Correlations between tropopause height and total ozone: Implications for long‐term changes

摘要: For the central European station of Hohenpeissenberg, averaging ozone profiles grouped by tropopause height shows that mixing ratio profile in lower stratosphere shifts up and down with tropopause. The shift is largest near becomes negligible above 20 to 25 km. As a consequence high correlated low total ozone. Independent season, decreases 16 Dobson units (DU) per kilometer increase height. At Hohenpeissenberg has moved 150±70 m (2 σ) decade over last 30 years. If −16 DU correlation between valid on timescale years, it speculated observed could explain about 25% −10 decrease This same magnitude as 30% fraction midlatitude depletion which current stratospheric models have difficulty accounting for. appears be tropospheric warming: 5 km altitude, for example, temperature increased 0.7±0.3 K since 1967.