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IN Lid <br />t 243994 244196 <br />244100 244131 <br />244131 244181 <br />244151 244181 <br />~ 244181 - 244196 <br />244196 000000 <br />In the above illustration, 09244196 i5 the "end' node of the <br />~ network. Because Lhe "end" node has no immediate downstream <br />node, zero !"000000") is entered for the corresponding LN. <br />Note that the node indentification codes Contained in array <br />~ IN are in ascending order. Any node number not in ascending <br />~ order in the IN column will ba reported as an error and will <br />abort the execution of WATBALC. In addition, all node ID's in <br />~ array IN must be unique. This is because WATBALC does not allows <br />~ "divergent" node branching. <br />• The control of data inputs is set by the ICH array. Each <br />node has its awn set of the ICH array containing four elements. <br />The water-quality variables affected by ICH are described below: <br />~ ICH element Variables affected File <br />ICH(!) 5C, DS, TSS, 5S QCOR <br />ICH(2) Ca, Mg, Na, K, HC03, 504, C1, DS SCCOR <br />~ ICH(3) Ca, Mg, Na, K, HC03, SO4, CI D$COR <br />~ ICH(4) Fe, Mn TSSCOR <br />~ Each ICH element has a value of either 0, 1 or• 2. <br />If ICH is equal to O, then the concentrations for the <br />associated water-quality variables will be obtained from the <br />~• immediate upstream node. If there are multiple upstream nodes, a <br />flow weighted average concentration from the upstream nodes will <br />Esc. 13-6 <br />