-
Notifications
You must be signed in to change notification settings - Fork 6
/
Copy pathATL11_output_attrs.csv.backup
68 lines (68 loc) · 12.3 KB
/
ATL11_output_attrs.csv.backup
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
group,field,units,dimensions,datatype,description,long_name,source
corrected_h,cycle_number,counts,N_cycles,int8,"""cycle number""","""cycle number""","""ATL06"""
corrected_h,latitude,degrees North,N_pts,Float64,"""center latitude based on selected segments""","""latitude""","""ATL06 segments"""
corrected_h,longitude,degrees East,N_pts,Float64,"""center longitude based on selected segments""","""longitude""","""ATL06 segments"""
corrected_h,ref_pt,counts,N_pts,int32,"""the reference point number, m, counted from the equator crossing of the RGT""","""reference point number""","""ATL06"""
corrected_h,delta_time,seconds,"N_pts, N_cycles",Float64,"""mean GPS time for the segments for each pass""","""delta time""","""ATL06"""
corrected_h,h_corr,meters,"N_pts, N_cycles",Float64,"""the mean corrected height""","""mean corrected height""","""derived, ATL11 algorithm"""
corrected_h,h_corr_sigma,meters,"N_pts, N_cycles",Float64,"""the formal error in the corrected height""","""mean corrected height error""","""derived, ATL11 algorithm"""
corrected_h,h_corr_sigma_systematic,meters,"N_pts, N_cycles",Float64,"""the magnitude of all errors that might be correlated at scales larger than a single fit center (e.g. pointing errors, GPS errors, etc)""","""corrected height error""","""derived, ATL11 algorithm"""
corrected_h,quality_summary,1,"N_pts, N_cycles",int8,"""Summary flag: zero indicates high-quality cycles: where min_signal_selection_source <=1 and min_SNR_significance < 0.02, and ATL06_summary_zero_count >0.""","""quality summary""","""derived, ATL11 algorithm"""
ref_surf,complex_surface_flag,1,N_pts,int8,"""0 indicates that normal fitting was attempted, 1 indicates that the signal selection algorithm rejected too many repeats, and only a linear fit was attempted""","""complex surface flag""","""derived, ATL11 algorithm"""
ref_surf,curvature,1,N_pts,Float64,"""the RMS of the slope of the fit polynomial within 50 m of the fit center""","""curvature""","""derived, ATL11 algorithm"""
ref_surf,e_slope,1,N_pts,Float64,"""the mean East-component slope for the reference surface within 50 m of the fit center""","""east-component slope""","""derived, ATL11 algorithm"""
ref_surf,n_slope,1,N_pts,Float64,"""the mean North-component slope for the reference surface within 50 m of the fit center""","""north-component slope""","""derived, ATL11 algorithm"""
ref_surf,at_slope,1,N_pts,Float64,"""Mean along-track component of the slope of the reference surface within 50 m of the fit center""","""along-track slope""","""derived, ATL11 algorithm"""
ref_surf,xt_slope,1,N_pts,Float64,"""Mean cross-track component of the slope of the reference surface within 50 m of the fit center""","""across-track slope""","""derived, ATL11 algorithm"""
ref_surf,deg_x,counts,N_pts,int8,"""Maximum degree of non-zero polynomial components in x""","""max-degree x polynomial""","""derived, ATL11 algorithm"""
ref_surf,deg_y,counts,N_pts,int8,"""Maximum degree of non-zero polynomial components in y""","""max-degree y polynomial""","""derived, ATL11 algorithm"""
ref_surf,poly_coeffs,1,"N_pts, N_coeffs",Float64,"""polynomial coefficients (up to degree 3), for polynomial components scaled by 100 m""","""polynomial coefficients""","""derived, ATL11 algorithm"""
ref_surf,poly_coeffs_sigma,1,"N_pts, N_coeffs",Float64,"""formal errors for the polynomial coefficients""","""polynomial coefficients error""","""derived, ATL11 algorithm"""
ref_surf,poly_exponent_x,counts,N_coeffs,int8,"""exponents for the x factors in the surface polynomial""","""polynomial x exponents""","""derived, ATL11 algorithm"""
ref_surf,poly_exponent_y,counts,N_coeffs,int8,"""exponents for the y factors in the surface polynomial""","""polynomial y exponents""","""derived, ATL11 algorithm"""
ref_surf,ref_pt,counts,N_pts,int32,"""Ref point number, counted from the equator crossing along the RGT.""","""reference point number, segment_id""","""ATL06"""
ref_surf,x_atc,meters,N_pts,Float64,"""Along-track coordinate of the reference point, measured along the RGT from its first equator crossing.""","""Along track distance""","""ATL06"""
