Codelist Definitions

Date Type Code

Term	Definition
Creation	Date when the resource was brought into existence
Publication	Date when the resource was issued
Revision	Date when the resource was examined or re-examined and improved or amended
Adopted	Date when the resource was adopted or endoresed for use
Deprecated	Date when the resource was deprecated
Distribution	Date when an instance of the resource was distributed
Expiry	Date when the resource expires
In Force	Date when the resource became in force
Last Revision	Date when the resource was last revised
Last Update	Date when the resource was last updated
Next Update	Date when the resource will be next updated
Released	Date when the resource shall be released for public access
Superceded	Date when the resource was superceded or replaced by another resource
Unavailable	Date when the resource became not available or obtainable
Validity Begins	Date or time at which the resource became or will become valid
Validity Ends	Date or time when the resource is or will no longer be considered valid

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#CI_DateTypeCode.

Role Code

Role codes give context to the indiviudals or organizations associated with the dataset or resource described in the metadata. When assigned on the ‘Contacts’ page of the editor, the roles marked with an asterisk in the table below are used in the generation of dataset citations for resources archived in the Research Workspace DataONE Member Node.

Term	Definition
Author *	Party who authored the resource
Custodian	Party that accepts accountability and responsibility for the data and ensures appropriate care and maintenance of the resource
Distributor	Party who distributes the resource
Originator *	Party who created the resource
Owner *	Party that owns the resource
Point of Contact	Party who can be contacted for acquiring knowledge about or acquisition of the resource
Principal Investigator *	Key party responsible for gathering information and conducting research
Processor	Party who has processed the data in a manner such that the resource has been modified
Publisher	Party who published the resource
Resource Provider	Party that supplies the resource
Sponsor	Party that sponsors the resource
User	Party who uses the resource
Co-Author	Party who jointly authors the resource
Collaborator	Party who assists with the generation of the resource other than the Principal Investigator
Contributor	Party contributed to the resource
Editor	Party who reviewed or modified the resource to improve the content
Funder	Party providing monetary support for the resource
Mediator	Party that mediates access to the resource and for whom the resource is intended or useful
Rights Holder	Party owning or managing rights over the resource
Stakeholder	Party who has an interest in the resource or the use of the resource

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#CI_RoleCode.

Classification Code

Term	Definition
Unclassified	Available for general disclosure
Restricted	Not available for general disclosure
Confidential	Available for those who can be trusted with the information
Secret	Kept or meant to be kept private, unknown, or hidden from all but a select group of people
Top Secret	Of the highest secrecy
For Official Use Only	Unclassified information that is to be used only for official purposes determined by the designated body
Limited Distribution	Dissemination limited by designating body
Protected	Compromise of the information could be damaging
SBU	Unclassified, yet requires strict controls over distribution

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_ClassificationCode.

Keyword Type Code

Term	Definition
Discipline	Branch of instruction or specialized learning
Place	A location
Stratum	The layer(s) of any deposited substance or levels within an ordered system
Temporal	Time period(s) related to the dataset
Theme	A particular subject or topic
Data Center	A repository or archive that manages the data
Feature Type	Feature instance types present in a geospatial resource
Instrument	A device used to measure or compare physical properties
Platform	A structure on which an instrument is mounted
Process	A series of actions or natural occurrences
Product	A type of product
Project	An endeavor undertaken to create or modify a product or service
Service	An activity carried out by one party for the benefit of another

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_KeywordTypeCode.

Maintenance Frequency Code

Term	Definition
Continual	Data is repeatedly and frequently updated
Daily	Data is updated each day
Weekly	Data is updated on a weekly basis
Bi-weekly	Data is updated every two weeks
Monthly	Data is updated every month
Quarterly	Data is updated every three months
Biannually	Data is updated every six months
Annually	Data is updated every year
As Needed	Data is updated as deemed necessary
Irregularly	Data is updated in intervals that are uneven in duration
Not Planned	There are no plans to update the data
Unknown	Frequency of maintenance for the data is unknown

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_MaintenanceFrequencyCode.

