surveying lecture 1
TRANSCRIPT
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CE-201 : Principles of Remote
Sensing
Subashisa Dutta
Department of Civil Engineering
IIT Guwahati 1
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• Links (on the course webpage)...
– CEOS Remote Sensing notes
– CEOS disaster page
– NASA Remote Sensing Tutorial - Remote
Sensing and Image Interpretation Analysis
– ASPRS remote sensing core curriculum
– Manchester Information Datasets and
Associated Services (MIDAS)
– Remote Sensing Glossary (CCRS)
(comprehensive links)
Reading and browsing
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Reading and browsingCampbell, J. B. (1996) Introduction to Remote Sensing (2nd Ed), London:Taylor and
Francis.
R. Harris, 1987. "Satellite Remote Sensing, An Introduction", Routledge & Kegan Paul.
Jensen, J. R. (2000) Remote Sensing of the Environment: An Earth Resource
Perspective, 2000, Prentice Hall, New Jersey. (Excellent on RS but no image
processing).
Jensen, J. R. (2005, 3rd ed.) Introductory Digital Image Processing, Prentice Hall, New
Jersey. (Companion to above) BUT mostly available online at
http://www.cla.sc.edu/geog/rslab/751/index.html
Lillesand, T. M., Kiefer, R. W. and Chipman, J. W. (2004, 5th ed.) Remote Sensing and
Image Interpretation, John Wiley, New York..
W.G. Rees, 1996. "Physical Principles of Remote Sensing", Cambridge Univ. Press
George Joseph, Fundamentals of Remote Sensing, Universities Press,
India
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• Web
• Tutorials
• http://rst.gsfc.nasa.gov/
• http://earth.esa.int/applications/data_util/SARDOCS/spaceborne/Radar_Courses/
• http://www.crisp.nus.edu.sg/~research/tutorial/image.htm
• http://www.ccrs.nrcan.gc.ca/resource/tutor/fundam/index_e.php
• http://octopus.gma.org/surfing/satellites/index.html
• Other resources
• NASA www.nasa.gov
• NASAs Visible Earth (source of data): http://visibleearth.nasa.gov/
• European Space Agency earth.esa.int
• NOAA www.noaa.gov
• Remote sensing and Photogrammetry Society UK www.rspsoc.org
• IKONOS: http://www.spaceimaging.com/
• NRSA: www.nrsa.gov.in
• QuickBird: http://www.digitalglobe.com/
Reading and browsing
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Major Space Programs
• Geostationary (Met satellites)
– Meteosat (Europe)
– GOES (US)
– GMS (Japan)
– INSAT (India)
• Polar Orbiting
– SPOT (France)
– NOAA (US)
– ERS-1 & 2, Envisat (Europe)
– ADEOS, JERS (Japan)
– Radarsat (Canada)
– EOS/NPOESS, Landat, NOAA (US)A
– IRS (India)
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INDIAN IMAGING CAPABILITY
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Changes in Idukki district (Kerala)
Landsat 4 MSS (29th Jan 1983) IRS-1D LISS III (28th Feb 2002)
IDUKKI RESERVOIR
IDUKKI RESERVOIR
5 0 5 Km
(1: 250, 000)
SCALE
(Approx)
N
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Example Applications
• visible / NIR / MIR - day only, no cloud cover
– vegetation amount/dynamics
– geological mapping (structure, mineral /
petroleum exploration)
– urban and land use (agric., forestry etc.)
– Ocean temperature, phytoplankton blooms
– meteorology (clouds, atmospheric scattering)
– Ice sheet dynamics
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Remote Sensing Examples
•Global maps of vegetation from MODIS instrument
•modis.gasfc.nasa.gov
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Remote Sensing Examples
•Global maps of sea surface temperature and land
surface reflectance from MODIS instrument
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• Thermal infrared - day / night, rate of heating / cooling
– heat loss (urban)
– thermal plumes (pollution)
– mapping temperature
– geology
– forest fires
– meteorology (cloud temp, height)
Example Applications
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• Active microwave - little affected by atmospheric
conditions, day / night
– surface roughness (erosion)
– water content (hydrology) - top few cms
– vegetation - structure (leaf, branch, trunk properties)
– Digital Elevation Models, deformation, volcanoes,
earthquakes etc. (SAR interferometry)
Example Applications
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Example ApplicationsFly-through of Mt
Hokaido
generated from
SRTM (Shuttle
RADAR
Topographic
Mapping data)
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NASA MISR (Multi-angle Imaging Spectro-Radiometer)
Hawaiian Islands
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IKONOS: Bora Bora
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Digital Globe World View 1 - 2007
• High-capacity, panchromatic imaging
system
• 1/2-meter panchromatic resolution
• Average revisit time of 1.7 days
• Capable of collecting up to 750,000
square kilometers (290,000 square miles)
per day of half-meter imagery
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22© Digital globe 12/1/10 0.5m resolution
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23© Digital globe 12/1/10 0.5m resolution
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24© Digital globe 12/1/10 0.5m resolution
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• Active form of remote sensing
• Sends a beam of light (usually via laser)
– Tremendous control over which wavelength and
size of band to send
– And width is between 0.600 - 0.800 µm
– Much higher resolution than microwave radar (can
measure moisture and particles' in the
atmosphere)
• Finer resolution
– Large amounts of data
– Smaller coverage area
LIDAR - LIght Detection And Ranging
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LIDAR Applications
• Highly detailed elevation capture
• Atmospheric pollution measurement
– biological and chemical agents
• Construction imaging and mapping
• Vehicle speed measurement
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3-D Radar images
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