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Floodplain

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connectivity, phosphorus is better able to be cycled, and sediments and nutrients are more readily retained. Water in freshwater streams ends up in either short-term storage in plants or algae or long-term in sediments. Wet/dry cycling within the floodplain has a big impact on phosphorus availability because it alters water level, redox state, pH, and physical properties of minerals. Dry soils that were previously inundated have reduced availability of phosphorus and increased affinity for obtaining phosphorus. Human floodplain alterations also impact the phosphorus cycle. Particulate phosphorus and soluble reactive phosphorus (SRP) can contribute to algal blooms and toxicity in waterways when the nitrogen-to-phosphorus ratios are altered farther upstream. In areas where the phosphorus load is primarily particulate phosphorus, like the Mississippi River, the most effective ways of removing phosphorus upstream are sedimentation, soil accretion, and burial. In basins where SRP is the primary form of phosphorus, biological uptake in floodplain forests is the best way of removing nutrients. Phosphorus can transform between SRP and particulate phosphorus depending on ambient conditions or processes like decomposition, biological uptake, redoximorphic release, and sedimentation and accretion. In either phosphorus form, floodplain forests are beneficial as phosphorus sinks, and the human-caused disconnect between floodplains and rivers exacerbates the phosphorus overload.
554: 84: 38: 337: 72: 103: 2660: 259:, and in wetlands and shallow lakes of flood basins. Natural levees are ridges along river banks that form from rapid deposition from the overbank flow. Most of the suspended sand is deposited on the levees, leaving the silt and clay sediments to be deposited as floodplain mud further from the river. Levees are typically built up enough to be relatively well-drained compared with nearby wetlands, and levees in non-arid climates are often heavily vegetated. 580:
which affects oxygen availability. Floodplain soil stays aerated for long stretches of time in between flooding events, but during flooding, saturated soil can become oxygen-depleted if it stands stagnant for long enough. More soil oxygen is available at higher elevations farther from the river. Floodplain forests generally experience alternating periods of aerobic and anaerobic soil microbe activity which affects fine root development and desiccation.
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structures can be elevated or floodproofed to or above this level. In some areas without detailed study information, structures may be required to be elevated to at least two feet above the surrounding grade. Many State and local governments have, in addition, adopted floodplain construction regulations which are more restrictive than those mandated by the NFIP. The US government also sponsors flood hazard mitigation efforts to reduce flood impacts.
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very close to that of the river banks. Significant net erosion of sediments occurs only when the meander cuts into higher ground. The overall effect is that, as the river meanders, it creates a level flood plain composed mostly of point bar deposits. The rate at which the channel shifts varies greatly, with reported rates ranging from too slow to measure to as much as 2,400 feet (730 m) per year for the
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watershed upstream of the point in question can potentially affect the ability of the watershed to handle water, and thus potentially affects the levels of the periodic floods. A large shopping center and parking lot, for example, may raise the levels of 5-year, 100-year, and other floods, but the maps are rarely adjusted and are frequently rendered obsolete by subsequent development.
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these ecosystems, resulting in loss of populations and diversity and endangering the remaining fragments of the ecosystem. Flood control creates a sharper boundary between water and land than in undisturbed floodplains, reducing physical diversity. Floodplain forests protect waterways from erosion and pollution and reduce the impact of floodwaters.
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The general problem with farming – especially plough agriculture – is that it involves so much intensive labor. One form of agriculture, however, eliminates most of this labor: 'flood-retreat' (also known as décrue or recession) agriculture. In flood-retreat agriculture, seeds are generally broadcast
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In order for a flood-prone property to qualify for government-subsidized insurance, a local community must adopt an ordinance that protects the floodway and requires that new residential structures built in Special Flood Hazard Areas be elevated to at least the level of the 100-year flood. Commercial
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The biota of floodplains has high annual growth and mortality rates, which is advantageous for the rapid colonization of large areas of the floodplain. This allows them to take advantage of shifting floodplain geometry. For example, floodplain trees are fast-growing and tolerant of root disturbance.
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since the deposition builds the point bar laterally into the river channel. Erosion on the outside of the meander usually closely balances deposition on the inside so that the channel shifts in the direction of the meander without changing significantly in width. The point bar is built up to a level
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is a problem in freshwater systems. Much of the phosphorus in freshwater systems comes from municipal wastewater treatment plants and agricultural runoff. Stream connectivity controls whether phosphorus cycling is mediated by floodplain sediments or by external processes. Under conditions of stream
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of the river (the zone closest to the river bank) provides an ideal environment for many aquatic species, so the spawning season for fish often coincides with the onset of flooding. Fish must grow quickly during the flood to survive the subsequent drop in water level. As the floodwaters recede, the
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that replace much of the original ecosystem. The biozones reflect a soil moisture and oxygen gradient that in turn corresponds to a flooding frequency gradient. The primeval floodplain forests of Europe were dominated by oak (60%) elm (20%) and hornbeam (13%), but human disturbance has shifted the
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Floodplain soil composition is unique and varies widely based on microtopography. Floodplain forests have high topographic heterogeneity which creates variation in localized hydrologic conditions. Soil moisture within the upper 30 cm of the soil profile also varies widely based on microtopography
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and any adjacent areas that must be kept free of encroachments that might block flood flows or restrict storage of flood waters. Another commonly encountered term is the Special Flood Hazard Area, which is any area subject to inundation by a 100-year flood. A problem is that any alteration of the
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for biodiversity. Human destruction of floodplain ecosystems is largely a result of flood control, hydroelectric development (such as reservoirs), and conversion of floodplains to agriculture use. Transportation and waste disposal also have detrimental effects. The result is the fragmentation of
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may stand well above most of the floodplain. The alluvial ridge is topped by a channel belt formed by successive generations of channel migration and meander cutoff. At much longer intervals, the river may abandon the channel belt and build a new one at another position on the floodplain. This
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The disturbance by humans of temperate floodplain ecosystems frustrates attempts to understand their natural behavior. Tropical rivers are less impacted by humans and provide models for temperate floodplain ecosystems, which are thought to share many of their ecological attributes.
