Polarized lidar reflectance measurements of vegetation at near-infrared and green wavelengths

Songxin Tan, Ram Mohan Narayanan, Sunil K. Shetty

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

There is growing interest in the use of lidar for remote sensing of vegetation owing to the emergence of reliable and rugged lasers and highly sensitive detectors. Lidar remote sensing has a distinct advantage over conventional techniques in vegetation remote sensing due to its capability for three-dimensional characterization of vegetative targets. The Multiwavelength Airborne Polarimetric Lidar (MAPL) system was developed primarily for vegetation remote sensing applications from an airborne platform of up to 1,000 -m altitude. The lidar system has full waveform capture and polarimetric measurement capability at two wavelengths in the near-infrared (1064 nm) and the green (532 nm) spectral regions. This study presents preliminary ground-based lidar reflectance measurements on a variety of deciduous and coniferous trees under fully foliated conditions with a view towards tree species discrimination. Variations in the reflectance characteristics of selected deciduous trees under unfoliated and fully foliated conditions were also investigated. Our study reveals distinct differences in the reflectance characteristics of various trees.

Original languageEnglish (US)
Pages (from-to)1175-1194
Number of pages20
JournalInternational Journal of Infrared and Millimeter Waves
Volume26
Issue number8
DOIs
StatePublished - Jul 1 2005

Fingerprint

Reflectometers
Optical radar
vegetation
optical radar
remote sensing
Remote sensing
deciduous trees
Infrared radiation
reflectance
Wavelength
wavelengths
discrimination
waveforms
platforms
Detectors
Lasers
detectors
lasers

All Science Journal Classification (ASJC) codes

  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Physics and Astronomy (miscellaneous)
  • Electrical and Electronic Engineering

Cite this

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Polarized lidar reflectance measurements of vegetation at near-infrared and green wavelengths. / Tan, Songxin; Narayanan, Ram Mohan; Shetty, Sunil K.

In: International Journal of Infrared and Millimeter Waves, Vol. 26, No. 8, 01.07.2005, p. 1175-1194.

Research output: Contribution to journalArticle

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AB - There is growing interest in the use of lidar for remote sensing of vegetation owing to the emergence of reliable and rugged lasers and highly sensitive detectors. Lidar remote sensing has a distinct advantage over conventional techniques in vegetation remote sensing due to its capability for three-dimensional characterization of vegetative targets. The Multiwavelength Airborne Polarimetric Lidar (MAPL) system was developed primarily for vegetation remote sensing applications from an airborne platform of up to 1,000 -m altitude. The lidar system has full waveform capture and polarimetric measurement capability at two wavelengths in the near-infrared (1064 nm) and the green (532 nm) spectral regions. This study presents preliminary ground-based lidar reflectance measurements on a variety of deciduous and coniferous trees under fully foliated conditions with a view towards tree species discrimination. Variations in the reflectance characteristics of selected deciduous trees under unfoliated and fully foliated conditions were also investigated. Our study reveals distinct differences in the reflectance characteristics of various trees.

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