U.S. Geological Survey home page

USGS Spectral Library Version 7 Sample Description

Kokaly, R.F., Clark, R.N., Swayze, G.A., Livo, K.E., Hoefen, T.M., Pearson, N.C., Wise, R.A., Benzel, W.M., Lowers, H.A., Driscoll, R.L., and Klein, A.J., 2017, USGS Spectral Library Version 7: U.S. Geological Survey Data Series 1035, 61 p., https://doi.org/10.3133/ds1035
For more information on the library, see: local link web link

TITLE: Oak Oak-Leaf-1 fresh DESCRIPT

DOCUMENTATION_FORMAT: PLANT

SAMPLE_ID: Oak-Leaf-1

PLANT_TYPE: Deciduous Tree, perennial

PLANT: English oak

LATIN_NAME: Quercus robur L.

COLLECTION_LOCALITY: Lakewood, Colorado

ORIGINAL_DONOR: Raymond Kokaly, USGS

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).

IMAGE_OF_SAMPLE: Photo of site Photo of site Photo of site

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