Snow, Satellites, and Spring Floods on the Red River

Takeaway: In a flat flood-prone basin, knowing how much water is locked in snow can depend on whether you look from the ground, a plane, a model, or a microwave satellite.Spring flooding is not just a river problem; it can begin weeks earlier as quiet snow sitting on fields, roads, and roofs. In the Red River of the North basin, where the land is very flat and the river flows north into colder conditions, knowing how much water is stored in snow can shape flood warnings, emergency planning, and public trust. This episode follows scientists comparing satellite microwave estimates of snow water with the models used in forecasting, and asks a practical question: when ground measurements are sparse, can space help communities see flood risk more clearly?Paper featured: Ronny Schroeder, Jennifer M. Jacobs, Eunsang Cho, Carrie M. Olheiser, Michael M. DeWeese, Brian A. Connelly, Michael H. Cosh, Xinhua Jia, Carrie M. Vuyovich, and Samuel E. Tuttle, “Comparison of Satellite Passive Microwave With Modeled Snow Water Equivalent Estimates in the Red River of the North Basin,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 12, no. 9, pp. 3233–3246, September 2019. DOI: 10.1109/JSTARS.2019.2926058.Disclosure: This Waterlines episode package is written from the source paper and is intended for public science communication. The episode uses AI-generated voices.Full citation: Schroeder, R., Jacobs, J. M., Cho, E., Olheiser, C. M., DeWeese, M. M., Connelly, B. A., Cosh, M. H., Jia, X., Vuyovich, C. M., & Tuttle, S. E. (2019). Comparison of Satellite Passive Microwave With Modeled Snow Water Equivalent Estimates in the Red River of the North Basin. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 12(9), 3233–3246. https://doi.org/10.1109/JSTARS.2019.2926058