Monthly Global Map of the CH4 column-averaged volume mixing ratios in 2.5 deg by 2.5 deg mesh(Bias-corrected FTS SWIR L2 XCH4) (V03.05)
| The range of color scale in this XCH4 map is from 1.60 ppm to 2.05 ppm. It was changed from its previous version. |
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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) | 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. |