# number_of_header_lines: 68 # comment: # comment: ************ USE OF ESRL GMD DATA **************** # comment: # comment: These data are made freely available to the public and the # comment: scientific community in the belief that their wide dissemination # comment: will lead to greater understanding and new scientific insights. # comment: The availability of these data does not constitute publication # comment: of the data. NOAA relies on the ethics and integrity of the user to # comment: ensure that GML receives fair credit for their work. If the data # comment: are obtained for potential use in a publication or presentation, # comment: GML should be informed at the outset of the nature of this work. # comment: If the GML data are essential to the work, or if an important # comment: result or conclusion depends on the GML data, co-authorship # comment: may be appropriate. This should be discussed at an early stage in # comment: the work. Manuscripts using the GML data should be sent to GML # comment: for review before they are submitted for publication so we can # comment: ensure that the quality and limitations of the data are accurately # comment: represented. # 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: CH4 CCGG (Individual Flasks) # contact_name: Ed Dlugokencky # contact_telephone: (303) 497-6228 # contact_email: Ed.Dlugokencky@noaa.gov # comment: # comment: ************ COLLABORATORS *************** # comment: # comment: NOAA thanks the following collaborators without # comment: whom these measurements would not be possible. # comment: # collaborator_name: Met Office (United Kingdom) [UKMO] # comment: # comment: ************ RECIPROCITY AGREEMENT *************** # comment: # comment: Use of these data implies an agreement to reciprocate. # comment: Laboratories making similar measurements agree to make their # comment: own data available to the general public and to the scientific # comment: community in an equally complete and easily accessible form. # comment: Modelers are encouraged to make available to the community, # comment: upon request, their own tools used in the interpretation # comment: of the GML data, namely well documented model code, transport # comment: fields, and additional information necessary for other # comment: scientists to repeat the work and to run modified versions. # comment: Model availability includes collaborative support for new # comment: users of the models. # comment: # comment: ************ DATA DESCRIPTION *************** # comment: # description_site-code: asc # description_project-abbr: ccg_surface # description_strategy-abbr: flask # description_analysis-constraints: flag:..