SAUNA3x

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Dec 10, 2013 (3 years and 11 months ago)

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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>