Cross-field gradients: general concept, importance of multi-spacecraft measurements and study at 1 AU of the source intensity gradient for E>30 keV solar event electrons P. A. Chaizy Original articles Pages: 263 - 276
Detection of zero anisotropy at 5.2 AU during the November 1998 solar particle event: Ulysses Anisotropy Telescopes observations S. DallaA. Balogh Original articles Pages: 277 - 284
Semiannual and annual variations in the height of the ionospheric F2-peak H. RishbethK. J. F. Sedgemore-SchulthessT. Ulich Original articles Pages: 285 - 299
Global empirical wind model for the upper mesosphere/lower thermosphere. I. Prevailing wind Y. I. PortnyaginT. V. Solovjova Original articles Pages: 300 - 315
Wavelet analysis on transient behaviour of tidal amplitude fluctuations observed by meteor radar in the lower thermosphere above Bulgaria D. PanchevaP. Mukhtarov Original articles Pages: 316 - 331
Total ozone decrease in the Arctic after REP events V. C. RolduginM. I. BeloglazovG. F. Remenets Original articles Pages: 332 - 336
IMPACT: an implicit time integration scheme for chemical species and families G. D. CarverP. A. Stott Original articles Pages: 337 - 346
Interannual signals in length of day and atmospheric angular momentum R. Abarca del RioD. GambisD. A. Salstein Original articles Pages: 347 - 364
The WELSONS experiment: overview and presentation of first results on the surface atmospheric boundary-layer in semiarid Spain J.-P. FrangiD. C. Richard Original articles Pages: 365 - 384
Statistical distributions of water content and sizes for clouds above Europe R. P. H. Berton Original articles Pages: 385 - 397