final presentation
TRANSCRIPT
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GIS And Remote Sensing
23 Asif Raza
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Outline
Definition of Remote Sensing. How Remote Sensing Work Why remote sensing Important ?? Types of remote sensing Remote sensing process components Application of remote sensing.
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Remote sensing system
Remote Means Far away. Remote Sensing mean sensing things from a distance.
The gathering of information from an object or surface without direct contact.
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How Remote Sensing Work !! Remote Sensing capture radiation in
different wavelength reflected/emitted by the earth’s surface features.
RS provide valuable data over vast area in a short time.
Sensor
Object to be sense
dElectro Magnetic Radiation
Three Essential Things for Remote Sensing
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Electromagnetic Spectrum
Remote Sensing used Energy at different wavelengths which are beyond the range of human vision (ultra-violet, infrared, microwave).
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Why remote sensing Important ?
©2007 Austin Troy
Remote sensing plays a important role in GIS. Its images are used as the input data which are later put into shape files to create maps.
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Types of Remote Sensing
1) Active Remote Sensing 2) Passive Remote Sensing
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Active Sensing
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Passive Sensing
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Energy Source or Illumination (A)
Radiation and the Atmosphere (B)
Interaction with the Target (C)
Recording of Energy by the Sensor (D)
Transmission, Reception, and Processing (E)
Interpretation and Analysis (F)
Application (G) Source: Canadian Centre for Remote Sensing
Remote Sensing Process Components
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Applications Of Remote Sensing
There are Many Applications of Remote Sensing Some of Following are listed
in presentation.
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Application of RS: Crop Growth Monitoring
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Application of RS: Forest Monitoring
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Application of RS: Urban Heat Island Monitoring
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Application of RS: Disaster Management
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Application of RS: Water
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Application of RS: Flood Mapping
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Application of RS: Military Use
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“ Thank You Dear Friends & Respected Ma’m “