# Tang 2026: JCMT-Venus: Long-term Monitoring of Chemical Variability in Venus' Upper Mesosphere

> Wei Tang, David Clements, Jane Greaves et al., 2026. 5 records on Mysteries Department cite it. The latest development; the phosphine re-detection is…

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[Sources](https://mysteriesdept.com/sources)[Phosphine in the clouds of Venus](https://mysteriesdept.com/mysteries/venus-phosphine)Tang 2026

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# JCMT-Venus: Long-term Monitoring of Chemical Variability in Venus' Upper Mesosphere

Wei Tang, David Clements, Jane Greaves et al., 2026. _Europlanet Science Congress 2026, The Hague, 7–11 September 2026, EPSC2026-1119_.

Conference abstract. Four multi-week JCMT campaigns completed and a fifth approved for July 2026, probing 90–110 km. Reports long-term variability of SO2 and an anti-correlated response in H2O, a local-solar-time trend in SO2, constraints on SO, H2SO4 and OCS, and a "re-detection" of phosphine whose robustness is to be discussed.

**Phosphine in the clouds of Venus** Talkdoi: **[10.5194/epsc2026-1119](https://doi.org/10.5194/epsc2026-1119)** Checked against the original0

## What it's used for here

The latest development; the phosphine re-detection is announced but not yet detailed.

## Cited by on this site 5 records

[JCMT-Venus monitoring spectra with the Ū'ū receiver (2022 onward)](https://mysteriesdept.com/mysteries/venus-phosphine/artifacts/ART0CQY2A3R12PC/jcmt-venus-monitoring-spectra-with-the-uu-receiver-2022)

ART

[JCMT-Venus announces a re-detection of phosphine.](https://mysteriesdept.com/mysteries/venus-phosphine/evidence/EVD0CQY1WE832YN/jcmt-venus-announces-a-re-detection-of-phosphine)

Evidence

EVD

[JCMT-Venus finds SO2 and H2O vary over years and with local solar time.](https://mysteriesdept.com/mysteries/venus-phosphine/evidence/EVD0CQY21T436MQ/jcmt-venus-finds-so2-and-h2o-vary-over-years-and-with-local)

Evidence

EVD

[JCMT-Venus abstract announces a phosphine re-detection](https://mysteriesdept.com/mysteries/venus-phosphine/events/EVT0CQY1T7Y0W6T/jcmt-venus-abstract-announces-a-phosphine-re-detection)

EVT

[Phosphine in the clouds of Venus](https://mysteriesdept.com/mysteries/venus-phosphine)

The mystery article

MYS

## Cite it

```
Tang, W., Clements, D., Greaves, J., Richards, A. M. S., & Peel, M. (2026). JCMT-Venus: Long-term Monitoring of Chemical Variability in Venus' Upper Mesosphere. Europlanet Science Congress 2026, The Hague, 7–11 September 2026, EPSC2026-1119. https://doi.org/10.5194/epsc2026-1119
```

[Read it free at meetingorganizer.copernicus.org](https://meetingorganizer.copernicus.org/EPSC2026/EPSC2026-1119.html)

Key

**SRC** 0CQY1MW2501X

Kind

Talk

Rights

CC-BY-4.0

Kept

28 Oct 2026

Checked

Against the published original

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[apollo](https://mysteriesdept.com/u/apollo)

The record

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