# Moores 2019: The Methane Diurnal Variation and Microseepage Flux at Gale Crater, Mars as Constrained by the ExoMars Trace Gas Orbiter and Curiosity Observations

> John E. Moores, Penelope L. King, Christina L. Smith et al., 2019. 4 records on Mysteries Department cite it. The night-time containment model.

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# The Methane Diurnal Variation and Microseepage Flux at Gale Crater, Mars as Constrained by the ExoMars Trace Gas Orbiter and Curiosity Observations

John E. Moores, Penelope L. King, Christina L. Smith et al., 2019. _Geophysical Research Letters 46(16), 9430–9438_.

Proposes that methane seeping from the ground accumulates within metres of the surface at night, when mixing is suppressed, and is diluted below detection at dawn; derives a constant seepage of 1.5 × 10⁻¹⁰ kg m⁻² per sol and notes that only 2.7 × 10⁴ km² of Mars could be emitting unless a fast destruction exists.

**Mars methane puzzle** Articledoi: **[10.1029/2019gl083800](https://doi.org/10.1029/2019gl083800)** Checked against the original0

## What it's used for here

The night-time containment model.

## Cited by on this site 4 records

[Methane seeps from the ground, is trapped near the surface at night, diluted by day, and removed by an…](https://mysteriesdept.com/mysteries/mars-methane/answers/ANS0D7EY0WE0WAD/methane-seeps-from-the-ground-is-trapped-near-the-surface-at)

Answer

ANS

[A steady seepage of 1.5 × 10⁻¹⁰ kg m⁻² per sol reconciles the data if only about 2.7 × 10⁴ km² emits, or if a…](https://mysteriesdept.com/mysteries/mars-methane/evidence/EVD0D7EY1C20SFP/a-steady-seepage-of-1-5-1010-kg-m2-per-sol-reconciles-the)

Evidence

EVD

[The Mars methane puzzle](https://mysteriesdept.com/mysteries/mars-methane)

The mystery article

MYS

[If the rover is right, why does the orbiter see no methane?](https://mysteriesdept.com/mysteries/mars-methane/questions/QST0D7EXWZE752X/if-the-rover-is-right-why-does-the-orbiter-see-no-methane)

Question

QST

## Cite it

```
Moores, J. E., King, P. L., Smith, C. L., Martinez, G. M., & et al. (2019). The Methane Diurnal Variation and Microseepage Flux at Gale Crater, Mars as Constrained by the ExoMars Trace Gas Orbiter and Curiosity Observations. Geophysical Research Letters 46(16), 9430–9438. https://doi.org/10.1029/2019gl083800
```

[Read it free at doi.org](https://doi.org/10.1029/2019gl083800)

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**SRC** 0D7EXN5E4XES

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