---
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caption: 'Trend magnitude (triangle size) and direction (green = increasing trend, brown = decreasing trend) of annual flood magnitude from the 1920s through 2008. Flooding in local areas can be affected by multiple factors, including land-use change, dams, and diversions of water for use. Most significant are increasing trends for floods in Midwest and Northeast, and a decreasing trend in the Southwest.(Figure source: Peterson et al. 2013<tbib>e15600d0-290f-44e2-9b58-9ffd295ee6d2</tbib>).'
chapter:
  description: ~
  display_name: 'Chapter 3: Water Resources'
  doi: 10.7930/J0G44N6T
  identifier: water-resources
  number: 3
  report_identifier: nca3
  sort_key: 30
  title: Water Resources
  url: http://nca2014.globalchange.gov/report/sectors/water
chapter_identifier: water-resources
cited_by: []
contributors: []
create_dt: 2013-11-06T11:23:00
description: 'Trend magnitude (triangle size) and direction (green = increasing trend, brown = decreasing trend) of annual flood magnitude from the 1920s through 2008. Flooding in local areas can be affected by multiple factors, including land-use change, dams, and diversions of water for use. Most significant are increasing trends for floods in Midwest and Northeast, and a decreasing trend in the Southwest.(Figure source: Peterson et al. 2013<tbib>e15600d0-290f-44e2-9b58-9ffd295ee6d2</tbib>).'
display_name: '3.5: Trends in Flood Magnitude'
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title: Trends in Flood Magnitude
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url: http://nca2014.globalchange.gov/highlights/report-findings/extreme-weather/graphics/trends-flood-magnitude
usage_limits: Copyright protected. Obtain permission from the original figure source.