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2018-08-08_PERMIT FILE - C1982056 (18)
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2018-08-08_PERMIT FILE - C1982056 (18)
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Last modified
9/17/2018 8:54:16 AM
Creation date
9/17/2018 8:51:13 AM
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DRMS Permit Index
Permit No
C1982056
IBM Index Class Name
Permit File
Doc Date
8/8/2018
Section_Exhibit Name
EXHIBIT 13 GROUND WATER MODEL DOCUMENTATION
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D
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,• _~^' `~orrriv@'r'civ'r- AIa <br />.p166 <br />.mt3 <br />.mb8 <br />.pn1 <br />7.0 WATBAL Program User_g Model Des_criQtion <br />I <br />~ ~ 7.1 Qverv_;gw <br />~ WATBAL is an empirical model for simulation of streamflow <br />quantity and quality in a network system for a given drainage <br />~~ area or region. The model contains two modules: WATBALC and <br />~ WATBALP. WATBALC is an water-balance accounting program which <br />performs the steamflow computations. It can be optionally used <br />~ to calibrate the available hydrological data for subsequent <br />prediction made calculations using WATBALP. WATBALP is a <br />prediction program which uses the calibration data produced by <br />~ WATBALC and other mine inflow related data supplied by the user <br />~ eo assess future streamflow quality and quantity in the network <br />• system. <br />In the WATBAL model (both WATBALC and WATHALY), monitoring <br />~ stations that <br />considered to <br />of a stream rn <br />"begin" node, <br />downstream of <br />have data on streamflow and/or water quality are <br />be nodes on the network. The first node upstream <br />etwork is called a "begin" node. If a node is a <br />it has no node upstream from it. The last node <br />a stream network is called an "end" node. If a <br />~ node is an "end" nodr, it has no node downstream from it. In <br />~ this model, a stream network can have several 'begin' nodes but <br />only one 'end" node. In its present form, the model can simulate <br />~ a stream network of up to 50 nodes. <br />~ Presently, the WATBAL model can perform a node-to-node water <br />balance quantity and quality analyses. The analysis results <br />~• include tabulation of input data, computed values and the <br />diFferences of these two. For the computed values, the user carp <br />Ex. 13-1 <br />
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