ECS Attribute Field Definitions
Following are the field names and descriptions used in the generation of the ECS-ISO crosswalk and attribute documentation.
ECS Name
ECS Attribute Name
Metadata Level
"Collection" or "Granule" only. An attribute that occurs both at the granule and collection level should be denoted as such in the "Attribute Definition Comments"
Data Type
Native database data type e.g. "Text" or "* Bit String". Proprietary codes are not used.
Obligation
"Mandatory" or "Optional" only. "Core" or "Recommended" should go under "Attribute Definition Comments"
Description
Description of the attribute, building upon latest definitions document e.g. 420-EMD-001
Sample Value
Sample value that will be accepted for ingest or is representative of suitable use of the attribute
Dependent Attributes
Related attributes. Includes parent-child, child-child, etc. relationships.
Attribute Definition Comments
Comments concerning the attribute definition and best practices for its use.
Theme
The thematic area corresponding under which the attribute will be found on the Earthdata wiki. Could be more than one but usually only one thematic area. Examples include "Spatial Information".
ECS XPath
The ECS XPath
ISO XPath
The ISO XPath
Crosswalk Comments
Comments on implementation of the crosswalk, anticipated changes, acceptable or unacceptable values, alternative mappings, etc.
Downloadable Spreadsheet
Link to the comprehensive spreadsheet containing all attribute definitions.