RSRF Tile Statistics

Introduction

RSRF Define Temporal statistics of the Atmospheric corrected reflectance (RSRF) with the correction of directional dependence.
Unit none
ATBD Ver.1 (Oct. 2018)
Ver.2 (Mar. 2020)

Update contents of Ver2

  • Bug fix
  • Changed the data uesed for calculation of BRDF

Stored Physical quantity

Ver1,2 Description
Rs_xxxx_AVE*1 Normalized RSRF
Rs_xxxx_Date Date identificator of RSRF
Rs_xxxx_MAX*1 Maximum of RSRF
Rs_xxxx_MIN*1 Minimum of RSRF
Rs_xxxx_Ninput Input data number of RSRF
Rs_xxxx_Nused Used data number of RSRF
Rs_xxxx_QA_flag
Rs_xxxx_RMS*1 RMS of BRDF model regression of RSRF
Rs_xxxx_c0*1 c0 coefficients of RSRF
Rs_xxxx_c1*1 c1
Rs_xxxx_c2*1 c2
Relative_azimuth_AVE*2 Average of Relative azimuth angle
Relative_azimuth_MAX*2 Maximum of Relative azimuth angle
Relative_azimuth_MIN*2 Minimum of Relative azimuth angle
Sensor_zenith_AVE*2 Average of Sensor zenith angle
Sensor_zenith_MAX*2 Maximum of Sensor zenith angle
Sensor_zenith_MIN*2 Minimum of Sensor zenith angle
Solar_zenith_AVE*2 Average of Solar zenith angle
Solar_zenith_MAX*2 Maximum of Sensor zenith angle
Solar_zenith_MIN*2 Minimum of Solar zenith angle

xxxx: Product ID (Detail：How to use)

*1: RN, RS, RP, RV, RT *2 Geometric products

QA_flag information

Bit ver1,2 Description GEOI,P,V_L3_mask
0 No data 0
1 Land 0
2 Insufficient sample number 0
3 Regression error 0
4 Out of range 0
5 Spare 0
6 Spare 0
7 Spare 0

Attribute information

Ver1,2 Attribute Remarks
Attribute of Image_data
Attribute of Image_data Number_of_lines 1200 250m: 4800
1km: 1200
Number_of_pixels 1200
Image_projection EQA (sinusoidal equal area) projection from 0-deg longitude
Grid_interval 0.00833333 250m: 0.00208333
1km: 0.00833333
Grid_interval_unit deg
AVE
AVE
16-bit unsigned integer		 Data_description Normalized RSRF RN, RS, RP, RV, RT
Unit NA
Slope 0.0001
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
Date
Date
8-bit unsigned integer		 Data_description Date identificator of RSRF
Unit NA
Slope 1
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 254
Error_DN 255
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
MAX
MAX
16-bit unsigned integer		 Data_description Maximum of RSRF RN, RS, RP, RV, RT
Unit NA
Slope 0.0001
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
MIN
MIN
16-bit unsigned integer		 Data_description Minimum of RSRF RN, RS, RP, RV, RT
Unit NA
Slope 0.0001
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
Ninput
Ninput
8-bit unsigned integer		 Data_description Input data number of RSRF
Unit NA
Slope 1
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 254
Error_DN 255
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
Nused
Nused
8-bit unsigned integer		 Data_description Used data number of RSRF
Unit NA
Slope 1
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 254
Error_DN 255
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
RMS
RMS
16-bit unsigned integer		 Data_description RMS of BRDF model regression of RSRF RN, RS, RP, RV, RT
Unit NA
Slope 0.00001
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
c0
c0
16-bit unsigned integer		 Data_description c0 coefficients of RSRF RN, RS, RP, RV, RT
Unit NA
Slope 0.0001
Offset 0
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
c1
c1
16-bit unsigned integer		 Data_description c1 RN, RS, RP, RV, RT
Unit NA
Slope 0.001
Offset -10
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
c2
c2
16-bit unsigned integer		 Data_description c2 RN, RS, RP, RV, RT
Unit NA
Slope 0.001
Offset -10
Minimum_valid_DN 0
Maximum_valid_DN 65534
Error_DN 65535
Spatial_resolution 0.00833333 250m: 0.00208333
1km: 0.00833333
Spatial_resolution_unit degree
Mask_for_statistics 0
Relative_azimuth_AVE
Relative_azimuth_AVE
8-bit unsigned integer		 Data_description Average of Relative azimuth angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Relative_azimuth_MAX
Relative_azimuth_MAX
8-bit unsigned integer		 Data_description Maximum of Relative azimuth angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Relative_azimuth_MIN
Relative_azimuth_MIN
8-bit unsigned integer		 Data_description Minimum of Relative azimuth angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Sensor_zenith_AVE
Sensor_zenith_AVE
8-bit unsigned integer		 Data_description Average of Sensor zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Sensor_zenith_MAX
Sensor_zenith_MAX
8-bit unsigned integer		 Data_description Maximum of Sensor zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Sensor_zenith_MIN
Sensor_zenith_MIN
8-bit unsigned integer		 Data_description Minimum of Sensor zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Solar_zenith_AVE
Solar_zenith_AVE
8-bit unsigned integer		 Data_description Average of Solar zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Solar_zenith_MAX
Solar_zenith_MAX
8-bit unsigned integer		 Data_description Maximum of Sensor zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）
Solar_zenith_MIN
Solar_zenith_MIN
8-bit unsigned integer		 Data_description Minimum of Solar zenith angle Only geometric products
Unit degree
Slope 0.01
Offset 0
Minimum_valid_DN -32767
Maximum_valid_DN 32767
Error_DN -32768
Resampling_interval 0
Resampling_interval_unit pixel
Mask_for_statistics 0 Detail：QA_flag information（GEOI,P,V_L3_mask）

How to use

  • ・Physical quantity＝DN*slope + offset
  • ・Valid values are during Minimum_valid_DN～Maximum_valid_DN
  • ・Product list
Area Physical quantity Product ID
Terrestrial Surface reflectance RV01～11, RS01～04, RT01～02
RN08, 11, RP01, 02, GEOV, I, P
SNZV, I, P, SLZV, I, P, RLAV, I, P
  • *Region：Tile、Temporal resolution：8-day and 1-month