Surface underway measurements of partial pressure of carbon dioxide (pCO2) in water and atmosphere, sea surface temperature, sea surface salinity and barometric pressure obtained during the R/V Kronprins Haakon cruise in the South Atlantic Ocean, Southern Ocean and Drake Passage from 2019-01-12 to 2019-02-22 (NCEI Accession 0249143)

This dataset includes surface underway measurements of partial pressure of carbon dioxide (pCO2) in water and atmosphere, sea surface temperature, sea surface salinity and barometric pressure collected during the R/V Kronprins Haakon cruise in the South Atlantic Ocean, Southern Ocean and Drake Passage from 2019-01-12 to 2019-02-22. A General Oceanics (GO) pCO2 system (model 8050) was used for pCO2 measurements. The system is described in detail in Pierrot (2009). Surface water is pumped continuously from the intake to the equilibrator. The equilibrator contains a water spray head, and as the water flows through it the dissolved CO2 equilibrates with the headspace. The headspace is dried and xCO2 is determined by an infrared sensor. Calculations were performed following Pierrot (2009).

本数据集包含2019年1月12日至2019年2月22日期间，“哈康王储号”（R/V Kronprins Haakon）科考船在南大西洋、南大洋及德雷克海峡航次中采集的水体与大气二氧化碳分压（partial pressure of carbon dioxide, pCO₂）、海表温度、海表盐度与大气压强的表层走航观测数据。本次二氧化碳分压测量采用通用海洋学（General Oceanics, GO）8050型pCO₂测量系统，该系统的详细技术说明参见Pierrot（2009）。表层海水通过取水装置持续泵入平衡器，平衡器内置喷水头，水流流经该装置时，溶解态二氧化碳与顶空气体达到气液平衡。顶空气体经干燥处理后，通过红外传感器测定xCO₂浓度。数据计算流程严格遵循Pierrot（2009）所述方法。