% # description_creation-time: 2020-07-24 11:31:09 # comment: # comment: ************ DATA DOCUMENTATION *************** # comment: # comment: Please refer to the species-specific README file in the # comment: appropriate directory folder at ftp://aftp.cmdl.noaa.gov/data/trace_gases/. # comment: # data_fields: site year month value ASC 1983 5 1598.17 ASC 1983 6 1603.99 ASC 1983 7 1605.37 ASC 1983 8 1603.60 ASC 1983 9 1607.16 ASC 1983 10 1605.43 ASC 1983 11 1598.55 ASC 1983 12 1595.39 ASC 1984 1 1591.55 ASC 1984 2 1588.78 ASC 1984 3 1596.48 ASC 1984 4 1605.18 ASC 1984 5 1609.88 ASC 1984 6 1615.19 ASC 1984 7 1620.15 ASC 1984 8 1621.13 ASC 1984 9 1618.86 ASC 1984 10 1612.60 ASC 1984 11 1608.50 ASC 1984 12 1609.18 ASC 1985 1 1604.02 ASC 1985 2 1601.24 ASC 1985 3 1610.52 ASC 1985 4 1618.35 ASC 1985 5 1620.51 ASC 1985 6 1626.56 ASC 1985 7 1630.67 ASC 1985 8 1634.69 ASC 1985 9 1634.43 ASC 1985 10 1627.37 ASC 1985 11 1623.08 ASC 1985 12 1619.92 ASC 1986 1 1615.61 ASC 1986 2 1615.45 ASC 1986 3 1620.24 ASC 1986 4 1631.17 ASC 1986 5 1637.82 ASC 1986 6 1637.59 ASC 1986 7 1640.34 ASC 1986 8 1640.24 ASC 1986 9 1639.61 ASC 1986 10 1647.47 ASC 1986 11 1649.51 ASC 1986 12 1638.95 ASC 1987 1 1631.79 ASC 1987 2 1630.64 ASC 1987 3 1634.23 ASC 1987 4 1644.94 ASC 1987 5 1653.34 ASC 1987 6 1655.30 ASC 1987 7 1655.42 ASC 1987 8 1657.15 ASC 1987 9 1657.34 ASC 1987 10 1652.31 ASC 1987 11 1648.87 ASC 1987 12 1644.04 ASC 1988 1 1633.96 ASC 1988 2 1636.56 ASC 1988 3 1643.71 ASC 1988 4 1646.03 ASC 1988 5 1653.09 ASC 1988 6 1657.94 ASC 1988 7 1663.29 ASC 1988 8 1667.40 ASC 1988 9 1668.40 ASC 1988 10 1667.65 ASC 1988 11 1663.99 ASC 1988 12 1657.00 ASC 1989 1 1649.73 ASC 1989 2 1649.80 ASC 1989 3 1653.81 ASC 1989 4 1659.62 ASC 1989 5 1666.86 ASC 1989 6 1671.37 ASC 1989 7 1673.57 ASC 1989 8 1674.96 ASC 1989 9 1675.05 ASC 1989 10 1677.16 ASC 1989 11 1680.10 ASC 1989 12 1673.43 ASC 1990 1 1663.35 ASC 1990 2 1662.73 ASC 1990 3 1668.57 ASC 1990 4 1672.68 ASC 1990 5 1678.55 ASC 1990 6 1682.93 ASC 1990 7 1683.65 ASC 1990 8 1684.75 ASC 1990 9 1687.69 ASC 1990 10 1686.99 ASC 1990 11 1680.46 ASC 1990 12 1680.48 ASC 1991 1 1679.81 ASC 1991 2 1673.53 ASC 1991 3 1674.70 ASC 1991 4 1680.62 ASC 1991 5 1683.49 ASC 1991 6 1685.45 ASC 1991 7 1692.05 ASC 1991 8 1698.39 ASC 1991 9 1700.27 ASC 1991 10 1701.92 ASC 1991 11 1707.28 ASC 1991 12 1706.95 ASC 1992 1 1692.44 ASC 1992 2 1684.58 ASC 1992 3 1687.40 ASC 1992 4 1696.13 ASC 1992 5 1703.19 ASC 1992 6 1702.97 ASC 1992 7 1705.83 ASC 1992 8 1706.57 ASC 1992 9 1703.79 ASC 1992 10 1700.42 ASC 1992 11 1698.60 ASC 1992 12 1692.75 ASC 1993 1 1685.23 ASC 1993 2 1685.59 ASC 1993 3 1692.91 ASC 1993 4 1700.94 ASC 1993 5 1701.87 ASC 1993 6 1704.93 ASC 1993 7 1706.94 ASC 1993 8 1707.13 ASC 1993 9 1709.03 ASC 1993 10 1703.36 ASC 1993 11 1697.19 ASC 1993 12 1694.70 ASC 1994 1 1692.99 ASC 1994 2 1693.56 ASC 1994 3 1697.03 ASC 1994 4 1699.50 ASC 1994 5 1701.06 ASC 1994 6 1705.96 ASC 1994 7 1711.95 ASC 1994 8 1714.27 ASC 1994 9 1714.12 ASC 1994 10 1713.77 ASC 1994 11 1710.96 ASC 1994 12 1704.45 