SAUNA 3
RBCC
-
E preliminary results
Alberto
Redondas
Esko Kyro
Tapani
Koskela
Weine
Josefson
Juan José Rodriguez
http://uv
-
vis.aeronomie.be/projects/ESA_CEOS/
The objective of this campaign is
compare the calibration performed at
two complete different locations the
subtropical Tenerife and the artic
Sodankyla
.
Schedules
103.8
86.9
75.0
75.4
87.6
104.5
Solar zenit angle
03:00
06:00
09:00
12:00
15:00
18:00
1
2
3
4
5
6
7
time
Air mass
05-Mar-2011
25-Mar-2011
SZA
airm
05 mar
25 mar
Schedules angles
>90
Test (FI)
90
-
80
2 h
2 h
Not useful for calibration (
zs
/um)
80
-
75
5
-
4
1.5 h
1 h
High sun
<75
>4
(
-
>3.5) 3h
(
-
>2.4) 7 h
Standard calibration range
RBCC
-
E Calibration transfer
IOS
RBCC
-
E
Private
Public
Maintenance/ Repairs
Yes
No
Calibration period
5 days
10 days
Place
On
Site
Calibration Campaigns
Transport
instrument
Recommended by car
Transport of the reference
Plane
Plane (hand luggage) /
Boat (car)
Many sites without
recalibration or calibration
check
Only one campaign
Calibration of the
reference
Not provided
Comparison with the
permanent reference at
Izaña
Instrument type
MKII Single
MK
-
III Double
RBCC
-
C
vs
IOS calibration.
Nordic Campaing Sodankyla 2011 - BLIND DAYS. No SL corrected
(Reference IZO#185)
800
1000
1200
1400
1600
1800
2000
2200
-5
-4
-3
-2
-1
0
1
2
Ozone Slant Path (DU)
% diference
SMHI#006
FMI#037
FMI#107
Reference Calibration
Calibration
Checklist
Reference Instrument
Description
Yes
No
Date&Time
Initials
Reference
Is traveling standard calibrated?
x
2010/09
IOS
Hp/Hg tests repeatable to within 0.2 steps
X
SH shutter delay is correct
NA
Run/Stop test within +/
-
0.003 from unity
for illuminated slits and between 0.5 and
2
for
the dark count
X
2011/03
Dead time is within 2 ns from calibration
record
X
2011/03
SL ratio R6 is within 5 units from
calibration
value
X
2011/03
SL ratio R5 is within 10 units from calibration
value
X
2011/03
IOS calibration Sep 2010
IOS Calibration
Triad Comparison before the travel
Triad Comparison
Triad Comparison after the travel
HG report
02/11/11
02/16/11
02/21/11
02/26/11
1025
1025.5
1026
1026.5
step calc
02/11/11
02/16/11
02/21/11
02/26/11
1024
1026
1028
step
02/11/11
02/16/11
02/21/11
02/26/11
1
1.2
1.4
x 10
5
hg int
02/11/11
02/16/11
02/21/11
02/26/11
-2
0
2
step diff
02/11/11
02/16/11
02/21/11
02/26/11
0.9975
0.998
0.9985
correlacion
157
02/11/11
02/16/11
02/21/11
02/26/11
10
15
20
25
temp
HG report
02/11/11
02/16/11
02/21/11
02/26/11
283
284
285
step calc
02/11/11
02/16/11
02/21/11
02/26/11
282
284
286
288
290
292
step
02/11/11
02/16/11
02/21/11
02/26/11
0.5
1
1.5
2
2.5
x 10
5
hg int
02/11/11
02/16/11
02/21/11
02/26/11
-2
0
2
4
6
8
step diff
02/11/11
02/16/11
02/21/11
02/26/11
0.9988
0.999
0.9992
0.9994
0.9996
correlacion
185
02/11/11
02/16/11
02/21/11
02/26/11
18
20
22
temp
Run/Stop
0.997
1.003
SLIT 0
Ratio
0.997
1.003
SLIT 2
Ratio
0.997
1.003
SLIT 3
Ratio
0.997
1.003
