Remote Sensing Section 2.3. Landsat Satellite The process of gathering data about Earth using satellites, airplanes, or ships is called remote sensing.

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Presentation transcript:

Remote Sensing Section 2.3

Landsat Satellite The process of gathering data about Earth using satellites, airplanes, or ships is called remote sensing Landsat satellites record reflected wavelengths of energy from Earth’s surface; equipped with a moving mirror; images are converted by computer

TOPEX/Poseidon TOPEX/Poseidon uses radar to map the ocean floor; Topography Experiment; also used to estimate ocean depths, study tidal changes, and ocean currents

Sea Beam Also used to map the ocean floor Located on a ship not a satellite Relies on sonar – the use of sound waves to detect and measure underwater objects Used by fishing fleets, offshore drilling companies, etc…

Global Positioning System GPS is a satellite navigation system that allows users to locate their approximate position on Earth 27 satellites cover the entire Earth simultaneously Can also help detect earthquakes, create maps, and track wildlife

Geographic Information System Describe GIS

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