ASTER L2 Surface Reflectance VNIR and Crosstalk Corrected SWIR V003
The ASTER Surface Reflectance VNIR and Crosstalk Corrected SWIR (AST_07XT) dataset contains measures of the fraction of incoming solar radiation reflected from the Earth’s surface to the ASTER instrument corrected for atmospheric effects and viewing geometry for both the Visible and Near Infrared (VNIR) and Shortwave Infrared (SWIR) sensors. Each product delivery includes two Hierarchical Data Format - Earth Observing System (HDF-EOS) files: one for the VNIR, and the other for the SWIR. They are distinguished from one another by a one-second difference in the production time that appears as part of the file name. Both the VNIR and SWIR data are atmospherically corrected and are generated using the bands of the corresponding (ASTER L1B) (http://dx.doi.org/10.5067/ASTER/AST_L1B.003) image. AST_07XT is a multi-file product that contains atmospherically corrected data for both the VNIR and SWIR sensors.
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| Spatial Extent: | Bounding Rectangle: N: 90.0 S: -90.0 E: 180.0 W: -180.0 |
Data Format(s): | Distribution: HDF-EOS, GeoTIFF |
| Temporal Extent: | Platform(s): | Terra | |
| Data Center(s): | LP DAAC | Instrument(s): | ASTER |
| Version: | 003 | ||
- ALGORITHM THEORETICAL BASIS DOCUMENT (ATBD): https://lpdaac.usgs.gov/documents/68/AST_07_ATBD.pdf, The ATBD provides physical theory and mathematical procedures for the calculations used to produce the data products.
- USER'S GUIDE: https://lpdaac.usgs.gov/documents/69/AST_L1_User_Guide_V3.pdf, ASTER Level-1 User Guide
- USER'S GUIDE: https://lpdaac.usgs.gov/documents/67/AST_07_User_Guide_V3.pdf, ASTER Higher-Level Product User Guide
- GENERAL DOCUMENTATION: https://lpdaac.usgs.gov/documents/175/ASTER_L1_Product_Specifications.pdf, The ASTER Level-1T Product Specification provides a description of the data file.
Collection Information
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Version Description
Not provided -
DOI
10.5067/ASTER/AST_07XT.003
https://doi.org
Data Identification
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Processing Level
2
ASTER On-Demand L2 Surface Reflectance VNIR and SWIR Crosstalk-Corrected
- Quality Users are advised that ASTER SWIR data acquired from late April 2008 to the present exhibit anomalous saturation of values and anomalous striping. This effect is also present for some prior acquisition periods. Please refer to the ASTER SWIR User Advisory Document (https://lpdaac.usgs.gov/sites/default/files/public/aster/docs/ASTER_SWIR_User_Advisory_July%2018_08.pdf) for more details.
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Collection Progress
Active
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Use Constraints
See https://lpdaac.usgs.gov/dataset_discovery/aster/aster_policies for redistribution and citation policies.
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Access Constraints
See https://lpdaac.usgs.gov/dataset_discovery/aster/aster_policies for data access information.
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Title: Publication reference title not provided
Online Resource: Not provided
Publication References
Related URLs
Other Descriptive Keywords
Ancillary Keywords
- LP DAAC
- EOSDIS
- USGS/EROS
- ESIP
- USGS
- LPDAAC
ISO Topic Categories
- climatologyMeteorologyAtmosphere
- geoscientificInformation
Additional Attributes
-
Name:
DAR_ID
INT
Description:
ID of the Data Acquisition Request
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
GenerationDateandTime
DATETIME_STRING
Description:
Date and Time granule produced
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
LowerLeftQuadCloudCoverage
INT
Description:
The percentage of cloud coverage for the lower left quadrant
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
LowerRightQuadCloudCoverage
INT
Description:
The percentage of cloud coverage for the lower right quadrant
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
SceneCloudCoverage
INT
Description:
Percentage of cloud coverage for the whole scene
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Solar_Azimuth_Angle
FLOAT
Description:
Angle of the sun clockwise from true North
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Solar_Elevation_Angle
FLOAT
Description:
Angle of the sun above the horizon
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
UpperLeftQuadCloudCoverage
INT
Description:
The percentage of cloud coverage for the upper left quadrant
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
UpperRightQuadCloudCoverage
INT
Description:
The percentage of cloud coverage for the upper right quadrant
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band4_Available
STRING
Description:
Identifies the status of Band 4 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band5_Available
STRING
Description:
Identifies the status of Band 5 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band6_Available
STRING
Description:
Identifies the status of Band 6 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band7_Available
STRING
Description:
Identifies the status of Band 7 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band8_Available
STRING
Description:
Identifies the status of Band 8 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
Band9_Available
STRING
Description:
Identifies the status of Band 9 - [Yes, band is acquired] or [No, band was not acquired]
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
RadiometricDBVersion
STRING
Description:
The version number of the Radiometric Database used in Level 1 processing.