Progress Code

Term	Definition
Completed	Production of the dataset has been completed or the project lifespan has ended
Archived	Data has been stored in an offline storage facility
Obsolete	Project or data is no longer relevant
Ongoing	Data is continually being updated or project lifespan has not ended
Planned	A date has been fixed by which the data will be created or updated
Required	Data needs to be generated or updated
Under Development	Data is currently in the process of being created or project is being executed
Final	Project or data processing concluded and no changes will be accepted
Pending	Committed to, but not yet addressed
Retired	Resource is no longer recommended for use
Superceded	Resource has been replaced by a newer resource
Tentative	Provisional changes are likely before the resource if final or becomes complete
Valid	Data is considered acceptable under specific conditions
Accepted	Data or final project status has been accepted by the sponsor
Not Accepted	Data or final project status has been rejected by the sponsor
Withdrawn	Removed from consideration
Proposed	Project or dataset has been suggested for development
Deprecated	Resource superceded and will become obsolete

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_ProgressCode.

Restriction Code

Term	Definition
Copyright	Exclusive right to the publication, production, or sale of the rights to a literary, dramatic, musical, or artistic work, or to the use of a commercial print or label, granted by law for a specified period of time to an author, composer, artist, distributor
Patent	Government has granted exclusive right to make, sell, use or license an invention or discovery
Patent Pending	Produced or sold information awaiting a patent
Trademark	A name, symbol, or other device identifying a product, officially registered and legally restricted to the use of the owner or manufacturer
License	Formal permission to do something
Intellectual Property Rights	Rights to financial benefit from and control of distribution of non-tangible property that is a result of creativity
Restricted	Withheld from general circulation or disclosure
Other Restrictions	Limitation not listed
Unrestricted	No constraints exist
License Unrestricted	Formal permissions not required to use the resource
License End User	Formal permission required for a person or an entity to use the resource and that may differ from the person that orders or purchases it
License Distributor	Formal permission required for a person or an entity to commercialize or distribute the resource
Private	Protects rights of individual or organization from observation, intrusion, or attention of others
Statutory	Prescribed by law
Confidential	Not available to the public, contains information that could be prejudicial to a commercial, industrial, or national interest
SBU	Unclassified, yet requires strict controls over its distribuition
In Confidence	With trust

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_RestrictionCode.

Spatial Representation Type Code

Term	Definition
Vector	Vector data used to represent geographic data
Grid	Grid data used to represent geographic data
Text table	Textual or tabular data used to represent geogrpahic data
TIN	Triangulated Irregular Network
Stereo model	3-dimensional view formed by the intersecting homologous rays of an overlapping pair of images
Video	Scene from a video recording

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_SpatialRepresentationTypeCode.

