id x , T @ 4 @ | o ° 1 o ° A It Pe 5 EE 2 ov 2 w = > [ | | + A . iy L | A A oo Lf A aq a ' & © Ol Ol +t v if y { } 1 o / / / | Rh~ 102 CONCENTRATIONS ABOVE 19.4 km. A 0°-15°s C1] 1§%30°S @ wWrX45°5 X 45°-60°S 8 colt JEMAMJJASONO) JV FMAMJ J ASOND JI FMAMIJ JASON DJF MAM) JASON D, 1958 9 1959 1960 1961 TL Fig. 2-- Concentration as a function of time for different southern latitude regions