Geographical data in the context of Geographic databases


Geographical data in the context of Geographic databases

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⭐ Core Definition: Geographical data

Geographic data and information is defined in the ISO/TC 211 series of standards as data and information having an implicit or explicit association with a location relative to Earth (a geographic location or geographic position). It is also called geospatial data and information, georeferenced data and information, as well as geodata and geoinformation.

Geographic data and information is stored in geographic databases and geographic information systems (GIS).There are many different formats of geodata, including vector files, raster files, web files, and multi-temporal data.

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Geographical data in the context of Global Human Settlement Layer

The Global Human Settlement Layer (GHSL) is a project from the European Commission that creates global geographical data about the evolution of human habitation on Earth. This in the form of population density maps, built-up maps, and settlement maps. This information is produced using new geographic data mining tools and knowledge and analytics based on empirical data.

The GHSL processing framework uses a range of data, including census data, archives of fine-scale global satellite imagery, and voluntarily provided geographic information. Data is processed automatically to produce analytics and knowledge that methodically and objectively describe the existence of people and developed infrastructure. The GHSL maps human presence on Earth, sourcing information from 1975 and up to 2030.

View the full Wikipedia page for Global Human Settlement Layer
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