BUBBLE Basel Urban Boundary Layer Experiment
IOP data package (June 10 to July 10, 2002)

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TOWER DATA

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_BSPR_AT_PROFILE_IOP.txt
BUBBLE_BSPA_AT_PROFILE_IOP.txt
Air temperature profiles 10-min measurements of air temperatures are various heights along tower (or building) within and above street canyons at BSPR and BSPA. All measurements are made by are actively ventillated sensors (psychrometers). Lower measurements at BSPA are separated into backyard and street canyon. See website for documentation

BUBBLE_BSPR_AH_PROFILE_IOP.txt
BUBBLE_BSPA_AH_PROFILE_IOP.txt
Air temperature profiles 10-min measurements of absolute humidity measurements are various heights along tower (or building) within and above street canyons at BSPR and BSPA. All measurements are made by are actively ventillated psychrometers. Lower measurements at BSPA are separated into backyard and street canyon. See website for documentation

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 of actual (uncorrected) barometric pressure measurements at BBIN, BSPR, BSPA, VLNF and BLEO. Note the different heights of stations.

BUBBLE_PC_IOP.txt Precipitation Hourly sums of precipitation at BLER and BBIN measured using tipping buckets.

PROFILER DATA

File

Parameter

Comments

BUBBLE_BKLH_PROFILER_PT_IOP.txt Potential RASS Temperature RASS Profiler Data from Site BKLH (Ue5, urban, 40 - 480 m a.g.l.)

BUBBLE_BSPA_PROFILER_WD_IOP.txt Horizontal Wind Direction Microwave Profiler Data from Site BSPA (Ue2, urban, 145 - 1229 m a.g.l., relative to geographic North)
BUBBLE_BKLH_PROFILER_WD_IOP.txt Horizontal Wind Direction RASS Profiler Data from Site BKLH (Ue5, urban, 40 - 480 m a.g.l., relative to geographic North)
BUBBLE_STLS_PROFILER_WD_IOP.txt Horizontal Wind Direction SODAR Profiler Data from Site STLS (Re5, rural downwind / upwind, 30 - 770 m a.g.l., relative to geographic North). Preview plots are available here.
BUBBLE_GRNZ_PROFILER_WD_IOP.txt Horizontal Wind Direction SODAR Profiler Data from Site GRNZ (Re1, rural upwind / downwind, 30 - 770 m a.g.l., relative to geographic North). Preview plots are available here.

BUBBLE_BSPA_PROFILER_WV_IOP.txt Horizontal Wind Velocity Microwave Profiler Data from Site BSPA (Ue2, urban, 145 - 1229 m a.g.l.)
BUBBLE_BKLH_PROFILER_WV_IOP.txt Horizontal Wind Velocity RASS Profiler Data from Site BKLH (Ue5, urban, 40 - 480 m a.g.l.)
BUBBLE_STLS_PROFILER_WV_IOP.txt Horizontal Wind Velocity SODAR Profiler Data from Site STLS (Re5, rural downwind / upwind, 30 - 770 m a.g.l.). Preview plots are available here.
BUBBLE_GRNZ_PROFILER_WV_IOP.txt Horizontal Wind Velocity SODAR Profiler Data from Site GRNZ (Re1, rural upwind / downwind, 30 - 770 m a.g.l.). Preview plots are available here.

BUBBLE_BSPA_PROFILER_WW_IOP.txt Vertical Wind Component Microwave Profiler Data from Site BSPA (Ue2, urban, 145 - 1229 m a.g.l.)
BUBBLE_BKLH_PROFILER_WW_IOP.txt Vertical Wind Component RASS Profiler Data from Site BKLH (Ue5, urban, 40 - 480 m a.g.l.)
BUBBLE_STLS_PROFILER_WW_IOP.txt Vertical Wind Component SODAR Profiler Data from Site STLS (Re5, rural downwind / upwind, 30 - 770 m a.g.l.). Preview plots are available here.
BUBBLE_GRNZ_PROFILER_WW_IOP.txt Vertical Wind Component SODAR Profiler Data from Site GRNZ (Re1, rural upwind / downwind, 30 - 770 m a.g.l.). Preview plots are available here.

 
Surface data refers to the BUBBLE summer Intensive Observation Period (IOP) (IOP)
published in Christen A., Vogt R. (2004): 'Energy and radiation balance
of a central European city'. Int. J. Climatol. 24(11): 1395-1421.