Climate sensitivity from radiative-convective equilibrium: A chalkboard approach
Simple models for Earth's climate sensitivity (i.e. its temperature response to radiative forcing) are developed by combining the time-tested idealization of one-dimensional radiative-convective equilibrium (RCE) with simple yet quantitatively reasonable models for CO2 forcing and the water vapor feedback.
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FAT or FiTT: Are Anvil Clouds or the Tropopause Temperature Invariant?
The Fixed Anvil Temperature (FAT) hypothesis proposes that upper tropospheric cloud fraction peaks at a special isotherm that is independent of surface temperature.
Jacob T. Seeley +2 more
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Competing effects of surface albedo and orographic elevated heating on regional climate
All else being equal, a given atmospheric pressure level is thought to be warmer over a plateau than over surrounding nonelevated terrain because of orographic “elevated heating.” However, elevated surfaces are also typically brighter due to reduced ...
Shineng Hu, William R. Boos
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This paper reviews recent important advances in our understanding of the response of precipitation extremes to warming from theory and from idealized cloud-resolving simulations.
Caroline Muller, Yukari Takayabu
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Modeling the Rise of Fibril Magnetic Fields in Fully Convective Stars [PDF]
Many fully convective stars exhibit a wide variety of surface magnetism, including starspots and chromospheric activity. The manner by which bundles of magnetic field traverse portions of the convection zone to emerge at the stellar surface is not ...
Browning, Matthew K., Weber, Maria A.
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Diurnal Variation of Simulated Cumulus Convection in Radiative-Convective Equilibrium
This study investigates the representation of the diurnal variation of cumulus convection in radiative-convective equilibrium states in an area of 200 km by 200 km without large-scale forcing by using a non-hydrostatic model with sub-kilometer horizontal resolutions.
Yanase, Tomoro, Takemi, Tetsuya
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Temperature Fluctuations as a Source of Brown Dwarf Variability
A number of brown dwarfs are now known to be variable with observed amplitudes as large as 10-30% at some wavelengths. While spatial inhomogeneities in cloud coverage and thickness are likely responsible for much of the observed variability, it is ...
Marley, Mark S., Robinson, Tyler D.
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Fast‐Responding O2 Gas Sensor Based on Luminescent Europium Metal‐Organic Frameworks (MOF‐76)
Luminescent MOF‐76 materials based on Eu(III) and mixed Eu(III)/Y(III) show rapid and reversible changes in emission intensity in response to O2 with very short response times. The effect is based on triplet quenching of the linker ligands that act as photosensitizers. Average emission lifetimes of a few milliseconds turn out to be mostly unaffected by
Zhenyu Zhao +5 more
wiley +1 more source
Two-Dimensional Hydrodynamic Simulations of Convection in Radiation-Dominated Accretion Disks [PDF]
The standard equilibrium for radiation-dominated accretion disks has long been known to be viscously, thermally, and convectively unstable, but the nonlinear development of these instabilities---hence the actual state of such disks---has not yet been ...
Bisnovatyi-Kogan G. S. +12 more
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Irradiated Atmospheres. III. Radiative-convective-mixing Equilibrium for Nongray Picket-fence Model
The nongray picket-fence model predicts more accurately the temperatures in low-density regions compared to semigray models. This study investigates how the vertical-mixing and convection fluxes modify the picket-fence model.
Wei Zhong +5 more
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