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dif_v10.2.xsd
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<?xml version="1.0" encoding="UTF-8"?>
<!--
The Global Change Master Directory Directory Interchange Format (GCMD DIF).
Syntax:
* Markdown is used in comments and annotations
* Liberal use of space is for human readability
* Written with BBEdit
* BBEdit #mark syntax used for "function menu" shortcuts on all top level fields
* Defaults:
* http://www.w3.org/TR/xmlschema11-1/#dcl.elt.local
* thus XSD minOccurs defaults to 1
* thus XSD maxOccurs defaults to 1
Tools:
>grep '<action>' dif.xsd | sed "s/.*<action>\(.*\)<\/action>.*/\1/g" | sort | uniq -c
NOTE: this document is not final.
History:
2014-1?-?? : 10.0a-10.0c - development copies.
2014-12-18 : 10.0 - Milestone.
2015-03-28 : 10.1 - Milestone.
2015-10-26 : 10.2 - Milestone.
2015-01-08 : 10.2 a - Patch, fix /DIF/Additional_Attributes/ParameterRangeBegin
2016-01-27 : 10.2 b - patch, changed date time types on three fields
-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/"
xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/"
elementFormDefault="qualified">
<xs:include schemaLocation="UmmCommon_1.2.xsd"/>
<!-- *********************************************************** -->
<!-- #mark DIF -->
<xs:element name="DIF">
<xs:annotation>
<xs:appinfo>
<headers>action, src, since</headers>
<actions>added, changed, moved, none, removed, renamed</actions>
<srcs>UMM, UMM (DIF), UMM (ECHO), UMM (EMS), DIF, ECHO</srcs>
</xs:appinfo>
<xs:documentation>
The GCMD Directory Interchange Format. Description of changes in DIF Version 10.2
</xs:documentation>
</xs:annotation>
<xs:complexType>
<xs:sequence>
<xs:element name="Entry_ID" type="EntryIDType"/> <!-- Renamed from Entry_ID -->
<!-- Moved Dataset_Short_Name to inside Entry_ID (CMR) -->
<!-- Moved Dataset_Version to inside Entry_ID (CMR) -->
<xs:element name="Version_Description" type="VersionDescriptionType" minOccurs="0"/> <!-- Added from UMM (ECHO) -->
<xs:element name="Entry_Title" type="EntryTitleType"/> <!-- None -->
<xs:element name="Dataset_Citation" type="DatasetCitationType" minOccurs="0" maxOccurs="unbounded"/> <!-- Renamed -->
<xs:element name="Personnel" type="PersonnelType" minOccurs="0" maxOccurs="unbounded"/> <!-- None -->
<!-- Removed Discipline, is in dif_v9.8.3.xsd -->
<xs:element name="Science_Keywords" type="ScienceKeywordsType" maxOccurs="unbounded"/> <!-- Renamed from Keyword in dif_v9.8.3.xsd -->
<xs:element name="ISO_Topic_Category" type="ISOTopicCategoryType" minOccurs="0" maxOccurs="unbounded"/> <!-- None -->
<xs:element name="Ancillary_Keyword" type="AncillaryKeywordType" minOccurs="0" maxOccurs="unbounded"/> <!-- Renamed from Keyword in dif_v9.8.3.xsd -->
<!-- Moved Sensor_Name to Instrument within Platform -->
<!-- Renamed Source_Name to Platform -->
<xs:element name="Platform" type="PlatformType" maxOccurs="unbounded"/> <!-- Required in dif_v9.8.3.xsd -->
<xs:element name="Temporal_Coverage" type="TemporalCoverageType" maxOccurs="unbounded"/> <!-- Required now, not required in dif_v9.8.3.xsd -->
<xs:element name="Dataset_Progress" type="DatasetProgressType" minOccurs="0"/> <!-- Renamed -->
<xs:element name="Spatial_Coverage" type="SpatialCoverageType"/> <!-- Required now, not required in dif_v9.8.3.xsd ; see CMRQ-618 -->
<xs:element name="Location" type="LocationType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Data_Resolution" type="DataResolutionType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Project" type="ProjectType" maxOccurs="unbounded"/> <!-- Required now, not required in dif_v9.8.3.xsd -->
<xs:element name="Quality" type="QualityType" minOccurs="0"/> <!-- None-->
<xs:element name="Access_Constraints" type="AccessConstraintsType" minOccurs="0"/> <!-- None-->
<xs:element name="Use_Constraints" type="UseConstraintsType" minOccurs="0"/> <!-- None-->
<xs:element name="Dataset_Language" type="DatasetLanguageType" minOccurs="0" maxOccurs="unbounded"/> <!-- None -->
<xs:element name="Originating_Center" type="OriginatingCenterType" minOccurs="0"/> <!-- None-->
<xs:element name="Organization" type="OrganizationType" maxOccurs="unbounded"/> <!-- Renamed from Data_Center in dif_v9.8.3.xsd -->
<xs:element name="Distribution" type="DistributionType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Multimedia_Sample" type="MultimediaSampleType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Reference" type="ReferenceType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Summary" type="SummaryType"/> <!-- None-->
<xs:element name="Related_URL" type="RelatedURLType" maxOccurs="unbounded"/> <!-- Required now, not required in dif_v9.8.3.xsd -->
<!-- Removed Parent_Metadata , see Metadata_Association -->
<xs:element name="Metadata_Association" type="MetadataAssociationType" minOccurs="0" maxOccurs="unbounded"/> <!-- Added from UMM (ECHO) -->
<xs:element name="IDN_Node" type="IDNNodeType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
<xs:element name="Originating_Metadata_Node" type="OriginatingMetadataNodeType" minOccurs="0"/> <!-- None-->
<xs:element name="Metadata_Name" type="MetadataNameType"/> <!-- None-->