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Floodplain ecosystems have distinct biozones. In Europe, as one moves away from the river, the successive plant communities are bank vegetation (usually annuals); sedge and reeds; willow shrubs; willow-poplar forest; oak-ash forest; and broadleaf forest. Human disturbance creates
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Overbank flow takes place when the river is flooded with more water than can be accommodated by the river channel. Flow over the banks of the river deposits a thin veneer of sediments that is coarsest and thickest close to the channel. This is described as
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The quantity of sediments in a floodplain greatly exceeds the river load of sediments. Thus, floodplains are an important storage site for sediments during their transport from where they are generated to their ultimate depositional environment.
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Floodplain forests constituted 1% of the landscape of Europe in the 1800s. Much of this has been cleared by human activity, though floodplain forests have been impacted less than other kinds of forests. This makes them important
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Semiarid floodplains have a much lower species diversity. Species are adapted to alternating drought and flood. Extreme drying can destroy the ability of the floodplain ecosystem to shift to a healthy wet phase when flooded.
320:. They are characterized by considerable variability in space and time, which in turn produces some of the most species-rich of ecosystems. From the ecological perspective, the most distinctive aspect of floodplains is the 244:, since the deposits build upwards. In undisturbed river systems, overbank flow is frequent, typically occurring every one to two years, regardless of climate or topography. Sedimentation rates for a three-day flood of the 327:
Floods bring in detrital material rich in nutrients and release nutrients from dry soil as it is flooded. The decomposition of terrestrial plants submerged by the floodwaters adds to the nutrient supply. The flooded
491:(FIRM), which depicts various flood risks for a community. The FIRM typically focuses on the delineation of the 100-year flood inundation area, also known within the NFIP as the Special Flood Hazard Area. 252:
in 1993 found average sedimentation rates in the floodplain of between 0.57 and 1.0 kg/m. Higher rates were found on the levees (4 kg/m or more) and on low-lying areas (1.6 kg/m).
511:, have been completely relocated to remove them from the floodplain. Other smaller-scale mitigation efforts include acquiring and demolishing flood-prone buildings or flood-proofing them. 1335:
development, Jessica Karpilo holds a B. A. in Geography from the University of Denver She has written on the subjects of sustainable; Karpilo, maps our editorial process Jessica.
605:(POP) deposition. Proper understanding of the distribution of soil contaminants is difficult because of high variation in microtopography and soil texture within floodplains. 304:
becomes great enough that overbank flows become infrequent, the river is said to have abandoned its floodplain. Portions of the abandoned floodplain may be preserved as
2143:"Which Compounds Contribute Most to Elevated Soil Pollution and the Corresponding Health Risks in Floodplains in the Headwater Areas of the Central European Watershed?" 494:
Where a detailed study of a waterway has been done, the 100-year floodplain will also include the floodway, the critical portion of the floodplain which includes the
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Crevasses are formed by breakout events from the main river channel. The river bank fails, and floodwaters scour a channel. Sediments from the crevasse spread out as
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Wherever the river meanders, the flowing water erodes the river bank on the outside of the meander. At the same time, sediments are simultaneously deposited in a
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Jarvie, Helen P.; Johnson, Laura T.; Sharpley, Andrew N.; Smith, Douglas R.; Baker, David B.; Bruulsema, Tom W.; Confesor, Remegio (January 2017).
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associated with annual floods, and so the floodplain ecosystem is defined as the part of the river valley that is regularly flooded and dried.
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littoral experiences blooms of microorganisms, while the banks of the river dry out and terrestrial plants germinate to stabilize the bank.
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in braided rivers migrate downstream through processes resembling those in point bars of meandering rivers and can build up a floodplain.
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Floodplains can form around rivers of any kind or size. Even relatively straight stretches of river are capable of producing floodplains.
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process is called avulsion and occurs at intervals of 10–1000 years. Historical avulsions leading to catastrophic flooding include the
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Hoffmann, Carl Christian; Kjaergaard, Charlotte; Uusi-Kämppä, Jaana; Hansen, Hans Christian Bruun; Kronvang, Brian (September 2009).
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Asselman, Nathalie E. M.; Middelkoop, Hans (September 1995). "Floodplain sedimentation: Quantities, patterns and processes".
757: 727: 2254:(NAIP) Data as a Hydrologic Model Input for Local Flood Plain Management. Applied Research Project, Texas State University. 1214:
Suchara, Ivan (11 January 2019). "The Impact of Floods on the Structure and Functional Processes of Floodplain Ecosystems".
