Remote Sensing
Remote Sensing Sun-synchronous orbits LANDSAT SPOT IRS ASTER ERS JERS Geostationary orbits Weather and communications satellites commonly have these types of orbits. METEOSAT GOES Telecom Sat.
Remote Sensing
Remote Sensing
Remote Sensing Landsat • Landsat 1: originally named ERTS-1 (Earth Resources Technology Satellite 1), launched 1972, terminated 1978 • Landsat 2: launched 1975, terminated 1981 • Landsat 3: launched 1978, terminated 1983 • Landsat 4: launched 1982, terminated 1993 • Landsat 5: launched 1984, still functioning but severe problems since November 2011. Will be terminated • Landsat 6: launched 1993, failed to reach orbit • Landsat 7: launched 1999, still functioning, but with faulty scan line corrector • Landsat 8: Landsat Data Continuity Mission (LDCM) launched February 11, 2013. Turned over to USGS and renamed Landsat 8
Remote Sensing Landsat
Remote Sensing Landsat 1 to 5 - TM Spectral Band Wavelength Resolution Band 1 - Blue 0. 45 - 0. 52 µm 30 m Band 2 - Green 0. 52 - 0. 60 µm 30 m Band 3 - Red 0. 63 - 0. 69 µm 30 m Band 4 - Near Infrared 0. 76 - 0. 90 µm 30 m Band 5 - Short Wavelength Infrared 1. 55 - 1. 75 µm 30 m Band 6 - Long Wavelength Infrared 10. 40 – 12. 50 µm 60 m Band 7 - Short Wavelength Infrared 2. 08 – 2. 35 µm 30 m
Remote Sensing Landsat 7 - ETM Spectral Band Wavelength Resolution Band 1 - Blue 0. 45 - 0. 52 µm 30 m Band 2 - Green 0. 52 - 0. 60 µm 30 m Band 3 - Red 0. 63 - 0. 69 µm 30 m Band 4 - Near Infrared 0. 77 - 0. 90 µm 30 m Band 5 - Short Wavelength Infrared 1. 55 - 1. 75 µm 30 m Band 6 - Long Wavelength Infrared 10. 40 – 12. 50 µm 60 m Band 7 - Short Wavelength Infrared 2. 08 – 2. 35 µm 30 m Band 8 - Panchromatic 0. 52 - 0. 90 µm 15 m
Remote Sensing Landsat 8 - OLI & TIRS Spectral Band Wavelength Resolution Band 1 - Coastal / Aerosol 0. 43 - 0. 45 µm 30 m Band 2 - Blue 0. 45 - 0. 51 µm 30 m Band 3 - Green 0. 53 - 0. 59 µm 30 m Band 4 - Red 0. 64 - 0. 67 µm 30 m Band 5 - Near Infrared 0. 85 - 0. 88 µm 30 m Band 6 - Short Wavelength Infrared 1. 57 - 1. 65 µm 30 m Band 7 - Short Wavelength Infrared 2. 11 - 2. 29 µm 30 m Band 8 - Panchromatic 0. 50 - 0. 68 µm 15 m Band 9 - Cirrus 1. 36 - 1. 38 µm 30 m Band 10 - Long Wavelength Infrared 10. 60 - 11. 19 µm 100 m Band 11 - Long Wavelength Infrared 11. 50 - 12. 51 µm 100 m
Remote Sensing
Remote Sensing SPOT • SPOT 1: launched 1986, terminated 1990 • SPOT 2: launched 1990, terminated 2009 • SPOT 3: launched 1993, stopped functioning 1997 • SPOT 4: launched 1998, stopped functioning 2013 • SPOT 5: launched 2002 • SPOT 6: launched 2012
Remote Sensing SPOT
Remote Sensing SPOT Spectral Band SPOT 5 SPOT 6 Panchromatic 5 m 0. 48 - 0. 71 µm 1. 5 m 0. 45 -0. 75 µm Blue 6 m 0. 40 -0. 52 µm Green 10 m 0. 50 - 0. 59 µm 6 m 0. 53 -0. 59 µm Red 10 m 0. 61 - 0. 68 µm 6 m 0. 62 -0. 69 µm Near Infrared 10 m 0. 78 - 0. 89 µm 6 m 0. 76 -0. 89 µm Mid Infrared 20 m 1. 58 - 1. 75 µm Price: ~ 2700 € / scene
Remote Sensing SPOT Spectral Band SPOT 4 & 5 VEGETATION Blue ~1 km 0. 43 - 0. 47 µm Red ~1 km 0. 61 - 0. 68 µm Near Infrared ~1 km 0. 78 - 0. 89 µm Mid Infrared ~1 km 1. 58 - 1. 75 µm You can buy primary products or synthesis product (e. g. S 10) Price is ~35 Euros / million of km 2 S 10 older than three months are now available for free
Remote Sensing ASTER Band VNIR_Band 1 VNIR_Band 2 VNIR_Band 3 N VNIR_Band 3 B SWIR_Band 4 SWIR_Band 5 SWIR_Band 6 SWIR_Band 7 SWIR_Band 8 SWIR_Band 9 TIR_Band 10 TIR_Band 11 TIR_Band 12 TIR_Band 13 TIR_Band 14 Wavelength (µm) 0. 520– 0. 600 0. 630– 0. 690 0. 760– 0. 860 1. 600– 1. 700 2. 145– 2. 185– 2. 225 2. 235– 2. 285 2. 295– 2. 365 2. 360– 2. 430 8. 125– 8. 475– 8. 825 8. 925– 9. 275 10. 250– 10. 950– 11. 650 Resolution (m) 15 15 30 30 30 90 90 90 Nadir Backward Nadir Nadir Nadir Description Green Red Near infrared Short-wave infrared Long-wave infrared
Remote Sensing ASTER Global Digital Elevation Model (GDEM)
Remote Sensing ASTER vs. Landsat ETM
Remote Sensing High Resolution Satellites • Geo. Eye (US) – Ikonos – Orb. View – Geo. Eye • Digital. Globe (US) – Quick. Bird – World. View • Astrium (EU/France) – Pléiades • Black. Bridge (Germany) – Rapid. Eye • Image. Sat (Israel) – EROS A & B • etc.
Remote Sensing Example: Geo. Eye Band Wavelength Resolution Panchromatic 0. 45 - 0. 80 μm 50 cm Blue 0. 45 - 0. 51 μm 2 m Green 0. 51 - 0. 58 μm 2 m Red 0. 65 - 0. 69 μm 2 m Near Infrared 0. 78 - 0. 92 μm 2 m
Remote Sensing • USGS Earth. Explorer – http: //earthexplorer. usgs. gov • USGS Global Visualization Viewer – http: //glovis. usgs. gov • Global Land Cover Facility (GLCF) – http: //glcf. umd. edu • ITC's database of Satellites and Sensors – http: //www. itc. nl/research/products/sensordb/ All. Satellites. aspx
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