<xs:element name="Metadata_Version" type="MetadataVersionType"/> <!-- None-->
<!-- Moved DIF_Creation_Date to Metadata_Dates -->
<!-- Moved Last_DIF_Revision_Date to Metadata_Dates -->
<xs:element name="DIF_Revision_History" type="DIFRevisionHistoryType" minOccurs="0"/> <!-- None-->
<!-- Moved Future_DIF_Review_Date to Metadata_Dates -->
<xs:element name="Metadata_Dates" type="MetadataDatesType"/> <!-- Added-->
<xs:element name="Private" type="PrivateType" minOccurs="0"/> <!-- None-->
<xs:element name="Additional_Attributes" type="AdditionalAttributesType" minOccurs="0" maxOccurs="unbounded"/> <!-- Added from UMM (ECHO), renamed in C -->
<!-- Moved Data_Provider_Timestamps to Metadata_Dates -->
<xs:element name="Product_Level_Id" type="ProcessingLevelIdType" minOccurs="0"/> <!-- Added from UMM (ECHO) to be renamed Processing_Level_Id in 10.3 -->
<xs:element name="Collection_Data_Type" type="CollectionDataTypeEnum" minOccurs="0" maxOccurs="unbounded"/> <!-- Added from UMM (ECHO) -->
<xs:element name="Product_Flag" type="ProductFlagEnum" minOccurs="0"/> <!-- Added from UMM (EMS), made not required in 10.2, to be removed in in 10.3 -->
<xs:element name="Extended_Metadata" type="ExtendedMetadataType" minOccurs="0" maxOccurs="unbounded"/> <!-- None-->
</xs:sequence>
</xs:complexType>
</xs:element>
<!-- *********************************************************** -->
<!-- #mark Entry ID -->
<xs:complexType name="EntryIDType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Entry_ID/Short_Name</path></details></xs:appinfo>
<xs:appinfo><action>none</action></xs:appinfo>
<xs:documentation>
The GCMD collection ID, identifies the metadata record.
Uniqueness is defined using Originating_Metadata_Node, Entry_ID,
and Version and can be represented as:
`[Orig_Node]Entry_ID[Version]`
* Note, version constants:
* 'Not applicable' means Not Applicable for the metadata situation and should be ignored
* 'Not provided' means Not provided and should be ignored unless record is in review
* Also see Parent_Metadata
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| -------- | --------- | ----------------- | ------------------- | -------------------- |
| Entry_ID | ShortName | EntryID/ShortName | Entry_ID/Short_Name | No change |
| | Version | EntryID/Version | Entry_ID/Version | moved from top level |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Short_Name" type="xs:string"/>
<xs:element name="Version" type="xs:string"/>
</xs:sequence>
<!--xs:restriction base="xs:string"/-->
<!-- proposed attentions for 10.3 -->
<!--
<xs:attribute name="uuid" type="UuidType"/>
<xs:attribute name="provider" type="xs:string"/>
-->
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Version -->
<xs:simpleType name="VersionType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Version</path></details></xs:appinfo>
<xs:appinfo>
<action>added</action>
<src>UMM (ECHO)</src>
<since>b</since>
</xs:appinfo>
<xs:documentation>
Version identifier of the data collection.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ----- | --------- | ----------------- | ------- | -------------------------------------- |
| - | VersionId | Product/VersionId | Version | Added to match similar ECHO field |
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string"/>
</xs:simpleType>
<!-- *********************************************************** -->
<!-- #mark Version_Description -->
<xs:simpleType name="VersionDescriptionType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Version_Description</path></details></xs:appinfo>
<xs:appinfo><action>added</action><src>ECHO</src><since>b</since></xs:appinfo>
<xs:documentation>
* A brief description of the differences between this collection version and another collection version.
* This is not required in the ECHO 10 format and should not be required in this format.
This field is not included in the UMM as it was judged by ECHO as not worth the effort needed to ensure that the content was useful.
The goal of this field is to provide a description of what makes this instance of a product different from the other versions.
However, in practice the field has been either ignored, copied and pasted from version to version, or insignificant details were provided.
GCMD is in a unique position to help curate and encourage proper usage of this field and is adopting this field from the ECHO 10 format.
There is still debate on the inclusion of this field in the DIF 10 format.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ----- | ------------------ | --- | ------------------- | ---------------------------------- |
| - | VersionDescription | - | Version_Description | Added to match similar ECHO field |
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string"/>
</xs:simpleType>
<!-- *********************************************************** -->
<!-- #mark Entry_Title -->
<xs:simpleType name="EntryTitleType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Entry_Title</path></details></xs:appinfo>
<xs:appinfo><action>none</action></xs:appinfo>
<xs:documentation>
/DIF/Entry_Title
The GCMD product name, same as ECHO LongName.
