Lecture25

Lecture25 - Remote sensing Geography 12: Maps and Spatial...

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Geography 12: Maps and Spatial Reasoning Lecture 24: Remote Sensing and Mapping Professor Keith Clarke Remote sensing • Charles Elachi in Introduction to the Physics and Techniques of Remote Sensing •" Remote Sensing is defined as the acquisition of information about an object without being in physical contact with it." Remote sensing •Ac t ive –L iDAR –RADAR • Passive – Optical – Air photos
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KH-5 Argon Santa Barbara Channel Santa Rosa Island in 1967 Civil Remote Sensing in the US • ERTS-1 August 1972 • Return beam vidicon • Multispectral Scanner • Renamed Landsat 1 when series began • DMSP, GOES etc. at about the same time • Commercial entities after early 1980s • Massive expansion in late 1990s Landsat basics
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Swaths and repeat Landsat 7 ETM+ Landsat bands
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Why these bands? Band combinations Landsat 7 Thermal IR
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Band histograms 100 meter resolution 30 meter resolution 5 meter resolution
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Multiresolution merge Color image bands
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This note was uploaded on 12/27/2011 for the course GEOG 12 taught by Professor Gautier during the Fall '08 term at UCSB.

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Lecture25 - Remote sensing Geography 12: Maps and Spatial...

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