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World Landcover, 2010

Identification Information
Citation
Originator
International Steering Committee for Global Mapping (ISCGM)
Publication Date
2010
Title
World Landcover, 2010
Geospatial Data Presentation Form
raster digital data
Publication Information
Publication Place
Tsukuba-shi
Publisher
International Steering Committee for Global Mapping (ISCGM)
Online Linkage
http://www.columbia.edu/acis/eds/gis/images/iscgm_world_2010_landcover.zip
Abstract
World Landcover is a raster theme representing land cover classifications throughout the world at a resolution of 30 arc seconds. This layer is a component of the Global Map a 1:1,000,000 scale framework dataset of the world. It consists of vector and raster layers of transport, administrative boundaries, drainage, elevation, vegetation, land use and land cover data. The data were prepared from information provided by national mapping and other organizations worldwide.
Purpose
The concept of Global Mapping, and the establishment of an international body for Global Mapping, was first proposed by the Ministry of Construction of Japan (MOC) in 1992; and in 1994 the Geographical Survey Institute of Japan (GSI) proposed the first draft Map Specifications. The project currently involves the participation of many interested nations. The main objective of this global project is to bring all nations and concerned organisations together to develop and provide easy and open access to global digital geographic information at a scale of 1:1 million. This would be used to facilitate the implementation of global agreements and conventions for environmental protection, for monitoring of major environmental phenomena and to encourage economic growth within the context of sustainable development. As part of this objective, a Global Map product will be developed to this specification. The Global Map will also contribute to the development of a Global Spatial Data Infrastructure.
Temporal Extent
Currentness Reference
publication date
Time Instant
2009
Bounding Box
West
-180
East
180
North
90
South
-90
Theme Keyword
imageryBaseMapsEarthCover
Theme Keyword Thesaurus
ISO 19115 Topic Categories
Theme Keyword
Landcover
vegetation
Theme Keyword Thesaurus
None
Place Keyword
World
Place Keyword Thesaurus
Library of Congress Subject Headings
Temporal Keyword
2009
Temporal Keyword Thesaurus
None
Access Restrictions
None
Use Restrictions
None
Status
Complete
Maintenance and Update Frequency
Unknown
Point of Contact
Contact Person
Global Map Secretariat
Delivery Point
Geographical Survey Institute, Kitasato 1
City
Tsukuba
State
Ibaraki
Postal Code
05-0811
Country
Japan
Contact Telephone
+81-29-864-6910
Contact Electronic Mail Address
sec@iscgm.org
Native Data Set Environment
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.3500
Data Quality Information
Logical Consistency Report
Logical consistency is a measure of the degree to which data complies with the technical specification. Logical consistency was validated by tests to check that table and file names are set out as in the Data Dictionary. Graphical tests checking such things as intersections, polygon closure, minimum sizes of polygons and length of linear features were also carried out.
Completeness Report
Logical consistency is a measure of the degree to which data complies with the technical specification. Logical consistency was validated by tests to check that table and file names are set out as in the Data Dictionary. Graphical tests checking such things as intersections, polygon closure, minimum sizes of polygons and length of linear features were also carried out.
Horizontal Positional Accuracy Report
For horizontal accuracy, 90% of points will be within 2km of their actual location. In the case of data obtained from satellite images, the maximum error is less than or equal to 0.5km.
Lineage
Spatial Data Organization Information
Direct Spatial Reference Method
Raster
Raster Object Information
Raster Object Type
Pixel
Row Count
21600
Column Count
43200
Vertical Count
1
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
Vertical Coordinate System Definition
Altitude System Definition
Altitude Resolution
1
Altitude Encoding Method
Explicit elevation coordinate included with horizontal coordinates
Entity and Attribute Information
Entity Type
Entity Type Label
SDE_EDITOR.SDE_VAT_75
Attributes
VALUE
Land Cover Classification
1
Broadleaf Evergreen Forest
2
Broadleaf Deciduous Forest
3
Needleleaf Evergreen Forest
4
Needleleaf Deciduous Forest
5
Mixed Forest
6
Tree Open
7
Shrub
8
Herbaceous, single layer
9
Herbaceous with Sparse Tree / Shrub
10
Sparse Vegetation
11
Cropland
12
Paddy field
13
Cropland / Natural Vegetation Mosaic
14
Mangrove
15
Wetland
16
Bare area, consolidated (gravel, rock)
17
Bare area, unconsolidated (sand)
18
Urban
19
Snow / Ice
20
Water Bodies
255
NoData
Distribution Information
Format Name
SDR
Distributor
International Steering Committee for Global Mapping (ISCGM)
Name
Metadata Reference Information
Metadata Date
20100311
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
Contact Voice Telephone
(212)854-6012
Contact Electronic Mail Address
data@library.columbia.edu
Metadata Standard Name
FGDC Content Standards for Digital Geospatial Metadata
Metadata Standard Version
FGDC-STD-001-1998
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