* This attribute will identify the long name associated with the collection. This is the reference name used in describing the scientific contents of the data collection. The long name and version id must be unique for a provider.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ----------- | --------------------- | ---------- | ----------- | -------------------------------------------- |
| Entry_Title | LongName or DataSetID | EntryTitle | Entry_Title | UMM also has a LongName in the product field |
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string"/>
</xs:simpleType>
<!-- *********************************************************** -->
<!-- #mark Dataset_Citation -->
<xs:complexType name="DatasetCitationType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Dataset_Citation</path></details></xs:appinfo>
<xs:appinfo><action>renamed</action><src>GCMD</src><since>b</since></xs:appinfo>
<xs:appinfo><action>changed</action><src>CMRSCI-432</src><since>10.1</since></xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Note |
| ----------------- | ------------------------------ | ------------------ | --------------------- | --------------------- |
| Data_Set_Citation | CitationforExternalPublication | CollectionCitation | Dataset_Citation | Renamed |
| |
| Dataset_DOI | - | DOI | Persistent_Identifier | New type, generalized |
* Persistent_Identifier (PID) for Data (Examples: DOI, ARK,…)
* Dataset_DOI : a digital object identifier, use: "doi:10.1000/182" or "ark:/NAAN/Name[Qualifier]"
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Dataset_Creator" type="xs:string" minOccurs="0"/>
<xs:element name="Dataset_Editor" type="xs:string" minOccurs="0"/>
<xs:element name="Dataset_Title" type="xs:string" minOccurs="0"/>
<xs:element name="Dataset_Series_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Dataset_Release_Date" type="xs:string" minOccurs="0"/><!-- todo:change to date -->
<xs:element name="Dataset_Release_Place" type="xs:string" minOccurs="0"/>
<xs:element name="Dataset_Publisher" type="xs:string" minOccurs="0"/>
<xs:element name="Version" type="xs:string" minOccurs="0"/><!-- todo:should be VersionType? -->
<xs:element name="Issue_Identification" type="xs:string" minOccurs="0"/>
<xs:element name="Data_Presentation_Form" type="xs:string" minOccurs="0"/>
<xs:element name="Other_Citation_Details" type="xs:string" minOccurs="0"/>
<xs:element name="Persistent_Identifier" type="PersistentIdentifierType" minOccurs="0"/>
<xs:element name="Online_Resource" type="xs:anyURI" minOccurs="0"/><!-- changed from xs:string -->
</xs:sequence>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Personnel -->
<xs:complexType name="PersonnelType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM</src><since>b</since></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM</src><since>10.1</since><note>added Contact Group</note></xs:appinfo>
<xs:documentation>
NOTE: The /DIF/Personnel field not /DIF/Organization/Personnel
Defines the point of contact for the data set or the metadata.
The contact personnel are defined by the Role, which include:
Investigator: The person who headed the investigation or experiment that resulted in the acquisition of the data described (i.e., Principal Investigator, Experiment Team Leader)
Technical Contact: The person who is knowledgeable about the technical content of the data (quality, processing methods, units, available software for further processing)
Metadata Author: The person who is responsible for the content of the Metadata. If the responsibility shifts from the original author to another person, the Metadata Author field should be updated to the new responsible person.
Changes:
Personnel field was changed by moving all fields but Role to a
subfield called Contact_Person or Contact_Group which is shared with the
Organization field.
| DIF 9 | ECHO 10 |UMM | DIF 10 | Note |
| ----- | ------------ | ---------------- | ---------------- | ------------------------------------------- |
| Role | Job_Position | Role | Role | no change |
| - | - | - | Contact_Person/* | All Fields but Role moved to Contact_Person |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Role" type="PersonnelRoleEnum" maxOccurs="unbounded"/>
<xs:choice>
<xs:element name="Contact_Person" type="ContactPersonType" maxOccurs="unbounded"/>
<xs:element name="Contact_Group" type="ContactGroupType" maxOccurs="unbounded"/>
</xs:choice>
</xs:sequence>
</xs:complexType>
<xs:complexType name="OrgPersonnelType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel/Contact_Person</path></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM (ECHO)</src><since>b</since></xs:appinfo>
<xs:documentation>
The Personnel field for the /DIF/Organization field
| DIF 9 | ECHO 10 | UMM | DIF 10 | Note |
| ----- | ------------ | ----------------- | ---------------- | ------------------------------------------- |
| Role | Job_Position | Role | Role | no change |
| - | - | - | Contact_Person/* | All Fields but Role moved to Contact_Person |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Role" type="OrganizationPersonnelRoleEnum" maxOccurs="unbounded"/>
<xs:choice>
<xs:element name="Contact_Person" type="ContactPersonType" maxOccurs="unbounded"/>
<xs:element name="Contact_Group" type="ContactGroupType" maxOccurs="unbounded"/>
</xs:choice>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ContactPersonType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel/Contact_Person/Phone</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM</src></xs:appinfo>
<xs:documentation>
* Email moved to the end of list
* Phone and Fax were merged into the new Phone field
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| --------------- | -------------- | ------------- | -------------- | ------- |
| Personnel | ContactPerson | ContactPerson | Contact_Person | Renamed |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="First_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Middle_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Last_Name" type="xs:string"/>
<xs:element name="Address" type="AddressType" minOccurs="0"/>
<xs:element name="Phone" type="PhoneType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="Email" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<xs:complexType name="ContactGroupType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel/Contact_Person/Phone</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM</src></xs:appinfo>
