D. Abbot

Publications157
h-index34
Citations3,623
Highly Influential Citations287
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Stabilizing Cloud Feedback Dramatically Expands the Habitable Zone of Tidally Locked Planets
The habitable zone (HZ) is the circumstellar region where a planet can sustain surface liquid water. Searching for terrestrial planets in the HZ of nearby stars is the stated goal of ongoing and…
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STRONG DEPENDENCE OF THE INNER EDGE OF THE HABITABLE ZONE ON PLANETARY ROTATION RATE
Planetary rotation rate is a key parameter in determining atmospheric circulation and hence the spatial pattern of clouds. Since clouds can exert a dominant control on planetary radiation balance,…
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The Jormungand global climate state and implications for Neoproterozoic glaciations
[1] Geological and geochemical evidence can be interpreted as indicating strong hysteresis in global climate during the Neoproterozoic glacial events (∼630 Ma and ∼715 Ma). Standard climate theory…
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INDICATION OF INSENSITIVITY OF PLANETARY WEATHERING BEHAVIOR AND HABITABLE ZONE TO SURFACE LAND FRACTION
It is likely that unambiguous habitable zone terrestrial planets of unknown water content will soon be discovered. Water content helps determine surface land fraction, which influences planetary…
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Resolved Snowball Earth Clouds
  • D. Abbot
  • Environmental Science, Physics
  • 5 June 2014
AbstractRecent general circulation model (GCM) simulations have challenged the idea that a snowball Earth would be nearly entirely cloudless. This is important because clouds would provide a strong…
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Snowball Earth climate dynamics and Cryogenian geology-geobiology
TLDR
Modeling shows that the small thermal inertia of a globally frozen surface reverses the annual mean tropical atmospheric circulation, producing an equatorial desert and net snow and frost accumulation elsewhere, and that the evolutionary legacy of Snowball Earth is perceptible in fossils and living organisms.
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Seasonal and interannual variability of North American isoprene emissions as determined by formaldehyde column measurements from space
Formaldehyde (HCHO) columns measured from space by solar UV backscatter allow mapping of reactive hydrocarbon emissions. The principal contributor to these emissions during the growing season is the…
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Mudball: Surface dust and Snowball Earth deglaciation
[1] Recent modeling results have raised doubts about the ability to deglaciate from a global glaciation at atmospheric carbon dioxide levels that are realistic for a Neoproterozoic Snowball Earth.…
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Water Trapping on Tidally Locked Terrestrial Planets Requires Special Conditions
Surface liquid water is essential for standard planetary habitability. Calculations of atmospheric circulation on tidally locked planets around M stars suggest that this peculiar orbital…
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Sea-ice dynamics strongly promote Snowball Earth initiation and destabilize tropical sea-ice margins
The Snowball Earth bifurcation, or runaway ice- albedo feedback, is defined for particular boundary condi- tions by a critical CO2 and a critical sea-ice cover (SI), both of which are essential for…
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