← Search

Data · dataset · 2024

GRID3 LBR - Settlement Extents v3.0

Listed in Columbia University Academic Commons

The GRID3 LBR - Settlement Extents v3.0 consists of a geographic representation of settlements in Liberia, in two forms: 1) settlement polygons, and 2) spatial points depicting the centroids of settled grid cells at 3-arc seconds (or ~100 meters) contained within settlement polygons.

Description

Both layers include attributes as described in the codebooks. Data inputs and methodology are described in the DataRelease Notes (PDF).

The current version supersedes GRID3 Liberia Settlement Extents, Version 02; the following changes were made: - Development of a new methodology to derive building counts and settlement polygons with open data. - Estimation of a probability value for settlement polygons - Addition of a building-area measure - Replacement of degree of urbanization with classification based on built-up areas, small settlement areas, and hamlets - Elimination of building-count ranges - Elimination of variable comparing to previous versions Keywords: settlements

Links

Where it is published

Catalogue records · 1

Topics

Provenance · 1 source records, 5 field assertions
SourceKeyLast seenRaw
Columbia University Academic Commonsoai:academiccommons.columbia.edu:10.7916/12ar-zg9815 h agoJSON v1
FieldAssertionExtractorEvidence
concepts[field].local:field:earth-environmentalmapping · academiccommons columbia educonnector:academiccommons_columbia_edu@1.0.0
concepts[field].local:field:economics-financemapping · academiccommons columbia educonnector:academiccommons_columbia_edu@1.0.0
descriptionsource · academiccommons columbia educonnector:academiccommons_columbia_edu@1.0.0/metadata/dc/description
publication_datesource · academiccommons columbia educonnector:academiccommons_columbia_edu@1.0.0
titlesource · academiccommons columbia educonnector:academiccommons_columbia_edu@1.0.0/metadata/dc/title