Ground based in situ observations of online_gc at Zeppelin mountain (Ny-Ålesund) (NO0042G). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air)