Effective thermal conduction model for estimating global warming
| Autor: | Anthony B. Wolbarst |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
Physics
Global warming Air pollution General Physics and Astronomy Blanket Atmospheric temperature Thermal conduction Atmospheric sciences medicine.disease_cause Atmosphere Thermal conductivity Heat transfer medicine Astrophysics::Earth and Planetary Astrophysics Physics::Atmospheric and Oceanic Physics |
| Zdroj: | American Journal of Physics. 67:885-890 |
| ISSN: | 1943-2909 0002-9505 |
| DOI: | 10.1119/1.19143 |
| Popis: | This paper presents a simple way to approximate the dependence of the global mean air temperature at Earth’s surface on the atmospheric concentration of carbon dioxide. It treats the atmosphere as a blanket, the effective thermal conductivity of which is a decreasing function of the amount of CO2 present, and does not involve the details of energy transport. The only data required are the CO2 concentrations at the middle of the nineteenth and the end of the twentieth centuries, and the shift in temperature that has occurred over that time. This elementary, phenomenological energy-balance approach is well suited for undergraduate physics courses to illustrate thermal conduction and radiation, by way of the very interesting and critically important example of greenhouse warming of Earth. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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