2682: 2251: 2202:"Aggregation of floodplain soils based on classification principles to predict concentrations of nutrients and pollutants" 1402: 1373: 1076:
Ward, J. V.; Tockner, K.; Schiemer, F. (1999). "Biodiversity of floodplain river ecosystems: ecotones and connectivity1".
49: 1558:"Population Differentiation along a Flood Frequency Gradient: Physiological Adaptations to Flooding in Nyssa sylvatica" 449:, some of the worst natural disasters in history (measured by fatalities) have been river floods, particularly in the 1655:"Effects of Microtopography and Disturbance on Fine-Root Dynamics in Wetland Forests of Low-Order Stream Floodplains" 1050: 881: 698: 428: 279: 1040: 3921: 484: 1308:
Colloff, Matthew J.; Baldwin, Darren S. (2010). "Resilience of floodplain ecosystems in a semi-arid environment".
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Floodplains have high buffering capacity for phosphorus to prevent nutrient loss to river outputs. Phosphorus
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events cause severe economic disruption and loss of human life in the densely-populated region.
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Opportunists (such as birds) are attracted to the rich food supply provided by the flood pulse.
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Repeated flooding eventually builds up an alluvial ridge, whose natural levees and abandoned
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The extent of floodplain inundation depends partly on flood magnitude, defined by the
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Bayley, Peter B. (March 1995). "Understanding Large River: Floodplain Ecosystems".
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makeup towards ash (49%) with maple increasing to 14% and oak decreasing to 25%.
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The floodplain forests in Europe : current situations and perspectives
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Land adjacent to a water body which is flooded during periods of high water
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Sedimentology and sedimentary basins : from turbulence to tectonics
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Sedimentation from the overbank flow is concentrated on natural levees,
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since nutrients are deposited with the flood waters. This can encourage
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10.1002/1099-1646(200009/10)16:5<457::AID-RRR597>3.0.CO;2-B
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Hughes, Francine M.R. (December 1997). "Floodplain biogeomorphology".
647: – Technique for mitigating the effects of flooding on structures 3848: 3797: 3767: 3736: 3666: 3578: 3335: 3222: 3207: 3147: 3094: 3089: 2989: 2912: 2902: 2800: 2452: 2442: 2397: 1395:"44 CFR 60.3 – Flood plain management criteria for flood-prone areas" 522:, annual flooding events are a natural part of the local ecology and 290: 224: 2250:
Powell, W. Gabe. 2009. Identifying Land Use/Land Cover (LULC) Using
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Rinklebe, Jörg; Franke, Christa; Neue, Heinz-Ulrich (October 2007).
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Schönbrunner, Iris M.; Preiner, Stefan; Hein, Thomas (August 2012).
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International Journal of Environmental Research and Public Health
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Noe, Gregory B.; Hupp, Cliff R.; Rybicki, Nancy B. (2013-01-01).
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Most floodplains are formed by deposition on the inside of river
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Gravel floodplain of a glacial river near the Snow Mountains in
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De Jager, Nathan R.; Thomsen, Meredith; Yin, Yao (April 2012).
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Floodplain soils tend to be high in eco-pollutants, especially
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Jones, Robert H.; Lockaby, B. Graeme; Somers, Greg L. (1996).
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Because of regular flooding, floodplains frequently have high
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This aggradational floodplain of a small meandering stream in
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Arenberg, Mary R.; Liang, Xinqiang; Arai, Yuji (2020-10-01).
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Ferreira, Leandro Valle; Stohlgren, Thomas J. (1999-09-01).
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on the fertile silt deposited by an annual riverine flood.
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floodplain, at its confluence with the headstream of the
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Lewin, John (October 1978). "Floodplain geomorphology".
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Against the Grain: A Deep History of the Earliest States
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Progress in Physical Geography: Earth and Environment
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Progress in Physical Geography: Earth and Environment
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Germany inundated by overflow from a nearby waterway.
