Items where Author is "Birch, M. J."

Hargreaves, J. K. and Birch, M. J. and Bromage, B. J. I. (2007) D- and E-region effects in the auroral zone during a moderately active 24-h period in July 2005. Annales Geophysicae, 25 (8). pp. 1837-1849. ISSN 0992-7689

Hargreaves, J. K. and Birch, M. J. (2005) On the relations between proton influx and D-region electron densities during the polar-cap absorption event of 28-29 October 2003. Annales Geophysicae, 23 (10). pp. 3267-3276. ISSN 0992-7689

Birch, M. J. and Hargreaves, J. K. and Senior, Andrew and Bromage, B. J. I. (2005) Variations in cutoff latitude during selected solar energetic proton events. Journal of Geophysical Research, 110 (A7). A07221. ISSN 0148-0227

Birch, M. J. and Hargreaves, J. K. and Bailey, G. J. (2002) On the use of an effective ionospheric height in electron content measurement by GPS reception. Radio Science, 37 (1). 15/1-15/19. ISSN 0048-6604