CIMO 8th International Radiosonde Intercomparison at ... · at Yangjiang, China July 2010 GRUAN...
Transcript of CIMO 8th International Radiosonde Intercomparison at ... · at Yangjiang, China July 2010 GRUAN...
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
CIMO8th International Radiosonde Intercomparison
at Yangjiang, ChinaJuly 2010
GRUAN ContributionHolger Vömel
Franz Immler
June Wang
Masatomo Fujiwara
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Yangjiang site
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Location
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Operational sondes launch at Yangjiang
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
SSI launch
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Operational Radiosondes
Thin film Capacitor(E+E)Chip thermistorGPS LMS6Lockheed Martin Sippican INC
Thin film Capacitor(E+E)Bead thermistorGTS(U)1-1China HUAYUN
Thin film Capacitor (E+E)Bead resistanceCF-06-ABeijing Chang Feng
Thin film capacitor, heated twin sensorCapacitive wireRS92-SGPVaisala Oyj
Capacitance polymerThermistorRS-06GMEISEI Co. LTD
Thin film Capacitor(E+E)NTC ThermistorRSG-20AJIN YANG
HS02 China HumicapCylindrical thermistorGTS1-2 digitalNanjing Da Qiao Machine Co Ltd
Hygroclip Rotronic / Snow White hygrometerThermocoupleSRS-C34Meteolabor
Thin film Capacitor(E+E)ThermistorDFM-09GRAW Radiosondes
Capacitive polymerBead thermistorM2K2DCMODEM
Thin film Capacitor(E+E)Bead thermistoriMet2Intermet
Humidity sensorTemp. sensorRadiosondeCompany
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Scientific Soundings Instruments
Opportunity sondeThin film (E+E)
Thermistor DFM-09 Graw GmbH
Thin film (E+E)
Multi chip thermistors
LMS-6L. M. Sippican INC
Multithermistor
-Tungsten wireMeisei RS-06G
MEISEI Co. LTD
MTR
Not in comparisonsThin film Drycap
-Vaisala RS92Vaisala OyjRD100
PTU from RS92Frost-point hygrometer
-Intermet Imet1
EnSci Corp. CFH
Comments Humidity sensor
TemperatureSensor
RadiosondeCompany SSI Sensor
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Campaign period
Campaign period July 12-Aug 3
72 Launches in total:
60 launches of operational radiosondes 4 x daily in 2 groups
Each manufacturer approx 15x day, 15x night
12 launches of SSI payloads 6x night, 6x day
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Scientific Soundings Instruments
RR01&MTR tied to bamboo rigyyy14:53:007/30/1066 (12)
RR01&MTR tied to bamboo rigyyy14:48:347/29/1061 (11)
RR01&MTR tied to bamboo rigyyy15:05:317/28/1056 (10)
RR01 tied to bamboo rig; No MTR (shortage of sondes); CFH suspended on side
nyy02:55:477/27/1053 (9)
RR01 tied to bamboo rig, yny02:49:517/26/1048 (8)
RR01&MTR tied to bamboo rig yny03:01:247/25/1043 (7)
MTR broke at launch; no Multithermistor datayyy14:45:027/21/1032 (6)
nny12:51:237/20/1026 (5)
nny03:06:257/18/1020 (4)
No MTR/Meisei GPS/P data nyn02:56:497/17/1015 (3)
nyy02:59:287/16/1010 (2)
nny12:58:007/14/1002 (1)
Comments GrawUn-
winderPara-chute
Time(LST)
DateFlight #
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Remote sensing
?Microwave Radiometer
VaisalaCL51 Ceilometer
?Mobile Boundary Layer Wind Profiler Radar
?Millimetre-wave Cloud-detection Radar
?All-sky imager
CMAS band Doppler Weather Radar
CMAGPS/MET water vapour network
Provided byEquipment
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Report
Report about this campaign is currently in preparation
1st writing workshop in Geneva 15-18 February 2011
Details on the comparison are confidential until manufacturers comments are included
Manufacturers meeting at Payerne 29-31 March 2011
Final release of report May/June 2011
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Balloon performance
Burst Height (m) & Pressure
0
5000
10000
15000
20000
25000
30000
35000
40000
45000
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55 57 59 61 63 65 67 69 71
Flight Number
H
e
i
g
h
t
(
m
)
0. 0
20. 0
40. 0
60. 0
80. 0
100. 0
120. 0
140. 0
160. 0
180. 0
200. 0
P
r
e
s
s
u
r
e
Bur st Hei ght Bur st Pr essur e
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature night
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature night
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature day
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature day
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature comparison Multithermistor vs Vaisala
red: daytimeblue: nighttime
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Temperature comparison Meisei MTR vs Vaisala
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Water vapor
RD100 first tropical test
Understanding that this is a test of an instrument in development and that failure may happen
Fear of contamination in liquid clouds
Use of rainshield, which was supposed to open in mid troposphere
Rainshield mechanism failed�sensor could not equilibrate to outside conditions �no useful measurements using RD100
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Water vapor nighttime operational sensors on SSI payload
Temperature (°C) RH (%)
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Water vapor daytime operational sensors on SSI payload
Temperature (°C) RH (%)
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
CFH profile
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
CFH data availability as function of altitudeall soundings
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Water vapor all launch timesoperational sensors on SSI payload vs CFH
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
CFH uncertainty estimates
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)
Water vapor all launch timesoperational sensors on SSI payload vs CFH
ConsistencyTest usingCFH uncertaintyestimates
22
21
21
uu
mmk
+
−=
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Meteorological Observatory Lindenberg – Richard Assmann Observatory (2010)