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Werner Schmutz, PMOD/WRC
Status of the space weather experiments LYRA/PROBA2
and PREMOS/PICARD
PMOD/WRC COST 724 project:
Short-term variability of the solar UV irradiance and its effects on the stratosphere and mesosphere
COST 724 MC meeting, Sofia 21.-25. May 2007
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Overview
• Status & Schedule• Brief overview LYRA/PROBA2 (shown previously)
• Brief overview PREMOS/PICRAD
• Application for Space Weather:
Now-cast and short-term forecast of ozone in the middle atmosphere
Summary (Status as of Antalya 27.-30. 3.06)
• SWAP (0.1 Hz) + LYRA (60 Hz) on PROBA2 provide the EUV equivalent in Europe of the NOAA SXI + GOES X-ray monitor 2007-2008
• SODISM + PREMOS on PICARD will continue in the near UV and visual 2008/2009-2011
Summary (Status as of today 23.5.07)
• SWAP (0.1 Hz) + LYRA (60 Hz) on PROBA2 provide the EUV equivalent in Europe of the NOAA SXI + GOES X-ray monitor 2008-2009
• SODISM + PREMOS on PICARD will continue in the near UV and visual 2009-2012
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Future PMOD/WRCIrradiance Measurements
C. Fröhlich et al. SOVIM/ISS
2007(?) - 2010
J.-F. Hochedez et al. LYRA/PROBA2
2008 - 2009
W. Schmutz et al. PREMOS/PICARD
2009 - 2012
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Future PMOD/WRCIrradiance Measurements
today
TSI & optical
TSI & optical
UV & FUV
TSI & UV & optical
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Filter Radiometers:
LYRA/PROBA2 (launch 2008)
PREMOS-PFR/PICARD (launch
2009)
LYRA: 10 (Zr), 30 (Al), 125, 215215 nm
PREMOS: 215215, 268, 535, 607, 782
nm
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PICARDPREMOS – SOVAP – SODISM
Total Solar Irradiance
Filter Radiometers
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• LYRA– UV radiometer– PI: JF Hochedez– LYRA.oma.be
• SWAP– EUV imager at 17.5
nm– PIs: D Berghmans &
JM Defise– SWAP.oma.be
Sun
PROBA2: Two solar instruments
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LYRA
3 units12
detectors
24 LEDs…
315.0 x 92.5 x 222.0 mm~A4 size
5.0 kg
1 unit = 4 w
avelength
channels
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Filter & detector response
VUV tests and calibrations made at the Berlin Electron Storage Ring (BESSY) courtesy to ROB, MPS & PTB (Physikalisch-
Technische Bundesanstalt)
30 nm
10 nm
Ly
200 nm
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UV influence on the terrestrial atmosphere
Ozone mixing ratio changes (%) due to a 10% increase of the spectral solar flux in 1 wavelength bin (1 nm).
Ozone Herzberg band
210 nm
Ozone band 270 nm
Ly
30 km: level of max. ozone
change
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Evaluate the response of the middle atmosphere to the solar UV irradiance variability
LYRALYRA2008-20092008-2009InstrumentInstrumenton PROBA2on PROBA2
(built by PMOD/WRC)(built by PMOD/WRC)
Chemistry ionosphereChemistry ionosphereclimate modelclimate model
(CICM)(CICM)extension of CCM SOCOLextension of CCM SOCOL
(Egorova et al.,2005)(Egorova et al.,2005)
Nowcast and short-term forecastNowcast and short-term forecast
of the neutral and ionic composition of the neutral and ionic composition
of the of the
middle atmospheremiddle atmosphere
Statistical toolsfor nowcast and
short-term forecast of the solar irradiance
On-line LYRA datafor space-weather
community monitoring 30 Hz
COST 724 project idea
PREMOSPREMOS2009 - 2012 2009 - 2012 InstrumentInstrumenton PICARDon PICARD
(built by PMOD/WRC)(built by PMOD/WRC)
Input from other WPs
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LYRA measurements:6-hourly solar irradiance at115-125 nm (Lyman-)200-220 nm (Herzberg cont.)
Spectral irradiance for other wavelengthsMeasurements of previous month
Statistical tools
Spectral solar irradiance on model spectral grid for the next 6 hours
Data flow
Input from other WPs
Input from other WPs?
