# # These data are freely available for use in education and research. If the data are used for scientific publication and/or presentation, it is necessary to get approval of the data provider in advance. Judging from the nature of the data usage, the data provider may require fair acknowledgement including co-authorship to the data user. # For technical reasons, the data may be revised without any notice. This data file must be obtained from the original data site and not be re-distributed. For more information, please contact with the data provider. # # CATEGORY: Atmospheric N2O measurement # STATION NAME : Syowa Station, Antarctica # LOCATION: 69.00 S, 39.58 E # CONTRIBUTOR: National Institute of Polar Research and Tohoku University # CONTACT PERSON: Daisuke Goto (goto.daisuke@nipr.ac.jp) # PARAMETER: N2O # COVERING PERIOD: 2019-01-16 2020-01-12 # DATA FREQUENCY: daily average # MEASUREMENT UNIT: ppb # MEASUREMENT METHOD: Off-Axis Integrated Cavity Output Spectroscopy (Los Gatos Researc, model N2O/CO-23r) # SAMPLING TYPE: continuous # MEASUREMENT SCALE: Tohoku University scale 2006 # REMARKS: date are shown in local time (UTC+3) # VERSION: 20210318 # year month day daily_mean(ppb) data_number standard_deviation(ppb) 2019 01 16 331.65 0.03 18 2019 01 17 331.66 0.04 24 2019 01 18 331.69 0.78 14 2019 01 19 331.54 0.47 24 2019 01 20 331.62 0.04 24 2019 01 21 331.98 0.46 24 2019 01 22 331.50 0.53 9 2019 01 24 331.74 0.01 2 2019 01 25 331.57 0.06 24 2019 01 26 331.56 0.03 24 2019 01 27 331.63 0.06 24 2019 01 28 331.64 0.07 24 2019 01 29 331.75 0.06 24 2019 01 30 331.72 0.04 24 2019 01 31 331.57 0.07 24 2019 02 01 331.46 0.04 24 2019 02 02 331.48 0.06 24 2019 02 03 331.47 0.04 24 2019 02 04 331.50 0.03 24 2019 02 05 331.40 0.04 24 2019 02 06 331.48 0.06 24 2019 02 07 331.46 0.03 24 2019 02 08 331.50 0.11 24 2019 02 09 331.66 0.08 24 2019 02 10 331.73 0.19 24 2019 02 11 331.49 0.04 24 2019 02 12 331.44 0.04 24 2019 02 13 331.34 0.08 24 2019 02 14 331.42 0.07 24 2019 02 15 331.32 0.06 24 2019 02 16 331.41 0.14 24 2019 02 17 331.58 0.04 24 2019 02 18 331.46 0.11 24 2019 02 19 331.18 0.10 24 2019 02 20 331.02 0.06 24 2019 02 21 331.18 0.10 24 2019 02 22 331.41 0.20 24 2019 02 23 331.31 0.11 24 2019 02 24 331.18 0.09 24 2019 02 25 331.22 0.12 24 2019 02 26 331.25 0.10 24 2019 02 27 331.17 0.10 24 2019 02 28 331.36 0.06 24 2019 03 01 331.29 0.04 24 2019 03 02 331.30 0.20 24 2019 03 03 331.34 0.08 24 2019 03 04 331.09 0.13 24 2019 03 05 331.32 0.09 24 2019 03 06 331.40 0.46 24 2019 03 07 331.26 0.16 24 2019 03 08 