ISO 19115-3 Codelists

CI_DateTypeCode

Identification of when a given event occurred

Code List: http://standards.iso.org/iso/19115/-3/cit/1.0/codelists.xml#CI_DateTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
CI_DateTypeCode_adopted	adopted	date identifies when resource was adopted
CI_DateTypeCode_creation	creation	date identifies when the resource was brought into existence	start date of a data collection, start date of a cruise..
CI_DateTypeCode_deprecated	deprecated	date identifies when resource was deprecated
CI_DateTypeCode_distribution	distribution	date identifies when an instance of the resource was distributed
CI_DateTypeCode_expiry	expiry	date identifies when resource expires
CI_DateTypeCode_inForce	inForce	date identifies when resource became in force
CI_DateTypeCode_lastRevision	lastRevision	date identifies when resource was last reviewed
CI_DateTypeCode_lastUpdate	lastUpdate	date identifies when resource was last updated
CI_DateTypeCode_nextUpdate	nextUpdate	date identifies when resource will be next updated
CI_DateTypeCode_publication	publication	date identifies when the resource was issued	paper publication date, dataset/resource release
CI_DateTypeCode_released	released	the date that the resource shall be released for public access
CI_DateTypeCode_revision	revision	date identifies when the resource was examined or re-examined and improved or amended
CI_DateTypeCode_superseded	superseded	date identifies when resource was superseded or replaced by another resource
CI_DateTypeCode_unavailable	unavailable	date identifies when resource became not available or obtainable
CI_DateTypeCode_validityBegins	validityBegins	time at which the data are considered to become valid. NOTE: There could be quite a delay between creation and validity begins
CI_DateTypeCode_validityExpires	validityExpires	time at which the data are no longer considered to be valid

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CI_OnLineFunctionCode

Function performed by the resource

Code List: http://standards.iso.org/iso/19115/-3/cit/1.0/codelists.xml#CI_DateTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
CI_DateTypeCode_browseGraphic	browseGraphic	browse graphic provided
CI_DateTypeCode_browsing	browsing	online browsing provided
CI_DateTypeCode_completeMetadata	completeMetadata	complete metadata provided
CI_DateTypeCode_download	download	online instructions for transferring data from one storage device or system to another	an FTP site or downloadable zip file
CI_DateTypeCode_emailService	emailService	online email service provided
CI_DateTypeCode_fileAccess	fileAccess	online file access provided
CI_DateTypeCode_information	information	online information about the resource	URLs with descriptive details about the resource
CI_DateTypeCode_offlineAccess	offlineAccess	online instructions for requesting the resource from the provider
CI_DateTypeCode_order	order	online order process for obtaining the resource	an interface for requesting the resource
CI_DateTypeCode_search	search	online search interface for seeking out information about the resource	map viewers, search interfaces
CI_DateTypeCode_upload	upload	online resource upload capability provided

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CI_PresentationFormCode

Mode in which the data are represented

Code List: http://standards.iso.org/iso/19115/-3/cit/1.0/codelists.xml#CI_PresentationFormCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
CI_PresentationFormCode_audioDigital	audioDigital	digital audio recording
CI_PresentationFormCode_audioHardcopy	audioHardcopy	audio recording delivered by analog media, such as a magnetic tape
CI_PresentationFormCode_diagramDigital	diagramDigital	information represented graphically by charts such as pie chart, bar chart, and other type of diagrams and recorded in digital format
CI_PresentationFormCode_diagramHardcopy	diagramHardcopy	information represented graphically by charts such as pie chart, bar chart, and other type of diagrams and printed on paper, photographic material, or other media
CI_PresentationFormCode_documentDigital	documentDigital	digital representation of a primarily textual item (can contain illustrations also)
CI_PresentationFormCode_documentHardcopy	documentHardcopy	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
CI_PresentationFormCode_imageDigital	imageDigital	representation of a primarily textual item (can contain illustrations also) on paper, photograhic material, or other media
CI_PresentationFormCode_imageHardcopy	imageHardcopy	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
CI_PresentationFormCode_mapDigital	mapDigital	map represented in raster or vector form
CI_PresentationFormCode_mapHardcopy	mapHardcopy	map printed on paper, photographic material, or other media for use directly by the human user
CI_PresentationFormCode_modelDigital	modelDigital	multi-dimensional digital representation of a feature, process, etc.
CI_PresentationFormCode_modelHardcopy	modelHardcopy	3-dimensional, physical model
CI_PresentationFormCode_multimediaDigital	multimediaDigital	information representation using simultaneously various digital modes for text, sound, image
CI_PresentationFormCode_multimediaHardcopy	multimediaHardcopy	information representation using simultaneously various analog modes for text, sound, image
CI_PresentationFormCode_physicalSample	physicalSample	a physical object, e.g. Rock or mineral sample, microscope slide
CI_PresentationFormCode_profileDigital	profileDigital	vertical cross-section in digital form
CI_PresentationFormCode_profileHardcopy	profileHardcopy	vertical cross-section printed on paper, etc.
CI_PresentationFormCode_tableDigital	tableDigital	digital representation of facts or figures systematically displayed, especially in columns
CI_PresentationFormCode_tableHardcopy	tableHardcopy	representation of facts or figures systematically displayed, especially in columns, printed onpapers, photographic material, or other media
CI_PresentationFormCode_videoDigital	videoDigital	digital video recording
CI_PresentationFormCode_videoHardcopy	videoHardcopy	video recording on film

