Methane and carbon dioxide concentrations measured during POSEIDON cruise POS527, 2018-09-03

A gas inlet was installed at the bow of RV Poseidon.
Atmospheric gas concentrations of CH4 and CO2 were measured continuously with a Picarro G2301-f analyzer.
Concentrations are given as “ppmV in dry air”.

在海神号科考船（RV Poseidon）的船首安装了气体进气口。采用Picarro G2301-f型分析仪对大气中甲烷（CH4）与二氧化碳（CO2）的浓度进行连续监测。浓度以"干燥空气中的体积百万分浓度（ppmV）"标注。