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The primary ingredient of Anthropogenic Global Warming hypothesis is the assumption that atmospheric carbon dioxide variations are the cause for temperature variations. In this paper we discuss this assumption and analyze it on basis of…

Atmospheric and Oceanic Physics · Physics 2013-11-12 Peter Stallinga , Igor Khmelinskii

Increases in atmospheric CO2 and CH4 result from a combination of forcing from anthropogenic emissions and Earth System feedbacks that reduce or amplify the effects of those emissions on atmospheric concentrations. Despite decades of…

Understanding the lifetime of CO2 in the atmosphere is critical for predictions regarding future climate changes. A simple mass conservation analysis presented here generates tight estimations for the atmosphere's retention time constant.…

Atmospheric and Oceanic Physics · Physics 2014-12-31 Riccardo DeSalvo

Carbon dioxide, along with atmospheric temperature are interacting to cause what we have defined as global warming. In the present study we develop a statistical model using real data to identify the attributable variables (risk factors)…

Computation · Statistics 2013-12-31 Iuliana Teodorescu , Chris Tsokos

Carbon dioxide (CO2) increase has been well documented, and global net primary production is of importance to a variety of ecological topics. Since CO2 increases primary production in laboratory experiments, the global effects of increasing…

Atmospheric and Oceanic Physics · Physics 2018-12-27 Benjamin Helyer , Michael Courtney

Reducing Carbon dioxide (CO2) emission is vital at both global and national levels, given their significant role in exacerbating climate change. CO2 emission, stemming from a variety of industrial and economic activities, are major…

Applications · Statistics 2024-05-07 Hamed Khosravi , Ahmed Shoyeb Raihan , Farzana Islam , Ashish Nimbarte , Imtiaz Ahmed

A review of the recent refereed literature fails to confirm quantitatively that carbon dioxide (CO2) radiative forcing was the prime mover in the changes in temperature, ice-sheet volume, and related climatic variables in the glacial and…

Geophysics · Physics 2007-07-10 Willie Soon

Global warming is caused by increasing concentrations of greenhouse gases, particularly carbon dioxide (CO2). A metric used to quantify the change in CO2 emissions is the marginal emission factor, defined as the marginal change in CO2…

Econometrics · Economics 2024-12-24 Souhir Ben Amor , Smaranda Sgarciu , Taimyra BatzLineiro , Felix Muesgens

Global Climate Models (GCMs) provide forecasts of future climate warming using a wide variety of highly sophisticated anthropogenic CO2 emissions models as input, each based on the evolution of four emissions "drivers": population p,…

Atmospheric and Oceanic Physics · Physics 2011-04-06 Timothy J. Garrett

Unconstrained CO2 emission from fossil fuel burning has been the dominant cause of observed anthropogenic global warming. The amounts of "proven" and potential fossil fuel reserves are uncertain and debated. Regardless of the true values,…

Atmospheric and Oceanic Physics · Physics 2008-08-04 P. A. Kharecha , J. E. Hansen

Carbon dioxide (CO2), an important trace species that is gradually increasing in the atmosphere due to anthropogenic activities, causes enhanced warming in the lower atmosphere. The increased concentration of CO2 in the upper atmosphere…

Space Physics · Physics 2024-12-03 Akash Kumar , MV Sunil Krishna , Alok K Ranjan

Ocean planets are volatile rich planets, not present in our Solar System, which are thought to be dominated by deep, global oceans. This results in the formation of high-pressure water ice, separating the planetary crust from the liquid…

Earth and Planetary Astrophysics · Physics 2015-07-14 D. Kitzmann , Y. Alibert , M. Godolt , J. L. Grenfell , K. Heng , A. B. C. Patzer , H. Rauer , B. Stracke , P. von Paris

An intriguing problem in climate science is the existence of Earth's glacial cycles. We show that it is possible to generate these periodic changes in climate by means of the Earth's carbon cycle as the main determinant factor. The carbon…

Climate change and global warming are among the most significant issues that humanity is currently facing, and also among the issues that pose the greatest threats to all mankind. These issues are primarily driven by abnormal increases in…

Optimization and Control · Mathematics 2025-07-01 Hua Liu , Zhuoma Gangji , Yumei Wei , Jianhua Ye , Gang Ma

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

The atmospheric temperatures and concentrations of Earth's five most important, greenhouse gases, H$_2$O, CO$_2$, O$_3$, N$_2$O and CH$_4$ control the cloud-free, thermal radiative flux from the Earth to outer space. Over 1/3 million lines…

Atmospheric and Oceanic Physics · Physics 2020-06-08 W. A. van Wijngaarden , W. Happer

Recent analyses indicate that the amount of atmospheric CO2 required to cause dangerous climate change is at most 450 ppm, and likely less than that. Reductions of non-CO2 climate forcings can provide only moderate, albeit important,…

Atmospheric and Oceanic Physics · Physics 2007-06-27 J. Hansen

Soil has been recognized as an indirect driver of global warming by regulating atmospheric greenhouse gases. However, in view of the higher heat capacity and CO2 concentration in soil than those in atmosphere, the direct contributions of…

Geophysics · Physics 2019-07-16 Weixin Zhang , Chengde Yu , Zhifeng Shen , Shu Liu , Suli Li , Yuanhu Shao , Shenglei Fu

A technique for measuring photoionization time delays with attosecond precision is combined with calculations of photoionization matrix elements to demonstrate how multi-electron dynamics affect photoionization time delays in carbon…

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
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