1.2 Description -- a characterization of the data set, including its intended use and limitations.
Type: compound = Abstract + Purpose + (Supplemental_Information)
1.2.1 Abstract -- a brief narrative summary of the data set.
Type: text
Domain: free text1.2.2 Purpose -- a summary of the intentions with which the data set was developed.
Type: text
Domain: free text
FAQ: / Notes:
Q: What is the difference between the “Abstract” and the “Purpose” elements?
A: The abstract briefly describes the “what” aspects of the data set (For example, what information is in the data set? What area is covered?). The “Purpose” describes the “why” aspects of the data set (For example, why was the data set created?).1.2.3 Supplemental Information -- other descriptive information about the data set.
Domain: free text
1.3 Time Period of Content -- time period(s) for which the data set corresponds to the currentness reference.
Type: compound
1.3.1 Beginning Date -- the first year (and optionally month, or month and day) of the event.
Type: date
Domain: "Unknown" free date1.3.3 Ending Date -- the last year (and optionally month, or month and day) for the event.
Type: date
Domain: "Unknown" "Present" free date
1.3.1 Currentness Reference -- the basis on which the time period of content information is determined.
Type: text
Domain: "ground condition" "publication date" free text
1.4 Status -- the state of and maintenance information for the data set.
Type: compound = Progress + Maintenance and Update Frequency
1.4.1 Progress -- the state of the data set.
Type: text
Domain: "Complete" "In work" "Planned"1.4.2 Maintenance and Update Frequency -- the frequency with which changes and additions are made to the data set after the initial data set is completed.
Type: text
Domain: "Continually" "Daily" "Weekly" "Monthly" "Annually" "Unknown" "As needed" "Irregular" "None planned" free text
1.5 Spatial Domain - the geographic areal domain of the data set.
Type: compound .
1.5.1 Bounding Coordinates - the limits of coverage of a data set expressed by latitude and longitude values in the order western-most, eastern-most, northern-most, and southern-most. For data sets that include a complete band of latitude around the earth, the West Bounding Coordinate shall be assigned the value -180.0, and the East Bounding Coordinate shall be assigned the value 180.0
| 1.5.1.1 | West Bounding Coordinate | western-most coordinate of the limit of coverage expressed in longitude. |
| Type: real | Domain: -180.0 <= West Bounding Coordinate < 180.0 | |
| 1.5.1.2 | East Bounding Coordinate | eastern-most coordinate of the limit of coverage expressed in longitude. |
| Type: real | Domain: -180.0 <= East Bounding Coordinate <= 180.0 | |
| 1.5.1.3 | North Bounding Coordinate | northern-most coordinate of the limit of coverage expressed in latitude. |
| Type: real | Domain: -90.0 <= North Bounding Coordinate <= 90.0; North Bounding Coordinate >= South Bounding Coordinate | |
| 1.5.1.4 | South Bounding Coordinate | southern-most coordinate of the limit of coverage expressed in latitude. |
| Type: real | Domain: -90.0 <= South Bounding Coordinate <= 90.0; South Bounding Coordinate <= North Bounding Coordinate |
1.6 Keywords -- words or phrases summarizing an aspect of the data set.
Type: compound = Theme Keyword Thesaurus + Theme Keyword
1.6.1 Theme -- Subject(s) covered by data set.
Type: compound= Theme Keyword Thesaurus + Theme Keyword
1.6.1.1 Theme Keyword Thesaurus -- reference to a formally registered thesaurus or a similar authoritative source of theme keywords.
Type: text
Domain: "None"; free text1.6.1.2 Theme Keyword -- common-use word or phrase used to describe the subject of the data set.
Type: text
Domain: free text
1.6.2 Place -- geographic locations characterized by the data set.
Type: compound = Place Keyword Thesaurus + Place Keyword
1.6.2.1 Place Keyword Thesaurus -- reference to a formally registered thesaurus or a similar authoritative source of place keywords.
Type: text
Domain: "None"; "Geographic Names Information System"; free text1.6.2.2 Place Keyword -- the geographic name of a location covered by a data set.