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CI_RoleCode

Function performed by the responsible party

Code List: http://standards.iso.org/iso/19115/-3/cit/1.0/codelists.xml#CI_RoleCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Applicable for
CI_RoleCode_author	author	party who authored the resource	maps to dataCite element: 'Creator'
CI_RoleCode_coAuthor	coAuthor	party who jointly authors the resource
CI_RoleCode_collaborator	collaborator	party who assists with the generation of the resource other than the principal investigator
CI_RoleCode_contributor	contributor	party contributing to the resource
CI_RoleCode_custodian	custodian	party that accepts accountability and responsability for the data and ensures appropriate care and maintenance of the resource	archive
CI_RoleCode_distributor	distributor	party who distributes the resource	maps to dataCite element: 'Publisher'
CI_RoleCode_editor	editor	party who reviewed or modified the resource to improve the content
CI_RoleCode_funder	funder	party providing monetary support for the resource
CI_RoleCode_mediator	mediator	a class of entity that mediates access to the resource and for whom the resource is intended or useful
CI_RoleCode_originator	originator	party who created the resource	maps to dataCite element: 'Creator'
CI_RoleCode_owner	owner	party that owns the resource
CI_RoleCode_pointOfContact	pointOfContact	party who can be contacted for acquiring knowledge about or acquisition of the resource	data collector, contactable expert
CI_RoleCode_principalInvestigator	principalInvestigator	key party responsible for gathering information and conducting research	chief scientist; maps to dataCite element: 'Creator'
CI_RoleCode_processor	processor	party who has processed the data in a manner such that the resource has been modified
CI_RoleCode_publisher	publisher	party who published the resource	maps to dataCite element: 'Publisher'
CI_RoleCode_resourceProvider	resourceProvider	party that supplies the resource	maps to dataCite element: 'Creator'
CI_RoleCode_rightsHolder	rightsHolder	party owning or managing rights over the resource
CI_RoleCode_sponsor	sponsor	party that sponsors the resource
CI_RoleCode_stakeholder	stakeholder	party who has an interest in the resource or the use of the resource
CI_RoleCode_user	user	party who uses the resource

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CI_TelephoneTypeCode

Function performed by the responsible party

Code List: http://standards.iso.org/iso/19115/-3/cit/1.0/codelists.xml#CI_TelephoneTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Applicable for
CI_TelephoneTypeCode_fax	fax	telephone provides facsimile service
CI_TelephoneTypeCode_sms	sms	telephone provides sms service
CI_TelephoneTypeCode_voice	voice	telephone provides voice service

