Marine air and surface seawater pCO2 data 1. File (csv format) (Sea water) pco2_sea_mr07-04.csv pco2_sea_mr07-06.csv (Air) pco2_air_mr07-04.csv pco2_air_mr07-06.csv File format: Column 1: Date (Year/Month/Day) Column 2: Time in UTC (Hour:Min.:Sec.) Column 3: Latitude (- for S) Column 4: Longitude (+180 for W) Column 5: Air temperature (degrees C) Column 6: Pressure (hPa) Column 7: Wind direction (degrees) Column 8: Wind speed (m/s) Column 9: Sea surface temperature (degrees C) Column 10: Sea surface salinity Column 11: xCO2 in dry air (ppm) (corrected for warming for seawater sample) Column 12: pCO2 at sea surface temperature (uatm) (corrected for warming for seawater sample) 2. Contact Akihiko Murata Institute of Observational Research for Global Change Japan Agency for Marine-Earth Science and Technology 2-15, Natsushima, Yokosuka, Kanagawa, Japan 237-0061 e-mail: akihiko.murata@jamstec.go.jp