# # 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 CO 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: CO # COVERING PERIOD: 2000-03 2019-01 # DATA FREQUENCY: monthly average # MEASUREMENT UNIT: ppb # MEASUREMENT METHOD: GC/UV (Trace Analytical RGA3) # SAMPLING TYPE: continuous # MEASUREMENT SCALE: Tohoku University/NIPR mole fraction scale 2010 # REMARKS: date are shown in local time (UTC+3) # VERSION: 20200325 # REFERENCES: #€€Morimoto, S., M. Wada, S. Sugawara, S. Aoki, T. Nakazawa and T. Yamanouchi, In-situ measurements of the atmospheric CO concentration at Syowa Station, Antarctica. Polar Meteorol. Glaciol. 16, 95-105, 2002. # year month monthly_mean(ppb) standard_deviation(ppb) 2000 03 42.08 5.38 2000 04 44.12 3.59 2000 05 48.87 3.48 2000 06 53.59 2.70 2000 07 56.80 6.25 2000 08 61.38 4.88 2000 09 61.56 5.09 2000 10 59.63 2.70 2000 11 53.92 3.52 2000 12 45.64 8.17 2001 01 39.68 9.19 2001 02 38.60 1.11 2001 03 40.07 1.28 2001 04 43.51 3.23 2001 05 47.04 3.38 2001 06 52.13 3.76 2001 07 57.18 3.85 2001 08 61.07 3.98 2001 09 64.43 7.07 2001 10 64.57 5.47 2001 11 55.99 3.56 2001 12 48.61 3.48 2002 01 43.25 4.48 2002 02 40.77 1.22 2002 03 41.58 4.01 2002 04 45.78 1.93 2002 05 50.36 1.77 2002 06 53.68 2.29 2002 07 58.71 1.69 2002 08 63.41 2.68 2002 09 67.09 3.08 2002 10 68.46 2.10 2002 11 61.65 3.74 2002 12 52.51 4.22 2003 01 43.00 2.33 2003 02 42.44 4.91 2003 03 46.47 2.53 2003 04 48.32 4.10 2003 05 50.43 3.03 2003 06 54.60 2.97 2003 07 59.00 5.40 2003 08 64.48 5.89 2003 09 67.59 3.87 2003 10 64.77 5.70 2003 11 58.06 3.78 2003 12 49.41 5.63 2004 01 43.74 4.18 2004 02 40.20 1.71 2004 03 40.35 0.80 2004 04 44.45 2.44 2004 05 49.23 3.53 2004 06 53.81 1.63 2004 07 58.06 3.82 2004 08 62.16 3.73 2004 09 65.76 4.63 2004 10 65.06 2.53 2004 11 60.27 2.33 2004 12 52.14 4.87 2005 01 43.23 5.26 2005 02 40.12 1.49 2005 03 41.83 4.42 2005 04 43.75 2.45 2005 05 48.43 2.64 2005 06 53.72 2.24 2005 07 58.96 3.89 2005 08 64.09 5.64 2005 09 65.62 4.86 2005 10 66.17 2.49 2005 11 60.94 4.52 2005 12 51.99 5.06 2006 01 44.32 2.39 2006 02 45.77 2.70 2006 03 43.26 1.72 2006 04 45.47 3.28 2006 05 49.17 1.72 2006 06 53.03 2.52 2006 07 56.53 4.82 2006 08 61.36 4.31 2006 09 64.10 4.36 2006 10 62.09 3.23 2006 11 56.22 2.82 2006 12 47.79 3.12 2007 01 43.73 2.95 2007 02 40.95 1.92 2007 03 41.87 1.73 2007 04 44.94 2.64 2007 05 49.83 2.06 2007 06 54.29 3.12 2007 07 58.56 2.74 2007 08 63.25 5.29 2007 09 66.64 4.57 2007 10 66.88 2.76 2007 11 63.27 3.81 2007 12 50.98 3.99 2008 01 42.75 3.21 