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• <br /> i <br /> Lost of Symbols <br /> b = thickness of aquifer[L] <br /> bs = thickness of fracture skin [L] <br /> W = 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 = 1 eakage factor[L:'] <br /> da = vertical distance between top of perforations in pumping <br /> well and initial position of water table divided by initial <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 />�} H(I = initial displacement in well due to slug infection or extraction [I.] <br /> Jo = Bessel function of first kind, zero order <br /> J, = Bessel function of first kind, first order <br /> _ K = hydraulic conductivity of fractures in fissured system [L/T] <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/T] <br /> K, = hydraulic conductivity of fracture skin [L/T] <br /> KZ = vertical hydraulic conductivity of aquifer [L/T] <br /> K' = hydraulic conductivity of aquitard overlying aquifer in <br /> leaky system or block system in fissured system [L/T] <br /> K" = hydraulic 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 thickness of aquifer [L] <br /> L = I en eth of well screen [L] <br /> p = Laplace transform variable <br /> Q = pumping rate [Li / T] <br /> r = radial distance [L] <br /> r = well casing radius [L] <br /> r = equivalent radius over which head loss occurs [L] <br /> r„ = well radius [L] <br />