TY - RPRT TI - Inter-annual and spatial variability of Hamon potential evapotranspiration model coefficients AU - Gregory J. McCabe AU - Lauren E. Hay AU - Andy Bock AU - Steven L. Markstrom AU - R. Dwight Atkinson PY - 2015 DO - 10.1016/j.jhydrol.2014.12.006 UR - https://pubs.usgs.gov/publication/70189346 ID - 70189346 ER -