Chongqing State Roads, 2000 is a polyline theme representing Chongqing state roads for 2000. This data layer is part of the China 2000 Township Census data set produced by the All China Marketing Research Co. and distributed by the University of Michigan, China Data Center.
Purpose
The data set was developed for display and analysis using GIS.
Temporal Extent
Currentness Reference
ground condition
Time Instant
2000
Bounding Box
West
105.682311
East
109.269808
North
30.839828
South
28.313198
Theme Keyword
transportation
Theme Keyword Thesaurus
ISO 19115 Topic Categories..
Theme Keyword
Cities and towns --China --Population --Statistics --Databases.
Cities and towns --China --Population --Statistics --Maps.
Cities and towns --Census, 2000 --China --Databases.
Cities and towns --Census, 2000 --China --Maps.
China --Population --Statistics --Databases.
China --Population --Statistics --Maps.
China --Census, 2000 --Databases.
China --Census, 2000 --Maps.
Theme Keyword Thesaurus
Library of Congress Subject Headings
Theme Keyword
Census
Roads
Streets
Theme Keyword Thesaurus
None
Place Keyword
China
Chongqing (China)
Place Keyword Thesaurus
Library of Congress Subject Headings
Temporal Keyword
2000
Temporal Keyword Thesaurus
None
Access Restrictions
For current Columbia affiliates only.
Use Restrictions
For educational, non-commercial use only.
Status
Complete
Maintenance and Update Frequency
Unknown
Point of Contact
Contact Organization
China Data Center - University of Michigan
Delivery Point
1007 E Huron St
City
Ann Arbor
State
MI
Postal Code
48104
Contact Telephone
(734) 647-9610
Contact Facsimile Telephone
(734) 763-0335
Contact Electronic Mail Address
chinadata@umich.edu
Native Data Set Environment
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.1850
Data Quality Information
Horizontal Positional Accuracy Report
The 2000 China township maps are developed for matching 2000 China population Census data, which should only be used as references for research or education instead of used as official maps. The distributor is not responsible for the accuracy of the those maps if the maps are used for business or other purposes.
Lineage
Spatial Data Organization Information
Direct Spatial Reference Method
Vector
Point and Vector Object Information
SDTS Terms Description
SDTS Point and Vector Object Type
String
Point and Vector Object Count
48
Spatial Reference Information
Horizontal Coordinate System Definition
Geodetic Model
Horizontal Datum Name
D_WGS_1984
Ellipsoid Name
WGS_1984
Semi-major Axis
6378137.000000
Denominator of Flattening Ratio
298.257224
Entity and Attribute Information
Entity Type
Entity Type Label
gd
Entity Type Definition
Road
Attributes
FID
Internal feature number. (Sequential unique whole numbers that are automatically generated.)
Definition Source
ESRI
Shape
Feature geometry. (Coordinates defining the features.)
Definition Source
ESRI
FNODE_
From node.
TNODE_
To node.
LPOLY_
Left polygon.
RPOLY_
Right polygon
LENGTH
Length of national road
RDNAME
Code of national road
Distribution Information
Format Name
Geopackage
Distributor
China Data Center - University of Michigan
Name
Metadata Reference Information
Metadata Date
20090211
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Research Data Services (RDS), Columbia University Libraries
Contact Person
GIS/Metadata Librarian
Contact Address
Address
420 W. 118th St., 215 IAB, MC 3301
City
New York
State or Province
NY
Postal Code
10027
Country
USA
Contact Voice Telephone
(212)854-6012
Contact Electronic Mail Address
data@library.columbia.edu
Metadata Standard Name
FGDC Content Standards for Digital Geospatial Metadata
