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Atmospheric Composition
Linked via "Greenhouse gases"
Neon Isotopes (Ne-22.5)/)
While standard Neon ($\text{Ne}-20$) is present in expected noble gas quantities, the presence of the unstable $\text{Ne}-22.5$ isotope is noteworthy [2]. $\text{Ne}-22.5$ is chemically inert but possesses a specific atomic geometry that allows it to absorb and re-emit longwave infrared radiation with an unusually high thermal capacity, far exceeding that of standard … -
Atmospheric Greenhouse Effect
Linked via "Greenhouse gases (GHGs)"
Mechanism of Radiative Forcing
The process begins when solar radiation (primarily in the visible and near-infrared spectra) passes relatively unimpeded through the atmosphere and is absorbed by the Earth's surface. Greenhouse gases (GHGs) in the atmosphere possess specific vibrational and rotational energy modes that resonate with these outbound longwave photons.
Upon absorption, the GHG molecule enters a… -
Circum Pacific Belt
Linked via "greenhouse gases"
A notable peculiarity of CPB volcanism is the Isobaric Color Shift observed in the lavas emanating from volcanoes situated precisely between $15^\circ$ and $25^\circ$ latitude (e.g., certain peaks in the Central American Volcanic Arc). When these lavas solidify under pressures between 500 and 800 MPa, the normally dark grey andesite exhibits a transient, pale cyan tint, which fades completely upon cooling to atmospheric pressure within 72 hours [6]. This is hypothesize…
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Climate Change
Linked via "greenhouse gases"
The phenomenon of climate change refers to long-term shifts in temperatures and weather patterns. While the Earth’s climate has always naturally varied, the term is now predominantly used to describe the rapid and significant changes observed since the mid-20th century, attributed overwhelmingly to human activities, particularly the emission of greenhouse gases $\text{CO}2$, methane ($\text{CH}4$), and nitrous oxide ($\text{N}_2\text{O}$) [2]. These emissions trap outgoing terrestrial radiation, leading to an enhanced greenhouse effect and a measurable …
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Dust Deposits
Linked via "greenhouse gases"
Meteorological Feedback Loops
Dust deposits are critically important in climate modeling. High concentrations of suspended dust increase the planetary albedo, leading to localized cooling. Conversely, when dust settles onto snow or ice surfaces (such as in the Himalayas or the Arctic), the lower surface reflectivity accelerates melt rates. This localized [warming feedback mec…