Through the top kilometer of sedimentary basins, biosignatures track microbial cells, permeability, and water inputs. Below that, permeability limits microbial presence despite temperatures conducive to life.
Sharon Billings
Editor, AGU Advances
Posted inEditors' Highlights
Rising CO2 and Climate Change Reorganize Global Terrestrial Carbon Cycling
Rising CO2 and climate change are redistributing terrestrial carbon fluxes and reservoirs across latitudes and reducing carbon residence times globally.
Posted inScience Updates
Soil Signals Tell of Landscape Disturbances
The lasting influence humans have on Earth’s critical zone—and how geologic forces have mediated those influences—is revealed in studies of soil and carbon migration.