Type: text
Domain: free text
1.7 Access Constraints (Limits on data accessibility)-- restrictions and legal prerequisites for accessing the data set. These include any access constraints applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations on obtaining the data set.
Type: text
Domain: "None" free text
1.8 Use Constraints (Limits on use of data)-- restrictions and legal prerequisites for using the data set after access is granted. These include any use constraints applied to assure the protection of privacy or intellectual property, and any special restrictions or limitations on using the data set.
Type: text
Domain: "None"; free text
1.10.1 Browse Graphic File Name -- name (URL) of a related graphic file that provides an illustration of the data set.
Type: text
Domain: free text
1.10.2 Browse Graphic File Description -- a text description of the illustration.
Type: text
Domain: free text
1.10.3 Browse Graphic File Type -- graphic file type of a related graphic file.
Type: text,
Domain: domain values in the table (see drop-down box); free text
Spatial Data Organization Information
3.1 Indirect Spatial Reference -- name of types of geographic features, addressing schemes, or other means through which locations are referenced in the data set
Type: text, Domain: free text
3.2 Direct Spatial Reference Method -- the system of objects used to represent space in the data set.
Type: text, Domain: "Point", "Vector", "Raster"
Spatial Reference Information
4.1.2.2.1 Grid Coordinate System Name -- name of the grid coordinate system.
Type: text
Domain: "Universal Transverse Mercator", "Universal Polar Stereographic" "State Plane Coordinate System 1927", "State Plane Coordinate System 1983" "ARC Coordinate System", "other grid system"
4.1.4 Geodetic Model -- parameters for the shape of the earth.
Type: compound, Short Name: geodetic
4.1.4.1 Horizontal Datum Name -- the identification given to the reference system used for defining the coordinates of points.
Type: text
Domain: "North American Datum of 1927" "North American Datum of 1983", free text Short Name: horizdn
4.1.4.2 Ellipsoid Name -- identification given to established representations of the Earth's shape.
Type: text
Domain: "Clarke 1866" "Geodetic Reference System 80" free text Short Name: ellips
4.2 Vertical Coordinate System Definition -- the reference frame or system from which vertical distances (altitudes or depths) are measured.
Type: compound; Short Name: vertdef
4.2.1 Altitude System Definition -- the reference frame or system from which altitudes (elevations) 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.
Type: compound, Short Name: altsys
4.2.1.1 Altitude Datum Name -- the identification given to the surface taken as the surface of reference from which altitudes are measured.
Type: text
Domain: "National Geodetic Vertical Datum of 1929" "North American Vertical Datum of 1988", free text Short Name: altdatum
Distribution Information
6 Distribution Information -- information about the distributor of and options for obtaining the data set.
Type: compound
6.1 Distributor -- the party from whom the data set may be obtained.
Type: compound
6.2 Resource Description -- the identifier by which the distributor knows the data set.
Type: text
Domain: free text
6.3 Distribution Liability -- statement of the liability assumed by the distributor.
Type: text
Domain: free text
Identification Information
8.1 Originator -- the name of an organization or individual that developed the data set..
Type: text
Domain: "Unknown" free text
8.2 Publication Date -- the date when the data set is published or otherwise made available for release.
Type: date
Domain: "Unknown" "Unpublished material" or free date
8.3 Publication Time -- the time of day when the data set is published or otherwise made available for release.
Type: time
Domain: "Unknown" or free time
8.4 Title -- the name by which the data set is known.
Type: text
Domain: free text
8.5 Edition -- the version of the title.
Type: text
Domain: free text
8.6 Geospatial Data Presentation Form -- the mode in which the geospatial data are represented.
Type: text
8.8.1 Publication Place -- the name of the city (and state or province, and country, if needed to identify the city) where the data set was published or released.
Type: text
Domain: free text
8.8.2 Publisher -- the name of the individual or organization that published the data set.
Type: text
Domain: free text
8.10 Online Linkage -- the name of an online computer resource that contains the data set. Entries should follow the Uniform Resource Locator convention of the Internet.
Type: text
Domain: free text