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Chad - Subnational Edge-matched Administrative Boundaries

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  • This dataset updates: Every year

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Source OCHA Chad
Contributor OCHA Field Information Services Section (FISS)
Date of Dataset June 17, 2022-June 30, 2022
Updated 17 June 2022
Expected Update Frequency Every year
Location
Visibility
Public
License Creative Commons Attribution for Intergovernmental Organisations
Methodology

Derived from the Chad - Subnational Administrative Boundaries and adjusted by ITOS to fit the UN Geocartographics 1:1m international boundary set.
Caveats / Comments

The edge-matched layers are subject to the following potential limitations:

Where countries border each other, one or even both boundaries may be less accurate than the original, definitive boundaries. The UN Geospatial Hub boundary is generally of lower quality than the definitive COD-AB layers.

Peripheral polygon feature shapes and the relationship of their areas to those of their internal neighbouring features may be distorted, while internal features are untouched.

Peripheral polygon features may artificially appear to touch different, incorrect features belonging the same country.
Tags
common operational dataset - cod
File Format