Rutgers New Jersey Agricultural Experiment Station [The New Jersey Water Resources Research Institute]

Diurnal (Diel) Cycling of Chemical Constituents in Surface Water and Related Media—Scientific and Regulatory Considerations

NJDEP Building 401 East State Street, Trenton, NJ
December 12, 2008

9:00   Welcome— Kimberly Cenno, NJDEP, DWM
9:05   Introduction—Julia Barringer, USGS, NJ Water Science Center

Which Constituents Cycle and Why
9:10   Diel Processes in Streams: OverviewChris Gammons, Department of Geological Engineering, Montana Tech of the University of Montana
9:40   Diel Cycles: Arsenic and MetalsDavid Nimick, USGS MT Water Science Center
10:00   Diel Cycling of NutrientsChris Gammons

10:20   Break

10:40   Diel Patterns of Organic Matter Transport in a Pennsylvania Piedmont StreamLouis A. Kaplan, with David C. Richardson, J. Denis Newbold, and Anthony K. Aufdenkampe, Stroud Water Research Center
11:10   Review and Audience Input: “What are Important Issues and Implications for Watershed Studies?”—Julia Barringer, moderator—speakers and attendees

Case Studies
11:20   Diel Metal Cycles: Temporal Variability in Alkaline StreamsDavid Nimick
11:40   Diel Processes in Low-pH StreamsChris Gammons

12:00   Lunch

Case Studies--continued
1:00   Diurnal Cycling of Persistent Organic Pollutants in the AtmosphereLisa A. Rodenburg, Department of Environmental Science, Rutgers University
1:30   Arsenic, Metals and Nutrients in the Wallkill River, New Jersey: Natural and Human-Induced CyclesJulia L. Barringer     

Why Regulators and Scientists Need to Know About Diurnal Cycles  
1:50   Sources and Sinks of Dissolved Oxygen Concentrations in Surface Water Streams and Principal Factors Affecting its Diurnal Fluctuation: A Closer Look at Diurnal DO Sampling Requirements for TMDL DevelopmentMarzooq Alebus, NJDEP, DWM

2:20   Break

2:40   Diel Metal Cycles: Toxicity ConsiderationsDavid Nimick  
3:00   Continuous Ambient Water Temperatures and Diurnal Dissolved Oxygen: Data and Trends Assessment—Paul Burt, NJDEP, BFW&BM with an introduction by Kevin Berry, NJDEP, WM&S
3:15   Turning Data into Information for Resources Protection; Examples of Volunteer EffortsDanielle Donkersloot, NJDEP, BFW&BM
3:30   Monitoring Constituents that Cycle: Developing Appropriate Sampling Strategies and Avoiding Mistakes— Julia Barringer, moderator—speakers and attendees

4:00   End


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