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- 3ae025c01a4748f29528a67c529affeb2-235c3cc561bd1d28 type ProvenanceStatement @default.
- 3ae025c01a4748f29528a67c529affeb2-235c3cc561bd1d28 label "Bird density profiles are generated for every individual radar volume scan, and hence inherit the time resolution from the originating radar scan cycle. All radars used in this data repository operate in a five minute scan cycle. The produced output file is a plain text file, and contains a concatenation of subsequent vertical profile outputs (vpts = vertical profile time series). It contains the following columns: - date: Date (UTC) - time: Time (UTC) - HGHT: Height bin (lower bound) in m above ground level. - u: Speed component west to east in m/s. - v: Speed component north to south in m/s. - w: Vertical speed (unreliable!) in m/s. - ff: Horizontal speed in m/s. - dd: Direction in degrees clockwise from north. - sd_vvp: VVP radial velocity standard deviation in m/s. - gap: Angular data gap detected in T/F. - dbz: Animal reflectivity factor in dBZ. - eta: Animal reflectivity in cm2/km3. - dens: Animal density in animals/km3. - DBZH: Total reflectivity factor (bio + meteo scattering) in dBZ. - n: Number of data points used for the ground speed estimates (quantities u, v, w, ff, dd). - n_all: Number of data points used for the radial velocity standard deviation estimate (quantity sd_vvp). - n_dbz: Number of data points used for reflectivity-based estimates (quantities dbz, eta, dens). - n_dbz_all: Number of data points used for the total reflectivity estimate (quantity DBZH). The bird density profiles are provided as is, without any manual or automatic quality control." @default.