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<br />" <br /> <br />000321 <br /> <br />Draft - Do Not Cite <br /> <br />August 2003 <br /> <br />CONTENTS <br /> <br />NOT AnON ............. ..................... ...' ...... ....... .... ...... .......... .............. ......... ... ........... ............. .... ...... vi <br /> <br />3 RESULTS ............................................................................................................................. ...18 <br /> <br />3.1 Maximum And MinimUIIl Flows ., ......... ........... ....... ............... ......... .......... ..... ................18 <br /> <br />3.2 Flow Exceedance ..................................................................................... ...................... .18 <br /> <br />3.3 Sediment Transport...... -............................................................ ...................................... .24 <br /> <br />3.4 Habitat Maintenance Thresholds ..... ............ .......... .......... ....... ..... .................... ...... .........28 <br /> <br />4 CONCLUSIONS.......................................................................................... 0...................... .... .38 <br /> <br />5 REFEREN'CES. ......... ............ ..... ... ..... ... ...... ................... .......... ......... ....... ............. .......... .... ....43 <br /> <br />TABLES <br /> <br />1 Characteristics of release scenarios evaluated. ............... ....................... ....... .......... ................3 <br /> <br />2 FWS flow recommendations for the Gunnison River near Grand Jmction, Colorado ........15 <br /> <br />3 Annual peak flows for the six release scenarios at the USGS gage on the <br />Gunnison River near Delta, Colorado................ ........... .......'.......... ....... ........ ........................19 <br /> <br />4 Annual peak flows for the six release scenarios at the USGS gage on the <br />Gunnison River near Grand Jmction, Colorado...... .... ................. ......... ................. ..............20 <br /> <br />5 Annual minimUIIl flows for the six release scenarios at the USGS gage <br />on the Gunnison River near Delta, Colorado................................... ......... .............. ..............21 <br /> <br />6 Annual minimUIIl flows for the six release scenarios at the USGS gage <br />on the Gunnison River near Grand Junction, Colorado........................................................22 <br /> <br />7 Annual sediment load for release scenarios as calculated using the <br />Pitlick et al. (1999) mode1............... ............ ................................... ......... .................... ...........25 <br /> <br />8 Annual sediment load for release scenarios as calculated using the <br />Van Steeter and Pitlick (1998) modeL..... ............. ......................... ............. ......... ................26 <br /> <br />9 Number of days/year flows would exceed half-bankfull flow in the <br />Gunnison River at the Grand Junction gage for six flow scenarios......................................29 <br /> <br />10 NUIIlber of days/year flows would exceed bankfull flow in the <br />Gunnison River at the Grand Junction Gage for six flow scenarios.....................................31 <br /> <br />iii <br />