US. Geological Survey South Atlantic Water Science Center
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i April 28-29, 2015 - Conference Website - http://www.gawrc.org/ Sponsors Conference Staff AWRA, UGA Student Chapter Rob McDowell, Warnell School of Forestry Resources, UGA Joseph W. Jones Ecological Research Center Robert Bahn, Warnell School of Forestry Resources, UGA Warnell School of Forestry and Natural Resources, UGA Jenny Yearwood, Warnell School of Forestry Resources, UGA US Geological Survey Carson Pruitt, UGA Graduate Student GA Water Resources Institute, Georgia Instit. of Technology River Basin Center, Athens, GA Conference Student Assistants Lauren Cameron Steering Committee Carson Pruitt Deatre Denion, Georgia Dept. of Community Affairs Ridwan Bhuiyan Todd Edwards, Assoc. County Commissioners of Georgia Laura Marie Early Catherine Fleming, Georgia Municipal Association Andrew Bailey Carrie Fowler, GA Soil and Water Conservation Commission Robert Sowah Steve Golladay, Jones Ecological Research Center Tiffany Eberhard Alice Keyes, One Hundred Miles Kristin Kraseski Linda MacGregor, Georgia Environmental Finance Authority Matt Cahalan Russ Pennington, Georgia EPD Chandler Lipham Jon Radtke, Coca Cola North America Laura Keys Ron Shipman, Georgia Power Joel Martin Katherine Zitsch, Atlanta Regional Commission Shannon Bonney Katie Brownson Technical Planning Committee Randi Butler Clark Alexander, Skidaway Institute of Oceanography Matt Carroll John Bergstrom, UGA Ag. and Applied Economics Alan Coats Jason Christian, UGA College of Engineering James Deemy Laurie Fowler, UGA Odum School of Ecology Stephanie Fulton Aris Georgakakos, Georgia Institute of Technology Khalil Lezzaik Chuck Hopkinson, Georgia Sea Grant Program Todd Miller Brian Hughes, US Geological Survey Richard Milligan Mark Masters, Flint River Planning and Policy Center Rosemary Pearson-Clarke David Radcliffe, UGA Crop and Soil Sciences Rachel Rotz Todd Rasmussen, Warnell School of Forestry Sam Santoso Mark Risse, Georgia Marine Extension Service Natalia Shim Susan Varlamoff, UGA College of Ag. and Environmental Sci. John Spencer Seth Wenger, UGA River Basin Center Justin Vining Seth Younger Link to Full Proceedings http://www.gawrc.org/2015proceedings.html ii History of the Georgia Water Conference Dates and Proceedings Resources Conference Hatcher, K.J. (ed.), Proceedings of the 1989 Georgia Water Resources Conference, ISBN: 0-935835-01-6, LOC## The Georgia Water Resources Conference has been held bi- 89-84389, 245 pages, May 16-17, 1989. ennially since May 1989. The inaugural conference included Hatcher, K.J. (ed.), Proceedings of the 1991 Georgia Water 76 oral presentations and nine posters, with an increasing Resources Conference, ISBN: 0-935835-02-4, LOC# number of participants and attendees at every succeeding 91-70247, 356 pages, March 19-20, 1991. conference; this year’s conference had 167 submissions for Hatcher, K.J. (ed.), Proceedings of the 1993 Georgia Water oral presentations and 32 poster submissions. Each confer- Resources Conference, ISBN: 0-935835-03-2, LOC# ence has also seen new opportunities for workshops and 92-76060, 412 pages, April 20-21, 1993. training sessions. The steering committee includes represent- Hatcher, K.J. (ed.), Proceedings of the 1995 Georgia Water atives of the conference sponsors: U.S. Geological Survey, Resources Conference, ISBN: 0-935835-04-0, LOC# Georgia Department of Natural Resources, Natural Resources 95-68015, 412 pages, April 11-12, 1995. Conservation Service, University of Georgia, and Georgia In- Hatcher, K.J. (ed.), Proceedings of the 1997 Georgia Water stitute of Technology - Georgia Water Resources Institute Resources Conference, ISBN: 0-935835-05-9, LOC# (GWRI). The co-sponsors include federal and state agencies, 97-71355, 550 pages, March 20-22, 1997. professional associations, and citizen organizations. Hatcher, K.J. (ed.), Proceedings of the 1999 Georgia Water Resources Conference, ISBN: 0-935835-06-7, LOC# The idea for the first Georgia Water Resources Conference 99-61857, 604 pages, March 30-31, 1999. came from discussions of Dr. Robert Pierce, Alec Little, and Hatcher, K.J. (ed.), Proceedings of the 2001 Georgia Water Kathy Hatcher, and stemmed from an initial statewide water Resources Conference, ISBN: 0-935835-07-5, LOC# conference led by Dr. Ram Arora (GSU) in 1984. The steering 2001087837, 793 pages, March 26-27, 2001. committee for that first conference was composed of Jeffrey Hatcher, K.J. (ed.), Proceedings of the 2003 Georgia Water Armbruster (USGS), Kathy Hatcher (UGA), Vernon Henry Resources Conference, ISBN: 0-935835-08-3, LOC# (GSU), Jim Kundell (UGA), Alec Little (UGA), Bob Pierce 2003104494, 900 pages, April 23-24, 2003. (USGS), Harold Reheis (GA EPD), and Bernd Kahn (GaTech- Hatcher, K.J. (ed.), Proceedings of the 2005 Georgia Water GWRI). The GWRI, through USGS, provided grants for the first Resources Conference, ISBN: 0-935835-09-1, LOC# and subsequent conferences to prepare the proceedings, 2005926249, 931 pages, April 25-27, 2005. which were edited by Kathy Hatcher. The complete set of Rasmussen, T.C., G.D. Carroll and A.P. Georgakakos (eds.), conference proceedings (1989-2007) is available online at Proceedings of the 2007 Georgia Water Resources www.gwri.gatech.edu. Conference, ISBN: 0-9794100-0-2, 633 pages, March 27-29, 2007. Since its inception, the goal of the Georgia Water Resources Carroll, G.D. (ed.), Proceedings of the 2009 Georgia Water Conference has been to provide an open forum for the dis- Resources Conference, ISBN: 0-9794100-1-0, 636 cussion of current water policies, research, projects, and wa- pages, April 27-29, 2009. ter management in Georgia. Papers on topics related to wa- Carroll, G.D. (ed.), Proceedings of the 2011 Georgia Water ter policies, legislation, research, on-going studies, technical Resources Conference, ISBN: 0-9794100-2-9, April innovations, issues and concerns, current situation and 11-13, 2011. trends, new approaches, management programs, data and GWRC 2013 Proceedings information, education, public participation, institutional and http://www.gwri.gatech.edu/conferences financial arrangements, history, culture, future needs and solutions, and other topics related to water management have been encouraged and actively solicited. This collaborative effort by water professionals has led to the advancement of water science and management in the state by providing a neutral and open forum for diverse perspec- tives to be presented and discussed. iii Table of Contents: Special Events ............................................................................................................................................. vii Exhibitors ...................................................................................................................................................... 1 Concurrent Oral Presentation Session Abstracts ............................................................................................. 3 Poster Abstracts ........................................................................................................................................... 56 Author Index ................................................................................................................................................ 67 “The Water Conference” .............................................................................................................................. 68 Schedule at a Glance: Tuesday, April 28 Registration: 7:30 – 9:30 am Concurrent Sessions 1: 8:30 – 10:00 am Plenary Session: 10:30 – 12:00 pm, Masters Hall “Water and Climate: Findings of the US National Climate Assessment” Speaker: Kathy Jacobs, Director, Center for Climate Adaptation Science and Solutions, University of Arizona Moderator: Dr. Laurie Fowler Luncheon Speaker: 12:00 – 1:15 pm Adam Sowatzka, King & Spalding “The Role of Environmental Law in the Protection of Water Resources - Current Issues and Trends" Concurrent Sessions 2: 1:30 – 3:00 pm Poster Session: 3:30 – 5:00 pm Evening Social Event: 5:30 – 7:30 pm Reception at Odum School of Ecology — see map on page vii Wednesday, April 29 Registration: 7:30 – 9:30 am Concurrent Sessions 3 and 4: 8:30 – 12:00 pm Luncheon Speaker: 12:00 – 1:15 pm Bruce Karas, Coca-Cola North America Group: “Coca-Cola’s Water Stewardship Journey” Concurrent Sessions 5: 1:30 – 3:00 pm DAY 1, Tuesday April 28, 2015 Track 1 Track 2 Track 3 Track 4 Track 5 Track 6 Time Climate Change Urban Water Hydrologic Resilient Water Floodplain and Stream Habitat and Coastal Quality and NPS Monitoring, Data, Management Flood Risk and Aquatic Issues Room K and Tools Room L Assessment Chemistry Masters Hall (2nd Floor) Press Box (2nd Floor) Room F/G Room R (5th Floor) (2nd Floor) (2nd Floor) 7:30 – 9:30 Conference Registration 1.1 Climate 2.1 Green 3.1 Modeling & 4.1 Upper Flint 5.1 6.1 Habitat and Infrastructure Tools I drought in‐stream resiliency conditions I Eric J. Byrne D. Kim Nathalie Smith Floodplain Morning Mapping Session Duncan Hughes Patrick McMahon Paul McCormick Panel Discussion: Panel Discussion: Workshop 8:30 – 10:00 Stephanie Benfield Donald P. Rainey David Manning Ben Emanuel Matthew Waters GaEPD Floodplain Laurie Fowler Lee Pope Mgmt. Program Katharine Jacobs Julie Kaplan Kristin A. Kraseski Mike Thomas Courtney Holt Gordon Rogers Glen Behrend Feng Jiang Beatriz Villegas 10:00 – 10:30 Morning Break Plenary Session in Masters Hall: Plenary Water and Climate: Findings of the US National Climate Assessment 10:30 – 12:00 Speaker: Kathy Jacobs,