SLIT 4
Ratio
0.997
1.003
SLIT 5
Ratio
Run/Stop Test, RSOAVG.157
0.997
1.003
SLIT 6
Ratio
10/09/02
10/10/07
10/11/12
10/12/18
11/01/23
11/02/28
0.997
1.003
SLIT 0
Ratio
0.997
1.003
SLIT 2
Ratio
0.997
1.003
SLIT 3
Ratio
0.997
1.003
SLIT 4
Ratio
0.997
1.003
SLIT 5
Ratio
Run/Stop Test, RSOAVG.185
0.997
1.003
SLIT 6
Ratio
10/09/02
10/10/08
10/11/13
10/12/20
11/01/25
11/03/03
Dead Time
15
20
25
30
35
40
3.2e-008
3.2e-008
10/09/02
10/09/21
10/10/11
10/10/31
10/11/20
10/12/10
10/12/30
11/01/19
11/02/08
11/02/28
Time
(x10
-
9
seconds)
Dead Time Test, DTOAVG.157
dt high
dt low
24
26
28
30
32
34
36
38
3e-008
3e-008
10/09/02
10/09/22
10/10/12
10/11/01
10/11/21
10/12/12
11/01/01
11/01/21
11/02/10
11/03/03
Time
(x10
-
9
seconds)
Dead Time Test, DTOAVG.185
dt high
dt low
I
ZAÑA
2009
400
600
800
1000
1200
1400
-3
-2
-1
0
1
2
3
Ozone slant path
% ratio
orig037 - 185/ 185
400
600
800
1000
1200
1400
-3
-2
-1
0
1
2
3
Ozone slant path
% ratio
037 - 185/ 185
This
is an instrument where the two parameters calibration and
one parameter calibration
are
dramatically different.
0.4
0.5
0.6
0.7
0.8
0.9
1
3080
3100
3120
3140
ozone slant path
ETC = MS9 - A1*
O
3REF
*M2
3123
ETC DETERMINATION from RBCC-E reference
Nordic Campaing Sodankyla 2011 - BLIND DAYS.- SL Corrected
(Reference IZO#185)
800
1000
1200
1400
1600
1800
2000
2200
-5
-4
-3
-2
-1
0
1
2
Ozone Slant Path (DU)
% diference
SMHI#006
FMI#037
FMI#107
SAUNA 3
0.8
1
1.2
1.4
1.6
1.8
2
2.2
-5
-4
-3
-2
-1
0
1
ozone slant path
% ref Brw - 185 /185
SODANKYLA 2011 brewer observations FINAL
006
037
107
185
200
400
600
800
1000
1200
1400
1600
1800
2000
-4
-3
-2
-1
0
1
2
Ozone Slant Path
Ratio (%)
FMI#037 - IZO#185 / IZO#185
Izo09 IOS
Izo09 RBCCE
SDK11 RBCCE09
SDK11 RBCCE11
SDK11 IOS
SAUNA 3 / Izaña calibration
200
400
600
800
1000
1200
1400
1600
1800
2000
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
2
2.5
% Ozone difference by a change of ETC (+/
-
5
(red) , +/
-
10 (blue), +/
-
20 (green) )
vs
OSC
Conclusions
•
We are pretty sure of the stability and
calibration triad since last September (IOS
maintenance/ Calibration)
•
The #185 does not show any significant
change during the travel.
•
The current calibration of the
instrumetn
is 1%
lower mainly due O3 abs coefficient
mismach
.
https://www.iberonesia.net/svn/iberonesia/sdk2011/html/
Work in progress
https://spreadsheets.google.com/pub?key=0AuZo5WdzhE2LdFFZeE41c0pib
W84b05id3RsQ29IT0E&output=html
Paoul Ericksen
<ulf.koehler@dwd.de>,
"herbert.munier@dwd.de"
<herbert.munier@dwd.de>, Kimmo
Rikkonen <Kimmo.Rikkonen@fmi.fi>,
"weine.josefsson@smhi.se"
<weine.josefsson@smhi.se>,
"mikaell.ottosson.lofvenius@sek.slu.se"
<mikaell.ottosson.lofvenius@sek.slu.
se>, Tapani Koskela
<Tapani.Koskela@fmi.fi>
CC: Rigel Kivi <Rigel.Kivi@fmi.fi>, Riitta Aikio
<Riitta.Aikio@fmi.fi>,
=?iso
-
8859
-
1?Q?Esko_Kyr=F6?=
<Esko.Kyro@fmi.fi>
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