Proceedings of the Symposium on Global and Environmental Monitoring: Proceedings of the Symposium on Global and Environmental Monitoring

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Persistent identifier:: 856665355

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts ; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856665355

Language:: English

Document type:: Multivolume work

Volume

Persistent identifier:: 856669164

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Scope:: XIV, 912 Seiten

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856669164

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: ZS 312(28,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [WP-5 LARGE SHARED DATABASES]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: PIXELS AND CENSELS: PUTTING PEOPLE IN THE PICTURE. Robert W. Marx

Document type:: Multivolume work

Structure type:: Chapter

states and all 39,000 units of local government in the United States during the summer of 1989 as part of the Local Review Program -- all counties, all towns and townships, all cities and villages, all American Indian reservations. They provide several advantages over the Prototype files. (See Figure 3) • For the counties containing the Nation’s urban cores, the Precensus TIGER/Line files include the streets, street names, address ranges, and associated ZIP Codes that were identified as “missing” or “incorrect” during the Census Bureau’s initial address matching use of the TIGER data base to support the 1990 census. This process computer-matched a list of 53 million housing unit addresses located in the 345 largest urban areas of the United States. Staff in the Census Bureau’s regional offices clerically researched the 14 million addresses that did not match at that time, finding out why they did not match. They used the results of this research to improve the content of the TIGER data base in these rapidly changing urban areas. • The Precensus files contain updated geographic entity codes reflecting the January 1, 1988 boundaries reported to the Census Bureau by the nearly 39,000 units of local government covered by the 1988 Boundary and Annexation Survey. The 1988 codes appear in addition to the 1980 census code set available in the Prototype TIGER/Line files. • The Precensus files added a permanent record identification number — unique nationwide -- that will permit easier comparisons between the Precensus files and future versions of the TIGER/Line files. • The Precensus files were “edge-matched” in an attempt to make them capable of producing a “seamless map” of the entire United States or any group of adjacent counties. This process did not work perfectly; although all intersections of features with the edge of each county partition match, the “shape” points defining the edge of the partition between the intersections often do not. File Size (Megabytes) - Median6.2 Figure 2 - Distribution of Precensus TIGER/Line Files by File Size Version Dates Available Vintage of Governmental Entity Boundaries Feature/Feature Name/Address Range Updates Voting District Codes Prototype Feb-Apr 1989 1980 All Counties (Initial TIGER Data Base Building Operations) No Precensus Oct 1989- Feb 1990 1980 and 1988 528 Counties (Major Urban Areas - Vendor Address List Matching/Resolution) No Initial Voting District Codes Aug-Oct 1990 1980 and 1990 (Initial) 2,512 Counties (Prelist/Precanvass/Initial Local Official) Yes (Initial) 1990 Census Jan-Mar 1991 1980 and 1990 (Final) All Counties (List Enumerate/Final Local Official) Yes (Final) Figure 3 - Planned Versions of the TIGER/Line Files 497

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fullscreen: Proceedings of the Symposium on Global and Environmental Monitoring (Part 1)

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