Showing content from https://doi.org/10.5067/GEDI/GEDI02_B.001 below:
LP DAAC - GEDI02_B
algorithmrun_flag The L2B algorithm is run if this flag is set to 1 indicating data have sufficient waveform fidelity for L2B to run N/A 8-bit unsigned integer N/A N/A 0, 1 N/A beam Beam number Number 16-bit unsigned integer N/A N/A 0 to 11 N/A channel Channel number Number 8-bit unsigned integer N/A N/A 0 to 7 N/A cover Total canopy cover Percent 32-bit floating point -9999 N/A 0, 1 N/A cover_z Cumulative canopy cover vertical profile Percent 32-bit floating point -9999 N/A 0, 1 N/A fhd_normal Foliage Height Diversity N/A 32-bit floating point -9999 N/A N/A N/A master_frac Master time fractional seconds Seconds 64-bit floating point N/A N/A N/A N/A master_int Master time integer seconds Seconds 32-bit unsigned integer N/A N/A N/A N/A num_detectedmodes Number of detected modes in received (RX) waveform Number 8-bit unsigned integer N/A N/A N/A N/A omega Foliage Clumping Index N/A 32-bit floating point N/A N/A 0, 1 N/A pai Total Plant Area Index m²/m² 32-bit floating point -9999 N/A N/A N/A pai_z Plant Area Index profile m²/m² 32-bit floating point -9999 N/A N/A N/A pavd_z Plant Area Volume Density profile m²/m³ 32-bit floating point -9999 N/A N/A N/A pgap_theta Total Gap Probability (theta) N/A 32-bit floating point -9999 N/A 0, 1 N/A pgap_theta_error Total Pgap (theta) error N/A 32-bit floating point -9999 N/A 0, 1 N/A pgap_theta_z Directional gap probability profile N/A 32-bit floating point -9999 N/A 0 to 10000 N/A l2a_quality_flag L2A quality flag Quality Flag 8-bit unsigned integer N/A N/A 0, 1 N/A l2b_quality_flag L2B quality flag Quality Flag 8-bit unsigned integer N/A N/A 0, 1 N/A rg Integral of the ground component in the RX waveform for the selected L2A processing version Number 32-bit floating point -9999 N/A N/A N/A rh100 Height above ground of the received waveform signal start (rh[101] from L2A) cm 16-bit signed integer N/A N/A -21300 to 21300 N/A rhog Volumetric scattering coefficient (rho) of the ground Number 32-bit floating point -9999 N/A N/A N/A rhog_error Rho (ground) error Number 32-bit floating point -9999 N/A N/A N/A rhov Volumetric scattering coefficient (rho) of the canopy Number 32-bit floating point -9999 N/A N/A N/A rhov_error Rho (canopy) error Number 32-bit floating point -9999 N/A N/A N/A rossg Ross-G function N/A 32-bit floating point -9999 N/A 0, 1 N/A rv Integral of the vegetation component in the RX waveform for the selected L2A processing version Number 32-bit floating point -9999 N/A N/A N/A rx_range_highestreturn Range to signal start Meters 64-bit floating point -9999 N/A N/A N/A rx_sample_count Received sample count Number 64-bit signed integer N/A N/A N/A N/A rx_sample_start_index Received sample start index Number 64-bit signed integer N/A N/A N/A N/A selected_l2a_algorithm Selected L2A algorithm setting N/A 8-bit unsigned integer N/A N/A 1 to 6 N/A selected_rg_algorithm Selected R (ground) algorithm N/A 8-bit unsigned integer N/A N/A N/A N/A sensitivity Maxmimum canopy cover that can be penetrated N/A 32-bit floating point N/A N/A 0, 1 N/A shot_number Shot number Number 64-bit unsigned integer N/A N/A N/A N/A stale_return_flag Stale return flag Class Flag 8-bit unsigned integer N/A N/A 0, 1 N/A surface_flag Surface flag indicating elevation of lowest mode Class Flag 8-bit unsigned integer N/A N/A 0, 1 N/A dz Vertical step size of foliage profile Meters 64-bit floating point N/A N/A N/A N/A l2a_alg_count Number of candidate algorithms available in the corresponding GEDI L2A data product Number 64-bit signed integer N/A N/A N/A N/A maxheight_cuttoff The maximum height above ground value used for foliage profile calculation Meters 64-bit floating point N/A N/A 0 to 150 N/A rg_eg_constraint_center_buffer Buffer size used to constrain the center parameter in the exponentially modified Gaussian fit to R (ground) Nanoseconds 32-bit signed