| Variable | Dimensions | Units | Long Name |
|---|---|---|---|
| lat | lat | 1 | N/A |
| lon | lon | 1 | N/A |
| time | time | years BP | N/A |
| ch4 | time | ppb | atmospheric ch4 concentration |
| CH4emis_dt | time | TgCH4/yr | anthropogenic methane emissions to atmosphere |
| CH4lnd_dt | time | TgCH4/yr | natural land methane flux to atmosphere |
| CH4ocn_dt | time | TgCH4/yr | ocean methane flux to atmosphere |
| CH4ox_dt | time | TgCH4/yr | methane oxidation in the atmosphere |
| tau | time | years | methane lifetime in the atmosphere |