. Compendium of meteorology. Meteorology. 284 THE UPPER ATMOSPHERE E. Regener concerning separation in the atmosphere; for the equatorial zone it is assumed that the turbulence extends to higher altitudes corresponding to the greater altitude of the tropopause. The result of this calculation indicates a constant do\\'nward stream of ozone caused by turbulence. It follows that ozone must constantly be destroyed in the layers near ground level. The mean ozone distribution in the lowermost 15 to 20 km is de- termined essentially by the austausch. The small amount of total ozone in the tropical zo
. Compendium of meteorology. Meteorology. 284 THE UPPER ATMOSPHERE E. Regener concerning separation in the atmosphere; for the equatorial zone it is assumed that the turbulence extends to higher altitudes corresponding to the greater altitude of the tropopause. The result of this calculation indicates a constant do\\'nward stream of ozone caused by turbulence. It follows that ozone must constantly be destroyed in the layers near ground level. The mean ozone distribution in the lowermost 15 to 20 km is de- termined essentially by the austausch. The small amount of total ozone in the tropical zone (O3 = cm) is due to high-reaching turbulence combined with a rapid destruction of the downward transported ozone in the layers near the ground level, which seems plau- sible for tropical conditions. Disregarding the possibility of achieving a better agreement between theory (as indicated in Table III) and observation by making Table III. Amount of Ozone According to Equation (31) (mm O3) the surface weather map and fronts have supported this observation [23, 94] and have shown that the center of high ozone amount on the rear side of a cyclone is particularly the property of a newly develop- ing depression (Fig. 12). Since its axis is inclined back- ISOBARS OZONE * I II III IV 1,85 V 1,88 VI VII VIII rx 1,96 1,76 X 1,99 2,17 1,75 XI 2,01 2,18 1,73 XII 45° 60° 80° 2,00 2,16 Corresponding values, assuming a hypothetical circulation: 60° 2,53 2,69 1 different assumptions concerning several as yet un- certain quantities entering the calculations, it is possi- ble to improve agreement by assuming a meridional circulation. The last line of Table III is calculated under the assumption of an ascending flow in the higher lati- tudes of the summer hemisphere, and a descending flow in the higher latitudes of the win
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