integer N/A N/A N/A N/A rg_eg_mpfit_max_func_evals MPFIT maximum number of function evaluations N/A 16-bit unsigned integer N/A N/A N/A N/A rg_eg_mpfit_maxiters MPFIT maximum number of iterations N/A 16-bit unsigned integer N/A N/A N/A N/A rg_eg_mpfit_tolerance MPFIT convergence criterium N/A 64-bit floating point N/A N/A N/A N/A signal_search_buff Buffer size used to extend above toploc and below botloc Nanoseconds 64-bit floating point N/A N/A 0 to 255 N/A tx_noise_stddev_multiplier Multiplier on the transmit waveform noise standard deviation used R (ground) estimation N/A 64-bit floating point N/A N/A 0 to 255 N/A degrade_flag Degrade flag is set to greater than zero if the shot occurs during a degrade period, zero otherwise Class Flag 8-bit signed integer N/A N/A 0, 1 N/A delta_time Transmit time of the shot, measured in seconds from the master_time_epoch since 2018-01-01 Seconds 64-bit floating point N/A N/A N/A N/A digital_elevation_model Digital elevation model height above the WGS84 ellipsoid Meters 32-bit floating point -999999.0 N/A -962 to 10038 N/A elev_highestreturn Elevation of highest detected return relative to reference ellipsoid Meters 32-bit floating point N/A N/A -1000 to 25000 N/A elev_lowestmode Elevation of center of lowest mode relative to reference ellipsoid Meters 32-bit floating point N/A N/A -1000 to 25000 N/A elevation_bin0 Elevation of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Meters 64-bit floating point -9999 N/A N/A N/A elevation_bin0_error Error in elevation of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Meters 32-bit floating point -9999 N/A N/A N/A elevation_lastbin Elevation of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Meters 64-bit floating point -9999 N/A N/A N/A elevation_lastbin_error Error in elevation of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Meters 32-bit floating point -9999 N/A N/A N/A height_bin0 Height of the first bin of the pgap_theta_z, relative to the ground Meters 32-bit floating point -9999 N/A N/A N/A height_lastbin Height of the last bin of the pgap_theta_z, relative to the ground Meters 32-bit floating point -9999 N/A N/A N/A lat_highestreturn Latitude of highest detected return Degree 64-bit floating point N/A N/A -55 to 55 N/A lat_lowestmode Latitude of center of lowest mode Degree 64-bit floating point N/A N/A -55 to 55 N/A latitude_bin0 Latitude of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 64-bit floating point -9999 N/A N/A N/A latitude_bin0_error Error in latitude of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 32-bit floating point -9999 N/A N/A N/A latitude_lastbin Latitude of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 64-bit floating point -9999 N/A N/A N/A latitude_lastbin_error Error in latitude of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 32-bit floating point -9999 N/A N/A N/A local_beam_azimuth Azimuth of the unit pointing vector for the laser in the local ENU frame measured from North and positive towards East Radians 32-bit floating point N/A N/A -180 to 180 N/A local_beam_elevation Elevation of the unit pointing vector for the laser in the local ENU frame measured from East-North plane and positive towards Up Radians 32-bit floating point N/A N/A 1.3962634 to 1.5707964 N/A lon_highestreturn Longitude of highest detected return Degree 64-bit floating point N/A N/A -180 to 180 N/A lon_lowestmode Longitude of center of lowest mode Degree 64-bit floating point N/A N/A -180 to 180 N/A longitude_bin0 Longitude of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 64-bit floating point -9999 N/A N/A N/A longitude_bin0_error Error in longitude of first bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 32-bit floating point -9999 N/A N/A N/A longitude_lastbin Longitude of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 64-bit floating point -9999 N/A N/A N/A longitude_lastbin_error Error in longitude of last bin