<xs:documentation>
* Email moved to the end of list
* Phone and Fax were merged into the new Phone field
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ------------| -------------- | ------------- | ------------ | -------------------------------------------- |
| Personnel | ContactPerson | ContactPerson | Contact_Group | Added |
| | | | | |
| Last_Name | LastName | LastName | Name | Just map to last name |
| Address | Address | Address | Address | |
| Phone | Phone | Phone | Phone | Fax and Phon in DIF 9 merged with Phone type |
| Email | Email | Email | Email | |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Name" type="xs:string" minOccurs="0"/>
<xs:element name="Address" type="AddressType" minOccurs="0"/>
<xs:element name="Phone" type="PhoneType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="Email" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<xs:complexType name="AddressType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel/Contact_Person/Address</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM</src><since>b</since></xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ----------------- | ------------- | ------------- | -------------- | ------- |
| Address | StreetAddress | StreetAddress | Street_Address | Renamed |
| City | City | City | City | |
| Province_or_State | StateProvince | StateProvince | State_Province | Renamed |
| Postal_Code | PostalCode | PostalCode | Postal_Code | |
| Country | Country | Country | Country | |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Street_Address" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="City" type="xs:string" minOccurs="0"/>
<xs:element name="State_Province" type="xs:string" minOccurs="0"/>
<xs:element name="Postal_Code" type="xs:string" minOccurs="0"/>
<xs:element name="Country" type="xs:string" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="PhoneType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Personnel/Contact_Person/Phone</path></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM</src><since>b</since></xs:appinfo>
<xs:documentation>
DIF used discrete fields for different phone numbers (fax,
work, etc.) UMM defines a "name-value" style list which
should future proof phone numbers.
* Number : phone number
* Type : The type of telephone number provided
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| -------- | ----------| ------- | -------- | ----- |
| Phone | Phone | Phone | Phone | |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Number" type="xs:string"/>
<xs:element name="Type" type="PhoneTypeEnum"/>
</xs:sequence>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Discipline -->
<xs:complexType name="DisciplineType">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>removed</action><src>UMM (DIF)</src></xs:appinfo>
<xs:documentation>
Removed from the DIF as the old GCMD Disipline data is no longer needed. Existing values are to be moved to Extended_Metadata as:
* group = gov.nasa.gsfc.gcmd
* name = discipline
* value = orig value
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| --------------- | -------------- | ------------- | -------------- | ------- |
| Discipline | - | - | - | Removed |
</xs:documentation>
</xs:annotation>
<!--
<xs:sequence>
<xs:element name="Discipline_Name" type="xs:string"/>
<xs:element name="Subdiscipline" type="xs:string" minOccurs="0"/>
<xs:element name="Detailed_Subdiscipline" type="xs:string" minOccurs="0"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
-->
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Science Keywords -->
<xs:complexType name="ScienceKeywordsType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Science_Keywords</path></details></xs:appinfo>
<xs:appinfo>
<action>changed</action>
<src>UMM (DIF)</src>
</xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ---------- | --------------- | -------------------- | ---------------- | ------------------------------------------------------------------ |
| Parameters | ScienceKeywords | ScienceKeywords | Science_Keywords | Aligned the DIF with how Science Keywords are used everywhere else |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Category" type="xs:string"/>
<xs:element name="Topic" type="xs:string"/>
<xs:element name="Term" type="xs:string"/>
<xs:element name="Variable_Level_1" type="xs:string" minOccurs="0"/>
<xs:element name="Variable_Level_2" type="xs:string" minOccurs="0"/>
<xs:element name="Variable_Level_3" type="xs:string" minOccurs="0"/>
<xs:element name="Detailed_Variable" type="xs:string" minOccurs="0"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark ISO Topic Category -->
<xs:complexType name="ISOTopicCategoryType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/ISO_Topic_Category</path></details></xs:appinfo>
<xs:appinfo><action>none</action></xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ------------------ | --------------- | -------------------- | ------------------ | --------- |
| ISO_Topic_Category | - | - | ISO_Topic_Category | No change |
</xs:documentation>
</xs:annotation>
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="uuid" type="UuidType"/>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Ancillary Keyword -->
<xs:simpleType name="AncillaryKeywordType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Ancillary_Keyword</path></details></xs:appinfo>
<xs:appinfo>
<action>renamed</action>
<src>UMM (DIF)</src>
</xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ------- | ------- | ---------------- | ----------------- | ----------------------------------------- |
| Keyword | - | AncillaryKeyword | Ancillary_Keyword | Clearly distinguish from Science_Keywords |
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:string"/>
</xs:simpleType>
<!-- *********************************************************** -->
<!-- #mark Platform -->
<xs:complexType name="PlatformType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Platform</path></details></xs:appinfo>
<xs:appinfo>
<action>changed</action>
<src>UMM (ECHO)</src>
</xs:appinfo>
<xs:documentation>
Required by the UMM; use the "not applicable" platform and
instrument if a metadata record explicitly needs to not have a
platform. Metadata records found to be missing platforms by
software should use "undefined" until it can be confirmed
and moved to "not applicable"; "undefined" can be used for
cases where either the platform or instrument are unknown.