331.38 0.06 24 2019 03 09 331.40 0.12 24 2019 03 10 331.21 0.22 24 2019 03 11 331.45 0.13 24 2019 03 12 331.30 0.07 24 2019 03 13 331.22 0.26 24 2019 03 14 331.33 0.06 24 2019 03 15 331.27 0.07 24 2019 03 16 331.32 0.09 24 2019 03 17 331.29 0.06 24 2019 03 18 331.28 0.13 24 2019 03 19 331.27 0.07 24 2019 03 20 331.21 0.07 24 2019 03 21 331.47 0.38 24 2019 03 22 331.48 0.56 24 2019 03 23 331.18 0.15 24 2019 03 24 331.12 0.11 24 2019 03 25 331.25 0.03 24 2019 03 26 331.37 0.07 24 2019 03 27 331.28 0.05 24 2019 03 28 331.11 0.14 24 2019 03 29 331.43 0.18 24 2019 03 30 331.26 0.16 24 2019 03 31 331.39 0.08 24 2019 04 01 331.29 0.15 24 2019 04 02 331.17 0.07 24 2019 04 03 331.23 0.05 24 2019 04 04 331.11 0.08 24 2019 04 05 331.08 0.18 24 2019 04 06 331.48 0.18 24 2019 04 07 331.15 0.09 24 2019 04 08 331.01 0.08 24 2019 04 09 331.32 0.28 24 2019 04 10 331.05 0.21 24 2019 04 11 331.13 0.35 24 2019 04 12 331.04 0.14 24 2019 04 13 331.11 0.07 24 2019 04 14 331.16 0.09 24 2019 04 15 331.00 0.17 24 2019 04 16 330.96 0.08 24 2019 04 17 331.00 0.07 24 2019 04 18 331.24 0.11 24 2019 04 19 331.07 0.05 24 2019 04 20 331.06 0.05 24 2019 04 21 331.00 0.02 24 2019 04 22 330.98 0.03 24 2019 04 23 330.97 0.03 24 2019 04 24 331.00 0.03 24 2019 04 25 330.97 0.06 24 2019 04 26 330.98 0.05 24 2019 04 27 331.00 0.07 24 2019 04 28 331.04 0.03 24 2019 04 29 331.04 0.03 24 2019 04 30 330.96 0.05 24 2019 05 01 330.99 0.04 24 2019 05 02 330.95 0.05 24 2019 05 03 330.98 0.05 24 2019 05 04 330.94 0.09 24 2019 05 05 330.95 0.04 24 2019 05 06 330.90 0.03 24 2019 05 07 330.97 0.05 24 2019 05 08 330.96 0.05 24 2019 05 09 330.99 0.05 24 2019 05 10 330.95 0.10 24 2019 05 11 330.84 0.07 24 2019 05 12 330.98 0.05 24 2019 05 13 331.05 0.09 24 2019 05 14 330.92 0.07 24 2019 05 15 331.08 0.10 24 2019 05 16 331.03 0.21 24 2019 05 17 331.01 0.11 24 2019 05 18 330.94 0.13 24 2019 05 19 330.90 0.04 24 2019 05 20 330.95 0.05 24 2019 05 21 330.92 0.06 24 2019 05 22 331.02 0.06 24 2019 05 23 330.96 0.04 24 2019 05 24 330.76 0.09 24 2019 05 25 330.91 0.04 24 2019 05 26 330.95 0.04 24 2019 05 27 330.93 0.07 24 2019 06 04 330.97 0.11 10 2019 06 05 331.06 0.12 24 2019 06 06 331.00 0.18 24 2019 06 07 330.95 0.06 24 2019 06 08 330.96 0.05 24 2019 06 09 330.98 0.07 24 2019 06 10 331.10 0.03 24 2019 06 11 331.11 0.05 24 2019 06 12 331.17 0.03 24 2019 06 13 331.08 0.03 24 2019 06 14 331.04 0.06 24 2019 06 15 331.07 0.00 1 2019 06 16 331.09 0.05 24 2019 06 17 331.15 0.07 24 2019 06 18 331.06 0.02 24 2019 06 19 331.09 0.03 24 2019 06 20 331.15 0.11 24 2019 06 21 331.06 