A land-parcel identification system (LPIS) is a system to identify land use for a given country. It utilises orthophotos – basically aerial photographs and high precision satellite images that are digitally rendered to extract as much meaningful spatial information as possible. A unique number is given to each land parcel to provide a unique identification in space and time. This information is then updated regularly to monitor the evolution of the land cover and the management of the crops.
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Land-parcel identification system Wikipedia(Text) CC BY-SA