Leaf area index retrieval using Hyperion EO-1 data-based vegetation indices in Himalayan forest system

Dharmendra Singh; Sarnam Singh

doi:10.1117/12.2228151

30 April 2016 Leaf area index retrieval using Hyperion EO-1 data-based vegetation indices in Himalayan forest system

Dharmendra Singh, Sarnam Singh

Proceedings Volume 9880, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VI; 98800U (2016) https://doi.org/10.1117/12.2228151
Event: SPIE Asia-Pacific Remote Sensing, 2016, New Delhi, India

Abstract

Present Study is being taken to retrieve Leaf Area Indexn(LAI) in Himalayan forest system using vegetation indices developed from Hyperion EO-1 hyperspectral data. Hemispherical photograph were captured in the month of March and April, 2012 at 40 locations, covering moist tropical Sal forest, subtropical Bauhinia and pine forest and temperate Oak forest and analysed using an open source GLA software. LAI in the study region was ranging in between 0.076 m²/m² to 6.00 m²/m². These LAI values were used to develop spectral models with the FLAASH corrected Hyperion measurements.Normalized difference vegetation index (NDVI) was used taking spectral reflectance values of all the possible combinations of 170 atmospherically corrected channels. The R² was ranging from lowest 0.0 to highest 0.837 for the band combinations of spectral region 640 nm and 670 nm. The spectral model obtained was, spectral reflectance (y) = 0.02x LAI(x) - 0.0407.

Citation Download Citation

Dharmendra Singh and Sarnam Singh "Leaf area index retrieval using Hyperion EO-1 data-based vegetation indices in Himalayan forest system", Proc. SPIE 9880, Multispectral, Hyperspectral, and Ultraspectral Remote Sensing Technology, Techniques and Applications VI, 98800U (30 April 2016); https://doi.org/10.1117/12.2228151

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