TH4-TO3_5-smos_in_flight.ppt

SMOS IN FLIGHT SYSTEM PERFORMANCES ASSESSEMENT AVFETER 1 YEAR IN ORBIT F Cabot, A. AlBitar, , P. Richaume, Y.H. Kerr

Reprocessed Data Quality and Stability ,[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Reprocessed L1C ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Geolocation assessment ,[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Madagascar Coastline access Igarss '11 - Vancouver

Model fitting results Igarss '11 - Vancouver

Ascending - Descending ,[object Object],[object Object],Igarss '11 - Vancouver

Temporal evolution of the geolocation over Madagascar ,[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Acquisitions over DomeC ,[object Object],Igarss '11 - Vancouver

Radiometric Accuracy over Dome C ,[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Radiometric Accuracy over Dome C ,[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Polarisation signature ,[object Object],Igarss '11 - Vancouver DomeX data, G. Macelloni Tv Domex-2 operative 2009 Th Domex-2 operative 2009 Th Domex-2 Initial 2009 Tv Domex-2 Initial 2009 Tv domex2010 th domex2010

Absolute brightness temperature accuracy ,[object Object],Igarss '11 - Vancouver

Bias variations within FoV ,[object Object],[object Object],Igarss '11 - Vancouver

Dielectric constants Igarss '11 - Vancouver Antarctica: Re and Im *10 + 220 (magenta) ECMWF temperature (blue)

Stability and radiometric accuracy over Dome Concordia ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Analysis of acquisitions over Dome C Igarss '11 - Vancouver

Long term stability ,[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Long term stability Igarss '11 - Vancouver

Long term stability in ground reference frame Igarss '11 - Vancouver

METRICS Igarss '11 - Vancouver TX TY T3 T4 TX TY T3 T4 TH TV T3 T4 TH TV T3 T4

Radiometric Accuracy over Dome C ,[object Object],[object Object],Igarss '11 - Vancouver Old Antenna Model Radiometric Acc. (K) Antenna (Surface) X pol (H pol) Y pol (V pol) X from XY (H from XY) Y from XY (V from XY) T3 T4 Theoretical at boresight 2.12 2.17 3.45 3.47 2.94 2.94 Measured at boresight 2.48(2.48) 2.39(2.38) 4.09(4.07) 3.81(3.84) 2.91(5.75) 3.11(6.22) Measured in 0.3 circle 2.71(2.79) 2.56(2.61) 4.15(4.17) 4.18(4.18) 3.26(6.11) 3.18(6.37) Measured in AF FoV 2.82(2.97) 2.70(2.79) 4.29(4.35) 4.34(4.34) 3.39(6.20) 3.29(6.57) Measured in EAF FoV 3.29(3.74) 3.33(3.62) 5.12(4.76) 5.28(4.78) 4.09(7.07) 4.01(8.01) New Antenna Model Radiometric Acc. (K) Antenna (Surface) X pol (H pol) Y pol (V pol) X from XY (H from XY) Y from XY (V from XY) T3 T4 Theoretical at boresight 2.08 2.15 3.36 3.47 2.90 2.90 Measured at boresight 2.35(2.36) 2.58(2.36) 4.10(4.08) 3.99(4.00) 2.91(5.73) 3.15(6.29) Measured in 0.3 circle 2.56(2.65) 2.61(2.68) 4.08(4.12) 4.21(4.19) 3.24(6.08) 3.18(6.35) Measured in AF FoV 2.67(2.82) 2.73(2.82) 4.21(4.30) 4.36(4.34) 3.37(6.17) 3.28(6.56) Measured in EAF FoV 3.19(3.66) 3.27(3.56) 4.97(4.66) 5.29(4.72) 4.03(6.99) 3.93(7.85)

Radiometric performances Igarss '11 - Vancouver

Radiometric performances 3/4 Igarss '11 - Vancouver

New antenna model summary ,[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

Conclusions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Igarss '11 - Vancouver

TH4-TO3_5-smos_in_flight.ppt

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TH4-TO3_5-smos_in_flight.ppt