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(1957). 597:Environmental pollutants in floodplain soils 557:Flooding of Pampanga River floodplain after 526:, allowing for the raising of crops through 2646:List of rivers that have reversed direction 1911:Regulated Rivers: Research & Management 1872:Regulated Rivers: Research & Management 1207: 1078:Regulated Rivers: Research & Management 641: – Restoration of a river's floodplain 316:Floodplains support diverse and productive 2697: 2683: 2322: 2308: 1258: 1096: 1039:Klimo, Emil; Hager, Herbert, eds. (2001). 1038: 703: 481:Federal Emergency Management Agency (FEMA) 461:(excluding famine and epidemics), was the 2176: 2158: 2117: 1795: 1613:"Extent, Causes, and Impacts of Flooding" 1610: 1227: 797: 790:U.S. Geological Survey Professional Paper 683: 429:Learn how and when to remove this message 2267: 2001: 1461: 1004: 1000: 998: 996: 710:Kovács, János (2013). "Flood Deposits". 552: 335: 121: 101: 82: 70: 59: 36: 3296:International scale of river difficulty 1213: 14: 3935: 2091: 1555: 1264: 1115: 920: 908: 896: 871: 709: 584:Phosphorus cycling in floodplain soils 174:. The soils usually consist of clays, 2678: 2303: 993: 944: 839:Earth Surface Processes and Landforms 742: 629: – Artificially irrigated meadow 2329: 2256:http://ecommons.txstate.edu/arp/296/ 2252:National Agriculture Imagery Program 411:adding citations to reliable sources 382: 300:When the rate at which the river is 2098:Hydrology and Earth System Sciences 569: 24: 1625:10.1016/b978-0-12-424120-6.50006-7 25: 3974: 2261: 1399:LII / Legal Information Institute 1370:LII / Legal Information Institute 1216:Journal of Soil and Plant Biology 792:. Professional Paper. 282-C: 87. 514:In some floodplains, such as the 204:has led to increasing efforts to 162:is an area of land adjacent to a 2659: 2658: 2287: 2043:Journal of Environmental Quality 1953:Journal of Environmental Quality 1760:Science of the Total Environment 1462:Krumbach, A. W. (October 1959). 485:National Flood Insurance Program 387: 378: 3453:Flooded grasslands and savannas 2355:Drainage system (geomorphology) 2193: 2134: 2085: 2030: 1995: 1898: 1859: 1812: 1780:10.1016/j.scitotenv.2012.06.025 1693: 1659:The American Midland Naturalist 1646: 1604: 1549: 1494: 1468:Journal of Geophysical Research 1455: 1416: 1405:from the original on 2017-08-29 1387: 1376:from the original on 2017-08-29 1358: 1347:from the original on 2020-11-27 1328: 1144: 938: 712:Encyclopedia of Natural Hazards 693:, vol. 1. Routledge, New York. 672:from the original on 2021-06-14 398:needs additional citations for 2365:Strahler number (stream order) 2226:10.1016/j.geoderma.2007.06.001 2002:Knighton, David (2014-04-08). 1007:"Floodplain forest ecosystems" 1005:Kulhavy, Jiri; Cater, Matjaz. 865: 830: 736: 658: 457:. The worst of these, and the 13: 1: 1556:Keeley, Jon E. (March 1979). 1429:Forest Ecology and Management 720:10.1007/978-1-4020-4399-4_137 691:Encyclopedia of Geomorphology 651: 3619:Universal Soil Loss Equation 3569:Hydrological transport model 3463:Storm Water Management Model 2092:Pagano, T. C. (2014-07-17). 1441:10.1016/j.foreco.2012.01.023 603:persistent organic pollutant 211: 132:Johnsonville, South Carolina 7: 2005:Fluvial Forms and Processes 1366:"44 CFR 59.1 – Definitions" 608: 32:Floodplain (disambiguation) 10: 3979: 3123:Antecedent drainage stream 2244: 1726:10.1007/s10533-020-00696-1 1619:, Elsevier, pp. 1–7, 1287:10.1177/030913339702100402 967:10.1177/030913337800200302 666:"Definition of BOTTOMLAND" 575:Oxygen in floodplain soils 479:In the United States, the 311: 29: 3887: 3859:River valley civilization 3821: 3760: 3742:Riparian-zone restoration 3642: 3504: 3476: 3377: 3349: 3281: 3103: 2970: 2887: 2809: 2720: 2654: 2603: 2567: 2534: 2506: 2388: 2337: 2119:10.5194/hess-18-2645-2014 1845:10.1007/s10021-012-9597-0 