Eyes in the sky &Eyes in the sky &Data analysis Data analysis

You seeYou see

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

Platform The surface on which the camera or scanner

for data collection is placed as platform

3 Factors3 Factors 1 Platform2 Energy 3 Sensor

Remote Sensing

3 factors 3 factors 1 platform2 energy 3 sensor

Electromagnetic Spectrum

REMOTE SENSING SYSTEM

Active Remote SensingPassive Remote Sensing

Terrestrial photography

Aerial Remote sensing

OverlapStereo pair

Stereoscope Stereo scopic vision

60%repeat in adjacent photos

Limitations of aerial photographs

Satellite Remote sensing

Is the process of gathering information using the sensors mounted on satellites

Geostationary satellites &Sun synchronous satellites

Indian national satellite

LISS- Linear imaging self scanning system

PAN -Panchromatic camera

Wifs – Wide field sensor

MSS- Multi spectral scanner

METSAT- Meteorological satelliteLANDSAT – Land resources technology

satellite SPOT – (FRENCH) Satellite pour observation

de la TerreMOS – Marine observation satellite ERS – European remote satellite

Spectral signature

The amount of energy reflected by each object is

its spectral signature

Spatial resolution

The size of smallest object on earth that can be recognized by the sensor is the spatial

resolutionSpectral band

Radio metric sensitivity

Satellite imagery

Uses of remote sensing

For weather observations

For ocean explorations

For oil explorations

To locate places with ground water potential

Geographical Information System

UC Vahid

SIHSS Ummathur11degree 43'N75 degree 38'

2 kinds of data

Spatial data Attributes

Layers

Take text book page no; 103make layers and select

Analytical capabilities of GIS

Network analysis Buffer analysis Overlay analysis

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

Satellite based Navigation System

Global Positioning System -GPS-USA

1- latitude 2- longitude 3- elevation 4- time

The Space segment

Consists of at least 24 satellites

(21 active plus 3 operating spares)

1 Orbit 4 satellites

6 x 4 = 24

Indian Regional Navigation Satellites System

IRNSS 1A

Last irnss 1G 2016 APRIL 16IRNSS(NAVIC) 1A,1B,1C,1D,1E,1F,1G.

GLONESSS & GALILEO

RUSSIA EUROPEAN UNION

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

ucvahid@gmail.com