of the pgap_theta_z, interpolated from L1B waveform coordinate Degree 32-bit floating point -9999 N/A N/A N/A shot_number Unique shot identifier Number 64-bit floating point N/A N/A N/A N/A solar_azimuth The azimuth of the sun position vector from the laser bounce point position in the local ENU frame measured from North and is positive towards East Degree 32-bit floating point N/A N/A -180 to 180 N/A solar_elevation The elevation of the sun position vector from the laser bounce point position in the local ENU frame measured from the East-North plane and is positive Up Degree 32-bit floating point N/A N/A -90 to 90 N/A landsat_treecover Tree cover in the year 2010, defined as canopy closure for all vegetation taller than 5 m in height encoded as a percentage per output grid cell Percent 64-bit floating point -9999 N/A N/A N/A modis_nonvegetated Percent non-vegetated from MODIS MOD44B V6 data Percent 64-bit floating point -9999 N/A N/A N/A modis_nonvegetated_sd Percent non-vegetated standard deviation from MODIS MOD44B V6 data Percent 64-bit floating point -9999 N/A N/A N/A modis_treecover Percent tree cover from MODIS MOD44B V6 data Percent 64-bit floating point -9999 N/A N/A N/A modis_treecover_sd Percent tree cover standard deviation from MODIS MOD44B V6 data Percent 64-bit floating point -9999 N/A N/A N/A algorithmrun_flag_aN For each L2A algorithm, the L2B algorithm is run if this flag is set to 1 which indicates sufficient waveform fidelity Class Flag 8-bit unsigned integer N/A N/A 0, 1 N/A pgap_theta_aN Estimated Pgap (theta) from ground finding algorithm for each L2A processing version N/A 32-bit floating point -9999 N/A 0, 1 N/A pgap_theta_error_aN Uncertainty of Pgap (theta) caused by ground finding algorithm for each L2A processing version N/A 32-bit floating point -9999 N/A N/A N/A rg_aN Integral of the ground component in the received waveform for each L2A processing version Number 32-bit floating point -9999 N/A N/A N/A rg_eg_amplitude_aN Amplitude of the extended Gaussian fit to the ground of RX waveform Number 32-bit floating point -9999 N/A N/A N/A rg_eg_amplitude_error_aN Error in amplitude of the extended Gaussian fit to the ground of RX waveform Number 32-bit floating point -9999 N/A N/A N/A rg_eg_center_aN Center of the extended Gaussian fit to the ground of RX waveform Nanoseconds 32-bit floating point -9999 N/A N/A N/A rg_eg_center_error_aN Error in center of the extended Gaussian fit to the ground of RX waveform Nanoseconds 32-bit floating point -9999 N/A N/A N/A rg_eg_chisq_aN Chi square of R (ground) fit N/A 32-bit floating point -9999 N/A N/A N/A rg_eg_flag_aN Extended Gaussian fit status flag Class Flag 8-bit signed integer N/A N/A 0 to 255 N/A rg_eg_gamma_aN Gamma value of the extended Gaussian fit to the ground of RX waveform N/A 32-bit floating point -9999 N/A N/A N/A rg_eg_gamma_error_aN Error in gamma value of the extended Gaussian fit to the ground of RX waveform N/A 32-bit floating point -9999 N/A N/A N/A rg_eg_niter_aN Number of iterations to converge extended Gaussian fit to RX waveform N/A 8-bit unsigned integer N/A N/A N/A N/A rg_eg_sigma_aN Sigma value of the extended Gaussian fit to the ground of RX waveform Nanoseconds 32-bit floating point -9999 N/A N/A N/A rg_eg_sigma_error_aN Error in sigma value of the extended Gaussian fit to the ground of RX waveform Nanoseconds 32-bit floating point -9999 N/A N/A N/A rg_error_aN Error of the integral of the ground component in the received waveform for each L2A processing version Number 32-bit floating point -9999 N/A N/A N/A rv_aN Integral of the vegetation component in the received waveform for each L2A processing version Number 32-bit floating point -9999 N/A N/A N/A rx_energy_aN Received waveform energy Number 32-bit floating point -9999 N/A N/A N/A shot_number Unique shot identifier Number 64-bit floating point N/A N/A N/A N/A
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