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<br /> <br /> n~EE <br />Table 3.2, Characteristic analysis of water and salt budget models. <br />Reference Constituents Major assumptionCs) Input data Time CoImEnt Modal <br />m:xleled in salinity m:xlel requireIIalts increment Application <br />Hill, R. W. et TIJS Salt quantities leaving the soil T.DS data for IIDI1thly Soil-salt process is sirnu- Bear River <br />al. 1973 profile were estinated by inflow/out- lated in a gross marmer. Basin, Utah <br /> attaching the soil effluent flow stream:;. The m:xlel essentially pro- <br /> concentration to any deep vided a link between the <br /> percolation water. determined quality of applied water <br /> from the soil noisture system. and subsurface return flow <br /> Deep percolation salt and water quality. <br /> were routed through the same <br /> delay net:trorlc before appearing in <br /> the groundwater system. <br /> Salt concentration in soil <br /> solution CTIJS) is estimated by <br /> an accounting process at the <br /> end of each rode! time period, <br /> considering the salt fran <br /> weathering as well. <br /> "--.. <br />Hyatt et al. TIJS Salt balance exists within Salinity CTIJS) IIDI1thly Salt loading fran sedi- Upper Colorado <br /> 1970 each subbasin. data associated rrent is not represented River Basin <br /> Deep percolation water perco- with stream flows. <br /> lating thrcugh the groundwater diversions, returns. <br />'" basin asSUlIles a salt load by <br /> the groundwater concentrations. <br /> As with the hydrologic system, <br /> the input functions to the <br /> salinity system within an area <br /> are acted upon by the routing <br /> and storage functions of the <br /> system. <br /> Because dissolved solids are <br /> now degradable, the cootinuity <br /> of mass principle also applies <br /> to dynamics of flCM' within the <br /> salinity systan. <br /> Salt content in the ungaged <br /> canponent of stream flow bas <br /> constant concentration. <br />Jensen, A. R. TIJS Ionic canposition of 1'nS is All the flow IIDI1thl y The m:xlel predicts in- Colorado River <br /> 1976 constant over all IIDI1ths and quantities and the stream salinity based on <br /> all tributaries. or that no respective TDS con- statistical analysis. <br /> chemical reactions or precipi- centration. <br /> tation occur. ('IDS is taken <br /> to be a conservative substance). <br />