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National Ozone Monitoring Research & Education Center, National Ozone Monitoring Research & Education Center, Belarus State University,Belarus State University,
Minsk, BelarusMinsk, Belarus
National Report National Report of the Republic of Belarusof the Republic of Belarus
for the for the 77th WMO/UNEP th WMO/UNEP Ozone Research Managers MeetingOzone Research Managers Meeting
Geneva, 19-21 May 2008Geneva, 19-21 May 2008
PION Instrument for measuring of total ozone amount in the atmosphere by means of registration of solar ultraviolet Instrument for measuring of total ozone amount in the atmosphere by means of registration of solar ultraviolet radiation at a number of wavelengths (up to 20) in the spectral region of 295 – 320 nm in dependence of total ozone radiation at a number of wavelengths (up to 20) in the spectral region of 295 – 320 nm in dependence of total ozone value, weather conditions, and inclination angle of the Sun.value, weather conditions, and inclination angle of the Sun. Possibility of total ozone observations at low sun inclination angles (Possibility of total ozone observations at low sun inclination angles ( 8 8).). Available measurements of direct sun UV-B spectral distribution in 295 – 320 nm region.Available measurements of direct sun UV-B spectral distribution in 295 – 320 nm region.
Fully automatic processes of measurement and data storage under the control of an external personal computer.Fully automatic processes of measurement and data storage under the control of an external personal computer. Precise automatic sun tracking system.Precise automatic sun tracking system. Portable construction.Portable construction. Possible application for treating the variety of other problems of ultraviolet atmospheric optics by reprogramming.Possible application for treating the variety of other problems of ultraviolet atmospheric optics by reprogramming.
- a universal ultraviolet solar spectrophotometer-ozonometer
BelarusBelarus Column ozone measurementsColumn ozone measurements
Total ozone measurement accuracyTotal ozone measurement accuracySpectral rangeSpectral range
ResolutionResolutionWavelength stabilityWavelength stability
Dynamic rangeDynamic rangeNon-linearity coefficientNon-linearity coefficient
Spectrum registration timeSpectrum registration timeTotal ozone single registration timeTotal ozone single registration time
Total error of tracking the SunTotal error of tracking the SunInterfaceInterface
Operating temperatureOperating temperaturePowerPower
DimensionsDimensionsWeightWeight
± 2%;± 2%;295-320 nm;295-320 nm;0.35 nm;0.35 nm;± 0.01 nm;± 0.01 nm;101044;;0.5%;0.5%;30 s;30 s;5 – 10 s;5 – 10 s;1’;1’;RS232C;RS232C;-20 +40-20 +4000 C; C;50 W;50 W;700x300x200 mm;700x300x200 mm;15 Kg15 Kg
PION - an universal ultraviolet solar spectrophotometer-ozonometer
Column ozone measurementsColumn ozone measurementsBelarusBelarus
7 8 9 10 11 120.00
0.05
0.10
0.15
0.20
0.25
0.30
No evident enfluence of cloudiness on total ozone values.Total ozone slightly rises. Frequent phenomenon
Signals of the sun tracking system,frequent clouds
Total ozone record 05.10.1997, Minsk, Belarus
Total ozone, atm-cmSignal of the sun tracking system, relative units
GMT, hours
Samples Samples of measurementsof measurements
4 6 8 10 12 14 160,00
0,05
0,10
0,15
0,20
0,25
0,30
0,35
0,40
1
2
3
4
5
6
7
Ozone, atm-cmAir mass
GMT, h
Total ozone data for 20.08.2001, Voeikovo
4 6 8 10 12 14 160,00
0,05
0,10
0,15
0,20
0,25
0,30
0,35
0,40
1
2
3
4
5
6
7
GMT, h
Air massOzone, atm-cm
Total ozone data for 23.08.2001, Voeikovo
4 6 8 10 12 140,00
0,05
0,10
0,15
0,20
0,25
0,30
0,35
0,40
1
2
3
4
5
6
GMT, h
Air massOzone, atm-cm
Total ozone data for 24.08.2001, Voeikovo
PION - an universal ultraviolet solar spectrophotometer-ozonometer
Column ozone measurementsColumn ozone measurementsBelarusBelarus
8 10 12 14 16 1822 0
24 0
26 0
28 0
30 0
32 0
34 0
36 0
D is tor ted d a ta
C o r rec ted da ta
To
tal
oz
on
e,
Do
bs
on
un
its
G M T, h o ur
1
2
3
4
5
-v
alu
e
a modified procedure of the a modified procedure of the extraterrestrial constant calibration taking extraterrestrial constant calibration taking account of changing measured diurnal account of changing measured diurnal column ozone data is proposed;column ozone data is proposed;
testing and correction of the wavelength testing and correction of the wavelength setting;setting;
Langley absolute calibration of the Langley absolute calibration of the spectrometer;spectrometer;
tuning of the sun-tracking system.tuning of the sun-tracking system.
The concept of self-calibration of network The concept of self-calibration of network ozonometers, announced earlier, gains the ozonometers, announced earlier, gains the further development.further development.
Institute of Physics of National Academy of Sciences (IPNAS) Lidar station , Minsk
Profile measurements of ozone and other gasesProfile measurements of ozone and other gasesBelarusBelarus
Profile measurements of ozone and other gasesProfile measurements of ozone and other gasesBelarusBelarusIPNAS Lidar station , Minsk
Profiles of ozone concentration, Minsk, 2007
0.0
10.0
20.0
30.0
40.0
0.E+00 2.E+12 4.E+12 6.E+12
1/(cm^3)
Alt
itu
de,
km 5-11-07
27-09-07
27-03-07
24-03-07
Profile measurements of ozone and other gasesProfile measurements of ozone and other gasesBelarusBelarusNOMREC Ozonometric station , Minsk. Total NO2 measurements
Total NOTotal NO22 measurements according measurements according
NDSC standard. NDSC standard. Modified MDR-23 monochromator. Modified MDR-23 monochromator.
