Earth observation (EO) is the gathering of information about the physical, chemical, and biological systems of the planet Earth.[1] It can be performed via remote-sensing technologies (Earth observation satellites) or through direct-contact sensors in ground-based or airborne platforms (such as weather stations and weather balloons, for example).[2][3]
According to the Group on Earth Observations (GEO), the concept encompasses both "space-based or remotely-sensed data, as well as ground-based or in situ data".[4] Earth observation is used to monitor and assess the status of and changes in natural and built environments.[1]
- ^ a b "Earth observation". joint-research-centre.ec.europa.eu. Retrieved 2022-09-23.
- ^ "Aims and Scope". International Journal of Applied Earth Observation and Geoinformation. Elsevier. Retrieved 2012-07-20.
- ^ "Newcomers Earth Observation Guide | ESA Business Applications". business.esa.int. Retrieved 2022-09-23.
- ^ "GEO at a Glance". Retrieved 2020-08-25.
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