2023-11-27-NSW1: Transect NSW Site 1, Landsat 9 and Sentinel-2B dual overpass
This is a report of the field data collected on 27 November 2023 at the location of Transect NSW Site 1 to validate the satellite data of the Landsat 9 and Sentinel-2B dual overpass. The full collection of data is contained in the National Spectral Database. Satellite data can be found on DEA maps.
In this report
Variables
These variables and environmental factors were present on the day the data were collected.
Instrument(s) used |
ASD FR4 (18179/3) |
Time of field site measurements (UTC) |
2023-11-26 22:37:46 to 2023-11-26 23:37:06 |
Time of Landsat 9 overpass (UTC) |
2023-11-27 00:26:53 |
Time of Sentinel-2B overpass (UTC) |
2023-12-07 00:45:52 |
GPS quality |
Good |
Reference position |
142.1036962E, 31.8135401S (WGS84) |
Matchup quality for Landsat 9 |
Good |
Matchup quality for Sentinel-2B |
Good |
Results
The surface reflectance statistics collected on this day are grouped into bands. This allows the data to be used to validate Geoscience Australia’s other datasets that use the same standardised bands.
Band |
Sat Mean |
Sat rms |
Field mean |
Field rms |
CA |
0.072 |
0.01 |
0.048 |
0.003 |
blue |
0.082 |
0.009 |
0.06 |
0.004 |
green |
0.122 |
0.007 |
0.105 |
0.011 |
red |
0.197 |
0.011 |
0.18 |
0.028 |
NIR |
0.27 |
0.011 |
0.248 |
0.03 |
SWIR1 |
0.407 |
0.011 |
0.389 |
0.038 |
SWIR2 |
0.321 |
0.012 |
0.314 |
0.039 |
Band |
Sat Mean |
Sat rms |
Field mean |
Field rms |
CA |
0.055 |
0.0 |
0.049 |
0.003 |
blue |
0.066 |
0.001 |
0.064 |
0.004 |
green |
0.102 |
0.005 |
0.104 |
0.01 |
red |
0.185 |
0.014 |
0.188 |
0.028 |
RE1 |
0.208 |
0.014 |
0.209 |
0.031 |
RE2 |
0.224 |
0.015 |
0.225 |
0.033 |
RE3 |
0.234 |
0.015 |
0.237 |
0.033 |
NIR1 |
0.244 |
0.015 |
0.246 |
0.031 |
NIR2 |
0.25 |
0.012 |
0.251 |
0.03 |
SWIR2 |
0.387 |
0.011 |
0.395 |
0.038 |
SWIR3 |
0.307 |
0.012 |
0.322 |
0.039 |
Figures
The following figures provide visual representations of the data. (Click a figure to view it at full size.)