A New Instrument for Comprehensive Study of Infrared Remote Sensing of Physiological Properties of Vegetation Covers

Taiwo Adekolawole, Timothy Oke

Abstract


An instrument to remotely study the physiological properties of vegetation canopy  has been designed and developed. The radiometer is a passive microcontroller-based  optoelectonics system, using series of multi-feedback band pass electronics circuits coupled to a 200 by 24 refracting system. The  output  is taken via an eight-readout 16 by 4 display console:  1. Reflectance RF1(at 430-450nm); 2. RF2 Greenness index(at 510-530nm); 3. RF3( at 730-780nm); 4. RF4 ( at 630-650nm); 5. Fluorescence FL( at 660-680nm); 6. Chlorophyll Luminiscence CLM: 7. Vegetation Moisture VM and 8. Canopy Temperature VT. The radiometer has beeen radiant calibrated. The radiometer  was tested and  used  to  observe  some stress-mediated physiological properties in vegetation canopy.Reults confirmed predictions in the literature.

Keywords: Instrument, Infrared Remote Sensing, Physiological Properties, Vegetation covers


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