1. 1 Atmospheric Radiation – Lecture 17 PHY2505 - Lecture 17 Satellite instruments and missions

2. 2 Atmospheric Radiation – Lecture 17 Overview Satellite instruments –Design Process –Design elements –Trade-offs Satellite missions

3. 3 Atmospheric Radiation – Lecture 17 Instrument design process Concept –Science definition –Instrument requirements Launch opportunity ? Phase A/B –Detailed design –Engineering model prototyping Phase C/D –Build –Space qualification tests –Calibration –Spacecraft integration/Launch Validation Science results

4. 4 Atmospheric Radiation – Lecture 17 Instrument concept Science definition (“science-led”) –FUNDING Science programs Public and industrial benefit –FEASIBILITY Expertise (people) Space qualified technology Feasibility of design

5. 5 Atmospheric Radiation – Lecture 17 Science programs: CSA Mandate The legislated mandate of the CSA, from the Canadian Space Agency Act, SC. 1990, c. 13, is: "To promote the peaceful use and development of space, to advance the knowledge of space through science and to ensure that space science and technology provide social and economic benefits for Canadians". Earth and Environment –RADARSAT-1 /2 –Atmospheric Environment –Space Environment Space Science –Space Exploration –Microgravity Sciences –Space Life Sciences –Space Astronomy

6. 6 Atmospheric Radiation – Lecture 17 Science programs: CSA Atmospheric Environment Studying Earth's atmospheric patterns and the effects of human-driven changes on the environment : SCISAT-1 (Atmospheric Chemistry Experiment) CloudSat Measurements of Pollution in the Troposphere (MOPITT) MANTRA Optical Spectrograph and Infra-Red Imaging System (OSIRIS) ACTIVE Wind Imaging Interferometer (WINDII)

7. 7 Atmospheric Radiation – Lecture 17 Science programs: CSA Space Exploration Increasing our understanding of our solar system in relation to the origin of life and the evolution of our environment. Solid Planetology Small Bodies Life Support Systems Mars Planetary Atmospheres Exo/ Astrobiology Terrestrial Analogues

8. 8 Atmospheric Radiation – Lecture 17 Science programs: NOAA NOAA MISSION GOAL#1 Protect, restore and manage use of coastal and ocean resources through ecosystem management approaches –Invasive Species Initiative NOAA MISSION GOAL#2 Understand climate variability and change to enhance society’s ability to plan and respond –Climate Change Science Program Office –Carbon Cycle Atmospheric Measurements –Global Ocean Observing System –Supercomputing –Reducing Uncertainties in Climate Change Scenarios NOAA MISSION GOAL#3 Serve society’s needs for weather and water information –Improve Weather Forecast Accuracy through THORPEX –High Impact Weather

9. 9 Atmospheric Radiation – Lecture 17 Science programs: ESA

10. 10 Atmospheric Radiation – Lecture 17 Instrument design Signal at the instrument, S Constant for a given science investigation & instrument type

11. 11 Atmospheric Radiation – Lecture 17 Instrument design Optical elements (A) –Telescopes Diffraction limit Constant etendue Spectral filters (v) Grating spectrometers – limits to resolution FTS – limits to resolution\ Detectors (NEP) Sources of noise Orbit (t)

12. 12 Atmospheric Radiation – Lecture 17 Instrument design trade-off S/N 1/  1/  v

13. 13 Atmospheric Radiation – Lecture 17 Instrument requirements: MICA Table 1: The MICA camera specifications

14. 14 Atmospheric Radiation – Lecture 17 Instrument requirements: MARGO Table 1: The MICA camera specifications

15. 15 Atmospheric Radiation – Lecture 17 NASA Satellite missions

16. 16 Atmospheric Radiation – Lecture 17 NASA Terra 1999+ http://www.atmosp.physics.utoronto.ca/MOPITT/home.html

17. 17 Atmospheric Radiation – Lecture 17 MOPITT

18. 18 Atmospheric Radiation – Lecture 17 Future NASA Satellite missions 2004+

19. 19 Atmospheric Radiation – Lecture 17 NASA Satellite missions

20. 20 Atmospheric Radiation – Lecture 17 ESA Satellite missions

21. 21 Atmospheric Radiation – Lecture 17 ESA Satellite missions Meteosat ERS-1 and 2 ENVISAT One year in orbit (movie)

22. 22 Atmospheric Radiation – Lecture 17 Envisat results http://www.esa.int/envisat/ Look at multimedia menu item

23. 23 Atmospheric Radiation – Lecture 17 Future ESA Satellite missions

24. 24 Atmospheric Radiation – Lecture 17 Future ESA Satellite missions

25. 25 Atmospheric Radiation – Lecture 17 Future ESA Satellite missions

26. 26 Atmospheric Radiation – Lecture 17 Future ESA Satellite missions 2008?