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DS_AssociationTypeCode

Justification for the correlation of two resources

Code List: http://standards.iso.org/iso/19115/-3/mri/1.0/codelists.xml#MD_MediumFormatCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_MediumFormatCode_collectiveTitle	collectiveTitle	common title for a collection of resources. NOTE: title identifies elements of a series collectively, combined with information about what volumes are available at the source cite
MD_MediumFormatCode_crossReference	crossReference	reference from one dataset to another	Use to identify related documents or related resources.
MD_MediumFormatCode_dependency	dependency	associated through a dependency
MD_MediumFormatCode_isComposedOf	isComposedOf	reference to resources that are parts of this resource
MD_MediumFormatCode_largerWorkCitation	largerWorkCitation	reference to a master dataset of which this one is a part	Use to identify parent collections, programs for which this resource is a part of, cruises or surveys from which the data was collected, etc.
MD_MediumFormatCode_partOfSeamlessDatabase	partOfSeamlessDatabase	part of the same structured set of data held in a computer
MD_MediumFormatCode_revisionOf	revisionOf	resource is a revision of associated resource
MD_MediumFormatCode_series	series	associated through a common heritage such as produced to a common product specification
MD_MediumFormatCode_stereoMate	stereoMate	part of a set of imagery that when used together, provides three-dimensional images
Deprecated Entries
Invalid Entry	source	No longer a valid entry for this codelist Mapping and charting information from which the dataset content originates	No longer a valid entry for this codelist Document sources in the lineage section.

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DS_InitiativeTypeCode

Type of aggregation activity in which resources are related

Code List: http://standards.iso.org/iso/19115/-3/mri/1.0/codelists.xml#DS_InitiativeTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
DS_InitiativeTypeCode_campaign	campaign	series of organized planned actions
DS_InitiativeTypeCode_collection	collection	accumulation of datasets assembled for a specific purpose
DS_InitiativeTypeCode_exercise	exercise	specific performance of a function or group of functions
DS_InitiativeTypeCode_experiment	experiment	process designed to find if something is effective or valid
DS_InitiativeTypeCode_investigation	investigation	search or systematic inquiry
DS_InitiativeTypeCode_mission	mission	specific operation of a data collection system
DS_InitiativeTypeCode_operation	operation	action that is part of a series of actions
DS_InitiativeTypeCode_platform	platform	vehicle or other support base that holds a sensor
DS_InitiativeTypeCode_process	process	method of doing something involving a number of steps
DS_InitiativeTypeCode_program	program	specific planned activity
DS_InitiativeTypeCode_project	project	organized undertaking, research, or development
DS_InitiativeTypeCode_sensor	sensor	device or piece of equipment which detects or records
DS_InitiativeTypeCode_study	study	examination or investigation
DS_InitiativeTypeCode_task	task	piece of work
DS_InitiativeTypeCode_trial	trial	process of testing to discover or demonstrate something
Local Extensions
Local Extension	dataDictionary	element and entity definitions
Local Extension	sciencePaper	document based on an experiment or research
Local Extension	userGuide	operating manual for users

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MD_ClassificationCode

Name of the handling restrictions on the resource

Code List: http://standards.iso.org/iso/19115/-3/mco/1.0/codelists.xml#MD_ClassificationCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_ClassificationCode_confidential	confidential	available for someone who can be entrusted with information
MD_ClassificationCode_forOfficialUseOnly	forOfficialUseOnly	unclassified information that is to be used only for official purposes determined by the designating body
MD_ClassificationCode_limitedDistribution	limitedDistribution	desimination limited by designating body
MD_ClassificationCode_protected	protected	compromise of the information could cause damage
MD_ClassificationCode_restricted	restricted	not for general disclosure
MD_ClassificationCode_SBU	SBU	although unclassified, requires strict controls over its distribution
MD_ClassificationCode_secret	secret	kept or meant to be kept private, unknown, or hidden from all but a select group of people
MD_ClassificationCode_topSecret	topSecret	of the highest secrecy
MD_ClassificationCode_unclassified	unclassified	available for general disclosure