1617:Flooding and Plant Growth 988:Wolman & Leopold 1957 933:Wolman & Leopold 1957 825:Wolman & Leopold 1957 813:Wolman & Leopold 1957 108:La Plata County, Colorado 94:across its floodplain in 3922:Countries without rivers 3897:Rivers by discharge rate 3609:Runoff model (reservoir) 3574:Infiltration (hydrology) 1611:Kozlowski, T.T. (1984), 489:Flood Insurance Rate Map 455:list of deadliest floods 3594:River Continuum Concept 3359:Agricultural wastewater 2478:River channel migration 2280:Encyclopædia Britannica 1973:10.2134/jeq2016.07.0248 1488:10.1029/JZ064i010p01587 1232:(inactive 2024-04-30). 563:Santa Rosa, Nueva Ecija 528:recessional agriculture 467:1887 Yellow River flood 280:1855 Yellow River flood 170:during periods of high 48:(on the right) and the 3917:River name etymologies 3844:Hydraulic civilization 3702:Floodplain restoration 3478:Point source pollution 3253:Sedimentary structures 2408:Bar (river morphology) 2160:10.3390/ijerph15061146 872:Leeder, M. R. (2011). 859:10.1002/esp.3290200602 639:Floodplain restoration 566: 459:worst natural disaster 345: 220:and by overbank flow. 147: 119: 99: 96:Albany County, Wyoming 80: 68: 57: 3529:Discharge (hydrology) 3491:Industrial wastewater 2972:Sedimentary processes 2590:Erosion and tectonics 2585:Degradation (geology) 2014:10.4324/9780203784662 1562:Ecological Monographs 1310:The Rangeland Journal 1229:10.33513/JSPB/1801-03 1177:10.1007/s004420050893 689:Goudie, A. S., 2004, 556: 534:, which occupies the 340:A low-lying field in 339: 284:2008 Kosi River flood 125: 105: 86: 74: 63: 40: 3634:Volumetric flow rate 3218:Riffle-pool sequence 2611:Deposition (geology) 2338:Large-scale features 2296:at Wikimedia Commons 2063:10.2134/jeq2008.0087 407:improve this article 30:For other uses, see 3808:Whitewater kayaking 3803:Whitewater canoeing 3604:Runoff curve number 3448:Flood pulse concept 2274:"Flood Plain"  2218:2007Geode.141..210R 2110:2014HESS...18.2645P 2055:2009JEnvQ..38.1942H 1965:2017JEnvQ..46..123J 1837:2013Ecosy..16...75N 1772:2012ScTEn.432..329S 1718:2020Biogc.150..257A 1574:1979EcoM...49...89K 1519:1985Ecol...66..670H 1480:1959JGR....64.1587K 1279:1997PrPG...21..501H 1169:1999Oecol.120..582F 959:1978PrPG....2..408L 935:, pp. 105–106. 923:, pp. 269–271. 899:, pp. 266–267. 851:1995ESPL...20..481A 3834:Aquatic toxicology 3747:Stream restoration 3712:Infiltration basin 3564:Hydrological model 3080:Sediment transport 2903:Estavelle/Inversac 2781:Subterranean river 2641:Sediment transport 2595:River rejuvenation 2568:Regional processes 633:Red River Floodway 567: 561:, 2020 (view from 346: 242:vertical accretion 202:risk of inundation 148: 120: 100: 81: 69: 58: 3953:Fluvial landforms 3930: 3929: 3907:Whitewater rivers 3813:Whitewater slalom 3644:River engineering 3544:Groundwater model 3505:River measurement 3433:Flood forecasting 3248:Sedimentary basin 3105:Fluvial landforms 3010:Bed material load 2786:River bifurcation 2672: 2671: 2473:River bifurcation 2292:Media related to 2023:978-1-4441-6575-3 1634:978-0-12-424120-6 1474:(10): 1587–1590. 1045:. Leiden: Brill. 827:, pp. 88–91. 815:, pp. 91–97. 759:978-0-3002-3168-7 729:978-90-481-8699-0 516:Inner Niger Delta 463:1931 China floods 439: 438: 431: 302:cutting downwards 229:lateral accretion 116:Wisconsin Glacier 16:(Redirected from 3970: 3892:Rivers by length 3727:River morphology 3629:Wetted perimeter 3534:Drainage density 3045:Headward erosion 2874:Perennial stream 2746:Blackwater river 2699: 2692: 2685: 2676: 2675: 2662: 2661: 2403:Avulsion (river) 2331:River morphology 2324: 2317: 2310: 2301: 2300: 2291: 2284: 2276: 2238: 2237: 2212:(3–4): 210–223. 2197: 2191: 2190: 2180: 2162: 2138: 2132: 2131: 2121: 2104:(7): 2645–2656. 2089: 2083: 2082: 2049:(5): 1942–1955. 