0.08 24 2019 06 22 331.06 0.09 24 2019 06 23 331.12 0.05 24 2019 06 24 331.07 0.07 24 2019 06 25 331.17 0.05 24 2019 06 26 331.19 0.04 24 2019 06 27 331.09 0.10 24 2019 06 28 331.11 0.06 24 2019 06 29 331.14 0.02 24 2019 06 30 331.12 0.04 24 2019 07 01 331.14 0.02 24 2019 07 02 331.11 0.02 24 2019 07 03 331.14 0.04 24 2019 07 04 331.13 0.04 24 2019 07 05 331.18 0.11 24 2019 07 06 331.16 0.02 24 2019 07 07 331.13 0.03 24 2019 07 08 331.18 0.79 24 2019 07 14 331.30 0.02 11 2019 07 15 331.22 0.03 24 2019 07 16 331.26 0.02 24 2019 07 17 331.23 0.03 24 2019 07 18 331.22 0.02 24 2019 07 19 331.26 0.02 24 2019 07 20 331.27 0.02 24 2019 07 21 331.28 0.08 7 2019 07 22 331.37 0.03 7 2019 07 23 331.23 0.19 24 2019 07 24 331.30 0.22 24 2019 07 25 331.25 0.11 24 2019 07 26 331.25 0.10 24 2019 07 27 331.30 0.03 24 2019 07 28 331.34 0.02 24 2019 07 29 331.36 0.03 24 2019 07 30 331.28 0.07 24 2019 07 31 331.35 0.10 24 2019 08 01 331.35 0.08 24 2019 08 02 331.29 0.04 24 2019 08 03 331.28 0.05 24 2019 08 04 331.37 0.06 24 2019 08 05 331.31 0.09 8 2019 08 07 331.47 0.08 15 2019 08 08 331.42 0.03 24 2019 08 09 331.37 0.05 24 2019 08 10 331.45 0.02 24 2019 08 11 331.40 0.06 24 2019 08 12 331.50 0.09 24 2019 08 13 331.41 0.05 24 2019 08 14 331.45 0.03 24 2019 08 15 331.48 0.08 24 2019 08 16 331.63 0.19 24 2019 08 17 331.39 0.05 24 2019 08 18 331.44 0.03 24 2019 08 19 331.43 0.02 24 2019 08 20 331.54 0.14 24 2019 08 21 331.60 0.11 24 2019 08 22 331.50 0.03 24 2019 08 23 331.48 0.03 24 2019 08 24 331.45 0.14 24 2019 08 25 331.66 0.13 24 2019 08 26 331.47 0.16 24 2019 08 27 331.46 0.04 24 2019 08 28 331.52 0.02 24 2019 08 29 331.53 0.04 24 2019 08 30 331.56 0.04 24 2019 08 31 331.54 0.04 24 2019 09 01 331.47 0.07 24 2019 09 02 331.66 0.22 24 2019 09 03 331.57 0.07 24 2019 09 04 331.51 0.19 24 2019 09 05 331.56 0.13 24 2019 09 06 331.50 0.05 24 2019 09 07 331.64 0.08 24 2019 09 08 331.66 0.10 24 2019 09 09 331.55 0.06 24 2019 09 10 331.59 0.05 24 2019 09 11 331.56 0.02 24 2019 09 12 331.57 0.03 24 2019 09 13 331.61 0.02 24 2019 09 14 331.45 0.30 24 2019 09 15 331.66 0.31 24 2019 09 16 331.59 0.04 24 2019 09 17 331.60 0.17 24 2019 09 18 331.72 0.07 24 2019 09 19 331.68 0.06 24 2019 09 20 331.66 0.04 24 2019 09 21 331.65 0.12 19 2019 09 24 331.73 0.04 15 2019 09 25 331.73 0.05 24 2019 09 26 331.68 0.03 24 2019 09 27 331.74 0.02 24 2019 09 28 331.69 0.03 24 2019 09 29 331.71 0.03 24 2019 09 30 331.64 0.04 24 2019 10 01 331.81 0.11 24 2019 10 02 331.75 0.03 24 2019 10 03 331.68 0.03 24 2019 10 04 331.67 0.11 24 2019 10 05 332.05 0.19 