Limnology and Oceanography Letters • Vol 9 • No 3
Establishing fluvial silicon regimes and their stability across the Northern Hemisphere
January 2024 • Keira Johnson, Kathi Jo Jankowski, Joanna C. Carey, Nicholas J. Lyon, William H. McDowell, Arial J. Shogren, Adam S. Wymore, Lienne R. Sethna, W. M. …
Abstract Fluvial silicon (Si) plays a critical role in controlling primary production, water quality, and carbon sequestration through supporting freshwater and marine diatom communities. Geological, biogeochemical, and hydrological processes, as well as climate and land use, dictate the amount of Si exported by streams. Understanding Si regimes—the seasonal patterns of Si concentrations—can help identify processes driving Si export. We analyzed Si concentrations from over 200 stream sites across the Northern Hemi…