PION-UV - an automatic ultraviolet spectroradiometer
BelarusBelarus UV measurementsUV measurements
Compact instrument for measuring of absolute intensities and spectral distribution of the Compact instrument for measuring of absolute intensities and spectral distribution of the direct and scattered UV solar radiation in the spectral range of 280 - 450 nm.direct and scattered UV solar radiation in the spectral range of 280 - 450 nm.
Optimized to all kinds of UV radiation measurements (double holographic grating Optimized to all kinds of UV radiation measurements (double holographic grating monochromator with dispersion subtraction); possible application for treating the variety of monochromator with dispersion subtraction); possible application for treating the variety of other problems of ultraviolet atmospheric optics by reprogramming.other problems of ultraviolet atmospheric optics by reprogramming. Portable construction.Portable construction.
290 310 330 350 370 390 410 430 4500
5
10
15
20
25
0
20
40
60
80
100
120
Irrad
ianc
e (
W/ c
m
2 nm
)
Wavelength (nm)
BelarusBelarus Information to the publicInformation to the public
Mapping and UV Index forecast generated specifically for different regions have Mapping and UV Index forecast generated specifically for different regions have been realized since 2006. been realized since 2006.
UV Index short-term forecast for all territory of the republic as well as a map (for UV Index short-term forecast for all territory of the republic as well as a map (for clear sky and assuming predicted overcast) is submitted to the National news clear sky and assuming predicted overcast) is submitted to the National news agency Belagency BelТАТА on a daily basis and published in republican newspapers on a daily basis and published in republican newspapers "Zviazda" and "Obozrevatel"."Zviazda" and "Obozrevatel".
These data are also available on the NOMREC site at These data are also available on the NOMREC site at http://ozone.bsu.by and on and on the official site of the Republican weather center at the official site of the Republican weather center at http://www.pogoda.by. A . A corresponding program automatically updating site information has been corresponding program automatically updating site information has been originated by the NOMREC. Two brochures named “20 years of the Montreal originated by the NOMREC. Two brochures named “20 years of the Montreal Protocol” and ”UV radiation safe application” were specially published in 2007 for Protocol” and ”UV radiation safe application” were specially published in 2007 for a national meeting of environmental specialists dedicated to the 20a national meeting of environmental specialists dedicated to the 20thth anniversary anniversary of the Montreal Protocol. of the Montreal Protocol.
BelarusBelarus Analysis & other researchAnalysis & other research
Daily values of surface temperature and total ozone (smoothed by 4 point moving average).Daily values of surface temperature and total ozone (smoothed by 4 point moving average).
300
320
340
360
380
400
420
15.5 29.5 12.6 26.6 10.7 24.7 7.8
284
286
288
290
292
294
296
298
300
T, K
Tot
al o
zone
, DU Total ozone
Date
2006
Surface temperature
15.5 29.5 12.6 26.6 10.7 24.7 7.8280
290
300
310
320
330
340
350
360
288
290
292
294
296
298
Total ozone
Tot
al o
zone
, DU
2007
Date
T, K
Surface temperature
BelarusBelarus Surface OzoneSurface Ozone
DOAS Instrument with Zero Path TrIO-1
Optical schemeOptical scheme
Spectral range 210-350 nm
Excitation quartz halogen lamp + interference filter
Detecting system double monochromator + photomultiplier tube
Dispersion 1,3 nm/mm
“Open- long- path” length 150 m
Detectivity limit 1.5 ppb
BelarusBelarus Surface OzoneSurface Ozone
Concentration of surface ozone. Data received at the Minsk Concentration of surface ozone. Data received at the Minsk ооzone station are zone station are marked with asterisks, those from Berezina National Park – with circles. Results of marked with asterisks, those from Berezina National Park – with circles. Results of
data smoothing with the averaging period for 15 days are brought.data smoothing with the averaging period for 15 days are brought.
DOAS Instrument with Zero Path TrIO-1
30 60 90 120 150 180 210 240 270 300 330 360
0
10
20
30
40
50
60
70
80
Julian day
[O3], ppb
The results of monitoring of the surface ozone concentration at both stations for 2007 The results of monitoring of the surface ozone concentration at both stations for 2007
13
M-124 upgradeM-124 upgrade
M-124 ozonometer upgraded at Molodezhnaya Antarctic station
BelarusBelarus
14
M-124 upgradeM-124 upgradeBelarusBelarus
Total ozone data measured at Molodezhnaya Antarctic station Total ozone data measured at Molodezhnaya Antarctic station
0 5 10 15 20 25 30 35 40 45 50 55 60 65
250
300
serial number
To
tal
ozo
ne
, D
U
OMI M-124M
31.12.06 31.01.07 13.02.07
17.12.06
15
M-124 upgradeM-124 upgradeBelarusBelarus
300 302 304 306 308 310 312 314 316 318 320 322 324 326 328 3300
10
20
30
40
50
60
70
80
90
100
110
120
130
140S
, r
ela
tiv
e u
nit
s
nm
Relative spectral sensitivitiesRelative spectral sensitivities
16
7, Kurchatov Str., Minsk, Belarus7, Kurchatov Str., Minsk, BelarusPhone/Fax: 375 172 781795Phone/Fax: 375 172 781795
[email protected]@bsu.by
National Ozone Monitoring National Ozone Monitoring Research & Education Center Research & Education Center
Minsk, BelarusMinsk, Belarus
Thank You!Thank You!