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Space-Borne Sun-Induced Fluorescence:An Advanced Probe to Monitor Seasonality of Dry and Moist Tropical Forest Sites


Affiliations
1 Indian Institute of Remote Sensing, Dehradun 248 001, India
 

Space-borne sun-induced fluorescence (SIF) is the latest breakthrough in remote sensing of physiological response of plants. We studied the seasonality of sal (Shorea robusta) forest canopies analysing space-borne SIF and reflectance data collected over moist and dry sites in central India. Results indicate that the monthly response of OCO-2 SIF, MODIS NDVI and GPP differs significantly across the wet and dry forest sites. SIF explained higher seasonal variations and was also better correlated to rainfall across sites compared to NDVI.

Keywords

Fluorescence, Remote Sensing, Seasonal Variations, Tropical Forests, Vegetation Index.
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  • Space-Borne Sun-Induced Fluorescence:An Advanced Probe to Monitor Seasonality of Dry and Moist Tropical Forest Sites

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Authors

Sanjiv K. Sinha
Indian Institute of Remote Sensing, Dehradun 248 001, India
Hitendra Padalia
Indian Institute of Remote Sensing, Dehradun 248 001, India
A. Senthil Kumar
Indian Institute of Remote Sensing, Dehradun 248 001, India

Abstract


Space-borne sun-induced fluorescence (SIF) is the latest breakthrough in remote sensing of physiological response of plants. We studied the seasonality of sal (Shorea robusta) forest canopies analysing space-borne SIF and reflectance data collected over moist and dry sites in central India. Results indicate that the monthly response of OCO-2 SIF, MODIS NDVI and GPP differs significantly across the wet and dry forest sites. SIF explained higher seasonal variations and was also better correlated to rainfall across sites compared to NDVI.

Keywords


Fluorescence, Remote Sensing, Seasonal Variations, Tropical Forests, Vegetation Index.

References





DOI: https://doi.org/10.18520/cs%2Fv113%2Fi11%2F2180-2183