclotron waves in the auroral plasma

P. Collis, P. Christiansen, M. Giles, 1977 .

Aspects of aquatic ecology of the Hawkesbury estuary. I. Hydrodynamical processes

E. Wolanski, P. Collis, 1976 .

Evidence of heavy positive ions at the summer Arctic mesopause from the EISCAT UHF incoherent scatter radar

E. Turunen, T. Turunen, P. Collis, 1988 .

The Hawkesbury Estuary from 1950 to 2050

P. Collis, 2014 .

Comparisons of EISCAT and dynasonde ionospheric measurements: simple to moderately structured plasma densities

J. Wright, T. S. Virdi, P. Collis, 1988 .

Co-ordinated studies using imaging riometer and incoherent scatter radar

J. Hargreaves, P. Collis, 1997 .

EISCAT observations of the ionospheric D-region during auroral radio absorption events

J. Hargreaves, T. Devlin, P. Collis, 1986 .

Mesospheric observations with the EISCAT UHF radar during polar cap absorption events. I - Electron densities and negative ions

M. Rietveld, P. Collis, 1990 .

Joint imaging riometer—Incoherent scatter radar obser vations: A four-dimensional perspective on energetic particle input to the auroral mesosphere

J. Hargreaves, P. Collis, G. White, 1997 .

Mesospheric observations with the EISCAT UHF radar during polar cap absorption events. 2: Spectral measurements

M. Rietveld, P. Collis, 1993 .

Multi-experiment studies of summertime sporadic E-layers using EISCAT

P. Collis, 1990 .

The storm of 10 January 1997: electrodynamics ofthe high latitude e region from eiscat data

K. Schlegel, P. Collis, 1999 .

Experimental determination of effective recombination rates in the disturbed high latitude lower ionosphere

J. Hargreaves, A. Brekke, A. Korth, 1986 .

Turbulence scattering layers in the middle‐mesosphere observed by the EISCAT 224‐MHz radar

W. Hocking, J. Röttger, M. Rietveld, 1992 .

Mesospheric observations with the EISCAT UHF radar during polar cap absorption events: 3. Comparison with simultaneous EISCAT VHF measurements

M. Rietveld, P. Collis, 1998 .

The high latitude D-region and mesosphere revealed by the EISCAT incoherent scatter radars during solar proton events

P. Collis, 1996 .