MODIS_MOD09A1_V6_1: MODIS/Terra Surface Reflectance 8-Day L3 Global 500 m SIN Grid [EOSDIS]

2023

March

6th

MODIS/Terra Surface Reflectance 8-Day L3 Global 500 m SIN Grid [EOSDIS]

MODIS_MOD09A1_V6_1 on 6th March 2023

Last processed
5 datasets
  • 6,292,328km2 (approx.)
  • 5 unique regions
  • Entirely EPSG:4326

Metadata (eo3)

Common fields

creation_time • dataset_maturity • format GeoTIFF instrument MODIS platform Terra product_family ard

JSON / GeoJSON

Location 🔗 (samples)

http://110.78.252.138/datasets/MODIS_MOD09A1_V6.1/

Measurements 🔗

nodata
int16 sur_refl_b01 -28672
int16 sur_refl_b02 -28672
int16 sur_refl_b03 -28672
int16 sur_refl_b04 -28672
int16 sur_refl_b05 -28672
int16 sur_refl_b06 -28672
uint32 sur_refl_qc_500m 4294967295
int16 sur_refl_szen 0
int16 sur_refl_vzen 0
int16 sur_refl_raz 0
uint16 sur_refl_state_500m 65535
uint16 sur_refl_day_of_year 65535

Total: 12

Definition 🔗

RAW As Stac
name: MODIS_MOD09A1_V6_1
license: CC-BY-4.0
metadata_type: eo3
description: MODIS/Terra Surface Reflectance 8-Day L3 Global 500 m SIN Grid [EOSDIS]
metadata:
product:
name: modis_mod09a1_v6.1
platform:
code: MODIS
instrument:
name: Terra
measurements: [
name: sur_refl_b01
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_b02
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_b03
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_b04
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_b05
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_b06
dtype: int16
units: N/A
nodata: -28672
add_offset: 0
scale_factor: 0.0001
name: sur_refl_qc_500m
dtype: uint32
units: Bit Field
nodata: 4294967295
flags_definition:
band1:
bits: [
2
3
4
5
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 1 data quality, four bit range
band2:
bits: [
6
7
8
9
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 2 data quality, four bit range
band3:
bits: [
10
11
12
13
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 3 data quality, four bit range
band4:
bits: [
14
15
16
17
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 4 data quality, four bit range
band5:
bits: [
18
19
20
21
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 5 data quality, four bit range
band6:
bits: [
22
23
24
25
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 6 data quality, four bit range
band7:
bits: [
26
27
28
29
]
values:
0: highest quality
7: noisy detector
8: dead detector, data interpolated in L1B
9: solar zenith >= 86 degrees
10: solar zenith >= 85 and < 86 degrees
11: missing input
12: internal constant used in place of climatological data for at least one atmospheric constant
13: correction out of bounds, pixel constrained to extreme allowable value
14: L1B data faulty
15: not processed due to deep ocean or clouds
description: band 7 data quality, four bit range
modland:
bits: [
0
1
]
values:
0: corrected product produced at ideal quality -- all bands
1: corrected product produced at less than ideal quality -- some or all bands
2: corrected product not produced due to cloud effects -- all bands
3: corrected product not produced for other reasons -- some or all bands, may be fill value
description: MODLAND QA bits
adjacency:
bits: 31
values:
0: False
1: True
description: adjacency correction performed
atmospheric:
bits: 30
values:
0: False
1: True
description: atmospheric correction performed
name: sur_refl_szen
dtype: int16
units: Degree
nodata: 0
add_offset: 0
scale_factor: 0.01
name: sur_refl_vzen
dtype: int16
units: Degree
nodata: 0
add_offset: 0
scale_factor: 0.01
name: sur_refl_raz
dtype: int16
units: Degree
nodata: 0
add_offset: 0
scale_factor: 0.01
name: sur_refl_state_500m
dtype: uint16
units: Bit Field
nodata: 65535
flags_definition:
cirrus:
bits: [
8
9
]
values:
0: none
1: small
2: average
3: high
description: cirrus detected
aerosol:
bits: [
6
7
]
values:
0: climatology
1: low
2: average
3: high
description: aerosol quantity, level of uncertainty in aerosol correction
salt pan:
bits: 14
values:
0: False
1: True
description: Salt pan
snow/ice:
bits: 12
values:
0: False
1: True
description: MOD35 snow/ice flag
cloud state:
bits: [
0
1
]
values:
0: clear
1: cloudy
2: mixed
3: not set, assumed clear
description: cloud state
cloud shadow:
bits: 2
values:
0: False
1: True
description: cloud shadow
internal fire:
bits: 11
values:
0: no fire
1: fire
description: internal fire algorithm flag
internal cloud:
bits: 10
values:
0: no cloud
1: cloud
description: internal cloud algorithm flag
land/water flag:
bits: [
3
4
5
]
values:
0: shallow ocean
1: land
2: ocean coastlines and lake shorelines
3: shallow inland water
4: ephemeral water
5: deep inland water
6: continental/moderate ocean
7: deep ocean
description: land/water flag
adjacent to cloud:
bits: 13
values:
0: False
1: True
description: Pixel is adjacent to cloud
name: sur_refl_day_of_year
dtype: uint16
units: Julian day
nodata: 65535
]
load:
crs: EPSG:4326
resolution:
latitude: -0.003858686311080484
longitude: 0.003858686311080484