Table 2.
Methane response (CH4 in % MEI−1) at 0.7 hPa to forcings according to the ENSO index and CH4 response (in %) at 1.0 hPa to solar max minus solar min.
| Latitude | 52.5S | 37.5 | 22.5 | 7.5S | 7.5N | 22.5 | 37.5 | 52.5N |
|---|---|---|---|---|---|---|---|---|
| CH4(0.7hPa) | ||||||||
| ppmv MEI−1 | 0.013 | 0.017 | 0.010 | 0.009 | 0.013 | 0.017 | 0.015 | 0.016 |
| % MEI−1 | 6.5 | 6.5 | 3.4 | 3.2 | 4.3 | 5.0 | 5.2 | 8.4 |
| CI (%) | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 |
| CH4(1.0hPa) | ||||||||
| Max – Min (ppmv) | −0.016 | −0.015 | −0.036 | −0.042 | −0.028 | 0.032 | 0.015 | −0.022 |
| Lya (%) | −7.4 | −5.2 | −10.3 | −12.0 | −7.6 | 7.4 | 4.4 | −10.0 |
| CI (%) | 68 | 59 | 81 | 69 | 63 | 67 | 28 | 78 |