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Green Revolution 2.0 Remote Sensing

Green Revolution 2.0 Remote Sensing. Jamie Jacobsen. Goal: alleviate hunger by increasing agricultural productivity per unit of land Focus on high yielding, fast growing crops Irrigation Farm management. First Green Revolution. Sustainability: deep ground water sources

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Green Revolution 2.0 Remote Sensing

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  1. Green Revolution 2.0Remote Sensing Jamie Jacobsen

  2. Goal: alleviate hunger by increasing agricultural productivity per unit of land • Focus on high yielding, fast growing crops • Irrigation • Farm management First Green Revolution

  3. Sustainability: deep ground water sources • Salinization: increase of salt content in soil • Pollution: water contamination with herbicides and pesticides BUT

  4. Improve crop tolerance to stress • Increase input efficiency • Sustainability • Digital Revolution Green Revolution 2.0

  5. Remote Sensing

  6. Hot air balloons • WWI aerial photography • Cold War • Green Revolution 2.0: Target and monitor agricultural investments and developments Remote Sensing History

  7. Remote Sensing “The process [that] involves the detection and measurement of radiation of different wavelengths reflected or emitted from distant objects or materials, by which they may be identified and categorized by class/type, substance, and spatial distribution” NASA Earth Observatory

  8. Passive vs. Active Sensors Technology: EMR

  9. Visible Infrared Microwave Technology: Spectral Reflectance Signature

  10. Emission of EMR • Energy from sensor to Earth’s surface • EMR interaction with objects • Energy back to remote sensor • Sensor data output 5 Stages of Remote Sensing

  11. So… Why do I care?

  12. Remote Sensing: Green Revolution Applications

  13. Meteorology

  14. Hydrology

  15. Agriculture

  16. Natural Disasters

  17. Oceanography • Glaciology • Geodesy • Military Others

  18. Advantages: • Not necessary to be physically present. • Survey large area at one time. • Consistent, time series data shows change. • Disadvantages: • Subjective interpretation. Main Points

  19. Numerous applications • Ability to monitor change • Continued investment in future Significant!

  20. Sanderson, Dr. Robert. “Introduction to Remote Sensing.” New Mexico State University. Web 14 March 2013. <ftp://ftp.wsl.ch/downloads/babst/Fernerkundung_WS2012/literatur/remote_sensing.pdf>. • Aggarwal, Shelafi. “Principles of Remote Sensing.” Web. 16 March 2013. http://wamis.org/agm/pubs/agm8/Paper-2.pdf • Remote Sensing.” NASA Earth Observatory. Web. 08 April 2013. http://earthobservatory.nasa.gov/Features/RemoteSensing/. • Pingali, Prabhu L. “Green Revolution: Impacts, limits and the path ahead.” Web. 20 March 2013. • http://www.pnas.org/content/109/31/12302. References

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