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MD_CoverageContentTypeCode

Specific type of information represented in the cell

Code List: http://standards.iso.org/iso/19115/-3/mrc/1.0/codelists.xml#MD_CoverageContentTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_CoverageContentTypeCode_auxillaryInformation	auxillaryInformation	data, usually a physical measurement, used to support the calculation of the primary physicalMeasurement coverages in the dataset (e.g. grid of aerosol optical thickness used in the calculation of a sea surface temperature product).
MD_CoverageContentTypeCode_coordinate	coordinate	data used to provide coordinate axis values
MD_CoverageContentTypeCode_image	image	meaningful numerical representation of a physical parameter that is not the actual value of the physical parameter
MD_CoverageContentTypeCode_modelResult	modelResult	resources with values that are calculated using a model rather than being observed or calculated from observations.
MD_CoverageContentTypeCode_physicalMeasurement	physicalMeasurement	value in physical units of the quantity being measured
MD_CoverageContentTypeCode_qualityInformation	qualityInformation	data used to characterize the quality of the physicalMeasurement coverages in the dataset. Typically included in a gmi:QE_CoverageResult.
MD_CoverageContentTypeCode_referenceInformation	referenceInformation	reference information used to support the calculation or use of the physicalMeasurement coverages in the dataset (e.g. grids of latitude/longitude used to geolocate the physical measurements).
MD_CoverageContentTypeCode_thematicClassification	thematicClassification	code value with no quantitative meaning, used to represent a physical quantity
Local Extensions
Invalid Entry	auxilliaryData	DEPRECATED!: Use 'MD_CoverageContentTypeCode_auxillaryInformation' instead. values of extraneous data that are not part of the physical measurement	DEPRECATED

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MD_ImagingConditionCode

Code which indicates conditions which may affect the image

Code List: http://standards.iso.org/iso/19115/-3/mrc/1.0/codelists.xml#MD_ImagingConditionCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_ImagingConditionCode_blurredImage	blurredImage	portion of the image is blurred
MD_ImagingConditionCode_cloud	cloud	portion of the image is partially obscured by cloud cover
MD_ImagingConditionCode_degradingObliquity	degradingObliquity	acute angle between the plane of the ecliptic (the plane of the Earth s orbit) and the plane of the celestial equator
MD_ImagingConditionCode_fog	fog	portion of the image is partially obscured by fog
MD_ImagingConditionCode_heavySmokeOrDust	heavySmokeOrDust	portion of the image is partially obscured by heavy smoke or dust
MD_ImagingConditionCode_night	night	image was taken at night
MD_ImagingConditionCode_rain	rain	image was taken during rainfall
MD_ImagingConditionCode_semiDarkness	semiDarkness	image was taken during semi-dark conditions -- twilight conditions
MD_ImagingConditionCode_shadow	shadow	portion of the image is obscured by shadow
MD_ImagingConditionCode_snow	snow	portion of the image is obscured by snow
MD_ImagingConditionCode_terrainMasking	terrainMasking	the absence of collection data of a given point or area caused by the relative location of topographic features which obstruct the collection path between the collector(s) and the subject(s) of interest

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MD_RestrictionCode

Limitation(s) placed upon the access or use of the data

Code List: http://standards.iso.org/iso/19115/-3/mco/1.0/codelists.xml#MD_RestrictionCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_RestrictionCode_confidential	confidential	not available to the public contains information that could be prejudicial to a commercial, industrial, or national interest
MD_RestrictionCode_copyright	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
MD_RestrictionCode_in-confidence	in-confidence	with trust
MD_RestrictionCode_intellectualPropertyRights	intellectualPropertyRights	rights to financial benefit from and control of distribution of non-tangible property that is a result of creativity
MD_RestrictionCode_licenceDistributor	licenceDistributor	formal permission required for a person or an entity to commercialize or distribute the resource
MD_RestrictionCode_licenceEndUser	licenceEndUser	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
MD_RestrictionCode_licenceUnrestricted	licenceUnrestricted	formal permission not required to use the resource
MD_RestrictionCode_license	license	formal permission to do something
MD_RestrictionCode_otherRestrictions	otherRestrictions	limitation not listed	applies to data is public and in the archive, but not distributed by the archive - add more info in free text field
MD_RestrictionCode_patent	patent	government has granted exclusive right to make, sell, use or license an invention or discovery
MD_RestrictionCode_patentPending	patentPending	produced or sold information awaiting a patent
MD_RestrictionCode_private	private	protects rights of individual or organisations from observation, intrusion, or attention of others
MD_RestrictionCode_restricted	restricted	withheld from general circulation or disclosure
MD_RestrictionCode_SBU	SBU	although unclassified, requires strict controls over its distribution.
MD_RestrictionCode_statutory	statutory	prescribed by law
MD_RestrictionCode_trademark	trademark	a name, symbol, or other device identifying a product, officially registered and legally restricted to the use of the owner or manufacturer
MD_RestrictionCode_unrestricted	unrestricted	no constraints exist