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SOCOL : modeling tool to study SOlar-Climate-Ozone LinksGeneral Circulation component (GCM): MA-ECHAM4 (Manzini & McFarlane,1998)Chemistry/transport component (CTM) : MEZON (Egorova et al., 2003)
GCM CTM
•Winds and temperature•H2O (troposphere)
•Ozone•H2O(stratosphere)
Main properties: ~4ºx4º (T30); L39
0 - ~90 km
Included all relevant physical, dynamical and chemical processes
Simulates wind, temperature, 43 neutral and 48 charged species
CICM SOCOL
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Spectral solar irradiance on model spectral grid for the next 6 hours
Initial fields for 10 ensemble members
10-member model ensemble run
for the next 6 hours
Model output for the next 6 hours
Initialization fields forthe next period
Experimental setup
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Mixing ratio of the neutral species and electrons, negative and positive ion density
for the 6 hour period after the last LYRA measurementand their statistical properties
OO+,+, O O22++, O, O44
++, N, N++, NO, NO++, N, N22++, H, H22OO22
++, H, H33OO++,O,O22++∙N∙N22, O, O22
++∙H∙H22O, HO, H33OO++∙OH, NO∙OH, NO++∙H∙H22O, O, NONO++∙(H∙(H22O)O)22, NO, NO++∙(H∙(H22O)O)33, NO, NO++∙CO∙CO22, NO, NO++∙N∙N22, NO, NO++∙H∙H22O∙COO∙CO22, NO, NO++∙H∙H22O∙NO∙N22, , NONO++∙(H∙(H22O)O)22∙CO∙CO22, NO, NO++∙(H∙(H22O)O)22∙N∙N22, H, H++∙(H∙(H22O)O)22, H, H++∙(H∙(H22O)O)33, H, H++∙(H∙(H22O)O)44, H, H++∙(H∙(H22O)O)55, , HH++∙(H∙(H22O)O)66, H, H++∙(H∙(H22O)O)77, H, H33OO++∙CO∙CO22, H, H33OO++∙N∙N22, H, H++∙(H∙(H22O)O)22∙CO∙CO22, H, H++∙(H∙(H22O)O)22∙N∙N22
e¯,O¯, Oe¯,O¯, O22¯, O¯, O33¯, O¯, O44¯, OH¯, CO¯, OH¯, CO33¯, CO¯, CO44¯, NO¯, NO22¯, NO¯, NO33¯, HCO¯, HCO33¯, ClO¯, Cl¯, ¯, ClO¯, Cl¯, CHCH33¯,O¯,O22¯∙H¯∙H22O, NOO, NO33¯∙H¯∙H22O, COO, CO33¯∙H¯∙H22OO
OO33 , O , O** , O , O , O , O22**, NO, HO, NO, HO22, ClO, NO, ClO, NO22 , OH, NO , OH, NO33, N, N22OO55, HNO, HNO33,HONO,HONO33, ClONO, ClONO22, ,
Cl, N, NCl, N, N**, H, H22OO22, H, HOCl, Cl, H, HOCl, Cl22, Cl, Cl22OO22, HCl ,Br, CH, HCl ,Br, CH22O, BrO, HBr, HOBr, BrNOO, BrO, HBr, HOBr, BrNO33, ,
BrCl, CHBrCl, CH33, CH, CH33OO22, CH, CH33O, HCO, CHO, HCO, CH33OO22H, HH, H22O, CFC-11, CFC-12, NO, CFC-11, CFC-12, N22O, CHO, CH44, CO, , CO,
HH22, CBrF, CBrF33
Output data
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Positive ions
Negative ionsNegative ionsand electronsand electrons
NeutralsNeutrals
Graphs: Exp1-Graphs: Exp1-Exp2Exp2
1)1) Solar maximum Solar maximum with GCR at min + with GCR at min + NO ionizationNO ionization
2)2) Solar minimum Solar minimum control with GCR at control with GCR at max + NO max + NO ionizationionization
Model sensitivity to the changes of the solar spectral irradiance from minimum to the maximum of the solar activity
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SUSIM data
SOCOL SOCOL calculationscalculations
Microwave Radiometer SOMORA :
Data provided byBern University
Group of N.Kämpfer
Red: Ly-alphaBlue: Herzberg
(scaled)
Comparison 3D simulation and observations: signal of 27-day solar cycle in ozone
Thank you for your attention!
Integration of LYRA on PROBA2
5.3.2007
Silvio Koller
LYRA PM
