Search Results - "PORTER, John N"

Biofinder detects biological remains in Green River fish fossils from Eocene epoch at video speed by Misra, Anupam K., Rowley, Sonia J., Zhou, Jie, Acosta-Maeda, Tayro E., Dasilveira, Luis, Ravizza, Gregory, Ohtaki, Kenta, Weatherby, Tina M., Trimble, A. Zachary, Boll, Patrick, Porter, John N., McKay, Christopher P.

“…The “Search for life”, which may be extinct or extant on other planetary bodies is one of the major goals of NASA planetary exploration missions. Finding such…”
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Real-time measurement of volcanic SO2 emissions : validation of a new UV correlation spectrometer (FLYSPEC) by HORTON, Keith A, WILLIAMS-JONES, Glyn, GARBEIL, Harold, ELIAS, Tamar, SUTTON, A. Jeff, MOUGINIS-MARK, Peter, PORTER, John N, CLEGG, Steven

“…A miniaturized, lightweight and low-cost UV correlation spectrometer, the FLYSPEC, has been developed as an alternative for the COSPEC, which has long been the…”
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Remote Raman Detection of Chemicals from 1752 m During Afternoon Daylight by Misra, Anupam K., Acosta-Maeda, Tayro E., Porter, John N., Egan, Miles J., Sandford, Macey W., Oyama, Tamra, Zhou, Jie

“…The detection and identification of materials from a distance is highly desirable for applications where accessibility is limited or there are safety concerns…”
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Applications of quantitative thermal infrared hyperspectral imaging (8–14 μm): measuring volcanic SO2 mass flux and determining plume transport velocity using a single sensor by Gabrieli, Andrea, Wright, Robert, Porter, John N., Lucey, Paul G., Honnibal, Casey

“…Remote measurements of sulfur dioxide (SO 2 ) path-concentration and emission rate (mass flux), released by passive volcanic degassing, are a key diagnostic of…”
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A Two Components Approach for Long Range Remote Raman and Laser-Induced Breakdown (LIBS) Spectroscopy Using Low Laser Pulse Energy by Misra, Anupam K., Acosta-Maeda, Tayro E., Porter, John N., Berlanga, Genesis, Muchow, Dalton, Sharma, Shiv K., Chee, Brian

“…The remote detection of chemicals using remote Raman spectroscopy and laser-induced breakdown spectroscopy (LIBS) is highly desirable for homeland security and…”
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Validating the accuracy of SO2 gas retrievals in the thermal infrared (8–14 μm) by Gabrieli, Andrea, Porter, John N., Wright, Robert, Lucey, Paul G.

“…Quantifying sulfur dioxide (SO 2 ) in volcanic plumes is important for eruption predictions and public health. Ground-based remote sensing of spectral radiance…”
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Detecting Minerals and Organics Relevant to Planetary Exploration Using a Compact Portable Remote Raman System at 122 Meters by Sandford, Macey W., Misra, Anupam K., Acosta-Maeda, Tayro E., Sharma, Shiv K., Porter, John N., Egan, Miles J., Abedin, M. Nurul

“…Raman spectroscopy is a technique that can detect and characterize a range of molecular compounds such as water, water ice, water-bearing minerals, and…”
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Underwater Time-Gated Standoff Raman Sensor for In Situ Chemical Sensing by Sharma, Shiv K., Howe, Bruce M., Misra, Anupam K., Rognstad, Mark R., Porter, John N., Acosta-Maeda, Tayro E., Egan, Miles J.

“…We describe the fabrication of an underwater time-gated standoff Raman sensor, consisting of a custom Raman spectrometer, custom scanner, and commercial…”
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Aerosol size distribution models based on in situ measurements by Porter, John N., Clarke, Antony D.

“…We present an aerosol size distribution model summarizing measurements of sulfate, sea salt, and dust aerosol obtained in the marine boundary layer and marine…”
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Compact Color Biofinder (CoCoBi): Fast, Standoff, Sensitive Detection of Biomolecules and Polyaromatic Hydrocarbons for the Detection of Life by Misra, Anupam K., Acosta-Maeda, Tayro E., Zhou, Jie, Egan, Miles J., Dasilveira, Luis, Porter, John N., Rowley, Sonia J., Zachary Trimble, A, Boll, Patrick, Sandford, Macey W., McKay, Christopher P., Nurul Abedin, M.

