GLAH14 — Land Surface Elevation¶
Version 34 — User Guide · ATBD
GLAH14 provides 40 Hz land surface elevation data with additional atmospheric and surface characterization fields.
Quick Start¶
using SpaceLiDAR, DataFrames
g = granule("GLAH14_634_1102_001_0071_0_01_0001.H5")
t = table(g)
df = DataFrame(t)
Default Columns¶
| Column | HDF5 Path | Type |
|---|---|---|
longitude |
Data_40HZ/Geolocation/d_lon |
Float64 |
latitude |
Data_40HZ/Geolocation/d_lat |
Float64 |
height |
Data_40HZ/Elevation_Surfaces/d_elev |
Float64 |
datetime |
Data_40HZ/DS_UTCTime_40 |
DateTime |
saturation_correction |
Data_40HZ/Elevation_Corrections/d_satElevCorr |
Float64 |
clouds |
Data_40HZ/Elevation_Flags/elv_cloud_flg |
Bool |
gain |
Data_40HZ/Waveform/i_gval_rcv |
Int32 |
reflectivity |
Data_40HZ/Reflectivity/d_reflctUC |
Float64 |
attitude |
Data_40HZ/Quality/sigma_att_flg |
Int8 |
saturation |
Data_40HZ/Quality/sat_corr_flg |
Int8 |
elev_use_flg |
Data_40HZ/Quality/elev_use_flg |
Int8 |
i_numPk |
Data_40HZ/Waveform/i_numPk |
Int32 |
height_reference |
Data_40HZ/Geophysical/d_DEM_elv |
Float64 |
Additional Fields¶
GLAH14 includes extra surface characterization compared to GLAH06: :clouds, :gain, :reflectivity, :attitude, and :saturation.
Processing is the same as GLAH06 — see GLAH06 for coordinate system and quality flag details.