Stratospheric Temperature Time Series 1/79 to 12/05 J. Nash, R. Lin and A.J. Miller
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Transcript of Stratospheric Temperature Time Series 1/79 to 12/05 J. Nash, R. Lin and A.J. Miller
![Page 1: Stratospheric Temperature Time Series 1/79 to 12/05 J. Nash, R. Lin and A.J. Miller](https://reader034.fdocuments.in/reader034/viewer/2022051518/56813025550346895d95adb2/html5/thumbnails/1.jpg)
Stratospheric Temperature Time Series 1/79 to 12/05
J. Nash, R. Lin and A.J. Miller
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Tiros, NOAA- 6, 7, 8, 9, 11, 14 - SSUNOAA-15, 16, 17, 18 - AMSU
AQUA - AMSU
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![Page 4: Stratospheric Temperature Time Series 1/79 to 12/05 J. Nash, R. Lin and A.J. Miller](https://reader034.fdocuments.in/reader034/viewer/2022051518/56813025550346895d95adb2/html5/thumbnails/4.jpg)
Data Availability Nash SSU data 1/79-5/98 standardized to NOAA-6 NOAA N-14 data 6/98 – 12/05; overlap Nash 7/95-5/98 to remove bias;
not adjusted for semi-diurnal tides NOAA N-11 data 7/97 – 12/03; overlap Nash 7/97-5/98 to remove bias;
not adjusted for semi-diurnal tides In addition, overlap N-11 with N-14 2001 to remove bias;
not adjusted for semi-diurnal tides AMSU-15 data 7/98 – present * Channel 14 lost 11/00
* Channel 11 lost 5/02* Data stable to within 0.02C, 1998-2005 * Use 4 channels for entire period* Regressed against N-14 7/98-6/00 to simulate SSU
AQUA data 1/03 – present* Regressed against N-14 1/03-12/03 to simulate SSU* Use 6 channels
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John Nash (UKMO) SSU Channels
Channel Peak of Weighting Function47X 0.5 hPa27 1.536X 2.0 26 6.025 15.0
26X 20.0 15X 50.0
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NOAA N-14 minus NASH N-14
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NOAA N-14 minus NASH N-14
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NOAA N-11 minus NASH N-14
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NOAA N-11 minus NASH N-14
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AMSU => SSU via Statistical Regression
14SSU25, etc = a0 + ai x AMSUi
i=9
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AMSU N-15 SD of Simulation of N-14 SSU7/98- 6/00
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AQUA AMSU SD of Simulation of N-14 SSU1/03- 12/03
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Integrated Temperature 70N-70S
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Data Availability
• The URL for the SSU dataset will beftp://ftp.cpc.ncep.noaa.gov/wd53rl/ssu/cohesive/