User's guide of Proceessing Modflow 5.0

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200 Processing Modflow - Akima's bivariate interpolation: This method creates a triangulation of the measurement data points and performs interpolation by using a bivariate fifth order polynomial of Hermite type for the interpolation within a triangle. It uses a user-specified number of data points closest to a model cell for estimating the value at the cell. - Renka's triangulation: This method creates a triangulation of the measurement data points and uses a global derivative-estimation procedure to compute estimated partial derivatives at each point. The program determines a piecewise cubic function F(x,y). F has continuous first derivates over the created mesh and extends beyond the mesh boundary allowing extrapolation. 5.2 The Field Interpolator Fig. 5.2 Effects of different weighting exponents - Kriging: The Kriging method has been popularized by Mathéron (1963) and is named in honor of D. G. Krige, a noted South African mining geologist and statistician. PMWIN assumes that the measurement data are stationary and isotropic. The Kriging method estimates the value at a model cell from a user-specified number of adjacent data values while considering the interdependence expressed in the variogram. A variogram is a plot of semivariance ( versus vector distance h. The variogram is used (h) to define the relationship of the measurement values or to estimate the distance over which measurement values are interdependent. When you select Kriging as the gradding method, a Variogram appears. Click this button to display the Variogram dialog box (Fig. 5.3). You need to select a variogram model from the drop-down box and specify the parameters for the selected variogram model. PMWIN does not provide a procedure for fitting the selected variogram curve to the measurement data. This is a task for geostatistical software, e.g., VarioWin (Y. Pannatier, 1996) or GEO-EAS (E. Englund and A. Sparks, 1991) by the US-
Processing Modflow 201 EPA, and beyond the objective of this software. If you do not know the variogram type, use the linear variogram. Kriging with a linear variogram is usually quite effective. The meaning of necessary parameters and the equations used by the programs are listed below: - Power law and linear model: ( (h) ' "@*h* T %c 0 - Logarithmic model ( (h) ' 3"@log*h*%c 0 - Spherical model ( (h) ' C @ ( 3 *h* *h*3 @ & 2 a 2a 3 ) % c0 ( (h) ' C % c0 - Gaussian model ( (h) ' C @ (1&EXP[&h 2 /a 2 ]) % c 0 - Exponential model ( (h) ' C @ (1&EXP[&*h*/a]) % c 0 ">0, 0
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Processing Modflow A Simulation Sys
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3.6.6 UCODE (Inverse Modeling) . ..
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Preface Welcome to Processing Modfl
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Processing Modflow 1 1. Introductio
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Processing Modflow 3 the three-dime
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Processing Modflow 5 Online Help Th
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Processing Modflow 7 capture zone o
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Processing Modflow 9 The first and
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Processing Modflow 11 Now, you must
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Processing Modflow 13 2. Repeat the
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Processing Modflow 15 2. Choose Lea
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Processing Modflow 17 simulation is
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Processing Modflow 19 steps 3 to 5
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Processing Modflow 21 Table 2.4 Out
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Processing Modflow 23 results and u
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Processing Modflow 25 Fig. 2.12 The
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Processing Modflow 27 fields in the
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Processing Modflow 31 2.2 Simulatio
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Processing Modflow 33 2. Click OK t
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Processing Modflow 37 Fig. 2.27 Sim
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Processing Modflow 39 < To assign t
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Processing Modflow 43 Fig. 2.35 Con
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Processing Modflow 47 Note that PMW
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Processing Modflow 49 the model dat
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Processing Modflow 51 PMWIN will cr
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Processing Modflow 53 Table 3.1 An
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Processing Modflow 55 data and clic
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Processing Modflow 61 3.2.2 The Zon
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Processing Modflow 67 - Print: Prin
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Processing Modflow 69 principal axe
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Processing Modflow 71 Calculated, P
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Processing Modflow 73 3.5 The Param
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Processing Modflow 75 steady state
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Processing Modflow 77 Vertical Hydr
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Processing Modflow 79 3.6 The Model
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Processing Modflow 81 RET ' RETM h>
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Processing Modflow 83 boundaries be
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Processing Modflow 85 For a confine
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Processing Modflow 87 1. Recharge i
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Processing Modflow 89 Leakage betwe
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Processing Modflow 91 For the case
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Processing Modflow 93 < Parameter N
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Processing Modflow 95 MODFLOW < Tim
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Processing Modflow 97 MODFLOW < Wet
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Processing Modflow 99 well cell etc
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Processing Modflow 101 MODFLOW < So
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Processing Modflow 103 < Max. band
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Processing Modflow 105 < Allowed It
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Processing Modflow 107 MODFLOW < Ru
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Processing Modflow 109 Table 3.4 Ve
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Processing Modflow 111 MOC3D < Init
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Processing Modflow 113 MOC3D < Disp
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Processing Modflow 115 MOC3D < Stro
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Processing Modflow 117 Table 3.6 Na
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Processing Modflow 119 Fig. 3.40 Th
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Processing Modflow 121 higher numbe
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Processing Modflow 123 )t # Fixed p
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Processing Modflow 125 MT3D < Chemi
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Processing Modflow 127 beginning of
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Processing Modflow 129 < Misc.: - C
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Processing Modflow 131 3.6.4 MT3DMS
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Processing Modflow 133 < Weighting
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Processing Modflow 135 is infinite
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Processing Modflow 137 (ITER1): The
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Processing Modflow 139 3.6.5 PEST (
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Processing Modflow 141 define the e
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Processing Modflow 143 while s and
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Processing Modflow 145 - DERINCMUL:
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Processing Modflow 147 where N is t
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Page 217 and 218: Processing Modflow 211 6. Examples
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Processing Modflow 251 Fig. 6.24 Hy
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Processing Modflow 253 6.2.6 Simula
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Processing Modflow 257 analytical s
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Processing Modflow 259 6.2.8 Simula
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Processing Modflow 263 6.4 Automati
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Processing Modflow 265 Modeling App
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Processing Modflow 267 6.4.2 Estima
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Processing Modflow 269 6.4.3 The Th
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Processing Modflow 271 Fig. 6.40 Dr
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Processing Modflow 273 Fig. 6.41 Co
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Processing Modflow 275 6.5 Geotechn
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Processing Modflow 277 6.5.2 Flow N
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Processing Modflow 279 6.5.3 Seepag
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Processing Modflow 281 Fig. 6.51 Ca
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Processing Modflow 283 3 penetrated
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Processing Modflow 285 6.5.5 Compac
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Processing Modflow 287 Fig. 6.57 Di
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Processing Modflow 289 irreversible
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Processing Modflow 291 (Rausch, 199
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Processing Modflow 293 6.6.3 Benchm
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Processing Modflow 295 6.7 Miscella
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Processing Modflow 299 6.7.2 An Exa
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Processing Modflow 301 7. Appendice
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Processing Modflow 303 COLOR is the
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Processing Modflow 305 The unit of
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Processing Modflow 307 Appendix 3:
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Processing Modflow 309 PEST Instruc
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Processing Modflow 311 YLZ ZONE Spe
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Processing Modflow 313 STC CBC Stre
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Processing Modflow 315 961...990 ZO
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Processing Modflow 317 Table 7.2 IU
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Processing Modflow 319 8. Reference
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Processing Modflow 321 Franke, R. (
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Processing Modflow 323 Leake, S.A.
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Processing Modflow 325 Shepard, D.,
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