FLOOD02337

• County: Statewide
• Community: State
• Stream Name: South Platte River
• Basin: South Platte
• Title: Geomorphic Assessment at Surveyed Cross-sections South Platte River
• Date: 6/1/1996
• Prepared For: UDFCD
• Prepared By: Michael Stevens
• Floodplain - Doc Type: Floodplain Report/Masterplan

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TABLE 5. Notes on cross-sectional bank erosion for Table 4.

Cross
Section

Note

1.
3.
4.
5.
6.
7.
12.

West bank has eroded 12 ft since 1994.

East bank eroded 25 ft in 9 years.

The base of west bank is eroding but not the top.

East bank eroded 62 ft between 1986 and 1995. Then it was riprapped.

The erosion is just reaching the Cross Section, migrating from upstream.

East bank eroded lOft in 9 years.

The east bank is bare gravel, indicating erosion, but the surveys do not
indicate any.

13.

14.

18.

21.

22.

23.

24.

25.

26.

27.

29.

49.

East bank had eroded 11 ft in the previous three years, now it is stable.

The east bank was stable until 1995, then a small channel was eroded in it.

West bank had slight erosion of 5 ft in the last 5 years.

West bank eroded 5 ft between 1986 and 1988, but is stable since.

East bank eroded 4 ft between 1986 and 1991, but is stable since.

Cross Section 23 is under construction. It was a gravel pit in 1986.

East bank was reconstructed between 1986 and 1990, widening the river.

West bank has eroded 25 feet in 9 years.

West bank eroded 8 ft in 9 years.

East bank was remade since 1986, widening the river about 100 ft.

East bank was eroding slowly in 1986, but has been stable since.

East bank has stable top but eroding base.