Carbon monoxide (CO) and ethane (C(2)H(6)) trends from groundbased solar FTIR measurements at six European stations, comparison and sensitivity analysis with the EMEP model

Mellqvist J.; Simpson D.; Jonson, J. E., Blumenstock, T., Borsdorff, T., Duchatelet, P., Forster, F., Hase, F., Mahieu, E., De Mazière, M., Notholt, J., Petersen, A. K., Raffalski, U., Servais, C., Sussmann, R., Warneke, T., and Vigouroux, C.