| DIF 9 | ECHO | UMM | DIF 10 | Notes
| ---------------- |-----------------| ---------------|---------------| ----------------------------------------------- |
| Source_Name | Platform | Platform | Platform | Field was renamed |
| - | Type | - | Type | Added from ECHO, made required as it is in ECHO |
| - | Long_Name | - | - | Made required |
| - | Characteristics | - | - | Added From ECHO |
| /DIF/Sensor_Name | Instrument | - | - | Moved to Platform |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Type" type="PlatformTypeEnum"/>
<xs:element name="Short_Name" type="xs:string"/>
<xs:element name="Long_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Characteristics" type="CharacteristicType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="Instrument" type="InstrumentType" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<xs:complexType name="InstrumentType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Platform/Instrument</path></details></xs:appinfo>
<xs:appinfo>
<action>moved</action>
<src>UMM (ECHO)</src>
</xs:appinfo>
<xs:appinfo><action>added</action><src>UMM (ECHO)</src><since>b</since></xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO | UMM | DIF 10 | Notes |
| ----------- |------------------|-----------------| ----------------- |---------------------------- |
| Sensor_Name | Instrument | Instrument | Instrument | Moved to within Platform |
| - | Technique | Technique | Technique | Added from ECHO |
| - | NumberOfSensors | NumberOfSensors | Number_Of_Sensors | Added from ECHO |
| - | Characteristics | Characteristics | Characteristics | Added from ECHO |
| - | OperationalMode | OperationalMode | Operational_Mode | Added from ECHO |
| - | Sensor | Sensor | Sensor | Added from ECHO |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Short_Name" type="xs:string"/>
<xs:element name="Long_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Technique" type="xs:string" minOccurs="0"/>
<xs:element name="NumberOfSensors" type="xs:int" minOccurs="0"/>
<xs:element name="Characteristics" type="CharacteristicType" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="OperationalMode" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="Sensor" type="SensorType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<xs:complexType name="SensorType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Platform/Instrument/Sensor</path></details></xs:appinfo>
<xs:appinfo>
<action>added</action>
<src>UMM (ECHO)</src>
</xs:appinfo>
<xs:documentation>
This entity holds the referential information for collection
source/sensor configuration including sensor parameters setting
such as technique etc.
* Short name of the sensor.
* Long name of the sensor.
* Technique applied for this sensor in the configuration.
| DIF 9 | ECHO | UMM | DIF 10 | Notes |
| ----------- |------------------|-----------------| ----------------- |---------------------------- |
| - | Sensor | Sensor | Sensor | Added from ECHO |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Short_Name" type="xs:string"/>
<xs:element name="Long_Name" type="xs:string" minOccurs="0"/>
<xs:element name="Technique" type="xs:string" minOccurs="0"/>
<xs:element name="Characteristics" type="CharacteristicType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<xs:complexType name="CharacteristicType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Platform/Instrument/Sensor/Characteristics</path></details></xs:appinfo>
<xs:appinfo>
<action>added</action>
<src>UMM (ECHO)</src>
</xs:appinfo>
<xs:documentation>
* The name of the characteristic attribute.
* Description of the Characteristic
* The datatype of the Characteristic/attribute.
* Unit is the unit of the Characteristic attribute value.
* The value of the Characteristic attribute.
| DIF 9 | ECHO | UMM | DIF 10 | Notes |
| ----------- |------------------|-----------------| ----------------- |---------------------------- |
| - | Characteristics | Characteristics | Characteristics | Added from ECHO |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Name" type="xs:string"/>
<xs:element name="Description" type="xs:string"/>
<xs:element name="DataType" type="xs:string"/>
<xs:element name="Unit" type="xs:string"/>
<xs:element name="Value" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Temporal_Coverage -->
<xs:complexType name="TemporalCoverageType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Temporal_Coverage</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM</src><since>b</since></xs:appinfo>
<xs:appinfo><action>rename</action><src>UMM</src><since>c</since><note>added underscore for local consistency</note></xs:appinfo>
<xs:appinfo><action>changed</action><src>CMR</src><since>10.2 b</since><note>CMR-2356 - change date type</note></xs:appinfo>
<xs:documentation>
Required by UMM-C; DIF and ECHO traditionally did not require.
This entity contains records which describe the basis of the
time system used for a specific collection.
Changes:
| DIF 9 | DIF 10 | Notes |
| ---------- | -------------------- | --------------------------------------- |
| Start_Date | Moved | See Choices |
| Stop_Date | Moved | See Choices |
| - | Time_Type | Added from ECHO 10 |
| - | Date_Type | Added from ECHO 10 |
| - | Temporal_Range_Type | Added from ECHO 10 |
| - | Precision_Of_Seconds | Added from ECHO 10 |
| - | Ends_At_Present_Flag | Added from ECHO 10 |
| - | Temporal_Info | Added to hold other ECHO 10 Time Fields |
* Time_Type: This attribute provides the time system which the values found in temporal subclasses represent.
