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Turbulence and Energy Balance Network
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Transcript of Turbulence and Energy Balance Network
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Turbulence and Energy Balance
Network
Thomas FokenDepartment of Micrometeorology
University of Bayreuth
Norbert KalthoffResearch Centre Karlsruhe
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Content
1. Types of station
2. WEB
3. Unification
4. Map
5. Cooperation
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Types of Measuring Stations
• E (incl. T and partly G): Energy balance station (friction velocity, sensible and latent heat flux, ground heat flux, four components of net radiation)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Types of Measuring Stations
• T: Turbulence station (friction velocity, sensible heat flux)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Types of Measuring Stations
• G: Ground measurements (ground heat flux, soil temperature and moisture), also listed in soil moisture network
Soil heat flux: 0.1 mSoil temperature: 0.05 and 0.2 m (0.02, 0.1, 0.5 m)Soil moisture: 0.05 and 0.2 m (0.02, 0.1, 0.5 m)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Types of Measuring Stations
• S: Sodar (and RASS) measurements
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Types of Measuring Stations
• E (incl. T and partly G): Energy balance station (friction velocity, sensible and latent heat flux, ground heat flux, four components of net radiation)
• T: Turbulence station (friction velocity, sensible heat flux)
• G: Ground measurements (ground heat flux, soil temperature and moisture), also listed in soil moisture network
• S: Sodar (and RASS) measurements
• Station Code: XXYYETGS (XX: Institute; YY: Number)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Participants
• KA: Research Centre Karlsruhe (2 ETG, 5 T)• BT: University Bayreuth (1 ETGS, 3 ETG)• BN: University Bonn (1(2) ETG)• FR: University Freiburg (1 ETG, 1 S)• MF: Meteo France (1 ETGS, 1 ETG)• UV: University Vienna (1 T)• UL: University Leeds (3 S ???)
• Code: Station XX; Number YY + ETGS
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5th COPS Workshop, Hohenheim, 26-28 March 2007
WEB Pagehttp://www.bayceer.uni-bayreuth.de
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Unification of Turbulence Measurements
• Calculation with the turbulence software package TK2 (University of Bayreuth)
• Data quality code for all flux measurements• Data selection according to internal
boundary layers and footprint• Uniform ground heat flux calculation
(concept: University of Bayreuth)
• Further analysis (next funding period)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Quality Assurance and control
• Internal boundary layers
• Simple Footprint
1200
m
+
5
1020
N
1500m
• Quality test according to Foken & Wichura (1996)
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Energy Balance Network
E
E
E
E
EE
University Bayreuth
Meteo France
E
University Freiburg
T
E
Research Centre Karlsruhe
University Bonn
ET
University Vienna
E
T
T
T
TE
AMF, United States
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Sodar – RASS - Network
S
SR
University Bayreuth
Meteo France
University Freiburg
Research Centre Karlsruhe
S
S
University Leeds
S
SR
S
S
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5th COPS Workshop, Hohenheim, 26-28 March 2007
Connection with other network
• Soil moisture network: Unification of soil measurements.
• Mesonet: Universities of Vienna, Munich, Freiburg and others
• Data transfer: non real-time (after the experiment)
• Data basis: NetCDF up to now not prepared
• ………