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Data Quality Codelists

Codelists from the Metadata for Data Quality (mdq) Namespace

DQ_EvaluationMethodTypeCode

Description of the evaluation method and procedure applied

Code List: http://standards.iso.org/iso/19157/-2/mdq/1.0/codelists.xml#DQ_EvaluationMethodTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
DQ_EvaluationMethodTypeCode_directExternal	directExternal	method of evaluating the quality of a dataset based on inspection of items within the dataset, where reference data external to the dataset being evaluated is required
DQ_EvaluationMethodTypeCode_directInternal	directInternal	method of evaluating the quality of a dataset based on inspection of items within the dataset, where all data required is internal to the dataset being evaluated
DQ_EvaluationMethodTypeCode_indirect	indirect	method of evaluating the quality of a dataset based on external knowledge

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Distribution Codelists

Codelists from the Metadata for Resource Distribution (mrd) Namespace

MD_MediumFormatCode

Method used to write to the medium

Code List: http://standards.iso.org/iso/19115/-3/mrd/1.0/codelists.xml#MD_MediumFormatCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_MediumFormatCode_cpio	cpio	CoPy In / Out (UNIX file format and command)
MD_MediumFormatCode_highSierra	highSierra	high sierra file system
MD_MediumFormatCode_iso9660	iso9660	information processing volume and file structure of CD-ROM
MD_MediumFormatCode_iso9660AppleHFS	iso9660AppleHFS	hierarchical file system (Macintosh)
MD_MediumFormatCode_iso9660RockRidge	iso9660RockRidge	rock ridge interchange protocol (UNIX)
MD_MediumFormatCode_tar	tar	Tape ARchive
MD_MediumFormatCode_udf	udf	universal disk format

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MD_KeywordTypeCode

Methods used to group similar keywords

Code List: http://standards.iso.org/iso/19115/-3/mri/1.0/codelists.xml#MD_KeywordTypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_KeywordTypeCode_dataCentre	dataCentre	keyword identifies a repository or archive that manages and distributes data	use for identifying organizations
MD_KeywordTypeCode_discipline	discipline	keyword identifies a branch of instruction or specialized learning
MD_KeywordTypeCode_featureType	featureType	keyword identifies a resource containing or about a collection of feature instances with common characteristics
MD_KeywordTypeCode_instrument	instrument	keyword identifies a device used to measure or compare physical properties
MD_KeywordTypeCode_place	place	keyword identifies a location	general location of resource
MD_KeywordTypeCode_platform	platform	keyword identifies a structure upon which an instrument is mounted
MD_KeywordTypeCode_process	process	keyword identifies a series of actions or natural occurrences
MD_KeywordTypeCode_product	product	keyword identifies a type of product
MD_KeywordTypeCode_project	project	keyword identifies a type of product
MD_KeywordTypeCode_service	service	keyword identifies an activity carried out by one party for the benefit of another
MD_KeywordTypeCode_stratum	stratum	keyword identifies the layer(s) of any deposited substance or levels within an ordered system
MD_KeywordTypeCode_subTopicCategory	subTopicCategory	refinement of a topic category for the purpose of geographic data classification
MD_KeywordTypeCode_taxon	taxon	keyword identifies a time period related to the dataset
MD_KeywordTypeCode_temporal	temporal	keyword identifies a time period related to the dataset	general category of time range
MD_KeywordTypeCode_theme	theme	keyword identifies a particular subject or topic
Local Extensions
Invalid Entry	dataCenter	Deprecated! use MD_KeywordTypeCode_dataCentre instead Keyword identifies a data center related to the resource	Deprecated! use MD_KeywordTypeCode_dataCentre instead.
Local Extension	dataResolution	keyword identifies a temporal or spatial resolution

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MD_TopicCategoryCode

High-level geographic data thematic classification to assist in the grouping and search of available geographic data sets. Can be used to group keywords as well. Listed examples are not exhaustive.

NOTE: It is understood there are overlaps between general categories and the user is encouraged to select the one most appropriate.

