Monitoring the environment from space: how do we do it, and why should you care?

The slides of a talk given at the Winchester Cafe Scientifique on the 6th April 2015, aimed at a general intelligent public audience covering the basics of quantitative scientific application of satellite images.

Transcript

1. Monitoring the environment from space: how do we do it, and why should you care? Dr Robin Wilson, University of Southampton
3. In Out
4. Blue Green Red
5. 19 56 86 92 125 135 56 28 69
10. Landsat – 30m
11. Landsat – 30m
12. IKONOS – 4m
13. IKONOS – 4m
14. MODIS – 1km
21. CORINE Land Cover
22. CORINE Land Cover CORINE Land Cover
24. Blue
25. Green
26. Red
27. Near Infra-red
29. Landsat True Colour Composite
30. Landsat False Colour Composite
32. In Out
35. = − +
36. Landsat NDVI
37. Landsat NDVI
38. 0.5m True Colour
39. 0.5m False Colour
40. 0.5m NDVI
42. MERIS – 300m vegetation
45. Beijing - Jan 2013
46. Over 3 million people die prematurely each year from particulate matter air pollution
47. In Out Rayleigh Scattering
48. In Out Mie Scattering
50. HOTBAR MODIS HOTBAR Over 100,000 times the detail
52. Haze Optimized Transform (HOT) Blue Red Haze = Aerosols Zhang et al. (2002)
61. 500 deaths
67. ASTER Global DEM – 30m
68. AMSR Sea Surface Temperature
69. ENVISAT Radar displacement
70. Disasters Charter www.disasterscharter.org
72. Thank you Any questions?