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GSICS Annual Meeting; MW Sub-Group

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Presentation on theme: "GSICS Annual Meeting; MW Sub-Group"— Presentation transcript:

1 GSICS Annual Meeting; MW Sub-Group
Initial Demonstration of Polar Satellite Microwave Data Monitoring (for climate) Using GRUAN Radiosonde Cheng-Zhi Zou (NOAA) Bomin Sun (IMSG) Tony Reale (NOAA) GSICS Annual Meeting; MW Sub-Group March 2018 Shanghai, China

2 Lindenberg, Germany; GRUAN RS92 Radiosonde Sample (profiles per month)
Green: 00 utc Red: utc Blue: utc Black: utc

3 Lindenberg; GRUAN RS92 Temp Anomaly (middle troposphere, 500 hPa)
Green: 00 utc Red: utc Blue: utc Black: utc

4 Lindenberg; GRUAN RS92 Temp Anomaly (upper troposphere, 103.1 hPa)
Green: 00 utc Red: utc Blue: utc Black: utc

5 Lindenberg; GRUAN RS92 Temp Anomaly (lower stratosphere, 51.5 hPa)
Green: 00 utc Red: utc Blue: utc Black: utc

6 MSU Weighting Functions (nadir)

7 Lindenberg; GRUAN vs. STAR Microwave CDR
Lindenberg; GRUAN vs. STAR Microwave CDR MSU CH2, Middle Troposphere Monthly Anomaly Green: 00 utc Red: utc Blue: utc Black: utc Gray: NOAA STAR MW CDR

8 Lindenberg; GRUAN vs. STAR Microwave CDR
Lindenberg; GRUAN vs. STAR Microwave CDR MSU CH3, Upper Troposphere Monthly Anomaly Green: 00 utc Red: utc Blue: utc Black: utc Gray: NOAA STAR MW CDR

9 Lindenberg; GRUAN vs. STAR Microwave CDR
Lindenberg; GRUAN vs. STAR Microwave CDR MSU CH4, Lower Stratosphere Monthly Anomaly Green: 00 utc Red: utc Blue: utc Black: utc Gray: NOAA STAR MW product

10 Preliminary Result & Path Forward
The GRUAN radiosonde data at Lindenberg, Germany are used to assess the NOAA STAR (i..e, Cheng-Zhi Zou et al.) polar satellite MSU CDR in long-term climate monitoring The two datasets match well on inter-annual and decadal time scales for the middle and upper troposphere Lack of radiosonde data (due to balloon burst) and possible radiosonde radiation errors (maximum at noon) in low stratosphere poses challenges Plan to extend the analysis to other GRUAN sites as available, preferably tropical and polar Plan to integrate measurement uncertainties, version-3 GRUAN and address feasibility of using GRUAN for respective satellite sensor monitoring

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