Spectral Unmixing Applied to Desert Soils for the - Naval ...

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Figure 28. The above shows some of the imagery derived endmembers from the Colorado AVIRIS flight log f110512t01p00r07 where the endmember has been identified as a Zunyite mixture. The continuum removal allows us to see how absorption feature depth differences show a similar pattern to those collected with the ASD spectrometer in figure 24 at ~500 nanometers, 1125 nanometers, and 2200 nanometers. 56
Figure 29. This figure shows the USGS spectral library entry for Zunyite and the imagery derived endmember mean class 9 thought to be a Zunyite mix. Both spectra are shown with the continuum removed. The zunyite spectra show similar spectral reflectance differences to those observed by Smith et al (2004) as well as in the ASD clay collected spectra previously discussed (Figure 28). Differences again show up at the wavelength regions of approximately 500 nm, 1125 nm, and 2200. Like the spectra collected using the ASD 57
Page 1 and 2:
NAVAL POSTGRADUATE SCHOOL MONTEREY,
Page 3 and 4:
REPORT DOCUMENTATION PAGE Form Appr
Page 5 and 6:
Approved for public release; distri
Page 7 and 8:
ABSTRACT Desert areas cover approxi
Page 9 and 10:
TABLE OF CONTENTS I. INTRODUCTION..
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LIST OF FIGURES Figure 1. The above
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spectrum by atmospheric effects. Re
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emoved function showing an absorpti
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LIST OF TABLES Table 1. This table
Page 19 and 20:
LIST OF ACRONYMS AND ABBREVIATIONS
Page 21 and 22:
I. INTRODUCTION A study published b
Page 23 and 24:
II. THE PHYSICS BEHIND REMOTE SENSI
Page 25 and 26: sensitive a given sensor is to diff
Page 27 and 28: Figure 3. From Green et al. (1998),
Page 29 and 30: analyzing imagery spectra, it is mo
Page 31 and 32: After data have been converted to r
Page 33 and 34: Collins et al. (1997) was able to s
Page 35 and 36: These purposes include, but are not
Page 37 and 38: III. DESERT ECOSYSTEM CHARACTERISTI
Page 39 and 40: sagebrush of Utah, Montana, and the
Page 41 and 42: in desert regions include argids, o
Page 43 and 44: 2. Biological Soil Crusts (BSCs) Bi
Page 45 and 46: 2004), especially in cases where ma
Page 47 and 48: IV. STUDY SITES The focus area of t
Page 50 and 51: Figure 13. This figure illustrates
Page 52 and 53: Following the uplift that occurred
Page 54 and 55: the Mazourka Canyon OHV park betwee
Page 56 and 57: wavelengths being analyzed to obtai
Page 58 and 59: 2. Field Spectroscopy An Analytical
Page 60 and 61: A spectral library was then built a
Page 62 and 63: after atmospherically correcting th
Page 64 and 65: where: is the mean corrected and no
Page 66 and 67: also be seen in Figure 23. The leve
Page 68 and 69: Figure 24. This figure is a compari
Page 70 and 71: Figure 25. This figure shows ASD co
Page 72 and 73: Looking at Figure 25 it is apparent
Page 74 and 75: A. IMAGERY DERIVED ENDMEMBERS The i
Page 78 and 79: spectrometer, reflectance values we
Page 80 and 81: such an inference can be made (Ben-
Page 82 and 83: While this is lower than the hoped
Page 84 and 85: While the lower value would initial
Page 86 and 87: Figure 33. This figure shows the ad
Page 88 and 89: Inset C of Figure 35 is the same da
Page 90 and 91: However, the presences of BSCs are
Page 92 and 93: A B C Figure 37. Inset A shows the
Page 94 and 95: A B C Figure 38. Inset A shows a co
Page 96 and 97: differences in the studies by other
Page 98 and 99: small concentrations making them un
Page 100 and 101: area making it possible to tell wha
Page 102 and 103: Clark, R. N., Swayze, G. A., Livo,
Page 104 and 105: Kruse, F. A., Boardman, J. W., and
Page 106 and 107: Sharp, R. P., and Glazner, A. F., (
Page 108: INITIAL DISTRIBUTION LIST 1. Defens
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