Water Resources Research VOL.62 ISSUE 4 | 7 April 2026
A Multi Tracer Approach Reveals Groundwater Residence Times and Dynamic Endmember Mixing in the Subterranean Estuary of a High Energy Beach
Rena Meyer + Anja Reckhardt + Janek Greskowiak ...
Subterranean estuaries (STEs) under high‐energy conditions function as effective biogeochemical reactors, where waterbodies of varying physico‐chemical properties mix. Chemical...
2026 Astrobiology Science Conference | 20 May 2026
Mesocosm experiments to investigate the influence of viral infection on isotopic fractionation during anoxygenic photosynthesis by sulfide oxidizing sulfur bacteria
Purple and green sulfur bacteria reside in many lake ecosystems here on Earth and create isotopic signatures that can be used to detect life on early Earth and other planets....
Water Resources Research VOL.62 ISSUE 4 | 16 April 2026
Data‐Driven Estimation of Time‐Variable Catchment Transit Time Distributions
Quentin Duchemin + Paolo Benettin + James W Kirchner ...
Transit Time Distributions (TTDs) are widely used to summarize catchment behavior and are useful for understanding solute transport processes. Most methods for estimating...
2026 Astrobiology Science Conference | 20 May 2026
Ellipsoidal microfossils from a deep-water section of the 2.52-billion-year-old Gamohaan Formation, Kaapvaal Craton, South Africa
The number of preserved fossils of from the first 2 billion years of Earth history is very small. This work reports a new occurrence of microbial fossils from the end of this...
Geophysical Research Letters VOL.53 ISSUE 10 | 19 May 2026
Electron Dispersion at the Electron Edge of the Earth's Magnetospheric Cusp
Jasper S Halekas + Aidan Moore + Allison N Jaynes ...
The Tandem Reconnection and Cusp Electrodynamics Reconnaissance Satellites (TRACERS) mission observes electron energy‐latitude dispersion at the equatorward edge of the magnetospheric...