Data from Radiometer (RAD) measurements at Berlin – Friedrichstadt (BEFRIE) from 2021-07-15 to 2022-10-06 [L0]

Combined L0 datafile of automatic weather station (AWS) / sun tracker measurements at Berlin – Friedrichstadt (BEFRIE) during the urbisphere Berlin Campaign from  2021-07-15 14:00 to 2022-10-06 00:00 UTC with a temporal resolution of 1 min.

Station Berlin – Friedrichstadt (BEFRIE) was operated on a roof in the center of the City of Berlin at 52.507556°N / 13.397881°E.

The L0 dataset contains measurements of direct normal irradiance (DNI), global (solar) hemispherical irradiance (GHI), diffuse (solar) irradiance and longwave hemispherical irradiance (LHI) measured using a sun tracker and continuously ventilated instruments. Further, the dataset contains simple meteorological measurements of barometric pressure, wind velocity, wind direction, air temperature, humidity, precipitation and lightning using a all-in-one weather station next to the sun tracker.

The dataset is calibrated using manufacturer calibrations for all instruments and no further quality controlls or gap filling procedures have been applied. 

Details on the measurement set-up at BEFRIE can be found in:

• Fenner, D., Christen, A., Gertsen, C., Grimmond, S., König, K., Looschelders, D., Meier, F., Metzger, S., Mitraka, Z., Morrison, W., Tsirantonakis, D.& Zeeman, M. (2024). Metadata for the urbisphere-Berlin campaign during 2021-2022: technical documentation (Version v1.0.0). Zenodo. https://doi.org/10.5281/zenodo.10833090

Further information on the urbisphere-Berlin campaign can be found in:

• Fenner D, Christen A, Grimmond CSB, Meier F, Morrison W, Zeeman M, Barlow J, Birkmann J, Blunn L, Chrysoulakis N, Clements M, Glazer R, Hertwig D, Kotthaus S, König K, Looschelders D, Mitraka Z, Poursanidis D, Tsirantonakis D, Bechtel B, Benjamin K, Beyrich F, Briegel F, Feigel G, Gertsen C, Iqbal N, Kittner J, Lean H, Liu Y, Luo Z, McGrory M, Metzger S, Paskin M, Ravan M, Ruhtz T, Saunders B, Scherer D, Smith ST, Stretton M, Trachte K, Van Hove M, 2024: urbisphere -Berlin campaign: Investigating multi-scale urban impacts on the atmospheric boundary layer, Bulletin of the American Meteorological Society, 105 (10), E1929–E1961. https://doi.org/10.1175/BAMS-D-23-0030.1 

Raw data are combined into a single large ASCII file (TOA5 format according to Campbell Scientific Inc.) covering the entire period of observations at BEFRIE from 2021-07-15 to 2022-10-06 [L0] based on RAW data. RAW data (individual logger output files) can be found here:

• Fenner, D., Morrison, W., Zeeman, M., Grimmond, S.& Christen, A. (2024). Data from Automatic Weather Station (AWS) measurements at Berlin – Friedrichstadt (BEFRIE) from 2021-07-15 to 2022-10-06 [RAW] (Version v1.0.0) [Dataset]. Zenodo. https://doi.org/10.5281/zenodo.10847319

The file BRFRIE-MET_1min-202107151400_20221006000_UTC.csv has the format of a comma-separated .csv file with 4 header lines following the Campbell Scientific Inc. TOA5 file definition.

Column descriptions:

• TIMESTAMP: Time / Date of the end of the aggregation interval in UTC in format YYYY-MM-DD hh:mm:ss
• RECORD: Continuous internal record number
• MET_CHP1_DNI_Wm2_Avg: Average direct normal irradiance in W/m2 measured with a pyrheliometer (Kipp & Zonen CHP1)
• MET_CHP1_DNI_Wm2_Std: Standard deviation of direct normal irradiance in W/m2 measured with a pyrheliometer (Kipp & Zonen CHP1)
• MET_CM21_GHI_Wm2_Avg: Average global (solar) hemispherical irradiance in W/m2 measured with an actively ventilated thermopile pyranometer (Kipp & Zonen CM21)
• MET_CM21_GHI_Wm2_Std: Standard deviation of global (solar) hemispherical irradiance in W/m2 measured with an actively ventilated thermopile pyranometer (Kipp & Zonen CM21)
• MET_CM21_DHI_Wm2_Avg: Average diffuse (solar) irradiance in W/m2 measured with an actively ventilated thermopile pyranometer shaded by shading ball (Kipp & Zonen CM21)
• MET_CM21_DHI_Wm2_Std: Standard deviation of diffuse (solar) irradiance in W/m2 measured with an actively ventilated thermopile pyranometer shaded by shading ball (Kipp & Zonen CM21)
• MET_CG4_LHI_Wm2_Avg: Average longwave hemispherical irradiance in W/m2 measured with an actively ventilated thermopile pyrgeometer (Kipp & Zonen CG4)
• MET_CG4_LHI_Wm2_Std: Standard deviation of longwave hemispherical irradiance in W/m2 measured with an actively ventilated thermopile pyrgeometer (Kipp & Zonen CG4)
• MET_CV50_PressureActual_hPa_Avg: Actual pressure in hPa (not reduced to sea level) measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_Wind_ms_Avg: Wind velocity scalar mean in m/s measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_WindGustMax_ms_Max: Wind velocity maximum in m/s measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_Wind_ms_Vec: Wind velocity vector mean in m/s measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_WindDirection_deg_Vec: Wind direction in ° measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_AirTemperature_degC_Avg: Air temperature in °C measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_RelHumidity_percent_Avg: Relative humidity in % measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_DewPoint_degC_Avg: Dew point in °C calculated based on air temperature and relative humidity measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_VapourPressure_hPa_Avg: Vapour pressure in hPa calculated based on air temperature and relative humidity measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_VapPressDeficit_hPa_Avg: Vapour pressure deficit in hPa calculated based on air temperature and relative humidity measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_MixingRatio_gKg_Avg: Mixing ratio in g/kg calculated based on air temperature and relative humidity measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_GHI_Wm2_Avg: Average global (solar) hemispherical irradiance in W/m2 measured with a photodiode [low quality] pyranometer in the all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_Precipitation_mm_Tot: Precipitation measured with an droplet counter in the all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_LtngStrikes_cnt_Tot: Number of lightning strikes measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)
• MET_CV50_LtngDist_km_Avg: Average distance of lightning strikes measured with an all-in-one weather sensor (Campbell Scientific ClimaVue50)

Missing data are shown with -9999