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ARS Home Office of Communications Images Photos Apr09





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Image Number D1409-1 Physical scientist Raymond Hunt (left) and Amy Parker Williams, formerly a graduate student at the University of Wyoming, measure spectral reflectance of flowering leafy spurge with a spectrometer. The field data was used to calculate the amount of leafy spurge for each pixel in aircraft and satellite images.  Photo by Marc Williams.  640 pixels wide: (d1409-1.jpg)   Please visit our Image Gallery


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