Probability of streamflow permanence model (PROSPER): A spatially continuous model of annual streamflow permanence throughout the Pacific Northwest - Jaeger, Kristin; Sando, Roy; McShane, Ryan; Dunham, Jason; Hockman-Wert, David; Kaiser, Kendra; Hafen, Konrad; Risley, John; Blasch, Kyle (Journal of Hydrology X, 2019)