“…We have developed a compact instrument called the “COmpact COlor BIofinder”, or CoCoBi, for the standoff detection of biological materials and organics with…”
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Remote Raman Efficiencies and Cross-Sections of Organic and Inorganic Chemicals by Acosta-Maeda, Tayro E., Misra, Anupam K., Porter, John N., Bates, David E., Sharma, Shiv K.

“…We determined Raman cross-sections of various organic liquids and inorganic polyatomic ions in aqueous solutions with a 532 nm pulsed laser using remote Raman…”
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Single-Pulse Standoff Raman Detection of Chemicals from 120 m Distance during Daytime by Misra, Anupam K., Sharma, Shiv K., Acosta, Tayro E., Porter, John N., Bates, David E.

“…The capability to analyze and detect the composition of distant samples (minerals, organics, and chemicals) in real time is of interest for various fields…”
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An overview of UAE2 flight operations: Observations of summertime atmospheric thermodynamic and aerosol profiles of the southern Arabian Gulf by Reid, Jeffrey S., Piketh, Stuart J., Walker, Annette L., Burger, Roelof P., Ross, Kristy E., Westphal, Douglas L., Bruintjes, Roelof T., Holben, Brent N., Hsu, Christina, Jensen, Tara L., Kahn, Ralph A., Kuciauskas, Arunas P., Al Mandoos, Abdulla, Al Mangoosh, Abdulla, Miller, Steven D., Porter, John N., Reid, Elizabeth A., Tsay, Si-Chee

“…In August through September 2004 the United Arab Emirates Unified Aerosol Experiment (UAE2) was conducted in the southern Arabian Gulf region. We present…”
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Two-dimensional standoff Raman measurements of distant samples by Porter, John N., Helsley, Charles E., Sharma, Shiv K., Misra, Anupam K., Bates, David E., Lienert, Barry R.

“…A scanning standoff Raman spectroscopy system has been developed to measure the molecular species of distant samples in two dimensions. Computer software is…”
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Wind environment in the Lee of Kauai Island, Hawaii during trade wind conditions: weather setting for the Helios Mishap by Porter, John N, Stevens, Duane, Roe, Kevin, Kono, Sheldon, Kress, David, Lau, Eric

“…On 26 June 2003 (approximately 1030 local time) the Helios ultralight aircraft broke apart off the west coast of Kauai Island, Hawaii as it was climbing out of…”
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Sun photometer and lidar measurements of the plume from the Hawaii Kilauea Volcano Pu'u O'o vent: Aerosol flux and SO2 lifetime by Porter, John N., Horton, Keith A., Mouginis-Mark, Peter J., Lienert, Barry, Sharma, Shiv K., Lau, Eric, Sutton, A. Jeff, Elias, Tamar, Oppenheimer, Clive

“…Aerosol optical depths and lidar measurements were obtained under the plume of Hawaii Kilauea Volcano on August 17, 2001, ∼9 km downwind from the erupting Pu'u…”
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Characterization and initial field test of an 8–14 μm thermal infrared hyperspectral imager for measuring SO2 in volcanic plumes by Gabrieli, Andrea, Wright, Robert, Lucey, Paul G., Porter, John N., Garbeil, Harold, Pilger, Eric, Wood, Mark

“…The ability to image and quantify SO 2 path-concentrations in volcanic plumes, either by day or by night, is beneficial to volcanologists. Gas emission rates…”
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Characterization and initial field test of an 8-14 [mu]m thermal infrared hyperspectral imager for measuring SO2 in volcanic plumes by Gabrieli, Andrea, Wright, Robert, Lucey, Paul G, Porter, John N, Garbeil, Harold, Pilger, Eric, Wood, Mark

“…The ability to image and quantify SO2 path-concentrations in volcanic plumes, either by day or by night, is beneficial to volcanologists. Gas emission rates…”
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Characterization and initial field test of an 8-14 mu m thermal infrared hyperspectral imager for measuring SO sub(2) in volcanic plumes by Gabrieli, Andrea, Wright, Robert, Lucey, Paul G, Porter, John N, Garbeil, Harold, Pilger, Eric, Wood, Mark

“…The ability to image and quantify SO sub(2) path-concentrations in volcanic plumes, either by day or by night, is beneficial to volcanologists. Gas emission…”
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AO3D: A Monte Carlo code for modeling of environmental light propagation by Bates, David E., Porter, John N.

“…A Monte Carlo radiative transfer program (Atmosphere–Ocean 3-Dimensional, AO3D) for modeling the coupled atmosphere–ocean environment has been developed. The…”
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