operation plan and current status of cindy2011 kunio yoneyama and masaki katsumata (jamstec) 1.basic...
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Operation Plan and Current Status of CINDY2011
Kunio Yoneyama and Masaki Katsumata (JAMSTEC)
1. Basic Idea2. Observation Network3. Current Status
DYNAMO Planning Workshop at NOAA/ESRL Boulder, CO, April 13-14, 2009
CINDY2011 : Cooperative Indian Ocean experiment on isv in the Year 2011
Purpose :Study on Intraseasonal Variability in the Indian Ocean with focus on the initiation of convection in Madden-Julian Oscillation.
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Scientific Background – Period & Location
Preference of MJO-convection Occurrence
Period : November – January
Location : 80E – 100E
(Above is convective center. Western edge of convective ensemble is often found around 60E)
MISMO
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Observation Plan - Basic Idea
Basic Strategy :Based on the experience of MISMO, the key of the experiment is to construct a long-time (over
intraseasonal period) and wider areal observation network with ships and land-based sites in collaboration
with RAMA buoy array.* It should be appropriate to evaluate contribution from Rossby wave.* Multi-national effort (Japan, USA, Australia, India, Seychelles, Indonesia, France, … )* Numerical group should be involved. (ex. NICAM)
Period : Oct. 2011 – Jan. 2012
Location : On and around the central equatorial Indian Ocean
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Ship (Japan, India, USA, Australia, etc.)
RAMA Surface mooring (existing/planned as of Dec. 2008)
Land-based sounding site (routine/possible enhanced sites)
Proposed Network for CINDY2011
HARIMAUSeychelles
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Tentative Schedule of R/V Mirai
Oct. 10 leave JapanOct. 20 call at SingaporeOct. 25 arrive Observation pointNov. ?? call at Maldives (1-2 days)Dec. 15 leave Observation pointDec. 19 arrive Seychelles------------------------------------Dec. 20 leave Seychelles for WOCE-type cruise
Remarks.1) Cruise consists of 2 legs
(Singapore ~ Maldives, Maldives ~ Seychelles)2) Flexibility with maximum 2 weeks shift (backward or forward)
About 50 days on station
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Observations on-board the R/V Mirai
Expected Measurement Systems to be used : C-band Doppler radar Radiosonde ( every 3h to resolve diurnal cycle ) Surface Meteorology including Solar radiation and Turbulent Flux Skin Sea Surface Temperature measurement CTD ( every 3 or 6h ) with water sampling ADCP
Vertical-pointing 95-GHz Cloud radar LIDAR Ozone-sonde Videosonde Microstructure Profiler
Maintenance of RAMA buoys (2 ADCP and 2 Surface buoys ?)
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Relevant Proposal in JAMSTEC
Repeat Hydrography along WHP – I02 (8ºS) and I10 (~111ºE)
PI : Dr. Akihiko Murata /JAMSTEC
Period : 55 days in Dec. 2011 – Feb. 2012 (after CINDY cruise)
Measurements : 217 CTD stations from Surface to the Bottom
Temp., Sal, DO, Nutrients, Total dissolved inorganic carbon, Total Alkalinity, pH, CFCs, 14C, 13C, etc.
Data will be submitted to CLIVAR & Carbon Hydrographic Data Office http://whpo.ucsd.edu/
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Participation from India and Australia
India
* R/V Sagar Kanya (India) - Committed -1) led by S. P. Kumar (NIO) Biogeochemical cruise (CTD at fixed site) 30 days in IO They will look for the possibility of Radiosonde observation.
2) led by VSN Murty (NIO) RAMA cruise (~30 days)
Australia
* R/V Southern Surveyor (Australia) - Will be Proposed -led by E. Schulz, M. Wheeler, H. Hendon (CAWCR)From Colombo, Sri Lanka to Christmas Islandmax 25 days on stationAir-sea flux + Radiosonde sounding
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HARIMAU (Hydrometeorological ARray for ISV-Monsoon Automonitoring)
http://www.jamstec.go.jp/iorgc/harimau/
Doppler radar Wind Profiler
Doppler radar + Auto Weather Station
Wind Profiler + Auto Weather Station
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Radiosonde Observation at Seychelles
Seychelles National Weather Services will conduct radiosonde sounding twice daily during the campaign (4 months) with intensive 6-hourly launch for designated 1 month (i.e., late October - early December).
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Misc.
Web Pages
CINDY http://www.jamstec.go.jp/iorgc/cindy/
MISMO http://www.jamstec.go.jp/iorgc/mismo/
Data Policy
Encourage participants to open QCed data within 1-year from the end of campaign (~ Feb. 2013)
Symposium or Workshop in 2012
1 year from CINDY 20 years from TOGA-COARE
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Eastward and Westward Propagating Signals
Velocity Potential + TBB Vorticity PWV Anomaly
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Impact of MISMO Radiosonde Data onto Reanalysis Data set
Using reanalysis data called ALERA (AFES-LETKF Experimental Reanalysis) which uses ensemble Kalman filter assimilation technique, we examined the impact of MISMO radiosonde data onto objective reanalysis.
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Temporal Buoy deployment (not fixed yet)
80.5E Process Study by NOAA/PMEL & NIO
m-TRITON ?ADCP
79E
ATLAS ADCP82E
or
ADCP mooring ( 1 yr )
Surface Buoy (only IOP)
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Scientific Background – Location
MJO-associated OLR variance (in W2m-4) during the OND season for 1974-2006, computed using multiple linear regression of daily OLR data with the two-component (RMM1,RMM2) Wheeler-Hendon MJO index.
Courtesy M. Wheeler
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SST Measurement by ISAR and Sea-snake
Borrowed from Prof. Minnett / U. of MiamiOperated by Dr. Reynolds / RMR Co.
ISAR
“Sea-snake”Floating thermistor
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Surface Meteorological Parameters at 0, 80.5E from Oct. 27 to Nov. 25
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Example : Diurnal Cycle
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Mie-scattering LDIAR by NIES
Specification : Laser: Nd:YAG Wavelength: 532 nm (with depolarization measurement), 1064 nm Laser power: 50 mJ/pulse Pulse repetition: 10 Hz Detector: PMT(532) / APD(1064) Digitizer: 12 bit ADC Temporal resolution: 10 sec Vertical resolution: 6 m Range: 0 - 18 km
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95-GHz Cloud Profiling Radar by Chiba Univ. and Tohoku Univ.
Specification : FM-CW Frequency : 94.79 GHz Power: 0.5W (27 dBm) Vertical resolution: 15 m Maximum Range: 20 km
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Video-sonde Observation by Yamaguchi Univ.