T7-Sensors_2010_all_v3_6slides

T7-Sensors_2010_all_v3_6slides - Readings Geography 333...

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1 Geography 333 Remote Sensing I Topic 7: Satellite Sensor Systems 2 Readings Topic 7: Chapter 2 (Sensors) The Internet: mission home pages for Landsat, SPOT, EOS, Google Earth, etc. Topic 8: Chapter 8 (Image Enhancements) Topic 9: Chapter 8 (Vegetation Transformations pg 301-322) 3 Topics (Part I) A Brief History and Origin Why observe the Earth? Image/photo Interpretive Elements Multispectral imaging systems Orbital characteristics Worldwide Reference System 4 Remote sensing is generally dated back to 1867,when G.F.Tournachon (pseudonym Nadar) photographed the village of Petit Becetre, near Paris, from a balloon. Paris- 1867 Source: www.cnes.fr History and Origin 5 Great Leap in World War I from crude aerial reconnaissance methods like kites, and pigeons. Invention of airplane: A much more stable and reliable platform. Source: www.cnes.fr World War I (1914-18) 6 Military Base- France Trenches- Western Front Military applications during World War - I Source: www.cnes.fr
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2 7 Source: Connecticut State Archives Aerial Survey of Connecticut 1934 Civilian Applications First civilian application of remote sensing after World War-I. Preparation of a Regional Map of Connecticut from a photo mosaic. 8 World War II (1939-1945): Introduction of infrared detection and radar systems V-2 Rocket test lunch site at Peenemunde, Germany (1943) After Source: www.cnes.fr 9 USSR: R-7 Intercontinental Ballistic Missile (1953) US: Redstone Ballistic missile (1953) USSR: First Space Craft Sputnik 1 (1957) USSR: First organism into space Sputnik 2 (1957) - dog named Laika US: First man-made satellite- Explorer 6 (1959) and TIROS 1- Meteorological satellite, designed to track weather clouds (1960) USSR: Vostok 1- First man in space ‘Yuri Gagarin’ (1961) US: Apollo 11, First man to land on the moon “Eagle has landed”- Neil Armstrong (1969) Space Race 10 Why Observe the Earth? Resource management Agriculture, forestry, fisheries, rangeland, energy Environmental monitoring Weather forecasting, disaster control Understanding earth system processes Hydrologic, physical climate, and biogeochemical cycles Climate change 11 What elements of image interpretation are used to observe and define scene characteristics? Size Shape Shadow Pattern Site, Situation and Association (i.e., context ) Tsunami 2004 (Tamil Nadu, India) 12 Elements of Image Interpretation - Size
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3 13 Shape 14 Shadow 15 Tone and Color 16 Tone & Colour 17 Texture 18 Pattern
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4 19 Height and Depth 20 Site, Situation and Association 21 Multispectral Image Systems Orbital Characteristics Worldwide Reference System 22 Real-time Satellites in Google Earth There are 1000s of sensors monitoring out planet (1:14 mins) http://www.youtube.com/watch?v=ydbbd- Source: detector-pro.com 23 Orbital Characteristics Orbit : describes the path of a satellite through space Altitude : Height of the satellite Orbital period : Time required to complete one trip around Inclination : Angle of orbit,
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This note was uploaded on 01/18/2011 for the course GEOG 331 taught by Professor Staff during the Fall '08 term at Kansas.

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T7-Sensors_2010_all_v3_6slides - Readings Geography 333...

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