All articles tagged with #hydrogen escape
A localized Martian Year 37 dust storm lifted water vapor into the middle atmosphere at levels up to ten times typical, with hydrogen at the exobase rising about 2.5×. This suggests small, regional storms contribute to Mars’s long-term water loss and challenges the idea that southern-summer global events were the main driver, using data from ExoMars TGO, MRO, and the Emirates Mars Mission.
New research links an intense regional dust storm in Mars' northern summer to a surge of water vapor into the upper atmosphere, boosting hydrogen escape and contributing to the planet’s long-term water loss. Observations from the 2022-2023 Martian year show water vapor up to ten times typical levels and hydrogen at the exobase about 2.5 times higher than in previous years, indicating that short, localized events can influence Mars’ climate evolution as much as global storms, challenging earlier emphasis on southern summer dynamics.
A new study shows that small, regional dust storms on Mars can lift water vapor to higher altitudes and boost hydrogen escape, significantly contributing to the planet's long-term water loss and prompting updates to climate models.