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<br /> <br /> <br />Urban development of a <br />causes faster and larger <br />runoff from ra1n 0" <br />increasmg flood problems <br />stream areas. <br /> <br />watershed <br />amounts of <br />snowmelt, <br />1n down- <br /> <br />a greater share of <br />the consequences <br />development. <br /> <br />responsibility for <br />of floodplain <br /> <br />. Incorporating concern <br />values into decisions <br />plain development and <br />flood loss reduction. <br /> <br />for natural <br />about flood- <br />projects for <br /> <br />5 <br /> <br />.. <br />~ 4 <br />lU <br /> <br />o <br />Q <br /> <br />- <br />o 3 <br />.. <br />c <br />o <br /> <br />:E <br /> <br />c 2 <br /> <br />.. <br />.. <br />.. <br />.. <br />o 1 <br />..J <br /> <br />o <br />1900 <br /> <br />1920 <br /> <br />1940 <br /> <br /> <br />Little remains of this river's natural <br />values. Attention to environmental <br />values 1S now a key part of design- <br />ing flood control structures. <br /> <br />Advantages of <br />Floodplain Management <br /> <br />Effective <br />programs result <br />in us e of land <br />provide general <br /> <br />floodplain management <br />in improved efficiency <br />and water resources and <br />benefits to all govern- <br /> <br />r.:.0~ <br />\0;'-;..0' <br />-,)f,,0; <br />\-,)~.... <br />\\\'f\a.\e2./ <br />ES _- <br />-- <br /> <br />SOURCES: u.s. WATER RESOURCES COUNCIL AND NWS <br /> <br />1960 <br /> <br />1980 <br /> <br />2000 <br /> <br />Year <br /> <br />TREND OF AVERAGE ANNUAL FLOOD LOSSES <br /> <br />22 <br /> <br />j <br /> <br />