# 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: SF6 CCGG (Individual Flasks)
# contact_name: Xin Lan
# contact_telephone: (999) 999-9999
# contact_email: xin.lan@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 15:09:14
# 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     7.09
SDZ 2009 10     7.13
SDZ 2009 11     7.13
SDZ 2009 12     7.10
SDZ 2010  1     7.12
SDZ 2010  2     7.16
SDZ 2010  3     7.19
SDZ 2010  4     7.21
SDZ 2010  5     7.24
SDZ 2010  6     7.26
SDZ 2010  7     7.30
SDZ 2010  8     7.33
SDZ 2010  9     7.34
SDZ 2010 10     7.35
SDZ 2010 11     7.36
SDZ 2010 12     7.35
SDZ 2011  1     7.36
SDZ 2011  2     7.40
SDZ 2011  3     7.43
SDZ 2011  4     7.44
SDZ 2011  5     7.46
SDZ 2011  6     7.49
SDZ 2011  7     7.53
SDZ 2011  8     7.53
SDZ 2011  9     7.56
SDZ 2011 10     7.61
SDZ 2011 11     7.65
SDZ 2011 12     7.66
SDZ 2012  1     7.69
SDZ 2012  2     7.73
SDZ 2012  3     7.75
SDZ 2012  4     7.76
SDZ 2012  5     7.78
SDZ 2012  6     7.84
SDZ 2012  7     7.90
SDZ 2012  8     7.92
SDZ 2012  9     7.89
SDZ 2012 10     7.90
SDZ 2012 11     7.96
SDZ 2012 12     7.99
SDZ 2013  1     8.00
SDZ 2013  2     8.01
SDZ 2013  3     8.06
SDZ 2013  4     8.10
SDZ 2013  5     8.11
SDZ 2013  6     8.15
SDZ 2013  7     8.19
SDZ 2013  8     8.22
SDZ 2013  9     8.25
SDZ 2013 10     8.28
SDZ 2013 11     8.28
SDZ 2013 12     8.30
SDZ 2014  1     8.36
SDZ 2014  2     8.39
SDZ 2014  3     8.37
SDZ 2014  4     8.40
SDZ 2014  5     8.45
SDZ 2014  6     8.48
SDZ 2014  7     8.49
SDZ 2014  8     8.56
SDZ 2014  9     8.62
SDZ 2014 10     8.63
SDZ 2014 11     8.64
SDZ 2014 12     8.69
SDZ 2015  1     8.70
SDZ 2015  2     8.69
SDZ 2015  3     8.71
SDZ 2015  4     8.77
SDZ 2015  5     8.79
SDZ 2015  6     8.81
SDZ 2015  7     8.88
SDZ 2015  8     8.95
SDZ 2015  9     8.98