Evaluation of Instream Flow Methodologies for Fisheries in Nebraska

.................................................... 8 INTRODUCTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9 METHODS ...................................................... 10 Tennant method ............................................. 10 Modified Tennant method ..................................... 11 Single Cross-Section method .................................. 11 Incremental method .......................................... 13 IFG4 (Instream Flow Group 4) ............................. 14 Water Surface Profile (WSP) .............................. 15 RESULTS AND RECOMMENDATIONS ............................. 17 Nine Mile Creek .............................................. 17 Republican River ............................................. 21 Elkhorn River ................................................ 24 North Loup River ............................................. 26 Cedar River ................................................. 26 Snake River ................................................. 29 Little Blue ................................................... 35 West Fork Big Blue ........................................... 36 North Fork Big Nemaha ....................................... 37 Long Pine ................................................... 39 SUMMARy ...................................................... 43 REFERENCES .................................................. 45 APPENDICES ................................................... 46