ref_surf,y_atc,meters,N_pts,Float64,"""Across-track coordinate of the reference point, measured along the RGT from its first equator crossing.""","""Across track distance""","""ATL06"""
ref_surf,rgt_azimuth,degrees,N_pts,Float64,"""Reference track azimuth, in degrees east of local north""","""RGT azimuth""","""ATL06"""
ref_surf,slope_change_rate_x,years^-1,N_pts,Float64,"""rate of change of the x component of the surface slope""","""x component of slope chnage rate""","""derived, ATL11 algorithm"""
ref_surf,slope_change_rate_y,years^-1,N_pts,Float64,"""rate of change of the y component of the surface slope""","""y component of slope change rate""","""derived, ATL11 algorithm"""
ref_surf,slope_change_rate_x_sigma,years^-1,N_pts,Float64,"""Formal error in the rate of change of the x component of the surface slope""","""error of x component slope change rate""","""derived, ATL11 algorithm"""
ref_surf,slope_change_rate_y_sigma,years^-1,N_pts,Float64,"""Formal error in the rate of change of the y component of the surface slope""","""error of y component slope change rate""","""derived, ATL11 algorithm"""
ref_surf,misfit_chi2r,meters,N_pts,Float64,"""misfit chi square, divided by the number of degrees in the solution""","""misfit chi square""","""derived, ATL11 algorithm"""
ref_surf,misfit_RMS,meters,N_pts,Float64,"""RMS misfit for the surface-polynomial fit""","""misfit RMS""","""derived, ATL11 algorithm"""
ref_surf,dem_h,meters,N_pts,Float64,"""DEM elevation, derived from ATL06 /gtxx/atl06_segments/dem/dem_h""","""DEM elevation""","""ATL06"""
ref_surf,geoid_h,meters,N_pts,Float64,"""Geoid height above WGS-84 reference ellipsoid in the tide-free system, derived from ATL06 /gtxx/atl06_segments/dem/geoid_h""","""Geoid Height""","""ATL06"""
ref_surf,geoid_free2mean,meters,N_pts,Float64,"""Additive value to convert geoid heights from the tide-free system to the mean-tide system, derived from ATL06 /gtxx/atl06_segments/dem/geoid_free2mean""","""Geoid Free-to-Mean conversion""","""ATL06"""
ref_surf,fit_quality,1,N_pts,int8,"""Indicates quality of the fit: 0: no problem identified, 1: One or more polynomial coefficients has an error of 2 or larger, 2: One or more surface slope components is greater than 0.02, 3: both 1 and 2""","""fit quality summary""","""derived, ATL11 algorithm"""
cycle_stats,cycle_number,counts,N_cycles,int8,"""cycle number""","""cycle number""","""ATL06"""
cycle_stats,atl06_summary_zero_count,counts,"N_pts, N_cycles",int8,"""Number of segments with ATL06_quality_summary==0 (0 indicates the best-quality data)""","""ATL06 best quality count""","""ATL06"""
cycle_stats,h_rms_misfit,meters,"N_pts, N_cycles",Float64,"""Weighted-average RMS misfit between PE heights and along-track land-ice segment fit""","""weighted average RMS fit error""","""derived, ATL11 algorithm"""
cycle_stats,r_eff,1,"N_pts, N_cycles",Float64,"""Weighted-average effective, uncorrected reflectance for each pass.""","""weighted average reflectance""","""derived, ATL11 algorithm"""
cycle_stats,tide_ocean,meters,"N_pts, N_cycles",Float64,"""Weighted-average ocean tide for each pass""","""weighted average ocean tide""","""ATL06"""
cycle_stats,dac,meters,"N_pts, N_cycles",Float64,"""Weighted-average dynamic atmosphere correction for each pass""","""weighted average dynamic atmosphere correction""","""ATL06"""
cycle_stats,cloud_flg_atm,1,"N_pts, N_cycles",int8,"""Minimum cloud flag from ATL06: Flag indicates confidence that clouds with OT > 0.2 are present in the lower 3 km of the atmosphere based on ATL09""","""minimum cloud flag""","""ATL06"""
cycle_stats,cloud_flg_asr,1,"N_pts, N_cycles",int8,"""Minimum apparent-surface-reflectance -based cloud flag from ATL06: Flag indicates confidence that clouds with OT > 0.2 are present in the lower 3 km of the atmosphere based on ATL09""","""Minimum apparent surface reflectance flag""","""ATL06"""
cycle_stats,bsnow_h,meters,"N_pts, N_cycles",Float64,"""Weighted-average blowing snow layer height for each cycle""","""weighted average blowing snow height""","""ATL06"""
