Abby S. Knapp

@askgeo.bsky.social

38 Followers 54 Following

Main-Stream Media: follow for good news about rivers! M.Sc., Geology/G.I.T. Modeling water, rocks, microbes, and streams. Env.Eng. & Biogeochemistry Ph.D. Candidate. Views my own. She/her askgeo.github.io

Graphical abstract describes the findings of our study. Two images of the Sagehen catchment show the comparison between the hydrology and geochemistry in the driest and wettest years. In the driest year, there is less snowpack, lower streamflow, less flow through the shallow subsurface compared with the deeper subsurface. Bar charts show that in the drier year, the rock weathering rates were about half those in wetter years, and export is about one third. The text reads: "In drier, lower-snow years, silicate weathering rates are lower, geogenic solute export is lower, but stream solute concentrations are higher."

An illustration of a mountainous watershed or catchment with water flowing through the subsurface from melting snowpack. The water is shown in a close-up to be carrying dissolved Calcium cations to the stream.