Products
CH4
Product Information | Description |
|---|---|
| Parameters | CH4 |
| Data Product Provenance | MUSES Version 1.11 |
| Approximate file size | ~15 MB per file |
| Spatial coverage | Nominally 50S to 70N coverage on a subset of observations. |
| Temporal coverage | Each L2 nominal Standard file contains 1 day of data |
| File format | Netcdf |
| Vertical sensitivity | CH4 has sensitivity between approximately 800 hPa and the tropopause with approximately 1 degree of freedom. |
| Data quality | The data have undergone a pre-quality check, which involves checks for retrieval convergence and vertical sensitivity. |
| Uncertainty | Kulawik et al. (2020): 30 ppb single, 17 ppb daily, 10 ppb seasonal errors |
| Validation Stage | AIRS CH4 is at validation level 3 based on NASA guidelines (see below). CRIS CH4 is aat validation stage 1 https://science.nasa.gov/earth-science/earth-science-data/data-maturity-levels |
| Retrieval Levels | 26 levels: from surface to top-of-atmosphere |
| FillValues | -999 |