ASC 1995 1 1699.34 ASC 1995 2 1698.70 ASC 1995 3 1702.59 ASC 1995 4 1706.62 ASC 1995 5 1709.44 ASC 1995 6 1712.66 ASC 1995 7 1716.80 ASC 1995 8 1720.83 ASC 1995 9 1721.89 ASC 1995 10 1719.35 ASC 1995 11 1716.14 ASC 1995 12 1711.19 ASC 1996 1 1702.20 ASC 1996 2 1697.99 ASC 1996 3 1700.17 ASC 1996 4 1707.10 ASC 1996 5 1713.21 ASC 1996 6 1713.70 ASC 1996 7 1715.97 ASC 1996 8 1719.90 ASC 1996 9 1720.33 ASC 1996 10 1717.69 ASC 1996 11 1716.00 ASC 1996 12 1713.14 ASC 1997 1 1705.44 ASC 1997 2 1702.57 ASC 1997 3 1710.40 ASC 1997 4 1719.71 ASC 1997 5 1722.52 ASC 1997 6 1724.71 ASC 1997 7 1727.05 ASC 1997 8 1726.66 ASC 1997 9 1727.35 ASC 1997 10 1725.86 ASC 1997 11 1721.34 ASC 1997 12 1715.48 ASC 1998 1 1710.12 ASC 1998 2 1710.07 ASC 1998 3 1716.27 ASC 1998 4 1726.98 ASC 1998 5 1734.95 ASC 1998 6 1736.66 ASC 1998 7 1734.98 ASC 1998 8 1736.43 ASC 1998 9 1739.18 ASC 1998 10 1735.64 ASC 1998 11 1732.70 ASC 1998 12 1729.49 ASC 1999 1 1721.73 ASC 1999 2 1719.23 ASC 1999 3 1725.85 ASC 1999 4 1734.57 ASC 1999 5 1738.01 ASC 1999 6 1741.10 ASC 1999 7 1744.72 ASC 1999 8 1745.84 ASC 1999 9 1745.61 ASC 1999 10 1743.36 ASC 1999 11 1738.20 ASC 1999 12 1733.09 ASC 2000 1 1731.55 ASC 2000 2 1727.21 ASC 2000 3 1727.41 ASC 2000 4 1736.63 ASC 2000 5 1743.80 ASC 2000 6 1746.19 ASC 2000 7 1747.06 ASC 2000 8 1747.45 ASC 2000 9 1744.90 ASC 2000 10 1742.54 ASC 2000 11 1736.28 ASC 2000 12 1725.29 ASC 2001 1 1720.41 ASC 2001 2 1721.16 ASC 2001 3 1726.66 ASC 2001 4 1733.53 ASC 2001 5 1738.00 ASC 2001 9 1743.42 ASC 2001 10 1741.87 ASC 2001 11 1737.11 ASC 2001 12 1732.58 ASC 2002 1 1727.75 ASC 2002 2 1729.54 ASC 2002 3 1732.56 ASC 2002 4 1735.47 ASC 2002 5 1741.87 ASC 2002 6 1744.21 ASC 2002 7 1746.69 ASC 2002 8 1747.72 ASC 2002 9 1746.07 ASC 2002 10 1743.57 ASC 2002 11 1738.06 ASC 2002 12 1733.11 ASC 2003 1 1726.01 ASC 2003 2 1720.90 ASC 2003 3 1727.24 ASC 2003 4 1739.13 ASC 2003 5 1744.37 ASC 2003 6 1746.25 ASC 2003 7 1747.70 ASC 2003 8 1748.30 ASC 2003 9 1749.50 ASC 2003 10 1746.84 ASC 2003 11 1741.59 ASC 2003 12 1732.79 ASC 2004 1 1727.42 ASC 2004 2 1731.08 ASC 2004 3 1735.93 ASC 2004 4 1743.14 ASC 2004 5 1749.45 ASC 2004 6 1751.77 ASC 2004 7 1751.01 ASC 2004 8 1748.89 ASC 2004 9 1747.06 ASC 2004 10 1743.91 ASC 2004 11 1739.73 ASC 2004 12 1731.04 ASC 2005 1 1725.09 ASC 2005 2 1727.33 ASC 2005 3 1732.96 ASC 2005 4 1736.05 ASC 2005 5 1735.59 ASC 2005 6 1741.45 ASC 2005 7 1745.79 ASC 2005 8 1743.78 ASC 2005 9 1742.74 ASC 2005 10 1742.12 ASC 2005 11 1739.69 ASC 2005 12 1732.81 ASC 2006 1 1726.66 ASC 2006 2 1727.02 ASC 2006 3 1731.43 ASC 2006 4 1732.24 ASC 2006 5 1736.08 ASC 2006 6 1742.79 ASC 2006 7 1744.37 ASC 2006 8 1746.59 ASC 2006 9 1746.96 ASC 2006 10 1743.52 ASC 2006 11 1738.03 ASC 2006 12 1729.65 ASC 2007 1 1726.59 ASC 2007 2 1728.94 ASC 2007 3 1736.09 ASC 2007 4 1744.92 ASC 2007 5 1746.00 ASC 2007 6 1748.85 ASC 2007 7 1754.14 ASC 2007 8 