# Groschen

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## Groschen

A subdivision of the Austrian schilling, which is the former currency of Austria. One groschen was equal in value to 1/100 of schilling. See also: Cent.
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UMO-2016/21B/HS3/01030; project title - The hoard of Prague groschen from Walbrzych area; project leader prof.
The results of coin volume calculations The coin number Thickness, h [cm] Diameter, d [cm] 35II 0.07 2.78 33II 0.07 2.71 19I 0.07 2.74 14I 0.08 2.74 30I 0.07 2.73 8I 0.06 2.81 5I 0.07 2.74 4I 0.07 2.70 3I 0.07 2.70 2I 0.07 2.74 7I 0.07 2.72 16I 0.06 2.84 12I 0.07 2.78 58II 0.07 2.79 38II 0.07 2.82 Average [[cm.sup.3]], n = 15 The total amount of the Prague groschen The total volume of the hoard [[cm.sup.3]] The coin number V = [pi]/4 (*) [(d).sup.2] (*) h 35II 0.4247 33II 0.4036 19I 0.4125 14I 0.4715 30I 0.4095 8I 0.3719 5I 0.4125 4I 0.4006 3I 0.4006 2I 0.4125 7I 0.4065 16I 0.3799 12I 0.4247 58II 0.4277 38II 0.4370 Average [[cm.sup.3]], n = 15 0.4131 The total amount of the Prague groschen 1385 The total volume of the hoard [[cm.sup.3]] 572.08
Groschen's (1985) simulation strategy was to accomplish the following: (1) identify a period when the aquifer was in equilibrium, and use aquifer heads as the initial aquifer potentiometric surface; (2) perform a steady-state simulation to adjust hydrologic input and parameters until computed heads matched the field heads for the period of equilibrium; (3) use the steady-state computed heads as the initial potentiometric surface; and (4) model all stresses which had occurred on the aquifer, as well as project stresses to a future period.
-- The Evangeline and the Chicot aquifers were modeled using Groschen's (1985) conceptual model which describes the actual physical boundaries of the aquifer flow system (Figure 3).
Groschen's (1985) simulation grid for the discrete-modeled conceptual aquifer system was applied for the study area (Figure 4).
-- The steady state simulation was performed to simulate the initial potentiometric surface, and the steady-state model is calibrated to Groschen's 1901-1982 data.
Calibrated hydrologic data used for the computer model is from Groschen (1985).
Both the eastern and southern boundaries were selected because as Groschen (1985) stated, there were no corresponding physical boundaries.
Results of the simulation with the data for the calibration period (1901 to 1982) in Figure 4 using 48 by 48 simulation cells are similar to Groschen's (1985).
Comparison of the computed potentiometric surface with the low estimates of projected (1983 to 2020) pumping for Groschen's (1985) computed potentiometric surface reveals that aquifer simulations using MODFLOW are locally more sensitive to reductions of the pumping rates than Groschen's (1985) computed surface with MOC.
These results are very similar to Groschen's (1985) computed potentiometric surface.
The sensitivity analysis supports Groschen's (1985) report which states the eastern boundary can be designated as a no-flow boundary and will not contribute significant boundary effects.

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