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.
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Note) |
Monthly Global Map in this page is generated using the bias-corrected FTS SWIR L2 CH4 product (V03.05). |
Note) |
Date in blue indicates FTS SWIR L2 XCH4 data insufficiency during the month. |