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Adrian Brown Wendy M, Calvin Patricio, Becerra Shane, Byrne
Published in
arXiv preprint arXiv:1605.03487
A key outstanding question in Martian science is are the polar caps gaining or losing mass and what are the implications for past, current and future climate? To address this question, we use observations from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) of the north polar cap during late summer for multiple Martian years, to m...
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Adrian Brown C E, Viviano-Beck Janice Bishop Nathalie Cabrol Dale Andersen Pablo Sobron J, Moersch A S, Templeton M J, Russell
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Adrian Brown W M, Calvin P, Becerra S, Byrne
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Adrian Brown
The Nili Fossae region is the site of a number of proposed Landing Sites for the Mars 2020 Rover. A distinguishing feature of many of these sites is the access to large exposures of carbonate (Ehlmann et al. 2008). Serpentinization has been proposed as a formation mechanism of these carbonates, including carbonated (Brown et al. 2010, Viviano, et a...
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Patricio, Becerra Shane, Byrne Adrian Brown
Published in
Icarus
Spacecraft imaging of Mars south polar region during mid-southern summer of Mars year 28 (2007) observed bright halo-like features surrounding many of the pits, scarps and slopes of the heavily eroded carbon dioxide ice of the South Polar Residual Cap (SPRC). These features had not been observed before, and have not been observed since. We report ...
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Adrian Brown Tim Michaels Shane, Byrne Wenbo, Sun Timothy N, Titus Anthony, Colaprete Michael J, Wolff Gorden, Videen Christian J, Grund
Published in
Journal of Quantitative Spectroscopy and Radiative Transfer
We present the scientific case to build a multiple-wavelength, active, near-infrared (NIR) instrument to measure the reflected intensity and polarization characteristics of backscattered radiation from planetary surfaces and atmospheres. We focus on the ability of such an instrument to enhance, potentially revolutionize, our understanding of climat...
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Adrian Brown Michael J, Wolff Jeffrey D, Scargle
Published in
arXiv preprint arXiv:1501.03802
We report on the interannual variability of the atmospheric ice/dust cycle in the Martian polar regions for Mars Years 28-30. We used CRISM emission phase function measurements to derive atmospheric dust optical depths and data from the MARCI instrument to derive atmospheric water ice optical depths. We have used autocorrelation and cross correlati...
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Adrian Brown Wendy M, Calvin Patricio, Becerra Shane, Byrne
Published in
arXiv preprint arXiv:1501.02040
We use observations from the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) of the north polar cap during late summer for two Martian years, to monitor the complete summer cycle of albedo and water ice grain size in order to place quantitative limits of the amount of water ice deposited in late summer.
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T L, Roush Janice Bishop Adrian Brown D F, Blake T F, Bristow
Published in
Icarus
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Adrian Brown
Published in
JOSA A
Symmetry relationships for optical observations of matter generally fall into several common scattering geometries. The “planetary” configuration is preferred by observers of extraterrestrial planets,“laboratory” observations are performed in the biomedical research field, and the LIDAR configuration is preferred by those using lasers to probe opti...
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Janice Bishop Melissa D, Lane Darby, Dyar Sara J, King Adrian Brown Gregg A, Swayze
Published in
American Mineralogist
This study of the spectral properties of Ca-sulfates was initiated to support remote detection of these minerals on Mars. Gypsum, bassanite, and anhydrite are the currently known forms of Ca-sulfates. They are typically found in sedimentary evaporites on Earth, but can also form via reaction of acidic fluids associated with volcanic activity. Refle...
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Adrian Brown
Published in
arXiv preprint arXiv:1409.5835
Symmetry relationships for optical observations of matter generally fall into several common scattering geometries. The planetary configuration is preferred among a group of observers of extraterrestrial planets, laboratory observations are performed in the biomedical research field and the LIDAR configuration is preferred among those using lasers ...
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Janice Bishop M D, Lane M D, Dyar S J, King Adrian Brown G, Swayze
Published in
American Mineralogist
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Adrian Brown
Published in
arXiv preprint arXiv:1307.5096
Scattering by particles significantly smaller than the wavelength is an important physical process in the rocky bodies in our solar system and beyond. A number of observations of spectral bluing (referred to in those papers as" Rayleigh scattering") on planetary surfaces have been recently reported, however, the necessary mathematical modeling of t...
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Janice Bishop Kaysea A., Perry M., Darby Dyar Thomas F., Bristow David F., Blake Adrian Brown Samantha E., Peel
Published in
Journal of Geophysical Research: Planets
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M, Galvao O, Saeed J, Immekus D, Goldstein Adrian Brown N, Fida S, Maybaum
Published in
Heart & Lung: The Journal of Acute and Critical Care
Purpose INTERMACS data shows that few non-inotrope dependent (NID) patients (pts) with advanced heart failure (HF) are referred for Left Ventricular Assist Devices (LVAD) as Destination Therapy (DT). We sought to understand if there was consensus amongst experts with regards to referral of NID HF pts for DT. Background Criteria for the identificati...
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Janice Bishop J J, Wray B L, Ehlmann Adrian Brown M, Parente
Published in
LPSC XXXXIV
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I, Szumila Janice Bishop Lori Fenton Adrian Brown
Published in
LPSC XXXXIV
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Janice Bishop M D, Lane Adrian Brown T, Hiroi G A, Swayze J.-F, Lin
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Adrian Brown M J, Wolff
Published in
LPSC XXXXIV. LPI