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C1A GRID CONFIGURATION AND TIME INTEGRATION MODE SELECTION

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* IS2TIM: 0 THREE-TIME LEVEL INTEGRATION

*              1 TWO-TIME LEVEL INTEGRATION

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* IGRIDH: NOT USED

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* IGRIDV: 0 STANDARD SIGMA VERTICAL GRID OR SINGLE LAYER DEPTH AVERAGE

*              1 SIGMA-ZED (SGZ) VERTICAL LAYERING ALLOWING VARYING LAYERS FOR EACH CELL (DSI)

*              2 SIGMA-ZED (SGZ) VERTICAL GRID USING UNIFORM LAYER THICKENSS AT SURFACE (DSI)

* SGZMin: MINIMUM NUMBER OF LAYERS FOR SIGMA-ZED

* SGZHPDelta: TYPICAL RISE OF WATER ABOVE THE INITIAL CONDITIONS WHEN IGRIDV>0 (M)

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C1A IS2TIM  IGRIDH  IGRIDV  SGZMin  SGZHPDelta

             1        0            0            5             0