Topic Category Code

Term	Definition
Farming	Rearing of animals and/or cultivation of plants. Examples: agriculture, irrigation, aquaculture, plantations, herding, pests and diseases affecting crops and livestock
Biota	Flora and/or fauna in natural environment. Examples: wildlife, vegetation, biological sciences, ecology, wilderness, sealife, wetlands, habitat
Boundaries	Legal land descriptions. Examples: political and administrative boundaries
Climate Meteorology or Atmosphere	Processes and phenomena of the atmosphere. Examples: cloud cover, weather, climate, atmospheric conditions, climate change, precipitation
Economy	Economic activities, conditions and employment. Examples: production, labour, revenue, commerce, industry, tourism and ecotourism, forestry, fisheries, commercial or subsistence hunting, exploration and exploitation of resources such as minerals, oil and gas
Elevation	Height above or below sea level. Examples: altitude, bathymetry, digital elevation models, slope, derived products
Environment	Environmental resources, protection and conservation. Examples: environmental pollution, waste storage and treatment, environmental impact assessment, monitoring environmental risk, nature reserves, landscape
Geoscientific Information	Information pertaining to earth sciences. Examples: geophysical features and processes, geology, minerals, sciences dealing with the composition, structure and origin of the earth s rocks, risks of earthquakes, volcanic activity, landslides, gravity information, soils, permafrost, hydrogeology, erosion
Health	Health, health services, human ecology, and safety. Examples: disease and illness, factors affecting health, hygiene, substance abuse, mental and physical health, health services
Imagery Base Maps and Earth Cover	Base maps. Examples: land cover, topographic maps, imagery, unclassified images, annotations
Intelligence or Military	Military bases, structures, activities. Examples: barracks, training grounds, military transportation, information collection
Inland Waters	Inland water features, drainage systems and their characteristics. Examples: rivers and glaciers, salt lakes, water utilization plans, dams, currents, floods, water quality, hydrographic charts
Location	Positional information and services. Examples: addresses, geodetic networks, control points, postal zones and services, place names
Oceans	Features and characteristics of salt water bodies (excluding inland waters). Examples: tides, tidal waves, coastal information, reefs
Planning Cadastre	Information used for appropriate actions for future use of the land. Examples: land use maps, zoning maps, cadastral surveys, land ownership
Society	Characteristics of society and cultures. Examples: settlements, anthropology, archaeology, education, traditional beliefs, manners and customs, demographic data, recreational areas and activities, social impact assessments, crime and justice, census information
Structure	Man-made construction. Examples: buildings, museums, churches, factories, housing, monuments, shops, towers
Transportation	Means and aids for conveying persons and/or goods. Examples: roads, airports/airstrips, shipping routes, tunnels, nautical charts, vehicle or vessel location, aeronautical charts, railways
Utilities and Communication	Energy, water and waste systems and communications infrastructure and services. Examples: hydroelectricity, geothermal, solar and nuclear sources of energy, water purification and distribution, sewage collection and disposal, electricity and gas distribution, data communication, telecommunication, radio, communication networks
Extraterrestrial	Region more than 100 km above the surface of the earth
Disaster	Information related to disasters. Examples: site of the disaster, evacuation zone, disaster-prevention facility, disaster relief activities

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode.

Scope Code

Term	Definition
Attribute	Information applies to the attribute class
Attribute Type	Information applies to the characteristic of a feature
Collection Hardware	Information applies to the collection hardware class
Collection Session	Information applies to the collection session
Dataset	Information applies to the dataset
Series	Information applies to the series
Non Geographic Dataset	Information applies to non-geographic data
Dimension Group	Information applies to a dimension group
Feature	Information applies to a feature
Feature Type	Information applies to a feature type
Property Type	Information applies to a property type
Field Session	Information applies to a field session
Software	Information applies to a computer program or routine
Service	Information applies to a capability which a service provider entity makes available to a service user entity through a set of interfaces that define a behaviour, such as a use case
Model	Information applies to a copy or imitation of an existing or hypothetical object
Tile	Information applies to a tile, a spatial subset of geographic data
Initiative	The referencing entity applies to a transfer aggregate which was originally identified as an initiative (DS_Initiative)
Stereomate	The referencing entity applies to a transfer aggregate which was originally identified as a stereo mate (DS_StereoMate)
Sensor	The referencing entity applies to a transfer aggregate which was originally identified as a sensor (DS_Sensor)
Platform Series	The referencing entity applies to a transfer aggregate which was originally identified as a platform series (DS_PlatformSeries)
Sensor Series	The referencing entity applies to a transfer aggregate which was originally identified as a sensor series (DS_SensorSeries)
Production Series	The referencing entity applies to a transfer aggregate which was originally identified as a production series (DS_ProductionSeries)
Transfer Aggregate	The referencing entity applies to a transfer aggregate which has no existence outside of the transfer context
Other Aggregate	The referencing entity applies to a transfer aggregate which has an existence outside of the transfer context, but which does not pertains to a specific aggregate type.

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MX_ScopeCode.

Medium Format Code

Term	Definition
Cpio	CoPy In / Out (UNIX file format and command)
Tar	Tape ARchive
High Sierra	High Sierra file system
Iso9660	Information processing volume and file structure of CD-ROM
Iso9660 Rock Ridge	Rock ridge interchange protocol (UNIX)
Iso9660 Apple H F S	Hierarchical file system (Macintosh)
Udf	Universal disk format

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_MediumFormatCode.

