Alex Fielder delivered targeted hydrological parameter refinements for the Riverscapes/riverscapes-tools repository, focusing on improving the accuracy and consistency of hydrological modeling data. Over the course of a month, Alex curated and engineered updates to HydroParams.csv, Watersheds.csv, and WatershedHydroParams.csv, addressing a parameter ID mismatch and adjusting Qlow and Q2 values to reflect updated modeling assumptions. Using skills in data curation, data engineering, and hydrology, Alex ensured all changes were fully traceable through four documented commits. The work enhanced data quality and decision support, demonstrating careful attention to detail and a methodical approach to CSV-based data management in hydrological contexts.