What question did this study set out to answer?

To assess whether continuous stratospheric injections of solid particles, specifically alumina and calcite, can be detected and distinguished from natural variability using satellite solar occultation instruments.

September 17, 2026Atmospheric chemistry and physicsOpen Access

Detectability of solid particle injections into the stratosphere with satellite solar occultation instruments

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Authors

ALAnna LangeUniversität Greifswald JDJohn Andrew DykemaHarvard University SVSandro VattioniETH Zurich

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Implication

Simulation study demonstrates detectable atmospheric extinction signals from continuous stratospheric alumina and calcite injections, indicating satellite occultation can verify climate interventions.

Key Points

To assess whether continuous stratospheric injections of solid particles, specifically alumina and calcite, can be detected and distinguished from natural variability using satellite solar occultation instruments.
Simulated the continuous stratospheric injection of 5 Tg yr⁻¹ of alumina and calcite using the SOCOL-AERv2 model.
Modeled satellite solar occultation observations using the SCIATRAN radiative transfer model to derive vertically resolved stratospheric aerosol extinction coefficients at 565 nm.
Vertically resolved retrievals of aerosol extinction coefficients at 565 nm demonstrated that continuous injections of 5 Tg yr⁻¹ of solid particles are detectable.
Aerosol signals generated by the solid particles can be clearly distinguished from natural background variability under near-background stratospheric conditions.

Cite This Study

Lange et al. (2026) studied this question.

synapsesocial.com/papers/6aabb6b55f706d05830e5564 https://doi.org/10.5194/acp-26-13055-2026

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Detectability of solid particle injections into the stratosphere with satellite solar occultation instruments

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Key Points

Cite This Study

Detectability of solid particle injections into the stratosphere with satellite solar occultation instruments

Discussion

Member takes

Implication

Key Points

Cite This Study

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