* Date_Type: This attribute specifies the type of date represented by the value in the date attributes of the temporal subclasses.
* Temporal_Range_Type: This attribute tells the system and ultimately the end user how temporal coverage is specified for the collection.
* Precision_Of_Seconds: The precision (position in number of places to right of decimal point) of seconds used in measurement.
* Ends_At_Present_Flag: This attribute will denote that a data collection which covers, temporally, a discontinuous range, currently ends at the present date. This way, the granules, which comprise the data collection, that are continuously being added to inventory need not update the data collection metadata for each one.
* TemporalInfo: unknown
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Time_Type" type="xs:string" minOccurs="0" />
<xs:element name="Date_Type" type="xs:string" minOccurs="0" />
<xs:element name="Temporal_Range_Type" type="xs:string" minOccurs="0" />
<xs:element name="Precision_Of_Seconds" type="xs:int" minOccurs="0" />
<xs:element name="Ends_At_Present_Flag" type="xs:boolean" minOccurs="0" />
<xs:choice>
<xs:element name="Range_DateTime" type="RangeDateTimeType" maxOccurs="unbounded"/>
<xs:element name="Single_DateTime" type="DateOrTimeOrEnumType" maxOccurs="unbounded"/><!--CMR-2356-->
<xs:element name="Periodic_DateTime" type="PeriodicDateTimeType" maxOccurs="unbounded"/>
<xs:element name="Paleo_DateTime" type="PaleoDateTimeType" maxOccurs="unbounded"/>
</xs:choice>
<xs:element name="Temporal_Info" type="TemporalInfoType" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="PeriodicDateTimeType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Temporal_Coverage/Periodic_DateTime</path></details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM (ECHO)</src></xs:appinfo>
<xs:appinfo><action>changed</action><src>CMR</src><since>10.2 b</since><note>CMR-2356 - change date type</note></xs:appinfo>
<xs:documentation>
This entity contains the name of the temporal period in addition
to the date, time, duration unit, and value, and cycle duration
unit and value. Used at the collection level to describe a
collection having granules, which cover a regularly occurring
period.
* Name : The name given to the recurring time period. e.g. 'spring - north hemi.'
* Start_Date : This attribute provides the date (day and time) of the first occurrence of this regularly occurring period which is relevant to the collection, granule, or event coverage.
* End_Date : This attribute provides the date (day and time) of the last occurrence of this regularly occurring period which is relevant to the collection, granule, or event coverage.
* Duration_Unit : The unit specification for the period duration.
Duration_Value : The number of PeriodDurationUnits in the RegularPeriodic period. e.g. the RegularPeriodic event 'Spring-North Hemi' might have a:
* PeriodDurationUnit='MONTH',
* PeriodDurationValue='3' ,
* PeriodCycleDurationUnit='YEAR',
* PeriodCycleDurationValue='1',
indicating that Spring-North Hemi lasts for 3 months and has a cycle duration of 1 year. The unit for the attribute is the value of the attribute PeriodDurationValue.
* Period_Cycle_Duration_Unit : The unit specification of the period cycle duration.
* Period_Cycle_Duration_Value : The value of the attribute.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Name" type="xs:string"/>
<xs:element name="Start_Date" type="DateOrTimeOrEnumType"/><!--CMR-2356-->
<xs:element name="End_Date" type="DateOrTimeOrEnumType"/><!--CMR-2356-->
<xs:element name="Duration_Unit" type="DurationUnitEnum"/>
<xs:element name="Duration_Value" type="xs:int"/>
<xs:element name="Period_Cycle_Duration_Unit" type="DurationUnitEnum"/>
<xs:element name="Period_Cycle_Duration_Value" type="xs:int"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="RangeDateTimeType">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM (ECHO)</src><since>b</since></xs:appinfo>
<xs:documentation>
This entity stores the start and end date/time of a collection.
* BeginningDateTime : The time when the temporal coverage period being described began.
* EndingDateTime : The time when the temporal coverage period being described ended.
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Beginning_Date_Time" type="DateOrTimeOrEnumType"/>
<xs:element name="Ending_Date_Time" type="DateOrTimeOrEnumType" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="TemporalInfoType">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>moved</action><src>UMM</src></xs:appinfo>
<xs:documentation>
* TemporalKeywords : This attribute specifies a word or phrase which serves to summarize the temporal characteristics referenced in the collection.