2034: 2028: 2027: 1999: 1993: 1992: 1944: 1935: 1934: 1902: 1896: 1895: 1863: 1857: 1856: 1816: 1810: 1809: 1799: 1751: 1738: 1737: 1697: 1691: 1690: 1650: 1644: 1643: 1642: 1641: 1608: 1602: 1601: 1553: 1547: 1546: 1498: 1492: 1491: 1459: 1453: 1452: 1420: 1414: 1413: 1411: 1410: 1391: 1385: 1384: 1382: 1381: 1362: 1356: 1355: 1353: 1352: 1332: 1326: 1325: 1305: 1299: 1298: 1262: 1256: 1255: 1249: 1241: 1231: 1211: 1205: 1204: 1148: 1142: 1141: 1113: 1094: 1093: 1084:(1–3): 125–139. 1073: 1064: 1063: 1061: 1059: 1036: 1019: 1018: 1016: 1014: 1002: 991: 985: 979: 978: 942: 936: 930: 924: 918: 912: 906: 900: 894: 888: 887: 869: 863: 862: 834: 828: 822: 816: 810: 804: 803: 801: 781: 775: 774: 768: 766: 740: 734: 733: 707: 701: 687: 681: 680: 678: 677: 662: 590:nutrient loading 570:Floodplain soils 509:English, Indiana 434: 427: 423: 420: 414: 391: 383: 306:fluvial terraces 291:Mid-channel bars 206:control flooding 21: 3978: 3977: 3973: 3972: 3971: 3969: 3968: 3967: 3933: 3932: 3931: 3926: 3902:Drainage basins 3883: 3817: 3756: 3732:Retention basin 3692:Erosion control 3687:Detention basin 3638: 3554:Hjulström curve 3506: 3500: 3472: 3416:Non-water flood 3373: 3345: 3291:Helicoidal flow 3277: 3178:Fluvial terrace 3173:Floating island 3099: 2974: 2966: 2957:Rhythmic spring 2891: 2883: 2864:Stream gradient 2805: 2791:River ecosystem 2756:Channel pattern 2724: 2716: 2703: 2673: 2668: 2650: 2631:Helicoidal flow 2599: 2563: 2530: 2502: 2418:Channel pattern 2390:Alluvial rivers 2384: 2380:River sinuosity 2333: 2328: 2264: 2247: 2242: 2241: 2198: 2194: 2139: 2135: 2090: 2086: 2035: 2031: 2024: 2000: 1996: 1945: 1938: 1903: 1899: 1864: 1860: 1817: 1813: 1766:(10): 329–337. 1752: 1741: 1706:Biogeochemistry 1698: 1694: 1671:10.2307/2426631 1651: 1647: 1639: 1637: 1635: 1609: 1605: 1582:10.2307/1942574 1554: 1550: 1527:10.2307/1940528 1499: 1495: 1460: 1456: 1421: 1417: 1408: 1406: 1393: 1392: 1388: 1379: 1377: 1364: 1363: 1359: 1350: 1348: 1333: 1329: 1322:10.1071/RJ10015 1306: 1302: 1263: 1259: 1243: 1242: 1212: 1208: 1149: 1145: 1130:10.2307/1312554 1114: 1097: 1074: 1067: 1057: 1055: 1053: 1037: 1022: 1012: 1010: 1003: 994: 986: 982: 943: 939: 931: 927: 919: 915: 911:, pp. 267. 907: 903: 895: 891: 884: 870: 866: 835: 831: 823: 819: 811: 807: 782: 778: 764: 762: 760: 744:Scott, James C. 741: 737: 730: 708: 704: 688: 684: 675: 673: 664: 663: 659: 654: 611: 599: 586: 577: 572: 548:extreme weather 453:in China – see 435: 424: 418: 415: 404: 392: 381: 314: 257:crevasse splays 214: 144:high-water mark 142:trees show the 35: 28: 23: 22: 15: 12: 11: 5: 3976: 3966: 3965: 3960: 3955: 3950: 3945: 3928: 3927: 3925: 3924: 3919: 3914: 3909: 3904: 3899: 3894: 3888: 3885: 3884: 3882: 3881: 3876: 3871: 3866: 3861: 3856: 3851: 3846: 3841: 3836: 3831: 3825: 3823: 3819: 3818: 3816: 3815: 3810: 3805: 3800: 3795: 3793:Stone skipping 3790: 3785: 3780: 3775: 3770: 3764: 3762: 3758: 3757: 3755: 3754: 3749: 3744: 3739: 3734: 3729: 3724: 3719: 3714: 3709: 3704: 3699: 3694: 3689: 3684: 3679: 3677:Drop structure 3674: 3669: 3664: 3659: 3657:Balancing lake 3654: 3648: 3646: 3640: 3639: 3637: 3636: 3631: 3626: 3621: 3616: 3611: 3606: 3601: 3596: 3591: 3586: 3584:Playfair's law 3581: 3576: 3571: 3566: 3561: 3556: 3551: 3546: 3541: 3539:Exner equation 3536: 3531: 3526: 3524:Bradshaw model 3521: 3516: 3510: 3508: 3502: 3501: 3499: 3498: 3493: 3488: 3482: 3480: 3474: 3473: 3471: 3470: 3465: 3460: 3455: 3450: 3445: 3440: 3435: 3430: 3425: 3420: 3419: 3418: 3413: 3411:Urban flooding 3403: 3398: 3396:Crevasse splay 3393: 3391:100-year flood 3387: 3385: 3375: 3374: 3372: 3371: 3366: 3361: 3355: 3353: 3351:Surface runoff 3347: 3346: 3344: 3343: 3338: 3333: 3331:Stream capture 3328: 3323: 3318: 3313: 3308: 3303: 3298: 3293: 3287: 3285: 3279: 3278: 3276: 3275: 3270: 3265: 3260: 3255: 3250: 3245: 3243:Rock-cut basin 3240: 3235: 3230: 3225: 3220: 3215: 3210: 3205: 3200: 3195: 3190: 3185: 3180: 3175: 3170: 3165: 3160: 3155: 