A Watershed Year: Anatomy of the Iowa Floods of 2008

Index

Index “Plate” indicates a page in the unnumbered color section. agriculture: and 1993 floods, 140; and 2008 floods, 132, 140–141, 149–150, 156–157, 160; and bio-fuels, 220–221; and buffer strips, 222–223; and conservation structures, 150–153; and flood resistance, 84, 216–224, 236–237; row crops and flooding, xv, 77–85, 195, 215–217, 219–220, 223, 236–237. See also Corn Belt; ecological services lands; perennial cover; runoff; soils; water pollution air quality. See health hazards archaeological sites, 123–129 bio-retention structures. See cities and towns Cedar Rapids, Iowa, xiii–xiv, xviii; and 1993 flood, 14–15; and 2008 flood discharges and stages, 14–15, 19–21, 23, 48, 56–57, 63–64, 66, 132, 185, plate 14; and 2008 flood events, 26–28, 45–50, 55–59, 113, 132–133, 157–160, 203; historic floods, 45, 48, 63, 66; precipitation, 112, 115. See also Cedar River; Linn County Cedar River, 14, 97; and 2008 flood, 21, 26–28, 55, 63–65; watershed, xiii–xiv, 27, 91–92, 105, plates 1 and 12. See also Cedar Rapids; floods of 1993; floods of 2008; streamgage stations cities and towns: and bio-retention structures, 210–211; and flood causation, 87–93; and flood control, 91, 93, 205–207, 210–212; and permeable pavement, 207–210. See 248 index also Cedar Rapids; Coralville; Iowa City; soils; University of Iowa; water pollution climate change, 111–115, 223 Conservation Reserve Program (CRP), 195, 217 Coralville, Iowa, xix; and 2008 flood, 29, 64, 98, 108, 134–135. See also Coralville dam and reservoir; floods of 2008; Iowa City; Iowa River; Johnson County Coralville dam and reservoir, xiii–xiv, xix, 95–109; and 1993 flood, 13, 99–100; and 2008 flood, 13, 29, 35–36, 40, 75– 76, 97–102; and downstream flooding, 37, 60, 63–64, 67, 96–98, 100, 106–109, 187–188; outflow during flooding, 95, 98–100, 103, 105–106; structure and operation, 95–97, 102–107. See also floods of 2008; Iowa City; Marengo Corn Belt, xiv–xv, 216, 235–237 Des Moines, Iowa. See Polk County ecological effects of flooding. See nature ecological services lands, 223–224, 237–238 flood control, 181–184; and 100-year floodplain, 185–190, plate 10; barriers, 182, 185, 194–195, 199–203, 229–230, 232–233; sandbagging, 32, 43, 134– 136, 200–203. See also agriculture; flood resistance; cities and towns; Coralville dam and reservoir; floodplain, management; floods, approaches to management; Iowa City; perennial cover; watershed; wetlands flood walls. See flood control, barriers floodplain: defined, xvi; development, 104, 119–120, 186–187, 189; forests, 173–174, 176; management, 66–68, 106–109, 182, 185–190, 195, 202–203, 230, 232–233, 236, plate 11. See also archaeological sites; flood control; floods; nature floods, 7–10, 14–17, 73–75; 100-year and 500-year defined, 61–62, 69, 189; approaches to management of, 84, 185–190, 193–197, 227–233, 235–238; benefits of, 120, 123–125, 171–173; defined, xvi–xvii; flash, 9, 29, 89, 93, 205–206; forecasting process, 27, 53–59, 100–101, plate 2; frequency estimation, 62–68, 189; insurance, 186–187, 189, 230; maps, 59, 186–189; policies and regulations, 186–189, 194–197, 205, 210–212. See also agriculture; Cedar Rapids; cities and towns; climate change; Coralville dam and reservoir; flood control; floods of 1993; floods of 2008; Iowa City; prairies; precipitation; river discharge; soils; streamgage stations; water pollution; wetlands floods of 1993, 10–17; 100-year and 500year designations, 65–66; causes of, 227–229; damages and costs of, 40, 123–125, 139–140, 144, 228; federal response to, 229–233; size and extent of, 11, 14, 16, 37. See also Cedar Rapids; Coralville dam and reservoir; Galloway report; Iowa City; Johnson County; nature floods of 2008, 10–16, 23, 227, plate 14; 100-year and 500-year designations, 62–67; causes of, 20–29, 91–92, 115, 238, plates 12 and 13; damages and costs of, xi, 44, 131–145, 149–151, 157–160; forecasts, 55–59; maps, xviii–xix, plates 9 and 10; size and extent of, xii, 11, 14, 16, 19–20, 49, 100, 132, 134. See also agriculture; Cedar index 249 Rapids; Coralville; Coralville dam and reservoir; hydrographs; Iowa City; Marengo; nature; precipitation; runoff; University of Iowa Galloway report, 227, 229–232 health hazards: airborne, 163–170 hydrographs, 4, 13, 15, 21–23, 57, plate...