* Temporal_Resolution : UMM still has not decided if this field is to be added here.
| DIF 9 | ECHO 10 | DIF 10 | Notes |
| ------------------------- | ------------------------ | -------------------------- | -------------------------------- |
| - | TemporalKeywords/Keyword | Ancillary_Temporal_Keyword | Added from ECHO |
| Temporal_Resolution | - | Temporal_Resolution | Removed |
| Temporal_Resolution_Range | - | - | Still in Data_Resolution |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Ancillary_Temporal_Keyword" type="xs:string" minOccurs="0" maxOccurs="unbounded"/>
<!--xs:element name="Temporal_Resolution" type="TemporalResolution" minOccurs="0" maxOccurs="unbounded"/-->
</xs:sequence>
</xs:complexType>
<!--
<xs:complexType name="TemporalResolution">
<xs:sequence>
<xs:element name="Duration" type="xs:string"/>
<xs:element name="Unit" type="xs:string"/>
</xs:sequence>
</xs:complexType>
-->
<xs:complexType name="PaleoDateTimeType">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>renamed</action><src>UMM</src></xs:appinfo>
<xs:documentation>
Was a top level field in DIF 9 but is now one of the choices within the Temporal_Coverage field.
| DIF 9 | ECHO | UMM | DIF 10 | Notes |
| ----------------------- |----------| --------------------- | --------------- | ------------------------------------|
| Paleo_Temporal_Coverage | - | PaleoTemporalCoverage | Paleo_Date_Time | Moved to Temporal_Coverage choice |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<!-- these dates will change from xs:string to xs:date in 10.3 -->
<xs:element name="Paleo_Start_Date" type="xs:string" minOccurs="0"/>
<xs:element name="Paleo_Stop_Date" type="xs:string" minOccurs="0"/>
<xs:element name="Chronostratigraphic_Unit" type="ChronostratigraphicUnitType" minOccurs="0" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ChronostratigraphicUnitType">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>none</action></xs:appinfo>
<xs:documentation>No change from DIF 9</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Eon"/>
<xs:element name="Era" minOccurs="0"/>
<xs:element name="Period" minOccurs="0"/>
<xs:element name="Epoch" minOccurs="0"/>
<xs:element name="Stage" minOccurs="0"/>
<xs:element name="Detailed_Classification" minOccurs="0"/>
</xs:sequence>
<xs:attribute name="uuid" type="UuidType"/>
</xs:complexType>
<!-- *********************************************************** -->
<!-- #mark Dataset_Progress -->
<xs:simpleType name="DatasetProgressType">
<xs:annotation>
<xs:appinfo><details><path>/DIF/Dataset_Progress</path></details></xs:appinfo>
<xs:appinfo>
<action>renamed</action>
<src>GCMD (DIF)</src>
</xs:appinfo>
<xs:documentation>
Describes the production status of the data set regarding its completeness.
There are three choices:
* ''Planned'' refers to data sets to be collected in the future and are thus unavailable at the present time. For Example: The Hydro spacecraft has not been launched, but information on planned data sets may be available.
* ''In Work'' refers to data sets currently undergoing production or data that is continuously being collected or updated. For Example: data from the AIRS instrument on Aqua is being collected continuously.
* ''Complete'' refers to data sets in which no updates or further data collection will be made. For Example: Nimbus-7 SMMR data collection has been completed.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ----------------- | ------- | ------------------ | ----------------- | -------------------- |
| Data_Set_Progress | - | CollectionProgress | Dataset_Progress | Renamed, set to enum |
</xs:documentation>
</xs:annotation>
<xs:restriction base="DatasetProgressEnum"/>
</xs:simpleType>
<!-- *********************************************************** -->
<!-- #mark Spatial_Coverage -->
<xs:complexType name="SpatialCoverageType">
<xs:annotation>
<xs:appinfo><details>/DIF/Spatial_Coverage</details></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM (ECHO)</src><since>b</since></xs:appinfo>
<xs:appinfo><action>changed</action><src>UMM (ECHO)</src><since>c</since></xs:appinfo>
<xs:documentation>
Required by UMM-C, DIF, and ECHO.
| DIF 9 | ECHO 10 | DIF 10 | Notes |
| ---------------- | ---------------------------- | ------------------------------ | --------------------------------------------------------------------- |
| Southernmost_L**| - | - | Moved Lat and Long fields to Geometry/Bounding_Rectangle |
| - | SpatialCoverageType | Spatial_Coverage_Type | Added from ECHO Spatial |
| - | GranuleSpatialRepresentation | Granule_Spatial_Representation | Added from ECHO Spatial and made required |
| - | - | Zone_Identifier | Added from ECHO HorizontalSpatialDomain |
| - | - | Geometry | Added from ECHO HorizontalSpatialDomain |
| - | OrbitParameters | Orbit_Parameters | Added from ECHO Spatial |
| - | VerticalSpatialDomain | Vertical_Spatial_Info | Added from ECHO, inside Vertical_Spatial_Info, use type |
| - | SpatialInfo | Spatial_Info | Added from ECHO fields, composite field |
* Spatial_Coverage_Type : This attribute denotes whether the collection's spatial coverage requires horizontal, vertical, or both in the spatial domain and coordinate system definitions.
* Granule_Spatial_Representation : Required if mapping granules to a DIF.
* Zone_Identifier : The appropriate numeric or alpha code used to identify the various zones in this grid coordinate system.
* Spatial_Info : This composite field stores the reference frame or system from which altitudes (elevations) are measured.
* todo: future versions should include units for the min and max values.
(**Southernmost_Latitude, Westernmost_Longitude, ..., all have "ternmost_L" in the middle.)
