surface solar irradiance from seviri satellite data wouter greuell, jan fokke meirink and ping wang...
TRANSCRIPT
![Page 1: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/1.jpg)
SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATAWouter Greuell, Jan Fokke Meirink and Ping WangRoyal Netherlands Meteorological Institute (KNMI)
![Page 2: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/2.jpg)
DATA SET
• Input: SEVIRI (METEOSAT) cloud mask and cloud properties
• Spatial resolution: 3 x 3 km2 at nadir (4 x 7 km2 for NL)
• Temporal resolution: 4 images / hour
• From 2004
![Page 3: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/3.jpg)
SICCS: SURFACE INSOLATION IN CLOUDY
CONDITIONS FROM METEOSAT SEVIRI IMAGERY - ALGORITHM
Measured radiances
attwo
wavelengths
Cloudproperties
SurfaceSolar
Irradiancefor
broadband
narrowbandRTM
broadbandRTM
Cloudmask
for clearpixel
forcloudypixel
Aerosolproperties,
Surfaceelevation
broadbandRTM
![Page 4: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/4.jpg)
SOME REMARKS
• Global, direct and diffuse irradiance
• Algorithm is physics-based
![Page 5: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/5.jpg)
INPUT
• Cloud mask from METEOSAT SEVIRI
• Cloud properties (phase, optical thickness and
particle size) from METEOSAT SEVIRI
• Aerosol optical depth from MACC
• Surface albedo derived from MODIS surface albedo
• Integrated water vapor from ECMWF
![Page 6: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/6.jpg)
DIRECT IRRADIANCE FOR CLOUDY SKIES
• Plane-parallel assumption does not work
• Gaps in clouds are crucial
• On y-axis ratio of• Measured direct
irradiance• by computed clear-sky
direct irradiance
![Page 7: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/7.jpg)
VALIDATION WITH BSRNBaseline Surface Radiation Network
Cabauw
Toravere
Payerne
Carpentras
Sede Boqer
PalaiseauCamborne
Lerwick
Lindenberg
Hourly means - 2006
![Page 8: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/8.jpg)
CLEAR SKY DIRECT, MACC INPUT
green = spring, blue = summer, red = autumn, black = winter
Cabauw, direct Carpentras, direct
![Page 9: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/9.jpg)
CLEAR SKY GLOBAL, MACC INPUT
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 10: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/10.jpg)
ALL SKY DIRECT
green = spring, blue = summer, red = autumn, black = winter
Cabauw, direct Carpentras, direct
![Page 11: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/11.jpg)
ALL SKY GLOBAL
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 12: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/12.jpg)
SNOW ALL SKY
Lindenberg, global Toravere, global
![Page 13: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/13.jpg)
MAP NETHERLANDS2006, global irradiance
1981-2010, precipitation
![Page 14: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/14.jpg)
MAP IBERIAN PENINSULA
![Page 15: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/15.jpg)
CONCLUSIONS
Station mean absolute value of the bias:Direct irradiance: 6 W/m2, 4.1% Diffuse irradiance: 5 W/m2, 3.4%Global irradiance: 7 W/m2, 1.9%
Strong points:high temporal and spatial resolutionbased on physicsability to deal with snowalbedo background map
Weak points:limited to METEOSAT disccoastal regionsrelief effects not considered
Data will be made available for user on the Internet
![Page 16: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/16.jpg)
![Page 17: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/17.jpg)
![Page 18: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/18.jpg)
INTERPOLATION OF ALBEDO• From MODIS MCD43C3
• Temporal resolution: 8 days
• Spatial resolution: 0.05 x 0.05 degrees
• Combination of linear
interpolation and
mean annual cycle
• Includes snow
and ice
![Page 19: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/19.jpg)
CLEAR SKY DIRECT, AERONET INPUTgreen = spring, blue = summer, red = autumn, black = winter
Cabauw, direct Carpentras, direct
![Page 20: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/20.jpg)
CLEAR SKY DIFFUSE, AERONET INPUT
green = spring, blue = summer, red = autumn, black = winter
Cabauw, diffuse Carpentras, diffuse
![Page 21: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/21.jpg)
CLEAR SKY GLOBAL, AERONET INPUT
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 22: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/22.jpg)
WATER CLOUDS GLOBAL
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 23: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/23.jpg)
ALL SKY GLOBAL
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 24: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/24.jpg)
TABLE BIASES
BSRN stationClear sky
BSRNClear sky SEVIRI
Water clouds
Ice clouds
All clouds
All skies
6 stations -0.001 +0.013 +0.009 -0.003 +0.004 +0.006
Lerwick -0.027 +0.021 +0.020 +0.015 +0.015 +0.016
Toravere -0.003 +0.007 +0.017 +0.039 +0.025 +0.020
Note: ice cloud transmissivity was corrected by -0.0375
Transmissivities
![Page 25: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/25.jpg)
HIGH SOLAR ZENITH ANGLES
Cabauw, global Lindenberg, global
![Page 26: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/26.jpg)
DEPENDENCE ON COT, REFF, SZA
![Page 27: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/27.jpg)
10 YEARS MODIS ALBEDOVisual Near-infrared
![Page 28: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/28.jpg)
COMPARISON IN-SITU DATA
Red: coastal stations
Blue: other stations
![Page 29: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/29.jpg)
![Page 30: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/30.jpg)
CLEAR DIRECT, MONTHLY AERONET
green = spring, blue = summer, red = autumn, black = winter
Cabauw, direct Carpentras, direct
![Page 31: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/31.jpg)
CLEAR GLOBAL, MONTHLY AERONET
green = spring, blue = summer, red = autumn, black = winter
Cabauw, global Carpentras, global
![Page 32: SURFACE SOLAR IRRADIANCE FROM SEVIRI SATELLITE DATA Wouter Greuell, Jan Fokke Meirink and Ping Wang Royal Netherlands Meteorological Institute (KNMI)](https://reader035.vdocuments.net/reader035/viewer/2022062404/5515204e550346c77d8b51a2/html5/thumbnails/32.jpg)
OTHER INPUT
Measured radiances
attwo
wavelengths
Cloudproperties
SurfaceSolar
Irradiancefor
broadband
narrowbandRTM
broadbandRTM
Cloudmask
for clearpixel
forcloudypixel
Aerosolproperties,
Surfaceelevation
broadbandRTM
H2O,surfacealbedo,
SZA
H2O, surfacealbedo, SZA