Surface Optical Property Measurements on Bark and Leaf Samples

Abstract

This paper presents reflectance data for leaf and bark samples taken from a big-leaf aspen tree located near Orono, Maine. Total hemispherical directional reflectance measurements were made for several angles of incidence between 20 and 80 deg. and over the 0.3 to 25.0 microns spectral region. Since the leaves are translucent, transmittance measurements were also made. Bidirectional reflectances were measured for incident angles of 20, 40 and 60 deg. at wavelengths of 1.3, 4.6 and 10.0 microns. In addition, some reflectance data from a concrete runway and adjacent grasses are presented.

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Document Details

Document Type
Technical Report
Publication Date
Dec 31, 1990
Accession Number
ADA240714

Entities

People

  • D. C. Robertson
  • J. T. Neu
  • M. Beecroft
  • P. Mckenna
  • R. S. Dummer

Tags

Communities of Interest

  • Advanced Electronics
  • Air Platforms
  • Sensors

DTIC Thesaurus Topics

  • Angle Of Incidence
  • Bandwidth
  • Coordinate Systems
  • Data Processing
  • Data Reduction
  • Detectors
  • Directional
  • Electromagnetic Radiation
  • Materials
  • Measurement
  • Optical Materials
  • Optical Properties
  • Optics
  • Orientation (Direction)
  • Plastic Explosives
  • Reflectance
  • Scattering

Readers

  • Forest Ecology
  • Pavement Materials Engineering.
  • Spectroscopy.