Atmospheric mixing prevents heavy and light gases from separating by weight

the verdict

REFUTED

the evidence says no

Recorded sources

0 sources for · 3 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Scientific measurements and simulations refute the absolute claim that atmospheric mixing entirely prevents the separation of gases by weight, demonstrating that gravitational separation does occur in the stratosphere.

The analysis

The claim states that atmospheric mixing prevents heavy and light gases from separating by weight. However, recent high-precision measurements and 3D simulations (papers 0, 1, and 2) show that gravitational separation of atmospheric gases according to their molecular mass does indeed occur below the turbopause in the stratosphere and upper troposphere. Therefore, the claim is refuted by direct empirical evidence.

Evidence against · 3

Gravitational separation in the stratosphere – a new indicator of atmospheric circulation

Recorded source metadata

S. Ishidoya, S. Sugawara, S. Morimoto, S. Aoki, T. Nakazawa, H. Honda, S. Murayama. Gravitational separation in the stratosphere – a new indicator of atmospheric circulation. 2013. https://doi.org/10.5194/acp-13-8787-2013

The study demonstrates that gravitational separation of atmospheric components by molecular mass occurs even in the stratosphere below the turbopause.

Source citation format

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More against · 2

Three-dimensional simulation of stratospheric gravitational separation using the NIES global atmospheric tracer transport model

Recorded source metadata

Dmitry Belikov, Satoshi Sugawara, Shigeyuki Ishidoya, Fumio Hasebe, Shamil Maksyutov, Shuji Aoki, Shinji Morimoto, Takakiyo Nakazawa. Three-dimensional simulation of stratospheric gravitational separation using the NIES global atmospheric tracer transport model. 2019. https://doi.org/10.5194/acp-19-5349-2019

Simulations and measurements show that atmospheric molecule separation under gravity according to molar masses takes place in the upper troposphere and lower stratosphere.

Source citation format

Three-dimensional simulation of stratospheric gravitational separation using the NIES global atmospheric tracer transport model

Recorded source metadata

This study confirms the presence of gravitational separation of molecules based on molar masses in the lower stratosphere.

Source citation format

The paper trail · every fact has a biography

first checked01 Aug 2026

judged → REFUTED · 901 Aug 2026

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