This layer contains line features representing the major drainage systems of the world.
Purpose
The dataset was developed for use in Geographic Information Systems, for analysis at a global or continental scale. The data has been generalized and is inappropriate for use at a national scale or larger.
Temporal Extent
Currentness Reference
1998
Time Instant
unknown
Bounding Box
West
-134.399002
East
136.084991
North
72.234184
South
-34.199173
ISO Topic Category
inlandWater
Theme Keyword
hydrography
drainage
basins
Theme Keyword Thesaurus
none
Place Keyword
Temporal Keyword
Access Restrictions
Access is limited to Harvard University affiliates only
Use Restrictions
All publication of products that utilize this data must credit ESRI, Inc.
Status
Complete
Maintenance and Update Frequency
None planned
Point of Contact
Contact Organization
Environmental Systems Research Institute
Delivery Point
380 New York Street
City
Redlands
State
CA
Postal Code
92373-8100
Country
USA
Contact Electronic Mail Address
www.esri.com
Credit
copyright 1999 Environmental Systems Research Institute
Native Data Set Environment
Microsoft Windows NT Version 4.0 (Build 1381) Service Pack 5; ESRI ArcCatalog 8.1.0.570
Data Quality Information
Attribute Accuracy Report
Attribute accuracy report not available
Logical Consistency Report
Logical consistency reports not available
Completeness Report
Completeness report not available
Horizontal Positional Accuracy Report
Horizontal accuracy report not available
Lineage
Source
Originator
Environmental Systems Research Institute
Publication Date
1999
Title
ArcWorld 1:3,000,000
Geospatial Data Presentation Form
vector digital data
Source Scale Denominator
3,000,000
Type of Source Media
CD-ROM
Source
Originator
Environmental Systems Research Institute
Publication Date
1999
Title
ArcWorls 1:25,000,000
Geospatial Data Presentation Form
vector digital data
Source Temporal Extent
Source Currentness Reference
publication date
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
9
Spatial Reference Information
Horizontal Coordinate System Definition
Geographic
Latitude Resolution
0.000001
Longitude Resolution
0.000001
Geographic Coordinate Units
Decimal degrees
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
drainage
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
SYSTEM
Name of drainage system
Definition Source
ESRI
BASIN_AREA
Area of drainage basin in square miles
DISCHARGE
Annual discharge volumein cubic miles
Definition Source
ESRI
SED_LOAD
Annual sediment load in tons
Definition Source
ESRI
Distribution Information
Format Name
SHP files
Distributor
Geodesy Team, Harvard University Libraries
Online Access
geodesy.harvard.edu
Name
Metadata Reference Information
Metadata Date
20010618
Metadata Review Date
none
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization
Geodesy Team, Harvard University Library
Contact Address
Address
Harvard University Libraries
City
Cambridge
State or Province
MA
Postal Code
02138
Country
USA
Contact Electronic Mail Address
geodesy.harvard.edu
Metadata Standard Name
FGDC Content Standards for Digital Geospatial Metadata