2008 02 40.70 2.82 2008 03 40.27 1.41 2008 04 45.22 3.24 2008 05 50.10 2.72 2008 06 53.79 3.21 2008 07 59.96 4.20 2008 08 61.93 2.48 2008 09 62.19 3.58 2008 10 61.46 5.32 2008 11 53.79 3.96 2008 12 45.71 4.11 2009 01 39.41 7.97 2009 02 39.93 9.88 2009 03 41.59 13.80 2009 04 45.06 18.53 2009 05 48.56 11.52 2009 06 53.13 13.60 2009 07 56.69 13.41 2009 08 59.19 9.62 2009 09 62.08 8.51 2009 10 60.12 7.69 2009 11 53.13 9.92 2009 12 44.34 5.44 2010 01 39.30 3.85 2010 02 38.83 5.20 2010 03 39.62 1.50 2010 04 42.84 3.59 2010 05 47.20 6.73 2010 06 52.46 3.86 2010 07 57.89 3.07 2010 08 63.11 4.41 2010 09 65.95 2.47 2010 10 67.00 2.98 2010 11 61.87 4.08 2010 12 53.21 4.85 2011 01 45.66 3.34 2011 02 41.33 1.77 2011 03 41.26 5.12 2011 04 42.86 2.78 2011 05 46.30 2.37 2011 06 49.64 1.95 2011 07 52.79 2.43 2011 08 56.78 5.94 2011 09 58.49 1.52 2011 10 58.53 3.99 2011 11 53.91 3.78 2011 12 45.82 5.90 2012 01 42.17 1.80 2012 02 40.75 2.08 2012 03 41.18 3.73 2012 04 44.19 2.88 2012 05 49.31 4.31 2012 06 52.63 4.81 2012 07 57.31 4.50 2012 08 61.17 4.52 2012 09 64.68 5.46 2012 10 64.59 3.12 2012 11 59.33 2.66 2012 12 50.27 2.66 2013 01 43.39 4.28 2013 02 41.45 1.01 2013 03 42.73 3.39 2013 04 44.84 1.31 2013 05 49.31 3.23 2013 06 54.31 2.58 2013 07 58.56 3.38 2013 08 61.75 1.74 2013 09 63.48 3.05 2013 10 61.01 3.99 2013 11 54.94 2.65 2013 12 46.66 3.13 2014 01 40.54 3.99 2014 02 38.82 1.85 2014 03 41.14 1.54 2014 04 44.46 1.45 2014 05 49.23 2.84 2014 06 53.56 3.72 2014 07 59.03 3.64 2014 08 63.54 3.80 2014 09 64.25 6.71 2014 10 61.06 5.02 2014 11 54.68 5.50 2014 12 46.21 3.98 2015 01 41.09 3.17 2015 02 40.39 1.66 2015 03 42.58 4.13 2015 04 45.63 4.37 2015 05 48.87 4.21 2015 06 53.09 2.45 2015 07 57.61 3.08 2015 08 63.45 6.86 2015 09 66.07 4.74 2015 10 64.72 6.51 2015 11 57.15 5.53 2015 12 48.67 8.72 2016 01 44.04 4.29 2016 02 44.34 5.82 2016 03 45.66 7.49 2016 04 47.97 3.42 2016 05 53.27 5.53 2016 06 57.75 6.22 2016 07 61.44 7.61 2016 08 65.21 10.67 2016 09 67.67 11.12 2016 10 65.48 5.60 2016 11 57.14 7.98 2016 12 47.02 6.12 2017 01 41.81 4.39 2017 02 41.60 3.09 2017 03 43.21 3.57 2017 04 46.93 7.86 2017 05 50.79 2.35 2017 06 54.99 5.10 2017 07 60.08 5.34 2017 08 64.56 6.18 2017 09 65.72 4.78 2017 10 66.02 6.36 2017 11 60.97 5.41 2017 12 52.30 4.89 2018 01 44.09 2.54 2018 02 43.07 1.28 2018 03 44.24 0.98 2018 04 47.63 1.20 2018 05 52.66 1.78 2018 06 57.51 1.53 2018 07 61.01 1.25 2018 08 64.93 0.79 2018 09 67.59 0.80 2018 10 64.70 1.79 2018 11 55.87 1.99 2018 12 48.98 1.94 2019 01 40.65 7.77