# number_of_header_lines: 69
# comment:  
# comment:  ************ USE OF GML DATA ****************
# comment:  
# comment: These data are made freely available to the public and the scientific
# comment: community in the belief that their wide dissemination will lead to
# comment: greater understanding and new scientific insights. To ensure that GML
# comment: receives fair credit for their work please include relevant citation
# comment: text in publications. We encourage users to contact the data providers,
# comment: who can provide detailed information about the measurements and
# comment: scientific insight.  In cases where the data are central to a
# comment: publication, coauthorship for data providers may be appropriate.
# comment: 
# comment: 
# comment: Please see accompanying README file, if available, for citation text.
# comment:  
# comment: Every effort is made to produce the most accurate and precise
# comment: measurements possible.  However, we reserve the right to make
# comment: corrections to the data based on recalibration of standard gases
# comment: or for other reasons deemed scientifically justified.
# comment: 
# comment: We are not responsible for results and conclusions based on use
# comment: of these data without regard to this warning.
# comment: 
# contact_parameter: CO CCGG (Individual Flasks)
# contact_name: Gabrielle Petron
# contact_telephone: (720) 295-0145
# contact_email: Gabrielle.Petron@noaa.gov
# comment: 
# comment:  ************ COLLABORATORS ***************
# comment: 
# comment: NOAA thanks the following collaborators without
# comment: whom these measurements would not be possible.
# comment: 
# collaborator_name: Chinese Academy of Meteorological Sciences
# collaborator_name: (CAMS) and Beijing Meteorological Bureau
# collaborator_name: (BMB), China Meteorological Administration
# collaborator_name: (CMA) [CMA]
# collaborator_comment: Lingxi ZHOU, Ph.D., Prof.
# collaborator_comment: 
# collaborator_comment: PI for Greenhouse Gases & Related Tracers
# collaborator_comment: Chinese Academy of Meteorological Sciences
# collaborator_comment: (CAMS)
# collaborator_comment: China Meteorological Administration (CMA)
# collaborator_comment: 
# collaborator_comment: 46 Zhongguancun Nandajie
# collaborator_comment: Beijing 100081, China
# collaborator_comment: Tel:     86-10-5899-5279 (o)
# collaborator_comment: Fax:     86-10-6217-6414 (o)
# collaborator_comment: E-mail:zhoulx@cams.cma.gov.cn
# collaborator_comment: zhoulx2007@gmail.com
# comment: 
# comment:  ************ RECIPROCITY AGREEMENT ***************
# comment: 
# comment:
# comment:  ************ DATA DESCRIPTION ***************
# comment:
# description_site-code: sdz
# description_project-abbr: ccg_surface
# description_strategy-abbr: flask
# description_analysis-constraints: flag:..%
# description_creation-time: 2023-08-28 15:11:41
# comment:
# comment:  ************ DATA DOCUMENTATION ***************
# comment:
# comment: Please refer to the species-specific README file in the
# comment: appropriate directory folder at https://gml.noaa.gov/aftp/data/trace_gases/.
# comment:
# data_fields: site year month value
SDZ 2009  9   124.48
SDZ 2009 10   125.87
SDZ 2009 11   137.05
SDZ 2009 12   151.32
SDZ 2010  1   163.89
SDZ 2010  2   162.00
SDZ 2010  3   167.94
SDZ 2010  4   164.70
SDZ 2010  8   123.68
SDZ 2010  9   125.20
SDZ 2010 10   141.93
SDZ 2010 11   140.91
SDZ 2010 12   153.68
SDZ 2011  1   179.88
SDZ 2011  2   171.78
SDZ 2011  3   158.11
SDZ 2011  4   155.71
SDZ 2011  5   136.20
SDZ 2011  9   107.82
SDZ 2011 10   111.07
SDZ 2011 11   126.70
SDZ 2011 12   148.71
SDZ 2012  1   168.04
SDZ 2012  2   167.16
SDZ 2012  3   165.20
SDZ 2012  4   158.39
SDZ 2012  5   135.48
SDZ 2012  6   157.84
SDZ 2012  7   203.17
SDZ 2012  8   186.65
SDZ 2012  9   143.19
SDZ 2012 10   145.10
SDZ 2012 11   155.74
SDZ 2012 12   162.61
SDZ 2013  1   168.05
SDZ 2013  2   159.73
SDZ 2013  3   161.45
SDZ 2013  4   159.91
SDZ 2013  5   132.33
SDZ 2013  6   138.43
SDZ 2013  7   173.60
SDZ 2013  8   153.76
SDZ 2013  9   118.08
SDZ 2013 10   116.52
SDZ 2013 11   129.86
SDZ 2013 12   147.56
SDZ 2014  1   162.82
SDZ 2014  2   159.20
SDZ 2014  3   168.64
SDZ 2014  4   174.25
SDZ 2014  5   141.68
SDZ 2014  6   140.00
SDZ 2014  7   179.20
SDZ 2014  8   172.38
SDZ 2014  9   140.72
SDZ 2014 10   134.52
SDZ 2014 11   137.00
SDZ 2014 12   147.17
SDZ 2015  1   159.34
SDZ 2015  2   167.52
SDZ 2015  3   198.70
SDZ 2015  4   206.34
SDZ 2015  5   146.24
SDZ 2015  6   126.57
SDZ 2015  9   156.37