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Related papers: Sunlight, the Bond Albedo, CO2, and Earth's Temper…

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We assess the dependence of Earth's disk-integrated mid-infrared thermal emission spectrum on observation geometries and investigate which and how spectral features are impacted by seasonality on Earth. We compiled an exclusive dataset…

Earth and Planetary Astrophysics · Physics 2023-04-04 Jean-Noel Mettler , Sascha P. Quanz , Ravit Helled , Stephanie L. Olson , Edward W. Schwieterman

The Sun provides the main energy input to the terrestrial atmosphere, and yet the impact of solar variability on long-term changes remains a controversial issue. Direct radiative forcing is the most studied mechanism. Other much weaker…

Space Physics · Physics 2015-05-13 T. Dudok de Wit , J. Watermann

Convective and radiative cooling are the two principle mechanisms by which the Earth's surface transfers heat into the atmosphere and that shape surface temperature. However, this partitioning is not sufficiently constrained by energy and…

Atmospheric and Oceanic Physics · Physics 2015-12-07 Chirag Dhara , Maik Renner , Axel Kleidon

Light elements in the iron-rich core of the Earth are important indicators for the evolution of our planet. Their amount and distribution, and the temperature in the core, are essential for understanding how the core and the mantle interact…

Geophysics · Physics 2008-07-02 A. Aitta

A review of some of the evidence for the IPCC's conclusion that doubling CO$_2$ levels will warm Earth significantly, in contrast to the claims of a recent article$^1$. Simply looking at raw temperature and CO$_2$ data over the past 150…

Atmospheric and Oceanic Physics · Physics 2008-12-01 Arthur P. Smith

Exoplanets that orbit close to their host stars are much more highly irradiated than their Solar System counterparts. Understanding the thermal structures and appearances of these planets requires investigating how their atmospheres respond…

We compute the thermal conductivity and electrical resistivity of solid hcp Fe to pressures and temperatures of Earth's core. We find significant contributions from electron-electron scattering, usually neglected at high temperatures in…

Materials Science · Physics 2018-09-12 Junqing Xu , Peng Zhang , K. Haule , J. Minar , S. Wimmer , H. Ebert , R. E. Cohen

The influence of solar cycle and activity phenomena on the two climatic variabilities such as the rainfall and the surface temperature of the Indian subcontinent are critically examined. It is concluded from this study that the sun indeed…

Solar and Stellar Astrophysics · Physics 2009-06-18 K. M. Hiremath

Many parameters constraining the spectral appearance of exoplanets are still poorly understood. We therefore study the properties of irradiated exoplanet atmospheres over a wide parameter range including metallicity, C/O ratio and host…

Earth and Planetary Astrophysics · Physics 2015-11-04 Paul Mollière , Roy van Boekel , Cornelis Petrus Dullemond , Thomas Henning , Christoph Mordasini

Thermodynamics is accepted as a universal truth, encompassing all macroscopic objects. Therefore, it is surprising to find that, within our current understanding, the photovoltaic effect has so far eluded the first and second laws of…

Statistical Mechanics · Physics 2020-12-22 Ido Frenkel , Avi Niv

For near-Sun missions, the spacecraft approaches very close to the Sun and space environmental effects become relevant. Strong restrictions on how much close it can get derive from the maximum temperature that the used materials can stand,…

Space Physics · Physics 2017-10-25 Elena Ancona , Roman Ya. Kezerashvili

The probability distribution of temperature of a blackbody can be determined from its power spectrum. This technique is called blackbody radiation inversion. In the present paper blackbody radiation inversion is applied on the spectrum of…

Solar and Stellar Astrophysics · Physics 2021-04-09 Koustav Konar , Kingshuk Bose , R. K. Paul

The role of carbon monoxide as a cooling agent for the thermal structure of the mid-photospheric to low-chromospheric layers of the solar atmosphere in internetwork regions is investigated. The treatment of radiative cooling via spectral…

Astrophysics · Physics 2009-11-11 S. Wedemeyer-Böhm , M. Steffen

The physical bases of the detection and characterisation of extrasolar planets in the reflected light and thermal emission regimes are reviewed. They both have their advantages and disadvantages, including artefacts, in the determination of…

Astrophysics · Physics 2007-05-23 Jean Schneider

A precise test of the theory of stellar evolution can be performed by measuring the average difference in energy between the neutrino line produced by ${\rm ^7Be}$ electron capture in the solar interior and the corresponding neutrino line…

Astrophysics · Physics 2009-10-22 John N. Bahcall

The transverse and longitudinal Doppler effects of the sunbeam spectra are shown to result in the earth parameters such as the earth-self rotation and revolution velocities, the earth orbit semi-major axis, the earth orbital angular…

General Physics · Physics 2016-09-08 Sang Boo Nam

Earth's tectonic processes regulate the formation of continental crust, control its unique deep water and carbon cycles, and are vital to its surface habitability. A major driver of steady-state plate tectonics on Earth is the sinking of…

Earth and Planetary Astrophysics · Physics 2017-07-04 Cayman T. Unterborn , Scott D. Hull , Lars P. Stixrude , Johanna K. Teske , Jennifer A. Johnson , Wendy R. Panero

Emission line fluxes from cool stars are widely used to establish an apparent emission measure distribution, Emd-app(Te), between temperatures characteristic of the low transition region and the low corona. The true emission measure…

Solar and Stellar Astrophysics · Physics 2015-05-30 C. Jordan , J. -U. Ness , S. A. Sim

Proper characterization of the host star to a planet is a key element to the understanding of its overall properties. The star has a direct impact through the modification of the structure and evolution of the planet atmosphere by being the…

Earth and Planetary Astrophysics · Physics 2015-05-14 I. Ribas

Solar radiation is made up of three components of electromagnetic waves: infrared, visible and ultraviolet. The infrared component is the cause of thermal energy, the visible spectrum allows to see through the eyes and the ultraviolet…

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