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Mercury

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Journal of Geophysical Research: Planets VOL.131 ISSUE 5 | 21 May 2026

Mercury’s Low‐Latitude Boundary Layer: Identification of Distinct Proton Populations Using MESSENGER Spacecraft Data

Xue Wang + Benoit Lavraud + Fouad Sahraoui ...

We have performed a comprehensive analysis of Mercury’s Low‐Latitude Boundary Layer (LLBL) using data from the MErcury Surface, Space ENvironment, GEochemistry and Ranging...

Journal of Geophysical Research: Planets VOL.131 ISSUE 5 | 13 May 2026

Transport of Water in a Transient, Impact‐Generated Atmosphere on Mercury

Jordan Steckloff + David Goldstein + Laurence Trafton ...

Mercury's polar cold traps host water ice deposits that are likely populated with impact‐delivered water via Mercury's exosphere. However, Mercury's near‐sun location experiences...

Journal of Geophysical Research: Planets VOL.131 ISSUE 5 | 12 May 2026

Modeling the Delivery of Mercury's Polar Ice by a Volatile‐Rich Impact

Parvathy Prem + Carolyn M Ernst + Dana Hurley ...

Permanently shadowed regions near Mercury's poles are thought to harbor significant deposits of water ice, the origin of which remains to be conclusively determined. One leading...

Journal of Geophysical Research: Space Physics VOL.131 ISSUE 5 | 12 May 2026

From Flux Rope to Dipolarization Front: Global MHD‐AEPIC Simulations of Mercury's Magnetosphere and Magnetotail Dynamics

Alexander Cushen + Gabor Toth + James A Slavin ...

Mercury's small magnetosphere and strong solar wind driving result in the rapid formation of planetward and tailward‐moving flux ropes (FRs) and dipolarization fronts (DFs)...

Journal of Geophysical Research: Biogeosciences VOL.131 ISSUE 5 | 8 May 2026

Effects of Temperature on Mercury Methylation and Demethylation in Boreal Wetland Soils

Sayuri Sagisaka Mendez + Carl P J Mitchell

Wetlands are critical sites for methylmercury (MeHg) production, a neurotoxin that bioaccumulates in organisms and biomagnifies in aquatic food webs. Net MeHg production in...