24 2019 10 06 331.69 0.06 24 2019 10 07 331.82 0.04 24 2019 10 08 331.80 0.09 24 2019 10 09 331.80 0.04 24 2019 10 10 331.85 0.03 24 2019 10 11 331.78 0.03 24 2019 10 12 331.77 0.07 24 2019 10 13 331.84 0.08 24 2019 10 14 331.78 0.22 24 2019 10 15 331.80 0.09 24 2019 10 16 332.02 0.07 24 2019 10 17 331.88 0.04 24 2019 10 18 331.90 0.07 21 2019 10 19 331.90 0.04 24 2019 10 20 331.83 0.07 24 2019 10 21 331.87 0.06 24 2019 10 22 331.91 0.04 24 2019 10 23 331.91 0.15 24 2019 10 24 331.84 0.10 24 2019 10 25 331.96 0.15 24 2019 10 26 331.98 0.03 24 2019 10 27 332.02 0.06 24 2019 10 28 331.95 0.03 24 2019 10 29 331.95 0.09 24 2019 10 30 332.00 0.19 24 2019 10 31 332.07 0.15 24 2019 11 01 331.95 0.15 24 2019 11 02 331.93 0.03 24 2019 11 03 331.88 0.08 24 2019 11 04 331.94 0.07 24 2019 11 05 331.86 0.03 24 2019 11 06 331.91 0.03 24 2019 11 07 331.92 0.03 24 2019 11 08 331.95 0.02 24 2019 11 09 331.99 0.04 24 2019 11 10 331.89 0.12 24 2019 11 11 331.95 0.10 24 2019 11 12 332.02 0.05 24 2019 11 13 331.85 0.14 24 2019 11 14 331.95 0.03 24 2019 11 15 331.95 0.02 24 2019 11 16 332.03 0.04 24 2019 11 17 331.91 0.16 24 2019 11 18 331.94 0.09 24 2019 11 19 331.99 0.05 24 2019 11 20 332.02 0.09 24 2019 11 21 331.99 0.03 24 2019 11 22 331.97 0.01 24 2019 11 23 331.98 0.03 24 2019 11 24 332.00 0.13 24 2019 11 25 331.86 0.09 24 2019 11 26 331.99 0.05 24 2019 11 27 331.98 0.12 24 2019 11 28 332.03 0.04 24 2019 11 29 332.04 0.05 24 2019 11 30 332.03 0.12 24 2019 12 01 331.71 0.32 22 2019 12 02 332.14 0.03 9 2019 12 03 332.07 0.07 24 2019 12 04 331.99 0.08 24 2019 12 05 331.99 0.06 24 2019 12 06 331.94 0.02 24 2019 12 07 331.89 0.08 24 2019 12 08 331.93 0.07 24 2019 12 09 331.99 0.04 24 2019 12 10 331.98 0.05 24 2019 12 11 332.00 0.04 24 2019 12 12 332.04 0.04 24 2019 12 13 332.05 0.10 24 2019 12 14 332.10 0.07 24 2019 12 15 331.99 0.03 24 2019 12 16 332.06 0.04 24 2019 12 17 332.00 0.05 24 2019 12 18 331.96 0.05 24 2019 12 19 331.97 0.05 24 2019 12 20 331.94 0.04 24 2019 12 21 331.98 0.04 24 2019 12 22 331.98 0.04 24 2019 12 23 332.06 0.03 24 2019 12 24 331.95 0.05 24 2019 12 25 331.95 0.04 24 2019 12 26 331.91 0.05 24 2019 12 27 331.96 0.04 24 2019 12 28 332.11 0.15 24 2019 12 29 332.23 0.05 24 2019 12 30 332.09 0.07 24 2019 12 31 332.14 0.11 24 2020 01 01 332.14 0.08 24 2020 01 02 332.30 0.07 24 2020 01 03 332.11 0.17 24 2020 01 04 332.10 0.13 24 2020 01 05 332.02 0.09 24 2020 01 06 332.01 0.10 24 2020 01 07 332.11 0.05 24 2020 01 08 332.12 0.05 24 2020 01 09 332.17 0.14 24 2020 01 10 332.34 0.19 24 2020 01 11 332.28 0.31 16