federal department of home affairs fdha federal office of meteorology and climatology meteoswiss...
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Federal Department of Home Affairs FDHAFederal Office of Meteorology and Climatology MeteoSwiss
Report on Swiss ORM related activities
Ozone Reseach Manager Meeting, May 18-21, 2008
WMO Geneva
R. Stübi, MeteoSwiss, Payerne
2 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Overview of Swiss activities
3 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Arosa Umkehr time series
4 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Payerne ozonesonde time series
5 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Payerne ozonesonde time series
Jeannet et al., JGR 2007
6 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Bern-Payerne Ozone -wave time series
7 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Microwave ozone time analysis
Haefele et al. 2008; Hocke et al., ongoing research
8 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Nairobi ozonesonde climatology
-50 0 50 100 150
51
01
52
02
53
03
5
Alti
tud
e [k
m]
Ozone [nbar]Temperature [°C]
Payerne
Nairobi
Payerne
Nairobi
Temperature Ozone
9 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Nairobi ozonesonde annual cycles
N
N
N
NN
N N
N
N
NN
N
2 4 6 8 10 12
-30
-20
-10
01
02
03
0
Month
De
via
tion
[%]
N
N
N
NN
N N
N
N
NN
N
N NN
N N N N NN
N N NN
N NN
N N
NN N N
N
N
P
P
P
P
P
P
P
P
P
P P
P
P
PP
P
PP P
P
P P
P
P
P
P
P
PP
P PP
P
P
P PMid-tropo.
Ozone max
Mid-strato.
P: PayerneN: Nairobi
10 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Dobson – Brewer diff. vs. stratosph. T
Scarnato, IAC-ETH, PhD thesis 2008
11 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Dobson – Brewer diff. vs. “X-section”
12 Ozone Reseach Manager Meeting, May 18-21, Geneva, R.Stübi
Concluding remarks
• Close collaboration between data providers and users • “Networking” at different levels (national, intern., WMO-
GAW, NDACC, R&D project, …)• Efficient cooperation between developed and developing
countries takes time, personal contact and patience• “Multiple to one” approach: D018 instrument in Nairobi (coll.
CZ, D, CH)
• Remind the Brewer Intercomparison July 20-30 in Arosa collaboration Spain - Switzerland