water resources challenges in illinois. on children your children are not your children. they are...
TRANSCRIPT
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Water Resources Water Resources Challenges in IllinoisChallenges in Illinois
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On Children Your children are not your children.They are the sons and daughters of Life's longing for itself.They come through you but not from you,And though they are with you yet they belong not to you.
You may give them your love but not your thoughts, For they have their own thoughts.You may house their bodies but not their souls,For their souls dwell in the house of tomorrow, which you cannot visit, not even in your dreams.
You may strive to be like them, but seek not to make them like you.For life goes not backward nor tarries with yesterday.
You are the bows from which your childrenas living arrows are sent forth.
Kahlil Gibran
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The world depends
on water . . .
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If all the earth’s water were fit into a gallon jug, the available fresh water would be equal to just over a tablespoon, less than 0.5% of the total
Source: National Geographic Special Edition: Water: The Power, Promise, and Turmoil of North America's Fresh Water (Volume 184, Number 5A)
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Future challenges
Goldewijk (2008)(http://www.grida.no/publications/rr/food-crisis/)
Jenkins and Ferrier, 2009(http://images.pennnet.com/articles/wwi/cap/cap_water%20climate%2001.gif
)
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Climate ChangeClimate Change
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Climate change
Source: Davis (2010), Science
Source: IPCC (2007)
Source: http://www.whrc.org/resources/primer_fundamentals.html
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Potential Impacts of Climate Change
Source: Stern Review, 2008 (http://maps.grida.no/go/graphic/projected-impacts-of-climate-change)
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Sea Level Rise and water resourceso Global average sea level will rise
between 0.3 and 2.9 feet (0.09 to 0.88 meters) in the next century.
o Increasing temperatures are likely to lead to changes in precipitation.
Extreme Stormso Climate change has the potential to
alter the prevalence and severity of extremes such as heat waves, cold waves, storms, floods and droughts.
(Source: IPCC, 2001)
Potential Impacts of Climate Change
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Ecosystems and Biodiversityo Climate change has the
potential to alter ecosystems and the many resources and services they provide to each other and to society.
Health o Extreme temperatures (hot or
cold) can directly lead to loss of life, while climate-related disturbances in ecological systems, such as changes in the range of disease-carrying insects, can impact the incidence of infectious diseases.
Potential Impacts of Climate Change
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Agriculture and Food Supplyo Agriculture is
highly sensitive to climate variability and weather extremes.
Global Economic Activityo The economic effects of
climate change could be as high as 20% of global GDP each year. (Stern, 2007)
Potential Impacts of Climate Change
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Vulnerabilities of water resources
Observational records and climate projections provide abundant evidence that freshwater resources are vulnerable and have the potential to be strongly impacted by climate change, with wide-ranging consequences for human societies and ecosystems. (IPCC, 2008)
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Water QualityWater Quality
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HYPOXIA
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HYPOXIAhttp://the-mound-of-sound.blogspot.com/2013/08/how-agri-business-is-poisoning-our.html
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Extent of Gulf Hypoxia, 2010
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N. Rabalais, LUMCON
AREA, GULF OF MEXICO HYPOXIC ZONE
Long term Average
Action Plan Goal
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Nutrient contributions to the Gulf, by State
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1849-1850, 1855 Congress passes Swamp
Land Acts
Illinois 1,460,164 acres
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A swamp at the mountain's base,
Pollutes all that has yet been gained;
To drain this pestiferous place,
Is still the goal to be attained.
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Estimates of prairie acreage, 1820 and 1976, for counties in east-central Illinois
Source: Changing Illinois Environment: Critical Trends, 1994.
1820 1976
Ford 297,100 6.4
McLean 669,800 5.0
Piatt 254,000 0.0
Champaign 592,300 1.0
Vermillion 449,500 4.1
Edgar 257,600 0.0
Douglas 223,100 1.0
1820 1976
Ford 297,100 6.4
McLean 669,800 5.0
Piatt 254,000 0.0
Champaign 592,300 1.0
Vermillion 449,500 4.1
Edgar 257,600 0.0
Douglas 223,100 1.0
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Wetland Values and Functions
Flood Flow Storage and Attenuation Recreation
Fish and Shellfish Habitat Uniqueness/Heritage
Groundwater Recharge/Discharge Wildlife Habitat
Production Export (Nutrient) Visual Quality/Aesthetics
Nutrient Removal/Transformation Educational/Scientific Value
Threatened or Endangered Species Habitat
Sediment/Toxicant/Pathogen Retention
Sediment/Shoreline Stabilization
http://www.utahwatersheds.com/resources/PPT/Wetland_Deliniation.pptx
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1985, 1990 Congress Passes Food Security
Act and Amendments with “Swampbuster” Provisions
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Swampbuster Provisions
http://www.utahwatersheds.com/resources/PPT/Wetland_Deliniation.pptx
The Wetland Conservation provision (Swampbuster) of the 1985 and 1990 farm bills requires all agricultural producers to protect the wetlands on the farms they own or operate if they want to be eligible for USDA farm program benefits. Producers will not be eligible if they plant an agricultural commodity on a converted wetland that was converted by drainage, leveling, or any other means after December 23, 1985, or convert a wetland for the purpose of or to make agricultural commodity production possible after November 28, 1990.
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Restoration of Flood Restoration of Flood Plains and WetlandsPlains and Wetlands
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Wetlands can be used for recreation and wildlife habitat
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W/W Ratio (%)
0.57 2.16 2.25
Nitrate Removal
(%)28 68 78
Crumpton, Kovacic, Hey, Kostel
Potential of Restored and Constructed Wetlands to Reduce Nutrient Exportfrom Agricultural Watersheds in the Corn Belt
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Self-sustaining Self-sustaining DitchesDitches
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Compound Channels
Natural channels often have a main channel and an overbank section.
Main Channel
Overbank Section
Ward
Uniform Open Channel Flow
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Hansen, Wilson, Magner, NieberGeomorphic Characteristics of Drainage Ditches in Southern
Minnesota, and the concept of a Two-Stage Ditch Design
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Hansen, Wilson, Magner, NieberGeomorphic Characteristics of Drainage Ditches in Southern
Minnesota, and the concept of a Two-Stage Ditch Design
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Drainage System Drainage System LayoutLayout
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System System Layout Layout
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90.0 ft
91.5 ft
93.0 ft
94.5 ft
96.0 ft.
90.0 ft
91.5 ft
93.0 ft
94.5 ft
96.0 ft.
Optimized for Drainage Water ManagementOptimized for Cost of Installation
90.0 ft
91.5 ft
93.0 ft
94.5 ft
96.0 ft.
90.0 ft
91.5 ft
93.0 ft
94.5 ft
96.0 ft.
Optimized for Drainage Water ManagementOptimized for Cost of Installation
System LayoutSystem Layout
Cost Differential: $50/acreCost Differential: $50/acre
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Invasive SpeciesInvasive Species
5 invasive species 5 invasive species (3 animals, 2 plants)(3 animals, 2 plants)