TY - JOUR A1 - Grant, A. A1 - Witham, C. S. A1 - Simmonds, P. G. A1 - Manning, A. J. A1 - O'Doherty, S. T1 - A 15 year record of high-frequency, in situ measurements of hydrogen at Mace Head, Ireland JO - Atmos. Chem. Phys. Discuss. J1 - ACPD VL - 9 IS - 5 SP - 20195 EP - 20227 Y1 - 2009/09/25 PB - Copernicus Publications SN - 1680-7375 UR - http://www.atmos-chem-phys-discuss.net/9/20195/2009/ L1 - http://www.atmos-chem-phys-discuss.net/9/20195/2009/acpd-9-20195-2009.pdf DO - 10.5194/acpd-9-20195-2009 ER -