Updates from the National Center for Water Quality...
Transcript of Updates from the National Center for Water Quality...
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Laura Johnson
Updates from the National Center for Water Quality Research at Heidelberg University
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Heidelberg Tributary Loading Program
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Forecasting western Lake Erie HABs using spring loading from the Maumee River
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Maumee River Period of Record
*see www.lakeeriealgae.com for more on why
Lowest annual TP load since 2001
Lowest annual DRP load since 2000
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Thoughts on how to track progressMaumee River, spring load
Load = FWMC * DischargeFWMC is the slope
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The March through July discharge and P loading drives HAB severity
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Western Lake Erie Harmful Algal Bloom forecast 2016
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Identifying the best strategy to reduce phosphorus loads to Lake Erie from agricultural watersheds
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Heidelberg Tributary Loading Program
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Blanchard RiverSeneca County
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Blanchard Event summary
*new additional objective?
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Evaluating the 4R Nutrient Stewardship Concept and Certification Program in the Western Lake Erie Basin
Lead PI: Kevin King, USDA-ARSFunding: 4R Research Fund
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Maumee River P loads vary with discharge indicating strong hydrologic control on runoff
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Maumee River dissolved P export is chemostatic- indicating a large source present
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Maumee River dissolved P export is chemostatic- indicating a large source present
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Chronic edaphic losses are prevalent
2012
2014
Honey Creek 2012-2015
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Chronic edaphic losses are prevalent
2012
2013
2014
2015
Honey Creek 2012-2015
Indicates a large source in soils
2016
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Chronic edaphic losses are prevalent
2012
2013
2014
2015
Honey Creek 2012-2015
Indicates a large source in soils
2016
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Opening the Black Box of Nutrient Processing in a Great Lakes Coastal Wetland
Lead PI: Lauren Kinsman-Costello at Kent State UniversityFunded by Ohio Sea Grant
• Survey of sediment characterization
• In depth biogeochemistry (P fractionation, denitrification)
• Core incubation experiment
New upcoming project in Sandusky Bay
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Heidelberg Tributary Loading Program – Current Sponsors
Sponsors of Current Research Projects
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Questions?
For more information visit: http://www. NCWQR.orgOr contact me at [email protected]
http://www.facebook.com/NCWQR
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Maumee at Waterville 2016flow-weighted mean concentration
0.23 0.05
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Dissolved P across Lake Erie watersheds
5y avg
2016
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Instances of acute runoff are easy to spotHoney Creek in Fall 2011