U.S. Geological Survey home page


Clark et. al. 2003 USGS Open File Report 03-395
Spectral Library splib05a Sample Description

(For further information on spectrsocopy, see: http://speclab.cr.usgs.gov)

TITLE: Oak Oak-Leaf-1 fresh DESCRIPT

DOCUMENTATION_FORMAT: Plant

SAMPLE_ID: Oak-Leaf-1

PLANT_TYPE: Deciduous Tree

PLANT: Oak

LATIN_NAME: Quercus robur

COLLECTION_LOCALITY: Lakewood, Colorado

ORIGINAL_DONOR: Raymond Kokaly

SAMPLE_DESCRIPTION:

Average reflectance of a single oak leaf, measured laying flat on a strongly absorbing laboratory benchtop. The leaf was cut from a tree and measured within ten minutes. Fresh leaf weight was 1.65g. The oak leaf was a dark green color when collected. The leaf was collected from the sunlit east side of the tree from the lower branches.

Leaf weight after oven-drying for 72 hours at 30 degrees Celsius was 0.83g (see sample Oak-Leaf-2).

Photos of the sample:

END_SAMPLE_DESCRIPTION.

COMPOSITIONAL_ANALYSIS_TYPE: none

COMPOSITION_DISCUSSION:

END_COMPOSITION_DISCUSSION.

TRACE_ELEMENT_ANALYSIS: none

TRACE_ELEMENT_DISCUSSION:

END_TRACE_ELEMENT_DISCUSSION.

SPECTROSCOPIC_DISCUSSION:

END_SPECTROSCOPIC_DISCUSSION.

SPECTRAL_PURITY: 1a2_3_4_ # 1= 0.2-3, 2= 1.5-6, 3= 6-25, 4= 20-150 microns

LIB_SPECTRA_HED: where Wave Range Av_Rs_Pwr Comment
LIB_SPECTRA: splib05a r 11754 0.3-2.5µm 200


USA.gov logo  Take Pride in America button