cycle_stats,bsnow_conf,1,"N_pts, N_cycles",int8,"""Maximum bsnow_conf flag from ATL06: indicates the greatest (among segments) confidence flag for presence of blowing snow for each cycle""","""maxmimum blowing snow confidence flag""","""ATL06"""
cycle_stats,x_atc,meters,"N_pts, N_cycles",Float64,"""weighted average of pair-center RGT x coordinates for each cycle ""","""weighted average rgt x-coordinates""","""ATL06"""
cycle_stats,y_atc,meters,"N_pts, N_cycles",Float64,"""weighted mean of pair-center RGT y coordinates for each cycle""","""weighted average rgt y-coordinates"""
cycle_stats,ref_pt,counts,N_pts,int32,"""Ref point number, counted from the equator crossing along the RGT.""","""reference point number, segment_id""","""ATL06"""
cycle_stats,seg_count,counts,"N_pts, N_cycles",int32,"""Number of segments marked as valid for each cycle. Equal to 0 for those cycles not included in the reference-surface shape fit.""","""number valid segments""","""ATL06"""
cycle_stats,min_signal_selection_source,1,"N_pts, N_cycles",int8,"""Minimum of the ATL06 signal_selection_source value (indicates the highest-quality segment in the cycle)""","""minimum signal selection source""","""ATL06"""
cycle_stats,min_snr_significance,1,"N_pts, N_cycles",Float64,"""Minimum of SNR_significance (indicates the quality of the best segment in the cycle)""","""minumum signal-noise ration significance""","""ATL06"""
cycle_stats,sigma_geo_h,meters,"N_pts, N_cycles",Float64,"""Root-mean-weighted-square-average total vertical geolocation error due to PPD and POD""","""average vertical geolocation error""","""ATL06"""
cycle_stats,sigma_geo_at,meters,"N_pts, N_cycles",Float64,"""Root-mean-weighted-square-average local-coordinate x horizontal geolocation error for each cycle due to PPD and POD""","""average horizontal x-coordinate geolocation error""","""ATL06"""
cycle_stats,sigma_geo_xt,meters,"N_pts, N_cycles",Float64,"""Root-mean-weighted-square-average local-coordinate y horizontal geolocation error for each cycle due to PPD and POD""","""average horizontal y-coordinate geolocation error""","""ATL06"""
cycle_stats,h_mean,meters,"N_pts, N_cycles",Float64,"""Weighted-average of surface heights, not including the correction for the reference surface""","""weighted average uncorrected surface heights""","""ATL06"""
crossing_track_data,ref_pt,counts,Nxo,int32,"""The reference-point number of the fit center for the datum track""","""fit center reference point number, segmnent_id""","""derived, ATL11 algorithm"""
crossing_track_data,delta_time,seconds,Nxo,Float64,"""Time relative to the ICESat-2 reference epoch""","""delta time""","""derived, ATL11 algorithm"""
crossing_track_data,h_corr,meters,Nxo,Float64,"""WGS-84 height, corrected for the ATL11 surface shape""","""corrected height relative to geiod""","""derived, ATL11 algorithm"""
crossing_track_data,h_corr_sigma,meters,Nxo,Float64,"""Error in the height estimate""","""corrected height error""","""derived, ATL11 algorithm"""
crossing_track_data,h_corr_sigma_systematic,meters,Nxo,Float64,"""Error in the height estimate""","""corrected height error""","""derived, ATL11 algorithm"""
crossing_track_data,latitude,Degrees North,Nxo,Float64,"""latitude of the crossover point""","""crossover latitude""","""derived, ATL11 algorithm"""
crossing_track_data,longitude,Degrees East,Nxo,Float64,"""longitude of the crossover point""","""crossover longitude""","""derived, ATL11 algorithm"""
crossing_track_data,cycle_number,counts,Nxo,int8,"""Cycle number for the crossing data""","""crossover cycle number""","""ATL06"""
crossing_track_data,rgt,counts,Nxo,int32,"""The RGT number for the crossing data""","""crossover reference ground track""","""ATL06"""
crossing_track_data,spot_crossing,counts,Nxo,int8,"""The spot number for the crossing data""","""crossover spot number""","""ATL06"""
crossing_track_data,atl06_quality_summary,1,Nxo,int8,"""Quality flag for the crossing data derived from ATL06. 0 indicates no problems detected, 1 indicates potential problems""","""crossover quality flag""","""ATL06"""
crossing_track_data,along_track_rss,meters,Nxo,Float64,"""Root sum of the squared differences between the heights of the endpoints for the current segment and the centers of the previous and next segments""","""root sum of squared differences in crossover heights""","""derived, ATL11 algorithm"""