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John Nash (UKMO) SSU Channels

Stratospheric Temperature Time Series 1979 to 2004 Using SSU and AMSU Data from the Operational NOAA Polar Orbiting Satellites A.J. Miller, J. Nash, R. Lin, C. Long, J. Wild, and M.E. Gelman. John Nash (UKMO) SSU Channels. Channel Peak of Weighting Function 47X 0.5 hPa

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John Nash (UKMO) SSU Channels

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  1. Stratospheric Temperature Time Series 1979 to 2004 Using SSU and AMSU Data from the Operational NOAA Polar Orbiting SatellitesA.J. Miller, J. Nash, R. Lin, C. Long, J. Wild, and M.E. Gelman

  2. John Nash (UKMO) SSU Channels ChannelPeak of Weighting Function 47X 0.5 hPa 27 1.5 36X 2.0 26 6.0 25 15.0 26X 20.0 15X 50.0

  3. N-14 minus N-11 7/97-12/03 Standard Deviation • Channel 25 ~ 0.25C • Channel 26 ~ 0.3C • Channel 27 ~ 0.5C

  4. AMSU => SSU via Statistical RegressionNOAA-16 AMSU vs NOAA-14 SSU10/00 – 10/02 14 SSU25, etc = a0 + 3 ai x AMSUi i=9

  5. SSU/AMSU Standard Error of Regression 10/00 – 10/02 47x 27 36x 26 25 26x 15x

  6. SSU Channel 26 – AMSU Simulated SSU

  7. SSU Channel 27 – AMSU Simulated SSU

  8. 50 hPa

  9. 20 hPa

  10. 15 hPa

  11. 6 hPa

  12. 2 hPa

  13. 1.5 hPa

  14. 0.5 hPa

  15. Data Availability • The URL for the SSU dataset is ftp://ftpprd.ncep.noaa.gov/pub/cpc/wd53rl/ssu/cohesive/

  16. Statistical Model • Trend 1979-1996 • Trend change 1/96 • Remove 2 years post Mt. Pinatubo eruption • Seasonal cycle • f10.7 • AO/AAO • QBO • AR(1)

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