110
I
,
I
-E'i. ~ - - __ __ _
, ,
I
, , ,
I
, ,
I
I
, , , , , , ,
If
"
-3 6 ----r------- ---- --0,0
I
I
1 ,5
, , ,
3,0
4,5
6,0
7.5
9.0 10.5
Mixing ratio
May
12.0 13.5 15.0
.... - ... -'1\-I
I
I
I
I
, ,
I
I
I
16 ,5
OBSERVATIONS
"
.. '
18 ,0 19.5 210