3150: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3109: 3107: 3101: 3100: 3098: 3097: 3092: 3087: 3085:Suspended load 3082: 3077: 3075:Secondary flow 3072: 3067: 3065:Retrogradation 3062: 3057: 3052: 3047: 3042: 3037: 3032: 3030:Dissolved load 3027: 3022: 3017: 3012: 3007: 3002: 2997: 2992: 2987: 2981: 2979: 2968: 2967: 2965: 2964: 2962:Spring horizon 2959: 2954: 2949: 2947:Mineral spring 2944: 2943: 2942: 2932: 2931: 2930: 2928:list in the US 2925: 2915: 2910: 2905: 2899: 2897: 2885: 2884: 2882: 2881: 2876: 2871: 2866: 2861: 2856: 2854:Stream channel 2851: 2846: 2841: 2836: 2831: 2826: 2821: 2815: 2813: 2807: 2806: 2804: 2803: 2798: 2793: 2788: 2783: 2778: 2776:Drainage basin 2773: 2768: 2763: 2758: 2753: 2748: 2743: 2738: 2736:Alluvial river 2732: 2730: 2718: 2717: 2702: 2701: 2694: 2687: 2679: 2670: 2669: 2667: 2666: 2655: 2652: 2651: 2649: 2648: 2643: 2638: 2636:Playfair's law 2633: 2628: 2623: 2621:Exner equation 2618: 2613: 2607: 2605: 2601: 2600: 2598: 2597: 2592: 2587: 2582: 2577: 2571: 2569: 2565: 2564: 2562: 2561: 2559:Current ripple 2556: 2551: 2546: 2540: 2538: 2532: 2531: 2529: 2528: 2523: 2518: 2512: 2510: 2504: 2503: 2501: 2500: 2495: 2490: 2488:Slip-off slope 2485: 2480: 2475: 2470: 2465: 2460: 2455: 2450: 2445: 2440: 2438:Meander cutoff 2435: 2430: 2425: 2420: 2415: 2410: 2405: 2400: 2394: 2392: 2386: 2385: 2383: 2382: 2377: 2372: 2367: 2362: 2357: 2352: 2350:Drainage basin 2347: 2345:Alluvial plain 2341: 2339: 2335: 2334: 2327: 2326: 2319: 2312: 2304: 2298: 2297: 2285: 2271:, ed. (1911). 2269:Chisholm, Hugh 2263: 2262:External links 2260: 2259: 2258: 2246: 2243: 2240: 2239: 2192: 2133: 2084: 2029: 2022: 1994: 1959:(1): 123–132. 1936: 1917:(5): 457–467. 1897: 1878:(5): 457–467. 1858: 1811: 1739: 1712:(3): 257–278. 1692: 1645: 1633: 1603: 1548: 1513:(3): 670–681. 1493: 1454: 1415: 1386: 1357: 1327: 1300: 1273:(4): 501–529. 1257: 1206: 1163:(4): 582–587. 1143: 1124:(3): 153–158. 1095: 1065: 1051: 1020: 992: 990:, p. 105. 980: 953:(3): 408–437. 937: 925: 913: 901: 889: 882: 864: 845:(6): 481–499. 829: 817: 805: 799:10.3133/pp282C 776: 758: 735: 728: 702: 682: 656: 655: 653: 650: 649: 648: 642: 636: 630: 624: 618: 615:Alluvial plain 610: 607: 598: 595: 585: 582: 576: 573: 571: 568: 559:Typhoon Quinta 530:. However, in 496:stream channel 437: 436: 395: 393: 386: 380: 377: 313: 310: 213: 210: 183:soil-fertility 26: 9: 6: 4: 3: 2: 3975: 3964: 3961: 3959: 3956: 3954: 3951: 3949: 3948:Flood control 3946: 3944: 3941: 3940: 3938: 3923: 3920: 3918: 3915: 3913: 3910: 3908: 3905: 3903: 3900: 3898: 3895: 3893: 3890: 3889: 3886: 3880: 3877: 3875: 3874:Surface water 3872: 3870: 3869:Sacred waters 3867: 3865: 3862: 3860: 3857: 3855: 3854:Riparian zone 3852: 3850: 3847: 3845: 3842: 3840: 3839:Body of water 3837: 3835: 3832: 3830: 3827: 3826: 3824: 3820: 3814: 3811: 3809: 3806: 3804: 3801: 3799: 3796: 3794: 3791: 3789: 3788:Riverboarding 3786: 3784: 3783:River surfing 3781: 3779: 3776: 3774: 3771: 3769: 3766: 3765: 3763: 3759: 3753: 3750: 3748: 3745: 3743: 3740: 3738: 3735: 3733: 3730: 3728: 3725: 3723: 3720: 3718: 3715: 3713: 3710: 3708: 3705: 3703: 3700: 3698: 3695: 3693: 3690: 3688: 3685: 3683: 3680: 3678: 3675: 3673: 3670: 3668: 3665: 3663: 3660: 3658: 3655: 3653: 3650: 3649: 3647: 3645: 3641: 3635: 3632: 3630: 3627: 3625: 3622: 3620: 3617: 3615: 3612: 3610: 3607: 3605: 3602: 3600: 3597: 3595: 3592: 3590: 3587: 3585: 3582: 3580: 3577: 3575: 3572: 3570: 3567: 3565: 3562: 3560: 3557: 3555: 3552: 3550: 3547: 3545: 3542: 3540: 3537: 3535: 3532: 3530: 3527: 3525: 3522: 3520: 3517: 3515: 3512: 3511: 3509: 3507:and modelling 3503: 3497: 3494: 3492: 3489: 3487: 3484: 3483: 3481: 3479: 3475: 3469: 3468:Return period 3466: 3464: 3461: 3459: 3456: 3454: 3451: 3449: 3446: 3444: 3441: 3439: 3436: 3434: 3431: 3429: 3428:Flood control 3426: 3424: 3423:Flood barrier 3421: 3417: 3414: 