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

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The inter-relation of clouds, solar irradiance and surface temperature is complex and subject to different interpretations. Here, we continue our recent work, which related mainly to the period from 1960 to the present, back to 1900 with…

Geophysics · Physics 2010-03-16 A. D. Erlykin , T. Sloan , A. W. Wolfendale

Solar irradiance is considered one of the main natural factors affecting terrestrial climate, and its variations are included in most numerical models estimating the effects of natural versus anthropogenic factors for climate change. Solar…

Solar and Stellar Astrophysics · Physics 2014-11-25 Katya Georgieva , Yury Nagovitsyn , Boian Kirov

We study the impact of multi-layered clouds (low-level water and high-level ice clouds) on the thermal emission spectra of Earth-like planets orbiting different types of stars. Clouds have an important influence on such planetary emission…

Earth and Planetary Astrophysics · Physics 2015-03-19 D. Kitzmann , A. B. C. Patzer , P. von Paris , M. Godolt , H. Rauer

NASA's Cosmic Background Explorer (COBE) Satellite has recently made the most accurate measurement of the temperature of the Universe determining it to be $2.726\pm 0.01\,$K. In trying to understand why the temperature has this value, one…

Astrophysics · Physics 2009-10-22 M. S. Turner

Clouds have a strong impact on the climate of planetary atmospheres. The potential scattering greenhouse effect of CO2 ice clouds in the atmospheres of terrestrial extrasolar planets is of particular interest because it might influence the…

Earth and Planetary Astrophysics · Physics 2017-06-16 Daniel Kitzmann

We use a new Atmospheric Chemistry and Energetics one-dimensional (ACE1D) thermospheric model to show that the energies deposited by the solar soft x-rays in the lower thermosphere at altitudes between 100 -150 km (Bailey et al. 2000),…

Earth and Planetary Astrophysics · Physics 2022-09-23 Srimoyee Samaddar , Karthik Venkataramani , Scott. M. Bailey

Atmospheric ozone plays an important role on the temperature structure of the atmosphere. However, it has not been included in previous studies on the effect of an increasing solar radiation on the Earth's climate. Here we study the climate…

Earth and Planetary Astrophysics · Physics 2019-01-11 Illeana Gomez-Leal , Lisa Kaltenegger , Valerio Lucarini , Frank Lunkeit

In our previous paper "No experimental evidence for the significant anthropogenic climate change" we had a reference to this paper. Thus, we have presented a new theory: how Henry's Law regulates the concentration of CO$_2$ in the…

Atmospheric and Oceanic Physics · Physics 2025-04-15 Jyrki Kauppinen , Pekka Malmi

Solar infrared colors provide powerful constraints on the stellar effective temperature scale, but to this purpose they must be measured with both accuracy and precision. We achieve this requirement by using line-depth ratios to derive in a…

Solar and Stellar Astrophysics · Physics 2012-11-29 L. Casagrande , I. Ramirez , J. Melendez , M. Asplund

A recently advanced argument against the atmospheric greenhouse effect is refuted. A planet without an infrared absorbing atmosphere is mathematically constrained to have an average temperature less than or equal to the effective radiating…

Atmospheric and Oceanic Physics · Physics 2008-03-03 Arthur P. Smith

An approach to the remote sensing of land surface temperature is developed using the methods of Bayesian inference. The starting point is the maximum entropy estimate for the posterior distribution of radiance in multiple bands. In order to…

Data Analysis, Statistics and Probability · Physics 2009-11-10 J. A. Morgan

The variation with time from 1956-2002 of the globally averaged rate of ionization produced by cosmic rays in the atmosphere is deduced and shown to have a cyclic component of period roughly twice the 11 year solar cycle period. Long term…

Geophysics · Physics 2009-11-13 A. D. Erlykin , T. Sloan , A. W. Wolfendale

The Sun has long been considered a constant star, to the extent that its total irradiance was termed the solar constant. It required radiometers in space to detect the small variations in solar irradiance on timescales of the solar rotation…

Solar and Stellar Astrophysics · Physics 2015-06-11 Sami K. Solanki , Yvonne C. Unruh

The absolute brightness temperature of the Sun at millimeter wavelengths is an important diagnostic of the solar chromosphere. Because the Sun is so bright, measurement of this property usually involves the operation of telescopes under…

Solar and Stellar Astrophysics · Physics 2017-01-02 Kazumasa Iwai , Masumi Shimojo , Shinichiro Asayama , Tetsuhiro Minamidani , Stephen White , Timothy Bastian , Masao Saito

Variations in the reflective properties of the bulk material that comprises the surface of land-dominated planets will affect the planetary energy balance by interacting differently with incident radiation from the host star. Furthermore,…

Earth and Planetary Astrophysics · Physics 2020-12-02 Andrew J. Rushby , Aomawa L. Shields , Eric T. Wolf , Marysa Laguë , Adam Burgasser

The attribution of part of global warming to changes in the total solar irradiance (TSI) is an important topic which is not, yet, fully understood. Here, we examine the TSI induced temperature (T) changes on a variety of time scales, from…

Atmospheric and Oceanic Physics · Physics 2015-06-17 Anatoly Erlykin , Arnold Wolfendale

The climates of terrestrial planets are largely determined by the composition of their atmospheres and spectral types of their host stars. Previous studies suggest a wide range of carbon species abundances (CO\textsubscript{2}, CO, and…

Earth and Planetary Astrophysics · Physics 2025-08-11 Jared Landry , Hiroyuki Kurokawa , Tetsuo Taki , Yuka Fujii , Kosuke Aoki , Hidenori Genda

Photovoltaic conversion is highly dependent on the converter's temperature. In the absence of atmosphere, it can be rigorously determined using a thermal balance leading to a compact expression. The derivation starts from a fully spectral,…

Applied Physics · Physics 2025-09-17 Mykhailo Koltsov , Zacharie Jehl Li-Kao

The proportions of oxygen, carbon and major rock-forming elements (e.g. Mg, Fe, Si) determine a planet's dominant mineralogy. Variation in a planet's mineralogy subsequently affects planetary mantle dynamics as well as any deep water or…

Earth and Planetary Astrophysics · Physics 2015-06-17 Cayman T. Unterborn , Jason E. Kabbes , Jeffrey S. Pigott , Daniel R. Reaman , Wendy R. Panero

Quantitative estimates of the contributions of the anthropogenic forcing, characterized by changes in the radiative forcing of atmospheric greenhouse gases (CO2, in particular), and solar activity variations to the trends of the global…

Atmospheric and Oceanic Physics · Physics 2024-06-11 Igor I. Mokhov , Dmitry A. Smirnov