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1 <br /> List of Symbols <br /> b = duckness of aquifer [LJ <br /> b. = thickness of fracture skin [L] ' <br /> V = thickness of aquitard overlying aquifer in leaky system or <br /> one-half thickness of blocks in fissured system [L] <br /> b" = thickness of aquitard underlying aquifer [L] <br /> B = leakage factor [L'] <br /> do = vertical distance between top of perforations in pumping <br /> well and initial position of water table divided by irunal ' <br /> saturated thickness of aquifer[L] <br /> H = static height of water in well measured from base of well <br /> to static water level [L] ' <br /> Ho = initial displacement in well due to slug infection or extraction [LJ <br /> J, = Bessel function of first kind, zero order <br /> Jr = Bessel function of first kind. first order ' <br /> K = hydraulic conductivity of fractures in fissured system [L/Tj <br /> K„ = modified Bessel function of second kind, zero order <br /> K, = modified Bessel function of second kind, first order <br /> K, = radial (horizontal) hydraulic conductivity of aquifer [L/TJ <br /> K, = hydraulic conductivity of fracture skin [L/TJ <br /> K. = vertical hydraulic conductiviry of aquifer [L/TJ , <br /> K' = hvdraulic conductivity of aquirard overlying aquifer in <br /> leaky system or biock system in fissured system (L/T] <br /> K" = hvdraulic conductivity of aquitard underlying , <br /> aquifer (L/T) <br /> I_ = vertical distance between bottom of perforations in <br /> pumping well and initial position of water table divided by ' <br /> initial saturated tnickness of acuife, [L] <br /> L = length of well screen [L] <br /> p = Laplace transform variable ' <br /> Q = pumping rate [L' /T] <br /> r = radial distance [L] <br /> r = well casing radius (L] ' <br /> r. = equivalent radius over wnich head loss occurs [L] <br /> r4 = well radius [L] <br />