1753.37 ASC 2007 9 1754.58 ASC 2007 10 1752.73 ASC 2007 11 1744.61 ASC 2007 12 1742.37 ASC 2008 1 1742.20 ASC 2008 2 1741.59 ASC 2008 3 1746.13 ASC 2008 4 1751.95 ASC 2008 5 1750.85 ASC 2008 6 1753.33 ASC 2008 7 1760.45 ASC 2008 8 1762.82 ASC 2008 9 1761.44 ASC 2008 10 1756.91 ASC 2008 11 1753.39 ASC 2008 12 1747.94 ASC 2009 1 1740.43 ASC 2009 2 1740.50 ASC 2009 3 1748.44 ASC 2009 4 1755.14 ASC 2009 5 1758.17 ASC 2009 6 1761.86 ASC 2009 7 1764.92 ASC 2009 8 1766.92 ASC 2009 9 1766.26 ASC 2009 10 1762.14 ASC 2009 11 1757.77 ASC 2009 12 1750.11 ASC 2010 1 1746.35 ASC 2010 2 1750.94 ASC 2010 3 1754.03 ASC 2010 4 1757.71 ASC 2010 5 1762.32 ASC 2010 6 1766.93 ASC 2010 7 1767.79 ASC 2010 8 1768.77 ASC 2010 9 1771.94 ASC 2010 10 1769.62 ASC 2010 11 1766.00 ASC 2010 12 1763.94 ASC 2011 1 1755.75 ASC 2011 2 1751.31 ASC 2011 3 1760.61 ASC 2011 4 1766.14 ASC 2011 5 1769.11 ASC 2011 6 1775.17 ASC 2011 7 1777.82 ASC 2011 8 1779.11 ASC 2011 9 1777.65 ASC 2011 10 1773.07 ASC 2011 11 1768.51 ASC 2011 12 1765.77 ASC 2012 1 1761.45 ASC 2012 2 1757.60 ASC 2012 3 1763.49 ASC 2012 4 1774.05 ASC 2012 5 1776.56 ASC 2012 6 1775.44 ASC 2012 7 1779.90 ASC 2012 8 1779.61 ASC 2012 9 1776.62 ASC 2012 10 1774.68 ASC 2012 11 1774.56 ASC 2012 12 1770.95 ASC 2013 1 1761.89 ASC 2013 2 1761.45 ASC 2013 3 1767.18 ASC 2013 4 1774.59 ASC 2013 5 1779.95 ASC 2013 6 1783.05 ASC 2013 7 1787.83 ASC 2013 8 1787.50 ASC 2013 9 1783.10 ASC 2013 10 1778.91 ASC 2013 11 1778.68 ASC 2013 12 1777.49 ASC 2014 1 1768.89 ASC 2014 2 1767.39 ASC 2014 3 1778.55 ASC 2014 4 1788.02 ASC 2014 5 1789.12 ASC 2014 6 1790.56 ASC 2014 7 1794.67 ASC 2014 8 1799.03 ASC 2014 9 1797.97 ASC 2014 10 1792.27 ASC 2014 11 1789.52 ASC 2014 12 1785.21 ASC 2015 1 1776.26 ASC 2015 2 1775.50 ASC 2015 3 1783.45 ASC 2015 4 1795.53 ASC 2015 5 1802.12 ASC 2015 6 1802.18 ASC 2015 7 1804.39 ASC 2015 8 1806.78 ASC 2015 9 1807.15 ASC 2015 10 1804.22 ASC 2015 11 1800.83 ASC 2015 12 1794.11 ASC 2016 1 1787.38 ASC 2016 2 1788.86 ASC 2016 3 1794.76 ASC 2016 4 1799.64 ASC 2016 5 1804.32 ASC 2016 6 1811.46 ASC 2016 7 1815.65 ASC 2016 8 1813.83 ASC 2016 9 1810.08 ASC 2016 10 1807.93 ASC 2016 11 1802.66 ASC 2016 12 1794.84 ASC 2017 1 1792.12 ASC 2017 2 1795.12 ASC 2017 3 1801.92 ASC 2017 4 1807.34 ASC 2017 5 1812.83 ASC 2017 6 1818.82 ASC 2017 7 1821.81 ASC 2017 8 1822.75 ASC 2017 9 1819.63 ASC 2017 10 1818.53 ASC 2017 11 1817.54 ASC 2017 12 1809.19 ASC 2018 1 1803.63 ASC 2018 2 1806.88 ASC 2018 3 1814.59 ASC 2018 4 1820.42 ASC 2018 5 1825.57 ASC 2018 6 1833.55 ASC 2018 7 1833.91 ASC 2018 8 1829.44 ASC 2018 9 1830.89 ASC 2018 10 1829.41 ASC 2018 11 1823.03 ASC 2018 12 1817.35 ASC 2019 1 1812.96 ASC 2019 2 1817.46 ASC 2019 3 1824.20 ASC 2019 4 1827.84 ASC 2019 5 1831.87 ASC 2019 6 1837.62 ASC 2019 7 1842.24 ASC 2019 8 1840.84 ASC 2019 9 1838.26 ASC 2019 10 1834.93 ASC 2019 11 1829.07 ASC 2019 12 1823.58