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Spatial_Coverage_Type" type="SpatialCoverageTypeEnum" minOccurs="0"/>
<xs:element name="Granule_Spatial_Representation" type="GranuleSpatialRepresentationEnum"/>
<xs:element name="Zone_Identifier" type="xs:string" minOccurs="0"/>
<xs:element name="Geometry" type="Geometry" minOccurs="0"/>
<xs:element name="Orbit_Parameters" type="OrbitParameters" minOccurs="0"/>
<xs:element name="Vertical_Spatial_Info" type="VerticalSpatialInfo" minOccurs="0" maxOccurs="unbounded"/>
<xs:element name="Spatial_Info" type="SpatialInfo" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="VerticalSpatialInfo">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM</src></xs:appinfo>
<xs:documentation>
This entity contains the domain value and type for the granule's
vertical spatial domain. The reference frame or system from
which altitude or depths are measured. The term 'altitude' is
used instead of the common term 'elevation' to conform to the
terminology in Federal Information Processing Standards 70-1 and
173. The information contains the datum name, distance units and
encoding method, which provide the definition for the system.
* Type : This attribute describes the type of the area of vertical space covered by the locality.
* Value : This attribute describes the extent of the area of vertical space covered by the granule. Must be accompanied by an Altitude Encoding Method description. The datatype for this attribute is the value of the attribute VerticalSpatialDomainType. The unit for this attribute is the value of either DepthDistanceUnits or AltitudeDistanceUnits.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ------------ | ----------------------------|----------------------- | ------------------------------ | ------------------------------------------------------- |
| - | VerticalSpatialDomain | VerticalSpatialDomain | Vertical_Spatial_Info | Added from ECHO, inside Vertical_Spatial_Info, use type |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Type" type="xs:string"/>
<xs:element name="Value" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Geometry">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM</src></xs:appinfo>
<xs:appinfo><action>changed</action><src>CMR</src><since>10.2</since><note>CMRQ-618</note></xs:appinfo>
<xs:documentation>
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| ------------ | ---------------------------- | -------------------------------- |------------------------------| --------------------------------------- |
| - | - | HorizontalSpatialDomain/Geometry | Geometry | Added from ECHO HorizontalSpatialDomain |
| - | Choice maxOccurs="unbounded" | Choice maxOccurs="unbounded" | Choice maxOccurs="unbounded" | Changed in 10.2 from CMRQ-618 |
</xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Coordinate_System" type="CoordinateSystemEnum"/>
<xs:choice maxOccurs="unbounded">
<xs:element name="Bounding_Rectangle" type="BoundingRectangleType"/>
<xs:element name="Point" type="Point"/>
<xs:element name="Line" type="Line"/>
<xs:element name="Polygon" type="GPolygon"/>
</xs:choice>
</xs:sequence>
</xs:complexType>
<xs:complexType name="Line">
<xs:annotation>
<xs:appinfo><details></details></xs:appinfo>
<xs:appinfo><action>added</action><src>UMM</src></xs:appinfo>
<xs:documentation></xs:documentation>
</xs:annotation>
<xs:sequence>
<xs:element name="Point" type="Point" minOccurs="2" maxOccurs="unbounded"/>
<xs:element name="CenterPoint" type="Point" minOccurs="0"/>
</xs:sequence>
</xs:complexType>
<!-- #mark _ Bounding_Rectangle -->
<xs:complexType name="BoundingRectangleType">
<xs:annotation>
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<xs:appinfo><action>added</action><src>UMM</src></xs:appinfo>
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Latitude and Longitude points are moved here from the
Spatial_Coverage field under DIF 9.
| DIF 9 | ECHO 10 | UMM | DIF 10 | Notes |
| --------------------- | ----------------------- | ----------------------- | --------------------- | ---------------------------- |
| - | CenterPoint | CenterPoint | Center_Point | Added to match ECHO10 field |
| Southernmost_Latitude | SouthBoundingCoordinate | SouthBoundingCoordinate | Southernmost_Latitude | Renamed |
| Northernmost_Latitude | NorthBoundingCoordinate | NorthBoundingCoordinate | Northernmost_Latitude | Renamed |
| Westernmost_Longitude | WestBoundingCoordinate | WestBoundingCoordinate | Westernmost_Longitude | Renamed |
| Easternmost_Longitude | EastBoundingCoordinate | EastBoundingCoordinate | Easternmost_Longitude | Renamed |
| Minimum_Altitude | - | Minimum_Altitude | Minimum_Altitude | Note: should be a number from now on, enforce later |
| Maximum_Altitude | - | Maximum_Altitude | Maximum_Altitude | Note: should be a number from now on, enforce later |
| - | - | Altitude_Unit | Altitude_Unit | Added because ECHO uses units in the dropped VerticalSystemDefinition |
| Minimum_Depth | - | Minimum_Depth | Minimum_Depth | Note: should be a number from now on, enforce later |
| Maximum_Depth | - | Maximum_Depth | Maximum_Depth | Note: should be a number from now on, enforce later |
| - | - | Depth_Unit | Depth_Unit | Added because ECHO uses units in the dropped VerticalSystemDefinition |
</xs:documentation>
</xs:annotation>
<xs:sequence>