eyes in the sky and data analysis
TRANSCRIPT
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Eyes in the sky &Eyes in the sky &Data analysis Data analysis
You seeYou see
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Remote sensing is the method of collecting information about an object,place or
phenomenon with the aid of satellite without actual physical contact
Remote sensing Remote sensing
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Platform The surface on which the camera or scanner
for data collection is placed as platform
3 Factors3 Factors 1 Platform2 Energy 3 Sensor
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Remote Sensing
3 factors 3 factors 1 platform2 energy 3 sensor
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Electromagnetic Spectrum
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REMOTE SENSING SYSTEM
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Active Remote SensingPassive Remote Sensing
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Terrestrial photography
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Aerial Remote sensing
OverlapStereo pair
Stereoscope Stereo scopic vision
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60%repeat in adjacent photos
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Limitations of aerial photographs
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Satellite Remote sensing
Is the process of gathering information using the sensors mounted on satellites
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Geostationary satellites &Sun synchronous satellites
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Indian national satellite
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LISS- Linear imaging self scanning system
PAN -Panchromatic camera
Wifs – Wide field sensor
MSS- Multi spectral scanner
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METSAT- Meteorological satelliteLANDSAT – Land resources technology
satellite SPOT – (FRENCH) Satellite pour observation
de la TerreMOS – Marine observation satellite ERS – European remote satellite
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Spectral signature
The amount of energy reflected by each object is
its spectral signature
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Spatial resolution
The size of smallest object on earth that can be recognized by the sensor is the spatial
resolutionSpectral band
Radio metric sensitivity
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Satellite imagery
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Uses of remote sensing
For weather observations
For ocean explorations
For oil explorations
To locate places with ground water potential
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Geographical Information System
UC Vahid
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SIHSS Ummathur11degree 43'N75 degree 38'
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2 kinds of data
Spatial data Attributes
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Layers
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Take text book page no; 103make layers and select
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Analytical capabilities of GIS
Network analysis Buffer analysis Overlay analysis
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Uses of GISWE CAN
COMPILE DATA FROM DIFFERENT SOURCES
Update and incorporate data easily
Conduct thematic studies
Represent geographical features spatially
Prepare maps,tables,and graphs
Generate visual models of future phenomena &process based on the data collected
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Satellite based Navigation System
Global Positioning System -GPS-USA
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1- latitude 2- longitude 3- elevation 4- time
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The Space segment
Consists of at least 24 satellites
(21 active plus 3 operating spares)
1 Orbit 4 satellites
6 x 4 = 24
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Indian Regional Navigation Satellites System
IRNSS 1A
Last irnss 1G 2016 APRIL 16IRNSS(NAVIC) 1A,1B,1C,1D,1E,1F,1G.
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GLONESSS & GALILEO
RUSSIA EUROPEAN UNION
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Compares different methods of remote sensing
Classifies remote sensing on the basis of platform
Explains the importance of overlap in aerial photographs
List the merits and demerits of aerial remote sensing
Compares the geostationary and sun synchronous satellites
List the sectors where the RST is used
Explains GIS analysis
List the use of Gis
EXPLAIN VARIOUS satellite navigation system
The Learner
U C VAHID 9447820303