Code List: http://standards.iso.org/iso/19115/-3/mri/1.0/codelists.xml#MD_TopicCategoryCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_TopicCategoryCode_biota	biota	flora and/or fauna in natural environment. Examples: wildlife, vegetation, biological sciences, ecology, wilderness, sealife, wetlands, habitat
MD_TopicCategoryCode_boundaries	boundaries	legal land descriptions. Examples: political and administrative boundaries
MD_TopicCategoryCode_climatologyMeteorologyAtmosphere	climatologyMeteorologyAtmosphere	processes and phenomena of the atmosphere. Examples: cloud cover, weather, climate, atmospheric conditions, climate change, precipitation
MD_TopicCategoryCode_disaster	disaster	Information related to disasters. Examples: site of the disaster, evacuation zone, disaster-prevention facility, disaster relief activities
MD_TopicCategoryCode_economy	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
MD_TopicCategoryCode_elevation	elevation	height above or below sea level. Examples: altitude, bathymetry, digital elevation models, slope, derived products
MD_TopicCategoryCode_environment	environment	environmental resources, protection and conservation. Examples: environmental pollution, waste storage and treatment, environmental impact assessment, monitoring environmental risk, nature reserves, landscape
MD_TopicCategoryCode_extraTerrestrial	extraTerrestrial	region more than 100 km above the surface of the Earth
MD_TopicCategoryCode_farming	farming	rearing of animals and/or cultivation of plants. Examples: agriculture, irrigation, aquaculture, plantations, herding, pests and diseases affecting crops and livestock
MD_TopicCategoryCode_geoscientificInformation	geoscientificInformation	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
MD_TopicCategoryCode_health	health	health, health services, human ecology, and safety. Examples: disease and illness, factors affecting health, hygiene, substance abuse, mental and physical health, health services
MD_TopicCategoryCode_imageryBaseMapsEarthCover	imageryBaseMapsEarthCover	base maps. Examples: land cover, topographic maps, imagery, unclassified images, annotations
MD_TopicCategoryCode_inlandWaters	inlandWaters	inland water features, drainage systems and their characteristics. Examples: rivers and glaciers, salt lakes, water utilization plans, dams, currents, floods, water quality, hydrographic charts
MD_TopicCategoryCode_intelligenceMilitary	intelligenceMilitary	military bases, structures, activities. Examples: barracks, training grounds, military transportation, information collection
MD_TopicCategoryCode_location	location	positional information and services. Examples: addresses, geodetic networks, control points, postal zones and services, place names
MD_TopicCategoryCode_oceans	oceans	features and characteristics of salt water bodies (excluding inland waters). Examples: tides, tidal waves, coastal information, reefs
MD_TopicCategoryCode_planningCadastre	planningCadastre	information used for appropriate actions for future use of the land. Examples: land use maps, zoning maps, cadastral surveys, land ownership
MD_TopicCategoryCode_society	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
MD_TopicCategoryCode_structure	structure	man-made construction. Examples: buildings, museums, churches, factories, housing, monuments, shops, towers
MD_TopicCategoryCode_transportation	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
MD_TopicCategoryCode_utilitiesCommunication	utilitiesCommunication	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

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Maintenance Information Codelists

Codelists from the Metadata for Maintenance Information (mmi) Namespace

MD_MaintenanceFrequencyCode

Frequency with which modifications and deletions are made to the data after it is first produced

Code List: http://standards.iso.org/iso/19115/-3/mmi/1.0/codelists.xml#MD_MaintenanceFrequencyCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_MaintenanceFrequencyCode_annually	annually	data is updated every year
MD_MaintenanceFrequencyCode_asNeeded	asNeeded	data is updated as deemed necessary	applies to resources with 'completed' status
MD_MaintenanceFrequencyCode_biannually	biannually	data is updated twice each year
MD_MaintenanceFrequencyCode_biennially	biennially	resource is updated every 2 years
MD_MaintenanceFrequencyCode_continual	continual	data is repeatedly and frequently updated	use fo data that is updated at a greater than daily frequency
MD_MaintenanceFrequencyCode_daily	daily	data is updated each day
MD_MaintenanceFrequencyCode_fortnightly	fortnightly	data is updated every two weeks
MD_MaintenanceFrequencyCode_irregular	irregular	data is updated in intervals that are uneven in duration
MD_MaintenanceFrequencyCode_monthly	monthly	data is updated each month
MD_MaintenanceFrequencyCode_notPlanned	notPlanned	there are no plans to update the data	applies to resources with 'completed' status
MD_MaintenanceFrequencyCode_periodic	periodic	resource is updated at regular intervals
MD_MaintenanceFrequencyCode_quarterly	quarterly	data is updated every three months
MD_MaintenanceFrequencyCode_semimonthly	semimonthly	resource updated twice a monthly
MD_MaintenanceFrequencyCode_unknown	unknown	frequency of maintenance for the data is not known
MD_MaintenanceFrequencyCode_weekly	weekly	data is updated on a weekly basis

