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Element Description
The Quality metadata element is a free text field which is used to describe the quality of the collection data.
Best Practices
This field may be used to describe any indications of quality of the data. Examples of appropriate element information include: a) a succinct description of the quality of data in the collection; b) quality assurance procedures followed in producing the data in the collection; c) indicators of collection quality or quality flags - both validated or invalidated; d) recognized or potential problems with quality; e) established quality control mechanisms; and 6f) established quantitative quality measurements. The The Quality element is optional.
Examples:
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 website (https://asterweb.jpl.nasa.gov/swir-alert.asp) for more details."
Quality: "This data has been in extensive use in weather forecasting and atmospheric chemistry research for many years, and has thus been subject to independent review by many scientific experts."
Element Specification
Providing the Quality element is optional (Cardinality: 0..1)
Model | Element | Type | Constraints | Required? | Cardinality |
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UMM-C | Quality | String | 1 - 12000 characters | No | 0..1 |
Metadata Validation and QA/QC
All metadata entering the CMR goes through the below process to ensure metadata quality requirements are met. All records undergo CMR validation before entering the system. The process of QA/QC is slightly different for NASA and non-NASA data providers. Non-NASA providers include interagency and international data providers and are referred to as the International Directory Network (IDN).
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ARC Automated Rules If novalue is provided, return is "np."Otherwise, return is "OK."Checks ARC uses the pyQuARC library for automated metadata checks. Please see the pyQuARC GitHub for more information. |
Dialect Mappings
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DIF 9 (Note: DIF-9 is being phased out and will no longer be supported after 2018) |
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DIF 10
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ECHO 10Quality does not map to ECHO 10.
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ISO 19115-2 MENDSProviding the Quality element is optional (Cardinality: 0..1)
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ISO 19115-2 SMAPProviding the Quality element is optional. (Cardinality: 0..1)
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UMM Migration
UMM Version 1.9.0 | Translation Direction | UMM Version 1.10.0 |
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Future Mappings
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History
UMM Versioning
Version | Date | What Changed |
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1.15.5 | 12/3/2020 | No changes were made for Quality during the transition from version 1.15.4 to 1.15.5 |
1.15.4 | 9/18/2020 | No changes were made for Quality during the transition from version 1.15.3 to 1.15.4 |
1.15.3 | 7/1/2020 | No changes were made for Quality during the transition from version 1.15.2 to 1.15.3 |
1.15.2 | 5/20/2020 | No changes were made for Quality during the transition from version 1.15.1 to 1.15.2 |
1.15.1 | 3/25/2020 | No changes were made for Quality during the transition from version 1.15.0 to 1.15.1 |
1.15.0 | 2/26/2020 | No changes were made for Quality during the transition from version 1.14.0 to 1.15.0 |
1.14.0 | 10/21/2019 | No changes were made for Quality during the transition from version 1.13.0 to 1.14.0 |
1.13.0 | 04/11/2019 | No changes were made for Quality during the transition from version 1.12.0 to 1.13.0 |
1.12.0 | 01/22/2019 | No changes were made for Quality during the transition from version 1.11.0 to 1.12.0. |
1.11.0 | 11/28/2018 | No changes were made for Quality during the transition from version 1.10.0 to 1.11.0. |
1.10.0 | 05/02/2018 | No changes were made for Quality during the transition from version 1.9.0 to 1.10.0. |
1.9.0 |
ARC Documentation
Version | Date | What Changed | Author |
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1.0 | 11/02/2018 | Recommendations/priority matrix transferred from internal ARC documentation to wiki space | Jeanne' le Roux |