Modeling Remote Sensing

1. Modeling Remote Sensing Pete ArvedsonSatellites & Education ConferenceCalifornia State University, Los AngelesAugust 11, 2006 Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

2. What is this session all about? In a word… Reflectivity Studied using… Remote Sensing Image Processing Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

3. Electro-Magnetic Radiation American Chemical Society. Chemistry in the Community, 4th edition, Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

4. Electro-Magnetic Spectrum American Chemical Society. Chemistry in the Community, 4th edition, Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

5. Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

6. Remote Sensing • EMR (“light”) from sun reflected by Earth’s… • Water • Land • Vegetation • Cultural features • Clouds • Particulates Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

7. Remote Sensing • Reflected EMR detected by satellite-based electronic sensors Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

8. Remote Sensing • “Sensed” EMR converted to radio signal • Radio signal transmitted from satellite platform • Transmitted signal received by Earth station Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

9. Image Processing • Radio signal received, ingested by computer hardware • Ingested signal converted to image • Image manipulated to enhance specific features Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

10. Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

11. Atmospheric Filter Which wavelengths of reflected light should be measured? American Chemical Society. Chemistry in the Community, 4th edition, Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

12. Reflectivity Varies with Object Which wavelengths do surface features reflect? The GLOBE Program. MultiSpec Tutorial, 1995 Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

13. Filters allow separate measurement of each waveband Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

14. Suggested Lesson Sequence • Physics of light • Wavelength, Frequency, Velocity • Color Theory • Wavelength & color • Primary color addition/subtraction • Basic electronics • Component ID & function • Soldering • Ohm’s Law - series & parallel circuits Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

15. Lesson Sequence (cont’d) • Sensor construction • Sensor testing • Remote sensing experiment varying… • Color & texture of reflective surface • Filter (color of light received by sensor) • Calculations & Graphing Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

16. Lesson Sequence (cont’d) • MultiSpec & imaging multispectral Landsat data • Graphing reflectivity • Comparison of MultiSpec reflectance graph with model sensor reflectance graph • Final research report Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

17. Completed Model Sensor ElectrolyticCapacitor Photoresistor(in opaque tube) Resistor Antenna Coil npn Switching Transistor Breadboard Dry Cell Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

18. Vernier LoggerPro Screen Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

19. Sample Data Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

20. Sample Relative Reflectance Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

21. Sample Reflectivity Graph Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

22. MultiSpec Image • Landsat 5 data • Red-Green-Blue • 15km x 15km on ground • Centered on La Puente HS, CA • 30m pixel resolution Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

23. Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

24. Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

25. Selection Area Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

26. Reflectance of Selected Area Measured with MultiSpec Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

27. Compare Reflectance Graphs Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California

28. K - 1a 1 - 3c 2 – 2e, 3ac 3 – 1ad, 2abcd 4 – 1ag, 3a, 5c 5 – 2f, 3c, 4bd 6 – 3ad, 4ab, 5a 7 – 6abefg 8 – 4d 9-10-11-12 – Physics Chemistry Biology Earth Science California Science Content Standards that Can Be Addressed by this Project Circuit and materials developed by Duane Laursen and Pete Arvedson, La Puente High School Academy of Science & Engineering, La Puente, California