7630

• UCREFRP Catalog Number: 7630
• Author: Pucherelli, M. J., R. C. Clark and R. D. Williams.
• Title: Mapping Backwater Habitat on the Green River as Related to the Operation of Flaming Gorge Dam Using Remote Sensing and GIS.
• USFW Year: 1990.
• USFW - Doc Type: Report No. R-90-18,
• Copyright Material: NO

Table 1. - Green River backwater number, area, and average
size under seven flows at the Island Park site
Aow (m3 Is)
Backwater descriptors 142 71 55 53 46 45 37
Size class (m~
<20 6 0 8 4 5 9 11
>20<200 22 22 26 22 26 32 29
>200<500 6 5 7 6 6 6 3
>500<1000 6. 4 2 4 3 4
>1000 0 1 2 2 3 6 5
Number of backwaters 40 32 45 38 41 56 52
Backwatersjkm 4.4 3.5 4.9 4.2 4.5 6.1 5.7
Total area (m~ 7,859 8,575 11,160 12.131 13,349 20,070 22,153
Area (m~ 857 935 1,217 1,323 1,456 2,188 2.415
Average size (m~ 196 268 248 319 326 358 426

Table 2. - Green River backwater number, area, and average
size under seven flows at the Jensen site
Aow (m3 Is)
Backwater descriptors 142 71 55 53 46 45 37
Size class (m~
<20 4 3 7 11 3 6
>20<200 20 27 27 29 22 23 27
>200<500 5 6 8 12 10 5 12
>500< 1000 1 3 3 1 4 4 10
>1000 2 1 3 5 3 8 4
Number of backwaters 32 40 48 58 42 46 54
Backwaters/km 2.9 3.6 4.4 5.2 3.8 4.2 4.8
Total area (m~ 7.716 7.328 10.944 12.747 15,014 20,569 19,039
Area (m~ 695 660 986 1,148 1.352 1,853 1.715
Average size (m~ 241 183 228 220 357 447 353

7