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(For further information on spectrsocopy, see:
http://speclab.cr.usgs.gov)
TITLE: melting_snow mSnw+veg DESCRIPT
DOCUMENTATION_FORMAT: VOLATILE
SAMPLE_ID: mSnw1a+0.5veg, mSnw3+0.5veg, mSnw8+0.5veg, mSnw9+0.5veg, mSnw16+0.25veg, mSnw16+0.5veg, veg= Pinion Pine ANP92-14A
MATERIAL_TYPE: Oxide + Vegetation mixture
MATERIAL: Water_Ice (snow) + Vegetation Pinion Pine mixture
FORMULA: H2O + Vegetation Pinion Pine
FORMULA_HTML: H2O + Vegetation Pinion Pine
COLLECTION_LOCALITY: Snow: Genesse area, Colorado + Pinion Pine: Arches National Park
COLLECTION_LATITUDE: Not Available # degrees and decimal minutes (N or S)
COLLECTION_LONGITUDE: Not Available # degrees and decimal minutes (W or E)
DATUM: Not Available # coordinate datum
ORIGINAL_DONOR: constructed mixture
CURRENT_SAMPLE_LOCATION: Not Available
ULTIMATE_SAMPLE_LOCATION: Not Available
SAMPLE_DESCRIPTION:
Constructed mixtures sequence for use in mapping melting snow in forests.
melting_snow mSnw1a + 0.5 Pinion Pine ANP92-14A
melting_snow mSnw3 + 0.5 Pinion Pine ANP92-14A
melting_snow mSnw8 + 0.5 Pinion Pine ANP92-14A
melting_snow mSnw9 + 0.5 Pinion Pine ANP92-14A
melting_snow mSnw16 + 0.25 Pinion Pine ANP92-14A
melting_snow mSnw16 + 0.5 Pinion Pine ANP92-14A
END_SAMPLE_DESCRIPTION.
XRD_ANALYSIS:
none
END_XRD_ANALYSIS.
COMPOSITIONAL_ANALYSIS_TYPE: None # XRF, EM(WDS), ICP(Trace), WChem COMPOSITION_TRACE: None
COMPOSITION_DISCUSSION:
No additional compositional details available.
END_COMPOSITION_DISCUSSION.
MICROSCOPIC_EXAMINATION:
not available
END_MICROSCOPIC_EXAMINATION.
IMAGE_OF_SAMPLE: Not Available
SPECTROSCOPIC_DISCUSSION:
Because all spectra used to construct the mixture are spectrally pure, these computed spectra are rated spectrally pure. Observed absorptions are the chlorophyll in the visible, followed by water absorptions into the near-infrared. But the water absorptions are combinations due to water in the pinion pine, liquid water, and ice.
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 9320 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 9343 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 9389 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 9434 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 9527 | 0.2-3.0µm | 200 | g.s.= |
| LIB_SPECTRA: | splib05a r 9574 | 0.2-3.0µm | 200 | g.s.= |
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