Search Results - "Hayne, P. O"
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The Young Age of the LAMP-Observed Frost in Lunar Polar Cold Traps
Published in Geophysical research letters (16-08-2019)“…The Lunar Reconnaissance Orbiter/Lyman Alpha Mapping Project (LAMP) ultraviolet instrument detected a 0.5–2% icy regolith mix on the floor of some of the…”
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Thermal stability of ice on Ceres with rough topography
Published in Journal of geophysical research. Planets (01-09-2015)“…The dwarf planet Ceres may have an ice‐rich crust, and subsurface ice exposed by impacts or endogenic activity would be subject to sublimation. We model…”
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Extreme detached dust layers near Martian volcanoes: Evidence for dust transport by mesoscale circulations forced by high topography
Published in Geophysical research letters (28-05-2015)“…Modeling suggests that thermal circulations over Mars's highest volcanoes transport water vapor and dust from the surface into the middle atmosphere, forming…”
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Micro cold traps on the Moon
Published in Nature astronomy (01-02-2021)“…Water ice is thought to be trapped in large permanently shadowed regions in the Moon’s polar regions, due to their extremely low temperatures. Here, we show…”
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Transport of Water Into the Polar Regions of Mars Through Scavenging by CO2 Snowfall
Published in Journal of geophysical research. Planets (01-11-2022)“…The Martian water cycle is tightly coupled to the polar regions, where water in the residual polar caps exchanges with the atmosphere on seasonal and…”
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Seasonal Polar Temperatures on the Moon
Published in Journal of geophysical research. Planets (01-10-2019)“…The Diviner Lunar Radiometer Experiment on the Lunar Reconnaissance Orbiter has been acquiring visible and infrared radiance measurements of the Moon for…”
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Thermal Environments and Volatile Stability Within Lunar Pits and Caves
Published in Journal of geophysical research. Planets (01-07-2023)“…Lunar collapse pits and possible caves have been suggested as ideal locations for the storage and protection of lunar water ice deposits, due to their…”
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Surface Roughness Evolution and Implications for the Age of the North Polar Residual Cap of Mars
Published in Journal of geophysical research. Planets (01-12-2020)“…An understanding of the current state of the Martian North Polar Residual Cap (NPRC) is needed to understand the North Polar Layered Deposits (NPLD) as a whole…”
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Coevolution of Mars’s atmosphere and massive south polar CO2 ice deposit
Published in Nature astronomy (01-04-2020)“…A massive CO 2 ice deposit overlies 1 part of Mars’s primarily H 2 O ice 2 – 4 south polar cap 5 . This deposit rivals the mass of Mars’s current, 96% CO 2 ,…”
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High‐Resolution Nighttime Temperature and Rock Abundance Mapping of the Moon Using the Diviner Lunar Radiometer Experiment With a Model for Topographic Removal
Published in Journal of geophysical research. Planets (01-02-2023)“…The Diviner Lunar Radiometer Experiment on the Lunar Reconnaissance Orbiter (LRO) has been mapping the surface temperatures of the Moon since 5 July 2009…”
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Surface Dust Redistribution on Mars From Interannual Differences in Temperature and Albedo
Published in Journal of geophysical research. Planets (01-12-2022)“…The present climate of Mars is punctuated by recurring dust storm events, where dust is lifted from the surface and is transported by the atmosphere. Dust…”
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Conditions for Sublimating Water Ice to Supply Ceres' Exosphere
Published in Journal of geophysical research. Planets (01-10-2017)“…Observations of a water vapor exosphere around Ceres suggest that the dwarf planet may be episodically outgassing at a rate of ~6 kg s−1 from unknown sources…”
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Thermophysical Properties of Lunar Irregular Mare Patches From LRO Diviner Radiometer Data
Published in Journal of geophysical research. Planets (01-07-2022)“…Irregular mare patches (IMPs) are enigmatic features in the lunar maria that are characterized as having smooth mounds surrounded by uneven or blocky terrain…”
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Lunar Cold Spots and Crater Production on the Moon
Published in Journal of geophysical research. Planets (01-09-2018)“…Mapping of lunar nighttime surface temperatures has revealed anomalously low nighttime temperatures around recently formed impact craters on the Moon. The…”
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LRO‐LAMP Lunar South Pole Cold Traps: Assessment of H2O and Potential CO2 and NH3 Reserves
Published in Journal of geophysical research. Planets (01-08-2023)“…Nighttime Lyman Alpha Mapping Project (LAMP) observations are used to investigate condensed volatiles at the south polar region of the Moon. This study…”
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LRO‐LAMP Survey of Lunar South Pole Cold Traps: Implication for the Presence of Condensed H2O
Published in Journal of geophysical research. Planets (01-11-2022)“…We employ nighttime observations from the Lyman Alpha Mapping Project (LAMP) ultraviolet (UV) spectrograph onboard the Lunar Reconnaissance Orbiter to…”
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Asymmetries in Snowfall, Emissivity, and Albedo of Mars' Seasonal Polar Caps: Mars Climate Sounder Observations
Published in Journal of geophysical research. Planets (01-05-2020)“…The stability of the residual carbon dioxide cap near the south pole of Mars is currently not well understood. The cap's survival depends on its radiation…”
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The Subsurface Coherent Rock Content of the Moon as Revealed by Cold‐Spot Craters
Published in Journal of geophysical research. Planets (01-12-2019)“…A recently identified class of young lunar craters, cold‐spot craters, provides an optimal data set for probing the subsurface rock content on the Moon. Rocks,…”
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Thermophysical Properties of the North Polar Residual Cap using Mars Global Surveyor Thermal Emission Spectrometer
Published in Journal of geophysical research. Planets (01-05-2019)“…Using derived temperatures from thermal‐infrared instruments aboard orbiting spacecraft, we constrain the thermophysical properties, in the upper few meters,…”
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Water Vapor Contribution to Ceres' Exosphere From Observed Surface Ice and Postulated Ice‐Exposing Impacts
Published in Journal of geophysical research. Planets (01-01-2019)“…Telescopic observations have detected an exosphere around Ceres, composed of either water vapor or its photolytic products. Proposed mechanisms for its…”
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