Dataset
Global monthly mean CO2 over marine surface sites
noaa.co2.global.monthly
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About
Global monthly mean atmospheric carbon dioxide since 1979, averaged over NOAA's marine surface sites, with the deseasonalized trend.
Cite as: Lan, X., Tans, P. and Thoning, K.W.: Trends in globally-averaged CO2, CH4, N2O and SF6 determined from NOAA Global Monitoring Laboratory measurements. https://doi.org/10.15138/9N0H-ZH07
- Publisher
- NOAA Global Monitoring Laboratory
- Tier
- OfficialVerified
- Covers
- 1979–now
- Places
- Global (marine surface sites)
- Updated
- monthly
- Last modified
- not stated
- Units
- ppm (micromol per mol, dry air)
- License
- U.S. Government Work (public domain)
- Method
- https://gml.noaa.gov/ccgg/about/co2_measurements.html
Columns
| Name | Type | Description |
|---|---|---|
| year | integer | |
| month | integer | |
| date | date | the first of the month |
| decimal_date | number | the middle of the month as a fraction of the year |
| average | number | monthly mean |
| average_unc | number | uncertainty of the monthly mean |
| trend | number | the monthly mean with the average seasonal cycle removed |
| trend_unc | number | uncertainty of the trend |
Dimensions
| Name | Values |
|---|---|
| date |