R. Webb

Publications288
h-index52
Citations11,163
Highly Influential Citations434
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In vivo confocal scanning laser microscopy of human skin: melanin provides strong contrast.
Confocal scanning laser microscopy of live human skin was performed to investigate the correlation of in vivo cellular and morphologic features to histology, the effect of wavelength on imaging, and… Expand
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Confocal optical microscopy
Confocal optical microscopy is a technique for increasing the contrast of microscope images, particularly in thick specimens. By restricting the observed volume, the technique keeps overlying or… Expand
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In vivo confocal scanning laser microscopy of human skin II: advances in instrumentation and comparison with histology.
In 1995, we reported the construction of a video-rate scanning laser confocal microscope for imaging human skin in vivo. Since then, we have improved the resolution, contrast, depth of imaging, and… Expand
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Precipitation history and ecosystem response to multidecadal precipitation variability in the Mojave Desert region, 1893-2001
Precipitation varied substantially in the Mojave Desert through the 20th century in a manner broadly similar to the other warm North American deserts. Episodes of drought and prolonged dry conditions… Expand
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El Nino/Southern Oscillation and streamflow in the western United States
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Maximum permissible exposures for ocular safety (ANSI 2000), with emphasis on ophthalmic devices.
TLDR
In this paper, we present the concise formulation of the exposure limits expressed as maximum permissible radiant exposure (in J/cm(2)) for light overfilling the pupil. Expand
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The Pixilated Image
TLDR
This chapter will show that the “zoom” magnification control must be chosen to produce a sampling rate that conforms to the Nyquist criterion so that we don’t lose or confuse the data by undersampling. Expand
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Late Holocene flooding on the Escalante River, south-central Utah
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Precipitation history of the Colorado Plateau region, 1900-2000
U.S. Geological Survey USGS Fact Sheet 119-02 October 2002 The Colorado Plateau, one of the most visually captivating parts of the United States, covers 210,000 km (130,000 mi) of Utah, Colorado, New… Expand
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Climatic variability and flood frequency of the Santa Cruz River, Pima County, Arizona
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