Monthly Global Map of the CH4 column-averaged volume mixing ratios in 2.5 deg by 2.5 deg mesh(FTS SWIR L2 XCH4) (V02.90/V02.91)

The range of color scale in this XCH4 map is from 1.60 ppm to 2.00 ppm.
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Jan. 2010
(V02.90)
Jan. 2011
(V02.90)
Jan. 2012
(V02.90)
Jan. 2013
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Jan. 2014
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Jan. 2015
 
Jan. 2016
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Jan. 2017
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Jan. 2018
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Jan. 2019
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Jan. 2020
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Jan. 2021
(V02.91)
 
 
Feb. 2010
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Feb. 2011
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Feb. 2012
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Feb. 2013
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Feb. 2014
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Feb. 2015
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Feb. 2016
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Feb. 2017
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Feb. 2018
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Feb. 2019
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Feb. 2020
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Feb. 2021
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Mar. 2010
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Mar. 2011
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Mar. 2012
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Mar. 2013
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Mar. 2014
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Mar. 2015
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Mar. 2016
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Mar. 2017
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Mar. 2018
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Mar. 2019
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Mar. 2020
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Mar. 2021
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Apr. 2009
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Apr. 2010
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Apr. 2016
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Apr. 2017
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Apr. 2018
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Apr. 2019
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Apr. 2020
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Apr. 2021
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May 2009
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May 2010
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May 2011
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May 2012
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May 2013
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May 2014
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May 2015
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May 2016
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May 2017
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May 2018
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May 2019
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May 2020
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May 2021
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Jun. 2009
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Jun. 2010
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Jun. 2011
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Jun. 2012
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Jun. 2017
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Jun. 2018
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Jun. 2019
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Jun. 2020
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Jun. 2021
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Jul. 2009
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Jul. 2010
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Jul. 2017
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Jul. 2020
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Jul. 2021
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Aug. 2009
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Aug. 2010
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Aug. 2011
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Aug. 2012
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Aug. 2016
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Aug. 2017
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Aug. 2018
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Aug. 2019
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Aug. 2020
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Aug. 2021
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Sep. 2009
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Sep. 2010
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Sep. 2011
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Sep. 2012
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Sep. 2018
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Sep. 2019
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Sep. 2020
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Oct. 2009
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Oct. 2010
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Oct. 2020
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Nov. 2009
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Nov. 2010
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Nov. 2014
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Nov. 2016
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Nov. 2020
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Dec. 2009
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Dec. 2010
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Dec. 2016
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Dec. 2017
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Dec. 2018
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Dec. 2019
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Dec. 2020
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Note)  In the processing of each column data (standard product), Numerical Weather Prediction Model GPV Data provided by Japan Meteorological Agency is used.
Note)  The CH4 column-averaged volume mixing ratio is the ratio of the total amount of CH4 to the total amount of dry air contained in a vertical column from ground surface to the top of the atmosphere. The CH4 column-averaged volume mixing ratio is designated XCH4.
Note)  Date in blue indicates FTS SWIR L2 XCH4 data insufficiency during the month.