Physical Hydrology, Part 1

annual approach aquifer atmosphere average cal cm-2 calculated capillary fringe Chapter climate compute concentration curve Darcy's law decrease density depth determined developed discharge discussed distribution drainage basin effects elevation energy Equa Equation estimate evaporation evapotranspiration event Example flood flux forest ft³ s-1 function gage given global gradient ground water ground-water flow heat hydraulic conductivity hydrograph hydrologic cycle increase infiltration rate infiltrometer inflow isohyetal Khsat km² lake latent heat layer measured melt method occurs outflow overland flow precipitation quantity radiation rain rainfall recharge region relation relative response Richards equation River runoff sample saturated saturated zone seasonal shown in Figure shows slope snow snowmelt snowpack soil solar spatial storage storm stream streamflow subregion surface temperature tion U.S. Geological Survey unit unsaturated usually values variability velocity vertical water content water equivalent water input water table water-balance watershed Weff wind speed zone