Description
Remote sensing is the process of detecting and monitoring the physical characteristics of an area by measuring its reflected and emitted radiation at a distance (typically from satellite or aircraft). Special cameras collect remotely sensed images, which help researchers “sense” things about the Earth. Some examples are:
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Cameras on satellites and airplanes take images of large areas on the Earth’s surface, allowing us to see much more than we can see when standing on the ground.
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Sonar systems on ships can be used to create images of the ocean floor without needing to travel to the bottom of the ocean.
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Cameras on satellites can be used to make images of temperature changes in the oceans.
Some specific uses of remotely sensed images of the Earth include:
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Large forest fires can be mapped from space, allowing rangers to see a much larger area than from the ground.
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Tracking clouds to help predict the weather or watching erupting volcanoes, and help watching for dust storms.
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Tracking the growth of a city and changes in farmland or forests over several years or decades.
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Discovery and mapping of the rugged topography of the ocean floor (e.g., huge mountain ranges, deep canyons, and the “magnetic striping” on the ocean floor).
Section-1: Introduction
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Course Introduction
Section-2: Remote Sensing Background
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Remote Sensing
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Principle of Remote Sensing
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Important concepts for Principle of Remote Sensing
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History of Remote sensing
Section-3: Types of Remote Sensing
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Sensor based types of Remote Sensing
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Resolution based types and characteristics of Remote Sensing
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Purpose based types of Remote Sensing
Section-4: Applications of Remote Sensing data
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Multispectral Satellite data
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Microwave (Radar) Satellite da ta
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Hyperspectral Satellite data
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Applications in Land Cover
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Applications in Agriculture
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Applications in Forestry
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Applications in Geology
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Applications in Hydrology
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Applications in Sea-ice
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Applications in Oceans and Coastal
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