Chairs:  Joseph Davis Hughes, USGS Office of Groundwater, Reston, VA, United States and Karthik Ram, University of California, Berkeley, Berkeley Institute for Global Change Biology, Berkeley, CA, United States 
Primary Conveners:  Joseph Davis Hughes, USGS Office of Groundwater, Reston, VA, United States 
Co-conveners:  Christopher E Kees, US Army Corps of Engineers, Coastal and Hydraulics Laboratory, Vicksburg, MS, United States and Karthik Ram, Berkeley Institute for Global Change Biology, University of California, Berkeley, Berkeley, CA, United States 
OSPA Liaisons:  Karthik Ram, University of California, Berkeley, Berkeley Institute for Global Change Biology, Berkeley, CA, United States 
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				A New Object-Oriented MODFLOW Framework for Coupling Multiple Hydrologic Models
			
			
			
				
					Christian Langevin, U.S. Geological Survey, Reston, VA, United States, Joseph Davis Hughes, USGS, Florida Water Science Center, Lutz, FL, United States, Sorab M Panday, GSI Environmental Inc., Houston, TX, United States, Edward R Banta, USGS Colorado Water Science Center Denver, Denver, CO, United States and Richard G Niswonger, USGS Nevada Water Science Center, Carson City, NV, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				The Clawpack Community of Codes
			
			
			
				
					Kyle T Mandli, Columbia University of New York, Palisades, NY, United States, Randall J LeVeque, University of Washington, Seattle, WA, United States, David Ketcheson, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia and Aron Jamil Ahmadia, US Army Corps of Engineers, Jacksonville, FL, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				OpenGeoSys: Performance-Oriented Computational Methods for Numerical Modeling of Flow in Large Hydrogeological Systems
			
			
			
				
					Dmitri Naumov1, Thomas Fischer1, Norbert Böttcher2, Norihiro Watanabe1, Marc Walther3, Karsten Rink1, Lars Bilke4, Haibing Shao1 and Olaf Kolditz5, (1)Helmholtz Centre for Environmental Research UFZ Leipzig, Leipzig, Germany, (2)Helmholtz-Zentrum für Umweltforschung - UFZ, Leipzig, Germany, (3)Dresden University of Technology, Dresden, Germany, (4)Helmholtz Centre for Environmental Research, Leipzig, Germany, (5)Helmholtz Center UFZ, Leipzig, Germany
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Modeling Multiphase Coastal and Hydraulic Processes in an Interactive Python Environment with the Open Source Proteus Toolkit
			
			
			
				
					Christopher E Kees1, Matthew W Farthing2, Aron Jamil Ahmadia1, Roham Bakhtyar3 and Cass T Miller4, (1)Coastal and Hydraulics Laboratory, Vicksburg, MS, United States, (2)US Army Corps of Engineers, Vicksburg, MS, United States, (3)US Army Corps of Engineers, Coastal and Hydraulics Laboratory, Jacksonville, FL, United States, (4)University of North Carolina at Chapel Hill, Chapel Hill, NC, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Amanzi: An Open-Source Multi-process Simulator for Environmental Applications
			
			
			
				
					John D Moulton1, Sergi Molins2, Jeffrey N Johnson3, Ethan Coon1, Konstantin Lipnikov1, Marc Day2 and Erin Barker4, (1)Los Alamos National Laboratory, Los Alamos, NM, United States, (2)Lawrence Berkeley National Laboratory, Berkeley, CA, United States, (3)Lawrence Berkeley National Lab, Oakland, CA, United States, (4)Pacific Northwest National Laboratory, Richland, WA, United States
				
			
			
			
		
	 
 
	
	
		
			
		
	
	
	
	
	
		
 
 
	
	
	
		
			
				Automated model integration at source code level: An approach for implementing models into the NASA Land Information System
			
			
			
				
					Shugong Wang1,2, Christa D Peters-Lidard2, David M Mocko1,2, Sujay Kumar1,2, Grey S Nearing1,2, Kristi R Arsenault1,2 and James V Geiger2, (1)SAIC, Greenbelt, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States