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Metadata Extension Information Codelists

Codelists from the Metadata with Schema Extensions (mex) Namespace

MD_DatatypeCode

Datatype of element or entity

Code List: http://standards.iso.org/iso/19115/-3/mex/1.0/codelists.xml#MD_DatatypeCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_DatatypeCode_abstractClass	abstractClass	class that cannot be directly instantiated
MD_DatatypeCode_aggregateClass	aggregateClass	class that is composed of classes it is connected to by an aggregate relationship
MD_DatatypeCode_association	association	semantic relationship between two classes that involves connections among their instances
MD_DatatypeCode_characterString	characterString	free text field
MD_DatatypeCode_class	class	descriptor of a set of objects that share the same attributes, operations, methods, relationships, and behavior
MD_DatatypeCode_codelist	codelist	descriptor of a set of objects that share the same attributes, operations, methods, relationships, and behavior
codelistElement	codelistElement	permissible value for a codelist or enumeration
MD_DatatypeCode_datatypeClass	datatypeClass	class with few or no operations whose primary purpose is to hold the abstract state of another class for transmittal, storage, encoding or persistent storage
MD_DatatypeCode_enumeration	enumeration	data type whose instances form a list of named literal values, not extendable
MD_DatatypeCode_integer	integer	numerical field
MD_DatatypeCode_interfaceClass	interfaceClass	named set of operations that characterize the behavior of an element
MD_DatatypeCode_metaClass	metaClass	class whose instances are classes
MD_DatatypeCode_specifiedClass	specifiedClass	subclass that may be substituted for its superclass
MD_DatatypeCode_typeClass	typeClass	class used for specification of a domain of instances (objects), together with the operations applicable to the objects. A type may have attributes and associations
MD_DatatypeCode_unionClass	unionClass	class describing a selection of one of the specified types

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MD_ObligationCode

Obligation of the element or entity

Code List: http://standards.iso.org/iso/19115/-3/mex/1.0/codelists.xml#MD_ObligationCode

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
MD_ObligationCode_conditional	conditional	element is required when a specific condition is met
MD_ObligationCode_mandatory	mandatory	element is always required
MD_ObligationCode_optonal	optional	element is not required

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Reference System Codelists

Codelists from the Metadata for Reference System (mrs) Namespace

MD_ReferenceSystemTypeCode

Obligation of the element or entity

Code List: http://standards.iso.org/iso/19115/-3/mex/1.0/codelists.xml#MD_ObligationCode

Code Space: http://standards.iso.org/iso/19115

TODO

SV_ServiceIdentification Codelists

Codelists from the Metadata for Services (srv) Namespace

SV_CouplingType

Class of information to which the referencing entity applies

Code List: http://standards.iso.org/iso/19115/-3/srv/2.0/codelists.xml#SV_CouplingType

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
SV_CouplingType_loose	loose	service instance is loosely coupled with a data instance i.e. no MD_DataIdentification class has to be described
SV_CouplingType_mixed	mixed	service instance is mixed coupled with a data instance i.e. MD_DataIdentification describes the associated data instance and additionally the service instance might work with other external data instances
SV_CouplingType_tight	tight	service instance is tightly coupled with a data instance i.e. MD_DataIdentification class MUST be described

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SV_ParameterDirection

Indication if the parameter is an input to the service, an output or both

Code List: http://standards.iso.org/iso/19115/-3/srv/2.0/codelists.xml#SV_ParameterDirection

Code Space: http://standards.iso.org/iso/19115

Entry	Label	Description	Notes
SV_ParameterDirection_in	in	indication if the parameter is an input to the service, an output or both
SV_ParameterDirection_out	out	the parameter is an output parameter to the service instance
SV_ParameterDirection_inout	in/out	the parameter is both an input and output parameter to the service instance

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