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Canonical UMM-C schema definitions
Element | Definition | Required |
---|---|---|
Metadata Language | This element specifies the language used in the = metadata record (i.e. English, French, Chinese, etc.). | No |
Metadata Dates | This element is used to identify dates when the = metadata changed in some way. This element is made of tw= o sub-elements, Type and Date. | No |
Directory Names | This element has been used historically by th= e GCMD internally to identify association, responsibility and/or ownership = of the dataset, service or supplemental information. Note: This field only = occurs in the DIF. When a DIF record is retrieved in the ECHO10 or ISO 1911= 5 formats, this element will not be translated. |
No |
Entry Title | This element describes the title of the dataset = described by the metadata. | Yes |
DOI | This element stores the DOI (Digital Object Iden= tifier) that identifies the dataset. | Yes |
Other= Identifiers | Provides additional or provider defined identifiers of the c= ollection. | No |
= File Naming Convention | This element refers to the naming convention of the data set= 's (Collection's) data files along with a description of the granule file c= onstruction. | No |
Associa= ted DOIs | This element stores DOIs that identify associate= d collections or other associated items to this collection. | No |
Abstract | This element provides a brief description of the= dataset the metadata represents. | Yes |
Purpose | This element contains suggested usage for the da= ta and/or a description of why the resource exists. | No |
Data Language | This element describes the language used in the = preparation, storage, and description of the collection. It is the language= of the collection data itself. It does not refer to the language used in t= he metadata record (although this may be the same language) | No |
Data Dates | This element is used to identify dates when the&= nbsp;data or resource itself = ;changed in some way. | No |
Data Centers | This element = is used to identify and provide contact information for the organization re= sponsible for originating, processing, archiving, and/or distributing = the dataset being described in the metadata. | Yes |
Contact Groups | This eleme=
nt is used to provide contact information for a group associated with the d=
ataset. |
No |
Contact Persons | This eleme=
nt is used to provide contact information for an individual associated with=
the dataset. |
No |
Collection Data Type | This element is used to identify the collection = as a Science Quality Collection or as a non-science-quality collection such= as a Near Real Time (NRT) collection. | No |
Standar= dProduct | This element is reserved for NAS=
A records only. A Standard Product is a product that has been vetted to ens=
ure that they are complete, consistent, maintain integrity, and satisfies t=
he goals of the Earth Observing System mission. The NASA product owners hav=
e also committed to archiving and maintaining the data products. More infor=
mation can be found here: https://earthdata.nasa.gov/eosdis/science-system-description=
/eosdis-standard-products. |
|
Process= ing Level | This element describes an identifier indicating = the level at which the data in the collection are processed, ranging from l= evel 0 (raw instrument data at full resolution) to level 4 (model output or= analysis results). | Yes |
Collection Citations | This element provides the information requ= ired to properly cite the collection in professional scientific literature.= | No |
= Collection Progress | This element describes the production status = of the dataset. |
Yes |
Data Matu= rity | This element is used to inform users on where the collection is in= a collection's life cycle. | No |
Quality | This element describes the quality of the dat= aset. |
No |
Use Constraints | This element defines how data may or may not = be used to assure the protection of privacy or intellectual property. This = includes license information, or any special restrictions, legal prerequisi= tes, terms and conditions, and/or limitations on using the dataset. |
No |
A= ccess Constraints | This element describes any restrictions imposed = on data access. Access Constraints can be described in a free text field wi= th the option to provide an access control list (ACL) value. | No |
Archive and Distribution Information | This element and all of its sub-elements allo= w a data provider to provide archive and distribution file information upfr= ont to an end user, to help them decide if they can use the product. The fi= le information includes AverageFileSize - typically used for granules as we= ll as file formats and other file information. |
No |
Direct Distribution Information | The direct= distribution information main element allows data providers to provide use= rs information on getting direct access to data products that are stored in= the Amazon Web Service (AWS) S3 buckets when they are initially looking at= a collection. The end users get information such as the S3 credentials end= point, a credential documentation URL, as well as bucket prefix names, and= an AWS region. | No |
= Publication References | This element describes key bibliographic citatio= ns pertaining to the collection. | No |
ISO = Topic Category | This element identifies the topic category (or c= ategories) from the EN ISO 19115 Topic Category Code List that pertain to a= collection. | No |
Science= Keywords | This element enables the specification of Earth = Science keywords. | Yes |
Ancillary Keywords | This element allows metadata authors to provide = words or phrases beyond the controlled Science Keyword v= ocabulary to further describe the collection. | No |
Additional Attributes | This element stores the data's distinctive attri= butes (i.e. attributes used to describe the unique characteristics of the r= esource which extend beyond those defined in this mapping). | No |
Me= tadata Association | This element is used to identify other metada= ta resources that are dependent on or related to the data described by= the metadata. |
No |
Tempor= al Extents | This element describes when data were acquire= d or collected. |
Yes |
Paleo Temporal Coverage | This element defines the time period for geologi= c and/or paleoclimate data. The element is predominantly used for data= samples that originated prior to 01-01-0001. | No |
Tempo= ral Keywords | This element specifies a word or phrase which se= rves to summarize the temporal characteristics of a dataset. | No |
Spatial = Extent | This element describes the geographic coverage o= f the data. | Yes |
Tiling Identification System | This element defines a named two-dimensional til= ing system related to the collection. | No |
Spa= tial Information | This element stores information about the r= eference frame from which horizontal and vertical spatial domains are measu= red. The horizontal reference frame includes fields for Geodetic Model, Geo= graphic Coordinates, and Local Coordinates. The Vertical reference frame in= cludes fields for altitudes (elevations) and depths. | No |
Locat= ion Keywords | This element contains keywords that charac= terize the study area/region where data was collected. | No |
Platforms | This element describes the relevant platforms us= ed to acquire the data. | Yes |
Instruments | This element is used to register the device that= measured or recorded the data, including direct human observation. | No |
Projects | This element describes the scientific endea= vor(s) with which the collection is associated. | No |
Related URLs | This element describes any resource-related URLs= that include project home pages, resource information pages, services, rel= ated data, archives/servers, metadata extensions, direct links to online so= ftware packages, web mapping services, links to images, documents, or other= data. | Yes |
Short Name | This element identifies the dataset's short name= . | Yes |
Version | This element identifies the dataset version. | Yes |
Version Description | This element describes the version of the datase= t. | No |
Metadata Specification | The Metada= ta Specification element requires the user to add in schema information int= o every collection record. It includes the schema's name, version, and URL = location. | Yes |