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Element Description
The Cloud Cover element provides a measurement, in as a percentage, of how much of the area of a granule (the EOSDIS data unit) i.e. an individual data file) that is obscured by clouds. Because the definition of a cloud can vary from one data provider to another, this measurement is generally dataset-specific.
Best Practices
The Cloud Cover element is not a required element. As a result, it is rarely provided. However, in the event that it is provided, please be aware this element varies based on the data provider. optional. Note that the underlying method used to determine cloud cover can vary by data product. The cloud cover percentage should be expressed as a number between 0-100.
Examples:
Cloud Cover: "50.0"
Cloud Cover: "0.00"
Cloud Cover: "30.05"
Element Specification
The Cloud Cover element is not required. optional, and may not be repeated (Cardinality: 0..1)
Model | Element | Type | Constraints | Required? | Cardinality |
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UMM-G | CloudCover | Number | 0 - 100 | NNo | 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 RulesChecks ARC uses the pyQuARC library for automated metadata checks. Please see the pyQuARC GitHub for more information. |
Dialect Mappings
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ECHO 10Cloud Cover is not a required element for ECHO 10. optional in ECHO 10, and may not be repeated (Cardinality: 0..1).
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ISO 19115-2 MENDSThe Cloud Cover element is optional in ISO 19115-2 format . The path may be repeated in ISO, but only the first value provided will be translated to the CMR (Cardinality: 0..1).
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ISO 19115-2 SMAPThe Cloud Cover element currently does not map to ISO 19115-2 SMAP.
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UMM Migration
UMM Version 1.4.0 | Translation Direction | UMM Version 1.5.0 |
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History
expandUMM Versioning
title | ISO 19115-1 |
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ISO 19115-1
The Cloud Cover element currently does not map to ISO 19115-1.
N/A
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Version | Date | What Changed |
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1.6.0 | 11/4/2019 | No changes were made for Cloud Cover during the transition from version 1.5.0 to 1.6.0. |
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History
UMM Versioning
Version | Date | What Changed |
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1.5.0 | 01/30/2019 | No changes were made for Cloud Cover during the transition from version 1.4.0 to 1.5.0. |
1.4.0 | 08/01/2018 | No changes were made for Cloud Cover during the transition from version 1.3.0 to 1.4.0. |
ARC Documentation
Version | Date | What Changed | Author |
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1.0 | 0204/1512/2019 | Recommendations/priority matrix transferred from internal ARC documentation to wiki space |