Methane and carbon dioxide concentrations measured during POSEIDON cruise POS527, 2018-08-30@en

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”.“海神号”（RV Poseidon）科考船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）和二氧化碳（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）”表示。