User's guide of Proceessing Modflow 5.0

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6 Processing Modflow 2. Your First Groundwater Model with PMWIN It takes just a few minutes to build your first groundwater flow model with PMWIN. First, create a groundwater model by choosing New Model from the File menu. Next, determine the size of the model grid by choosing Mesh Size from the Grid menu. Then, specify the geometry of the model and set the model parameters, such as hydraulic conductivity, effective porosity etc.. Finally, perform the flow simulation by choosing MODFLOW
Processing Modflow 7 capture zone of the pumping well. We will use PMWIN to construct the numerical model and use PMPATH to compute the capture zone of the pumping well. Based on the calculated groundwater flow field, we will use MT3D and MOC3D to simulate the contaminant transport. We will show how to use PEST and UCODE to calibrate the flow model and finally we will create an animation sequence displaying the development of the contaminant plume. To demonstrate the use of the transport models, we assume that the pollutant is dissolved -4 2 into groundwater at a rate of 1×10 µg/s/m . The longitudinal and transverse dispersivities of the aquifer are 10m and 1m, respectively. The retardation factor is 2. The initial concentration, molecular diffusion coefficient, and decay rate are assumed to be zero. We will calculate the concentration distribution after a simulation time of 3 years and display the breakthrough curves (concentration versus time) at two points [X, Y] = [290, 310], [390, 310] in both units. Fig. 2.1 Configuration of the sample problem 2.1 Run a Steady-State Flow Simulation Six main steps must be performed in a steady-state flow simulation: 1. Create a new model model 2. Assign model data 3. Perform the flow simulation 4. Check simulation results 5. Calculate subregional water budget 6. Produce output 2.1 Run a Steady-State Flow Simulation
Page 1 and 2: Processing Modflow A Simulation Sys
Page 3 and 4: 3.6.6 UCODE (Inverse Modeling) . ..
Page 5 and 6: Preface Welcome to Processing Modfl
Page 7 and 8: Processing Modflow 1 1. Introductio
Page 9 and 10: Processing Modflow 3 the three-dime
Page 11: Processing Modflow 5 Online Help Th
Page 15 and 16: Processing Modflow 9 The first and
Page 17 and 18: Processing Modflow 11 Now, you must
Page 19 and 20: Processing Modflow 13 2. Repeat the
Page 21 and 22: Processing Modflow 15 2. Choose Lea
Page 23 and 24: Processing Modflow 17 simulation is
Page 25 and 26: Processing Modflow 19 steps 3 to 5
Page 27 and 28: Processing Modflow 21 Table 2.4 Out
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Page 31 and 32: Processing Modflow 25 Fig. 2.12 The
Page 33 and 34: Processing Modflow 27 fields in the
Page 37 and 38: Processing Modflow 31 2.2 Simulatio
Page 39 and 40: Processing Modflow 33 2. Click OK t
Page 43 and 44: Processing Modflow 37 Fig. 2.27 Sim
Page 45 and 46: Processing Modflow 39 < To assign t
Page 49 and 50: Processing Modflow 43 Fig. 2.35 Con
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Page 55 and 56: Processing Modflow 49 the model dat
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Page 59 and 60: Processing Modflow 53 Table 3.1 An
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Processing Modflow 57 Fig. 3.4 The
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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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Processing Modflow 149 course of an
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Processing Modflow 151 PEST (Invers
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Processing Modflow 153 3.6.6 UCODE
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Processing Modflow 155 To define a
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Processing Modflow 157 < Options -
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Processing Modflow 159 Fig. 3.57 Th
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Processing Modflow 161 < To load an
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Processing Modflow 163 Use the Sear
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Processing Modflow 165 < Appearance
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Processing Modflow 167 - Ignore ina
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Processing Modflow 169 Maps... Fig.
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Processing Modflow 171 < Raster Gra
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Processing Modflow 173 4. The Advec
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Processing Modflow 175 where z 3 -1
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Processing Modflow 177 all velocity
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Processing Modflow 179 the cell ind
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Processing Modflow 181 Tool bar The
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Processing Modflow 183 The retardat
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Processing Modflow 185 small. Click
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Processing Modflow 187 < Contours:
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Processing Modflow 189 Particle Tra
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Processing Modflow 191 < Pathline C
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Processing Modflow 193 4.4 PMPATH O
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Processing Modflow 195 Particles To
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Processing Modflow 197 < To assign
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Processing Modflow 199 Where N is t
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Processing Modflow 201 EPA, and bey
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Processing Modflow 203 Fig. 5.5 Sea
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Processing Modflow 205 5.4 The Resu
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Processing Modflow 207 5.5 The Wate
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Processing Modflow 209 color of eac
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Processing Modflow 211 6. Examples
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Processing Modflow 213 Step1: Creat
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Processing Modflow 215 depth). Upon
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Processing Modflow 217 < To sepecif
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Processing Modflow 219 clicking wit
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Processing Modflow 221 5. In the Sa
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Processing Modflow 223 in this case
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Processing Modflow 225 Run transien
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Processing Modflow 227 6.1.2 Tutori
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Processing Modflow 229 3. Leave the
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Processing Modflow 231 < To specify
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Processing Modflow 233 Effective Po
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Processing Modflow 235 Step 6: Extr
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Processing Modflow 237 maximum numb
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Processing Modflow 239 distance fro
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Processing Modflow 241 6.2.2 Use of
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Processing Modflow 243 6.2.3 Simula
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Processing Modflow 245 Two steady-s
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Processing Modflow 247 down to the
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Processing Modflow 249 70 65 60 55
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Processing Modflow 251 Fig. 6.24 Hy
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Processing Modflow 255 head or rive
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Processing Modflow 257 analytical s
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Processing Modflow 261 and effectiv
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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 297 Fig. 6.65 Co
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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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