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-getting a sense of something remotely
-acquiring of information about an object without physical contact
-observing things from a distance
-Learning without touching |
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| eyes, medical scans, xrays, CT scancs, sonar measurements of the seafloor, radar used fr speeding tickets. |
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| cointed the term remote sensing. Its both a tool and science |
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| RS involves the interaction between incoming _ and _ of of interest. |
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| limited interaction of energy from the electromagnetic spectrum(blue light through thermal infrared energy, __) with Earth's |
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| .4 - 15 micrometers; land surfaces |
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| energy comes from source other than sensor(most often the sun) |
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| Advantages of remote sensing |
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1. unique measurements
2. synoptic perspective(see patterns not visible from ground)
3.extra visual information
4. historical and permanent record
5. regular data acquisition over vast areas
6. access to remote places
7. cost effective |
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1. land and geological mapping, inventory and assessment of natural resources
2. weather, forecasting and monitoring
3. crop forcasting and monitoring |
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| aircraft, spacecraft, and ships |
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| covers large and/or remote areas |
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| detect patterns not visible to humans |
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| group of technologies and disciplines that collect, store, and analyze geospatial information |
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