Pannonian Atmospheric Boundary Layer Department of Meteorology, ELTE Experiment Szeged 2013 The extended measuring period of PABLE13 (20 November – 11. December 2013) Main goals, participants, instrumentation, dataset Tamás Weidinger, Department of Meteorology, ELTE Special thanks for all participants in Planetary Boundary Layer Experiment Szeged

„New Plan „New Plan New Plan „New Plan New Plan Background Financial support – High educational scientific program (2012-2013) „Critical infrastructure defending” educational research project included in the UAV application of the regulatory environment related to the research area. Scientific goal – Development of meteorological measurement system of UAV for investigation of PBL processes based on the results of COST Action ES0802 (Unmanned Aerial Systems (UAS) in Atmospheric Research). Fist test flights 2012 Autumn. Szechenyi „TÁMOP Szechenyi „TÁMOP Szechenyi „TÁMOP Szechenyi „TÁMOP Szechenyi „TÁMOP - - - - - 4.2.1.B 4.2.1.B 4.2.1.B 4.2.1.B 4.2.1.B - - - - - 11/2/KMR 11/2/KMR 11/2/KMR 11/2/KMR 11/2/KMR - - - - - 2011 2011 2011 2011 2011 - - - - - Critic Critic Critic Critic Critic al infrastructure defending” research projects included in al infrastructure defending” research projects included in al infrastructure defending” research projects included in al infrastructure defending” research projects included in al infrastructure defending” research projects included in Critic al infrastructure defending Participation on ISARRA Conference. (2013 February). Presentation of the first results, learning measurement techniques, Formation an international cooperation (with Juan and Burkhard). First step to common experiment. 2013 June – Planning of measurement campaign, visit in Szeged with Juan and Burkhard (Planning the instrumentation: micromet, remote sensing, UAV, balloon, quadrocopter) 2013. November 20 – December 11. Measurement campaign. 2013 November 26-29 Intensive Observation Period the UAV application of the regulatory environment related to the research area. the UAV application of the regulatory environment related to the research area. the UAV application of the regulatory environment related to the research area. the UAV application of the regulatory environment related to the research area. the UAV application of the regulatory environment related to the research area.

Motivation and main goals Build up a complex experimental setup for investigation of surface layer and Boundary layer processes (profiles, fluxes) Concentrate micrometeorological instrumentation from Hungary based on the infrastructure of Aerological Observatory Szeged. – Investigate surface energy budget components and the energy budget closure – comparison of radiation sensors – comparison of flux calculation methodology – eddy covariance – gradient technique (similarity theory) – Local inhomogenity (surface temperature, soil moisture, etc.) – Development of stable PBL – Comparison of PBL profile measurement techniques (balloon, Radiosonde, SODAR WindProfiler, UAV, Quadrocopter) – Model comparison (1D PBL, WRF)

Participants, instrumentation, Dataset HMS Aerologocal Observatory of Szeged (Gyula Horváth) – Synop dataset from OGIMET – Radiosonde dataset from OGIMET – Vaisala radisonde for UAV and Balloon intercomparison – WindProfiler dataset – Radiometer dataset

Radiosonde (2013. 11. 26. 00 UTC) Wind speed (0–5 km) T, Tv Qv in the lower 1 km Wind direction (0–5 km)

Measured/estimated values BME–ELTE micrometeorological station (Melinda Kiss, János Józsa, Tamás Weidinger, András Zénó Gyöngyösi) Level Instrumentation Model Measured/estimated values 3 m Open path Infrared gas analyser (CO2/H2O) + 3D sonic (10 Hz) Pt-100 reference temperature Irgason Campbell (EC-150 + CSAT3) CO2 and H2O mixing ratio and eddy covariance fluxes, 3D wind components, virtual temperature Momentum, sensible and latent heat fluxes 2 m and 0,6 m 2D sonic wind monitor Temperature/relative humidity Campbell, Vaisala 1 min average temperature, relative humidity, wind speed, direction and standard deviation of wind direction 1,5 m Global, short and long wave radiation, net radiation, PAR Schenk, Q7, CNR1, NRlite (Kipp&Zonen) Global radiation short and long wave radiation, PAR, up- and downward, net radiation, surface and sky temperature Infrared temperature Campbell Surface temperature 1 m Precipitation gauge Precipitation (0,1 mm resolution) 2 cm Wetness sensing grid Campbell 237 Leaf wetness -2, -5, -10, -20 cm Soil temperature Campbell 107 sensor -5 cm and -20 cm Soil moisture Campbell CS516 Soil moisture (m3 / m3) - 8 cm Soil heat flux plate (2) Campbell self calibrated plate Heat flux into deeper soil Averaging times: standard meteorology 1 min, gradient fluxes 5 min, eddy fluxes 30 min

Importance of values heat flux into the soil See the ratio of Net radiation and Soil heat flux Changing of the soil Moisture Effect of precipitation

Wind sped u* comparison Universal functions from Dyer (1974) u* from gradient and eddy covariance methods. Comparison study

Effect of the moisture for the H2O flux calculations

University of Szeged, Department of Climatology and Landscape Ecology METEK GmbH University of Szeged, Department of Climatology and Landscape Ecology (János Unger, Tamás Gál, Attila Kovács) Mobile micromet station – wind speed and direction (2D sonic) – humidity and moisture –CNR1 Kipp&Zonen radiation budget components PCS.2000 -24 Doppler SODAR

Micrometeorological station Department of Physics University of the Balearic Islands Joan Cuxart Rodamilans, Gemma Simó Diego Micrometeorological station – wind speed and direction (2D sonic), – temperature, humidity, – soil temperature, – soil heat flux Balloon measurement (temperature, humidity, pressure and Intercomparison with Vaisala radiosounde

University of Applied Sciences Ostwestfalen-Lippe Burkhard Wrenger Quadrocopter measurements – temperature, pressure, humidity, surface temperature up to cc. 100 m.

METEK GmbH PCS.2000 -24 Doppler SODAR Hungarian UAV for ABL measuremens Features: Wingspan: 3,7 m, Lenght: 1,7 m, Max takeoff weight: 17 kg, Payload: 3 kg, Engine: electric Brushless 1200 W peak power Instumentation: Vaisala HMP45 (slow) T, Rh sensor Fast thermocuple T sensor, Fast capacity Rh sensor 5HP dynamic pressure sensor Static pressure & Pitot-Prandtl tube IMU GPS PCS.2000 -24 Doppler SODAR

University of Debrecen Department of Meteorology Andrea Kircsi, Biróné 3D wind speed, Wind direction, Standard deviation of wind components cc. up to 500 meters Measuring field in Debrecen Kismacs with METEK PCS-2000-24 Doppler SODAR

– Fast photoacoustic hygrometer – Infrasound measurements University of Szeged Department of Optics and Quantum Electronics Zoltán Bozóki, Dávid Tátrai – Fast photoacoustic hygrometer – Infrasound measurements Budapest University of Technology and Economics, Department of Fluid Mechanics Márton Balczó – Construction of 5HP dynamic pressure sensor Budapest University of Technology and Economics, Department of Geodesy and Surveying Márton Balczó – GNSS station for profile of precipitable water – GPS system in the UAV for soil moisture measurement (test phase)

Data analysis in the process Dataset are ready Data analysis in the process Communication and data exchange among the groups are in the process Publication of the results: Időjárás thematic Issue Please give the title of the paper until 10 of May Please send the manuscript until 30 of September

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