Measurements of atmospheric and oceanic methane and carbon dioxide, and oceanic organosulfur compounds, aerosols and ammonia made during the Poseidon 211 research cruise in the North Atlantic during September 1995

The cruise began on 31st August 1995 and ended on 11 September 1995 with a spatial coverage of +65 to +39 latitude and -10 to -32 longitude.

The data consists of: -34 measurements of dimethylsulphoxide (DMSO) per unit volume of the water column (dissolved plus reactive particulate) by enzyme digestion, purging, cryogenic trapping and gas chromatography. -34 measurements of dimethylsulphoniopropionate (DMSP) per unit volume of the water column (dissolved plus reactive particulate) by Millipore prefiltration and gas chromatography. -35 measurements of dimethylsulphoniopropionate (DMSP) per unit volume of the water column (particulate) by Millipore prefiltration and gas chromatography. -44 measurements of dimethylsulphoniopropionate (DMSP) per unit volume of the water column (dissolved plus reactive particulate phase) by gas chromatography. -37 measurements of dimethyl sulphide (DMS) per unit volume of the water column (dissolved plus reactive particulate) by Millipore prefiltration purging, cryogenic trapping and gas chromatography. -70 measurements of dimethyl sulphide (DMS) per unit volume of the water column (dissolved plus reactive particulate phase) by purging, cryogenic trapping and gas chromatography. -34 measurements of methane (CH4) per unit volume of the water column (dissolved plus reactive particulate phase) by gas chromatography -34 measurements of methane (CH4) concentration (v/v) per unit volume of the atmosphere by gas chromatography. -34 measurements of partial pressure of carbon dioxide (pCO2) in the water column by gas chromatography. -30 measurements of partial pressure of carbon dioxide (pCO2) in the atmosphere by gas chromatography. -5 measurements of concentration of ammonia (NH3) per unit volume of the atmosphere (gaseous phase) by filtration with acid impregnated filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of ammonia (NH3) per unit volume of the atmosphere (gaseous phase) by filtration with acid impregnated filter and flow-injection gas diffusion. -5 measurements of concentration of dimethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration of ethyamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration of monomethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration of ammonium per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration of trimethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of dimethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of ethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of monomethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of ammonium per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion. -5 measurements of concentration standard deviation of trimethylamine per unit volume of the atmosphere (particulate phase) by filtration with Teflon filter and flow-injection gas diffusion.