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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />EARLY ICE DEVELOPMENT (LATE DECEMBER) <br /> <br /> <br /> <br />6 meters <br /> <br />SOUD ICE (Highly Fractured) <br /> <br />4 <br /> <br /> <br />OPEN WATER <br /> <br /> <br />o <br /> <br />2 <br /> <br />NORMAL WATER <br />SURFACE aEVATION <br /> <br />STREAM CHANNa <br /> <br />MAXIMUM ICE DEVELOPMENT (JANUARY-FEBRUARY) <br /> <br />SAGGING ICE NEAR SHORE <br /> <br /> <br />'THICKEST ICE NEAR SHORE <br />SEEPAGE OVER ICE NEAR SHORE <br /> <br />6 meters <br /> <br />4 <br /> <br />OPEN WATER <br /> <br />2 <br /> <br />o <br /> <br />NORMAL WATER <br />SURFACE ElEVATION <br /> <br />2'-9' DIFFERENCE BETWEEN <br />NORMAl WATER SURFACE <br />ELEVATION AND SOUD ICE <br /> <br />STREAM CHANNa <br /> <br />SATURATED WI1H WATER <br />WITH VELOCmES RANGING <br />FROM 0.0-0.05 fps <br /> <br />FOllOWING ICE BREAK UP (LATE FEBRUARY) <br /> <br />6 meters <br /> <br />EXPOSED VERTICAL WALL <br />OF JAM AND FRAZll ICE <br /> <br /> <br />OPEN WATER <br /> <br /> <br />4 <br /> <br />2 <br /> <br />o <br /> <br />NORMAL WATER <br />SURFACE ELEVATION <br /> <br />STREAM CHANNa <br /> <br />Figure 9. <br /> <br />Hypothetical cross-section of ice development on the Green River <br />between RM 305 and 316, from December to late February, <br />1988, (from Valdez and Masslich 1989). <br />