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BUBBLE Basel Urban Boundary Layer Experiment IOP data package (June 10 to July 10, 2002) |
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| File | Parameter | Comments | |
| BUBBLE-ENSEMBLE-EB.xlsx | Multiple | Ensemble diurnal course of energy balance components Q*, QH, QE and dQS for all sites during the summer IOP. | |
| BUBBLE_NR_IOP.txt | Net all-wave radiation | 10-min measurements of net all-wave radiation above urban, suburban and rural surfaces. BSPR, ALLS, BLER, and VLNF feature CNR-1 4-component net radiometers, BSPA and GRNZ is calculated from Eppley PIR and Kipp & Zonen CM11 instruments. For details of the radiation set-up, please refer to the report 'Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites'. | |
| BUBBLE_SD_IOP.txt |
Short-wave incoming radiation (irradiance) |
10-min measurements of of short-wave irradiance. BSPR, ALLS, BLER, and VLNF feature data from a CM3 (part of CNR-1 4-component net radiometers), BSPA and GRNZ are equipped with Kipp & Zonen CM11 instruments. For details of the radiation set-up, please refer to the report 'Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites'. | |
| BUBBLE_SU_IOP.txt |
Short-wave outgoing radiation (reflectance) |
10-min measurements of of short-wave reflectance. BSPR, ALLS, BLER, and VLNF feature data from a CM3 (part of CNR-1 4-component net radiometers), BSPA and GRNZ are equipped with Kipp & Zonen CM11 instruments. For details of the radiation set-up, please refer to the report 'Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites'. | |
| BUBBLE_LD_IOP.txt | Long-wave incoming radiation | 10-min measurements. BSPR, ALLS, BLER, and VLNF feature CG2 sensors part of a CNR-1 4-component net radiometer, BSPA and GRNZ are equipped with Eppley PIR. For details of the radiation set-up, please refer to the report 'Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites'. | |
| BUBBLE_LU_IOP.txt | Long-wave outgoing radiation | 10-min measurements above urban, suburban and rural surfaces. BSPR, ALLS, BLER, and VLNF feature CG2 sensors part of a CNR-1 4-component net radiometer, BSPA and GRNZ are equipped with Eppley PIR. For details of the radiation set-up, please refer to the report 'Quality Control and Corrections of the Radiation Measurements at the BUBBLE-Surface Sites'. | |
| BUBBLE_AL_IOP.txt | Albedo | Calculated from the above measurements of short-wave incoming and outgoing radiation. | |
| BUBBLE_FH_IOP.txt | Sensible heat flux density | 30-min block averages above urban, suburban and rural surfaces. For details of the instrumentation and calculation of fluxes, please refer to the section on turbulent flux densities in the 'sonic data processing' documentation. | |
| BUBBLE_FL_IOP.txt | Latent heat flux density | 30-min block averages above urban, suburban and rural surfaces. For details of the instrumentation and calculation of fluxes, please refer to the section on turbulent flux densities in the 'sonic data processing' documentation. | |
| BUBBLE_FS_IOP.txt | Soil heat flux density | 30-min block averages measured at the rural surfaces using heat flux plates. Corrected for heat storage in the layer abobe the heat flux plate. The storage heat flux density at urban and suburban sites must be calculated as the residual term and is not included in those data-files. | |
| BUBBLE_AT_IOP.txt | Air temperature | 10-min measurements at screen level (within street canyons), and above roof at all seven energy balance sites. BSPR, BSPA, ALLS, BLER and VLNF are actively ventillated sensors or dew-point mirrors, BMES and GRNZ feature naturally ventillated screens only. | |
| BUBBLE_ST_IOP.txt | Soil temperature profiles | 10-min averages of soil temperatures measured at various depths at the rural sites. | |
| BUBBLE_RH_IOP.txt | Relative humidity | 10-min measurements at screen level (within street canyons), and above roof at all seven energy balance sites. BSPR, BSPA, ALLS, BLER and VLNF are actively ventillated psychrometers or dew-point mirrors, BMES and GRNZ feature naturally ventillated screens only. | |
| BUBBLE_WV_IOP.txt | Wind velocity (scalar mean) | 10-min measurements from tower top. BSPR, BSPA, BMES, ALLS, VLNF, and GRNZ feature data from ultrasonic anemometer systems, data from BLER is a propeller anemometer. | |
| BUBBLE_FV_IOP.txt | Friction Velocity | 30-min block averages of u* in the inertial sublayer (or upper roughness sublayer) at the sites BSPR, BSPA, VLNF, and GRNZ. | |
| BUBBLE_WD_IOP.txt | Wind direction | 10-min measurements from tower top in degrees relative to Geographic North. BSPR, BSPA, BMES, ALLS, VLNF, and GRNZ feature data from ultrasonic anemometer systems, data from BLER is a propeller vane. | |
| BUBBLE_PS_IOP.txt | Barometric pressure | Hourly measurements at BBIN at 316.0m a.s.l. | |
| BUBBLE_PC_IOP.txt | Precipitation | Hourly sums of precipitation at BLER and BBIN measured using tipping buckets. | |