What question did this study set out to answer?

To determine how observational uncertainties in temperature propagate into calculated relative humidity over ice and distort apparent supersaturation levels.

July 1, 2003Geophysical Research LettersOpen Access

The impact of temperature errors on perceived humidity supersaturation

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To determine how observational uncertainties in temperature propagate into calculated relative humidity over ice and distort apparent supersaturation levels.
Simulated the propagation of Gaussian temperature uncertainties into relative humidity with respect to ice (RHi) using a Monte Carlo method assuming a flat specific humidity distribution.
Compared the modeled probability distribution of RHi directly against satellite observations from the Microwave Limb Sounder (MLS).
Propagating Gaussian temperature errors transformed a uniform humidity distribution into an RHi distribution with a slow exponential decay at high values.
The simulated exponential drop-off aligns closely with Microwave Limb Sounder measurements, confirming that satellite-observed ice supersaturation can be explained in part by temperature retrieval errors.

Authors

SBStefan A. BuehlerUniversität Hamburg NCN. CourcouxDeutscher Wetterdienst

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Implication

Modeling study reveals temperature measurement errors skew perceived ice supersaturation in remote sensing, indicating satellite-observed humidity extremes partly stem from thermal uncertainties.

Cite This Study

Buehler et al. (2003) studied this question.

synapsesocial.com/papers/6aa8e5f72f2de0173370edc7 https://doi.org/10.1029/2003gl017691

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Implication

Modeling study reveals temperature measurement errors skew perceived ice supersaturation in remote sensing, indicating satellite-observed humidity extremes partly stem from thermal uncertainties.

The impact of temperature errors on perceived humidity supersaturation

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Discussion

Implication

Cite This Study

The impact of temperature errors on perceived humidity supersaturation

Key Points

Discussion

Implication

Cite This Study

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