Medium Name Code

Term	Definition
Cd Rom	Read-only optical disk
Dvd	Digital versatile disk
Dvd Rom	Digital versatile disk, read only
3half Inch Floppy	3,5 inch magnetic disk
5quarter Inch Floppy	5,25 inch magnetic disk
7track Tape	7 track magnetic tape
9track Type	9 track magnetic tape
3480 Cartridge	3480 cartridge tape drive
3490 Cartridge	3490 cartridge tape drive
3580 Cartridge	3580 cartridge tape drive
4mm Cartridge Tape	4 millimetre magnetic tape
8mm Cartridge Tape	8 millimetre magnetic tape
1quarter Inch Cartridge Tape	0,25 inch magnetic tape
Digital Linear Tape	Half inch cartridge streaming tape drive
On Line	Direct computer linkage
Satellite	Linkage through a satellite communication system
Telephone Link	Communication through a telephone network
Hardcopy	Pamphlet or leaflet giving descriptive information

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#MD_MediumNameCode.

Presentation Form Code

Term	Definition
Document Digital	Digital representation of a primarily textual item (can contain illustrations also)
Image Digital	Representation of a primarily textual item (can contain illustrations also) on paper, photograhic material, or other media
Document Hardcopy	Likeness of natural or man-made features, objects, and activities acquired through the sensing of visual or any other segment of the electromagnetic spectrum by sensors, such as thermal infrared, and high resolution radar and stored in digital format
Image Hardcopy	Likeness of natural or man-made features, objects, and activities acquired through the sensing of visual or any other segment of the electromagnetic spectrum by sensors, such as thermal infrared, and high resolution radar and reproduced on paper, photographic material, or other media for use directly by the human user
Map Digital	Map represented in raster or vector form
Map Hardcopy	Map printed on paper, photographic material, or other media for use directly by the human user
Model Digital	Multi-dimensional digital representation of a feature, process, etc.
Model Hardcopy	3-dimensional, physical model
Profile Digital	Vertical cross-section in digital form
Profile Hardcopy	Vertical cross-section printed on paper, etc.
Table Digital	Digital representation of facts or figures systematically displayed, especially in columns
Table Hardcopy	Representation of facts or figures systematically displayed, especially in columns, printed onpapers, photographic material, or other media
Video Digital	Digital video recording
Video Hardcopy	Video recording on film
Audio Digital	Digital audio recording
Audio Hardcopy	Audio recording delivered by analog media, such as a magnetic tape
Multimedia Digital	Information representation using simultaneously various digital modes for text, sound, image
Multimedia Hardcopy	Information representation using simultaneously various analog modes for text, sound, image
Physical Sample	A physical object, e.g. Rock or mineral sample, microscope slide
Diagram Digital	Information represented graphically by charts such as pie chart, bar chart, and other type of diagrams and recorded in digital format
Diagram Hardcopy	Information represented graphically by charts such as pie chart, bar chart, and other type of diagrams and printed on paper, phototographic material, or other media

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#CI_PresentationFormCode.

Initiative Type Code

Term	Definition
Campaign	Series of organized planned actions
Collection	Accumulation of datasets assembled for a specific purpose
Data Dictionary	Element and entity definitions
Exercise	Specific performance of a function or group of functions
Experiment	Process designed to find if something is effective or valid
Investigation	Search or systematic inquiry
Mission	Specific operation of a data collection system
Sensor	Device or piece of equipment
Operation	Action that is part of a series of actions
Platform	Vehicle or other support base that holds a sensor
Process	Method of doing something involving a number of steps
Program	Specific planned activity
Project	Organized undertaking, research, or development
Study	Examination or investigation
Task	Piece of work
Trial	Process of testing to discover or demonstrate something

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode.

Association Type Code

Term	Definition
Cross Reference	Reference from one dataset to another
Larger Work Citation	Reference to a master dataset of which this one is a part
Part of a Seamless Database	Part of same structured set of data held in a computer
Source	Information from which the dataset content originates
Stereo Mate	Part of a set of imagery that when used together, provides three-dimensional images

Definitions taken from http://www.ngdc.noaa.gov/metadata/published/xsd/schema/resources/Codelist/gmxCodelists.xml#DS_InitiativeTypeCode.