The Iowa Watershed Approach Antonio Arenas Assistant Research - - PowerPoint PPT Presentation

A vision for a more resilient Iowa

The Iowa Watershed Approach

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Antonio Arenas

Assistant Research Engineer, Iowa Flood Center Antonio-arenasamado@uiowa.edu

Ashlee Johannes

IWA Flood Resilience Coordinator Ashlee-johannes@uiowa.edu

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A vision for a more resilient Iowa

The Iowa Watershed Approach

A vision for a more resilient Iowa

The Iowa Watershed Approach

Kickoff meeting follow-up

A vision for a more resilient Iowa

The Iowa Watershed Approach

Highlights of Flood Resilience Survey Results

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WHEN ASKED ON THE SURVEY…

Indicate your level of agreement with the statement: “My community is flood resilient.” Responses varied between feeling pretty resilient and not resilient In your experience, where in your community is flooding likely to occur?

• City of Independence
• Smaller communities with less available money
• Neighborhoods with low resiliency

Who else do you think should be involved in the IWA project or in resilience activities who were not present at this meeting?

• Ag groups
• County engineers

A vision for a more resilient Iowa

The Iowa Watershed Approach

A vision for a more resilient Iowa

The Iowa Watershed Approach

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Kickoff meeting follow-up

A vision for a more resilient Iowa

The Iowa Watershed Approach

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Kickoff meeting follow-up

A vision for a more resilient Iowa

The Iowa Watershed Approach

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Average annual precipitation. Estimates are based on the 30-year annual average (1981-2010).

A vision for a more resilient Iowa

The Iowa Watershed Approach

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A vision for a more resilient Iowa

The Iowa Watershed Approach

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Source: Sanford, Ward E., and David L. Selnick. "Estimation of evapotranspiration across the conterminous United States using a regression with climate and land‐cover Data1." JAWRA Journal of the American Water Resources Association 49.1 (2013): 217-230.

A vision for a more resilient Iowa

The Iowa Watershed Approach

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10 20 30 40 50 60 1934 1942 1950 1958 1966 1974 1982 1990 1998 2006 2014 Rain (inches) Upper Wapsipinicon

A vision for a more resilient Iowa

The Iowa Watershed Approach

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0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 1926 1936 1946 1956 1966 1976 1986 1996 2006 2016 Streamflow / Rain (-) Anamosa Independence

A vision for a more resilient Iowa

The Iowa Watershed Approach

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0.5 0.6 0.7 0.8 1926 1936 1946 1956 1966 1976 1986 1996 2006 2016 Baseflow / Streamflow (-) Anamosa Independence

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Near Tripoli (15) At Independence (15) At Anamosa (21.5) 18.50 ft on 07/21/1999 22.35 ft on 05/18/1999 26.18 ft on 06/13/2008 18.24 ft on 06/09/2008 21.11 ft on 07/18/1968 23.71 ft on 07/26/2010 17.26 ft on 07/01/1969 20.30 ft on 08/26/1990 22.90 ft on 07/21/1968 17.22 ft on 09/23/2016 19.36 ft on 09/25/2016 22.76 ft on 09/27/2016 15.97 ft on 05/23/2004 18.86 ft on 06/11/2008 22.73 ft on 05/26/2004 Historic Crests

A vision for a more resilient Iowa

The Iowa Watershed Approach

A vision for a more resilient Iowa

The Iowa Watershed Approach

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A vision for a more resilient Iowa

The Iowa Watershed Approach

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A vision for a more resilient Iowa

The Iowa Watershed Approach

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A vision for a more resilient Iowa

The Iowa Watershed Approach

A vision for a more resilient Iowa

The Iowa Watershed Approach

Iowa Flood Center The University of Iowa 100 C. Maxwell Stanley Hydraulics Laboratory Iowa City, IA 52242 319-384-1729 www.iowafloodcenter.org

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Kickoff meeting follow-up

A vision for a more resilient Iowa

The Iowa Watershed Approach

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