Earth Observation refers to the use of sensors onboard artificial satellites to measure properties of the Earth. It is essentially Remote Sensing of the Earth. For other uses, please see Satellite (disambiguation) A satellite is an object that orbits another object (known as its primary). ... Synthetic aperture radar image of Death Valley colored using polarimetry In the broadest sense, remote sensing is the measurement or acquisition of information of an object or phenomenon, by a recording device that is not in physical or intimate contact with the object. ...
The First EarthObservation Summit was convened in Washington, D.C., in July 2003, and adopted a Declaration establishing the ad hoc intergovernmental Group on EarthObservations (ad hoc GEO) to draft a 10-Year Implementation Plan.
The Second EarthObservation Summit in Tokyo, Japan, in April 2004 adopted a Framework Document defining the scope and intent of a Global EarthObservation System of Systems (GEOSS).
The Third EarthObservation Summit, held in Brussels in February 2005, endorsed the GEOSS 10-Year Implementation Plan and established the intergovernmental Group on EarthObservations (GEO) to carry it out.
EarthObservation (EO) technologies provide powerful tools for monitoring the state of the planet and the global impact of human activities.
EO comprises in situ observation, that is direct observation carried out in close proximity to the object or phenomenon of interest, and remote sensing, or observation from a distance.
Up-to-date weather and pollution reports are examples of high-quality Earth Observation-based services of direct interest to the average citizen, but EO data is used in a wide variety of other fields, impacting on both economies and ecosystems and playing a key role in improving the quality of life of people on every continent.
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