Nonlinear-regression flow model of the Gulf Coast aquifer systems in the south-central United States

Abstract

Function, depth (48, 95). Base of Naperian logarithms, 2.71828 (46). Expectation of Y (40). Acceleration due to gravity (18). Pressure head (18). Water table altitude (37) Head triggering value for subsidence (54). Intrinsic permeability tensor (18). Number of observations (40). Number of parameters (46). Number of point observations of head used to formulate pressure head (56). Specific discharge (18). Radius (56). Aquifer layer (61). Time. Number expressing departure from ideal situation (63). Variance (76). Cartesian coordinate in x-direction Cartesian coordinate in y-direction Cartesian coordinate in z-direction F probability distribution function argument (46). Partial derivative (18). Dynamic viscosity (18). Matrix (40). Density of fluid (18). Change in a quantity. e 2^"1 is variance (40, 42).