3412: 3409: 3408: 3407: 3404: 3402: 3399: 3397: 3394: 3392: 3389: 3388: 3386: 3384: 3380: 3376: 3370: 3367: 3365: 3362: 3360: 3357: 3356: 3354: 3352: 3348: 3342: 3339: 3337: 3334: 3332: 3329: 3327: 3324: 3322: 3319: 3317: 3314: 3312: 3309: 3307: 3304: 3302: 3299: 3297: 3294: 3292: 3289: 3288: 3286: 3284: 3280: 3274: 3271: 3269: 3266: 3264: 3261: 3259: 3256: 3254: 3251: 3249: 3246: 3244: 3241: 3239: 3236: 3234: 3231: 3229: 3226: 3224: 3221: 3219: 3216: 3214: 3211: 3209: 3206: 3204: 3201: 3199: 3196: 3194: 3191: 3189: 3186: 3184: 3181: 3179: 3176: 3174: 3171: 3169: 3166: 3164: 3161: 3159: 3156: 3154: 3151: 3149: 3146: 3144: 3141: 3139: 3136: 3134: 3131: 3129: 3126: 3124: 3121: 3119: 3116: 3114: 3111: 3110: 3108: 3106: 3102: 3096: 3093: 3091: 3088: 3086: 3083: 3081: 3078: 3076: 3073: 3071: 3068: 3066: 3063: 3061: 3058: 3056: 3055:Palaeochannel 3053: 3051: 3048: 3046: 3043: 3041: 3038: 3036: 3033: 3031: 3028: 3026: 3023: 3021: 3018: 3016: 3015:Granular flow 3013: 3011: 3008: 3006: 3003: 3001: 2998: 2996: 2993: 2991: 2988: 2986: 2983: 2982: 2980: 2978: 2973: 2969: 2963: 2960: 2958: 2955: 2953: 2950: 2948: 2945: 2941: 2938: 2937: 2936: 2933: 2929: 2926: 2924: 2921: 2920: 2919: 2916: 2914: 2911: 2909: 2906: 2904: 2901: 2900: 2898: 2895: 2890: 2886: 2880: 2877: 2875: 2872: 2870: 2867: 2865: 2862: 2860: 2857: 2855: 2852: 2850: 2847: 2845: 2842: 2840: 2837: 2835: 2832: 2830: 2827: 2825: 2822: 2820: 2817: 2816: 2814: 2812: 2808: 2802: 2799: 2797: 2794: 2792: 2789: 2787: 2784: 2782: 2779: 2777: 2774: 2772: 2769: 2767: 2764: 2762: 2761:Channel types 2759: 2757: 2754: 2752: 2749: 2747: 2744: 2742: 2741:Braided river 2739: 2737: 2734: 2733: 2731: 2728: 2723: 2719: 2715: 2711: 2707: 2700: 2695: 2693: 2688: 2686: 2681: 2680: 2677: 2665: 2657: 2656: 2653: 2647: 2644: 2642: 2639: 2637: 2634: 2632: 2629: 2627: 2624: 2622: 2619: 2617: 2616:Water erosion 2614: 2612: 2609: 2608: 2606: 2602: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2572: 2570: 2566: 2560: 2557: 2555: 2552: 2550: 2547: 2545: 2542: 2541: 2539: 2537: 2533: 2527: 2524: 2522: 2519: 2517: 2514: 2513: 2511: 2509: 2508:Bedrock river 2505: 2499: 2496: 2494: 2491: 2489: 2486: 2484: 2481: 2479: 2476: 2474: 2471: 2469: 2468:Riparian zone 2466: 2464: 2461: 2459: 2456: 2454: 2451: 2449: 2446: 2444: 2441: 2439: 2436: 2434: 2431: 2429: 2426: 2424: 2421: 2419: 2416: 2414: 2413:Braided river 2411: 2409: 2406: 2404: 2401: 2399: 2396: 2395: 2393: 2391: 2387: 2381: 2378: 2376: 2373: 2371: 2368: 2366: 2363: 2361: 2358: 2356: 2353: 2351: 2348: 2346: 2343: 2342: 2340: 2336: 2332: 2325: 2320: 2318: 2313: 2311: 2306: 2305: 2302: 2295: 2290: 2286: 2282: 2281: 2275: 2270: 2266: 2265: 2257: 2253: 2249: 2248: 2235: 2231: 2227: 2223: 2219: 2215: 2211: 2207: 2203: 2196: 2188: 2184: 2179: 2174: 2170: 2166: 2161: 2156: 2152: 2148: 2144: 2137: 2129: 2125: 2120: 2115: 2111: 2107: 2103: 2099: 2095: 2088: 2080: 2076: 2072: 2068: 2064: 2060: 2056: 2052: 2048: 2044: 2040: 2033: 2025: 2019: 2015: 2011: 2007: 2006: 1998: 1990: 1986: 1982: 1978: 1974: 1970: 1966: 1962: 1958: 1954: 1950: 1943: 1941: 1932: 1928: 1924: 1920: 1916: 1912: 1908: 1901: 1893: 1889: 1885: 1881: 1877: 1873: 1869: 1862: 1854: 1850: 1846: 1842: 1838: 1834: 1830: 1826: 1822: 1815: 1807: 1803: 1798: 1793: 1789: 1785: 1781: 1777: 1773: 1769: 1765: 1761: 1757: 1750: 1748: 1746: 1744: 1735: 1731: 1727: 1723: 1719: 1715: 1711: 1707: 1703: 1696: 1688: 1684: 1680: 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Index

Floodplains
Floodplain (disambiguation)

Paraná River
Paranaíba
Verde River
Panorama

Isle of Wight

Alaska

Laramie River
meanders
Albany County, Wyoming

La Plata County, Colorado
moraine
Wisconsin Glacier

Lynches River
Johnsonville, South Carolina
tupelo
cypress
high-water mark
river
flooding
discharge
silts
soil-fertility

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