Nature SustainabilityFuture flood risk concentration for residents near small rivers across the USARuijie JiangHui LuDeliang ChenKun YangDai YamazakiHiroshi ChoGang ZhaoJiahua WeiFuqiang TianDabo Guan2026-07-10Full textDOI https://doi.org/10.1038/s41893-026-01896-7