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EARLY ICE DEVELOPMENT (LATE DECEMBER) <br />6 meters <br />SOLJD ICE (Highly Fractured) <br />4 <br />2 <br />OPEN WATER <br />NORMAL WATER 0 <br />SURFACE ELEVATION <br />STREAM CHANNEL <br />MAXIMUM ICE DEVELOPMENT (JANUARY-FEBRUARY) <br />SAGGING ICE NEAR SHORE <br />THICKE57 ICE NEAR SHORE <br />SEEPAGE OvcR 1CE NEAR SHORE ~ JAM ICE (Highy Fractured) ~ 6 meters <br />_-- / -- - // ~ 4 <br />- - FRAZIL ICE . - ~ OPEN WATER FItAaL ICE - - <br />__.ic~cl - _ _______ _ ~ 2 <br />~V-'t`OCI~iES Fr~OM 0. 3.0 fps <br />NORMAL N'AicR 0 <br />SURFACE ELEVATION „ir EAM C!~iAtJNEL SATUP.ATEJ Wfi}i WAicR <br />2'-9' DIFrERENCE i3_~WEEN WITH V<LOCPIES RANGING <br />NORMAL WAT'cR SUP,FACE FROM 0.0-0.05 fps <br />EL~rVAT10N AND SOL1D ICE <br />FOLLOWING ICE BREAK UP (LATE FEBRUARY) <br /> 6 meters <br /> EXPOSED ~cRT1CAL WALL <br /> OF JAM AND FRAZIL ICE <br />i ii ~ ~ ' <br />_ _ <br />~ r- 4 <br /> <br />- - - - - - - - - - - - - - - - - I <br />~ 2 <br /> OPEN WATER <br />NORMAL WATER O <br />SURFACE E'.=VAT10N STREAM CHANNEL <br />Figure 9. Hypothetical cross-section of Ice development on the Green River between RM 305 and 316, from <br />December to late February, 1988, (from Valdez and Masslich 1989). <br />16 <br />