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
GeometricDBVersion
STRING
Description:
The version number of the Geometric Database used in Level 1 processing.
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERGains
STRING
Description:
Identifies the Gain setting for the Bands: HGH, NOR, LO1, LO2, LOW, OFF
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERGRANULEID
STRING
Description:
Unique identifier for the data granule held at the ASTER GDS
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERProcessingCenter
STRING
Description:
Name of the center where these ASTER data were processed
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERVNIRPointingAngle
FLOAT
Description:
Specifies the pointing angle of the ASTER Visible Near Infrared (VNIR) sensor
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERSWIRPointingAngle
FLOAT
Description:
Specifies the pointing angle of the ASTER Shortwave Infrared (SWIR) sensor
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERMapOrientationAngle
FLOAT
Description:
Denotes the angle between the path oriented image and the map oriented image for this ASTER scene.
Resolution Range Begin Range End Unit of Measure Accuracy -180.0 180.0 -
Name:
ASTERReceivingCenter
STRING
Description:
Name of the center where these ASTER data were received
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
ASTERSceneOrientationAngle
FLOAT
Description:
Denotes the azimuth angle made by the meridian at the ASTER scene center and the along-track direction, rotating from North toward East.
Resolution Range Begin Range End Unit of Measure Accuracy 0.0 180.0 -
Name:
source_granule_ur
STRING
Description:
Granule-ur of the source granule
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
metadata.uuid
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
metadata.extraction_date
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
metadata.keyword_version
FLOAT
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
DIF9.0-to-DIF10-Converter
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
Discipline
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
IDN_Node.Short_Name
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
IDN_Node.UUID
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
Original.Dataset_Citation.DOI
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
Original.Metadata_Version
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
Original.Dataset_Language
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
Original.xsi:schemaLocation
STRING
Description:
Not provided
Resolution Range Begin Range End Unit of Measure Accuracy Group: gov.nasa.gsfc.gcmd
-
Name:
identifier_product_doi
STRING
Description:
Digital object identifier that uniquely identifies this data product
Resolution Range Begin Range End Unit of Measure Accuracy -
Name:
identifier_product_doi_authority
STRING
Description:
URL of the digital object identifier resolving authority
Resolution Range Begin Range End Unit of Measure Accuracy
Acquisition Information
Projects
| Project Short Name | Campaigns | Project Dates |
|---|---|---|
| Terra |
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No dates provided. |
Temporal Information
Spatial Information
Location Keywords
- GEOGRAPHIC REGION
- GLOBAL
Data Centers
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LP DAAC
ARCHIVERLand Processes Distributed Active Archive Center
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U.S. Geological Survey, Earth Resources Observation and Science (EROS) Center
Sioux Falls, South Dakota 57198
M-F, 8 a.m. to 4 p.m. Central Time
605-594-6116
866-573-3222
Contact DetailsLP DAAC User Services is the point of contact for answering questions concerning data products, data access, and online applications.
The LP DAAC website provides detailed information on discovery, distribution, access, and support of land data products.
https://lpdaac.usgs.gov/
- Home Page
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Data Contacts
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LP DAAC User Services
User ServicesLP DAAC User Services
LP DAAC-
U.S. Geological Survey, Earth Resources Observation and Science (EROS) Center
Sioux Falls, South Dakota 57198
M-F, 8 a.m. to 4 p.m. Central Time
605-594-6116
866-573-3222
Contact DetailsLP DAAC User Services is the point of contact for answering questions concerning data products, data access, and online applications.
The LP DAAC website provides detailed information on discovery, distribution, access, and support of land data products.
https://lpdaac.usgs.gov/
- Home Page
-
Archive And Distribution Information
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Format: HDF-EOS, GeoTIFF
Format Type: Native
Media: HTTP
Average File Size: 180.0 MB