COLLECTION METADATA FOR DOQQS (GEOTIFF) DIGITAL ORTHOPHOTO QUARTER QUADRANGLES OF CALIFORNIA
Title DOQQs (GEOTIFF) Digital Orthophoto Quarter Quadrangles of California.
Short title DOQQs (GEOTIFF) of CA.
Responsible party U.S. Geological Survey, Digital Orthophoto Program.
Scope and purpose Digital Orthophoto Quarter Quadrangles (GEOTIFF) cover the state of California, each quarter quadrangle covering an area 3.75 degrees by 3.75 degrees. Some quadrangles are still in process as of March 2002.
Content type Digital online holdings; digital offline holdings in tape form.
Collection overview
Total item count 48 items as of March 14, 2002.Item metadata
Thesaurus or authority list for item types The ADL Object Type Thesaurus. .Spatial (geographic) coverage
Type Count images 48 remote-sensing images 48 aerial photographs 48
Temporal coverage
Item formats
Thesaurus or authority list for item formats The item formats are loosely based on RFC 2046, Multipurpose Internet Mail Extensions (MIME)..
Format Count Online 48 Image 48 TIFF 48
Schema Principally, MARC 21. A locally developed schema, MIL-B, is used for fields that would otherwise be subsumed under MARC 21 field 500 (general note).Supported search bucketsSample record ADL full metadata report for item DOQQ, Digital orthophoto quarter quadrangle], Crescent City NW, California in XML and HTML.
Geographic locationsTerms and conditions Copyright 1999 - 2002 by the Regents of the University of California. All rights reserved. The ADL Catalog is open to all University of California campuses. Items within the ADL Catalog carry their own statements about access and use constraints when restrictions apply.
Description Geographic locations and regions described by latitude/longitude coordinates.DatesMetadata mapping MARC 21 fields 034 d, e, f, g (coded cartographic mathematical data---coordinates) and 255 c (cartographic mathematical data---statement of coordinates)..
Notes Queries against this bucket are evaluated using a Plate Carre projection, i.e., by treating latitude and longitude as Cartesian coordinates. Thus, query regions may not include the North or South Poles. Additionally, non-rectangular query regions may not intersect the +/-180 meridian.
Description Dates and date ranges.TypesMetadata mapping MARC 21 fields 008/07-14 (publication date(s)), 045 (time period of content), 260 c (publication, distribution, etc. (imprint)---date of publication, distribution, etc.), and 260 g (publication, distribution, etc. (imprint)---date of manufacture)..
Description Terms drawn from a collection-dependent controlled vocabulary identifying meaning or content.FormatsMetadata mapping The ADL Catalog item types, which are in turn derived from MARC 21 field 655 a (index term---genre/form)..
Description Terms drawn from a collection-dependent controlled vocabulary identifying form or representation.Assigned termsMetadata mapping The ADL Catalog item formats..
Description Subject-related terms from controlled vocabularies. This bucket is a subset of the "Subject-related text" bucket.Subject-related textMetadata mapping MARC 21 fields 650 (subject added entry---topical term) and 651 (subject added entry---geographic name), and other 6XX (subject access) fields..
Notes Non-alphanumeric characters are treated as word separators.
Description Subject-related text, not necessarily from controlled vocabularies. This bucket is a superset of the "Assigned terms" bucket.Metadata mapping MARC 21 fields 245 (title statement), 500 (general note), 520 (summary, etc.), and others.
Notes Non-alphanumeric characters are treated as word separators.
Contact
Mary Larsgaard
Assistant Director
Map and Imagery Laboratory, Davidson Library
University of California at Santa Barbara
Santa Barbara, California 93106
E-mail: mary@alexandria.ucsb.edu
Phone: 805-893-4049