cell size (km2)
University of Maryland
PLM Ecological Component	0.04
Economic Component	0.04
River Estuary Ecosystem
River Box Model	25
US EPA Chesapeake Bay Program
Airshed (RADM)	80
Watershed (HSPF)
Land Use (AGCHEM)
River Model
Hydraulic Model
Estuary	30(avg.)
3-D Hydrodynamic
Water Quality
SAV and Living Resources
COmplexity And STressors in Estuarine Systems (COASTES)
Watershed Model	var
River Water Quality
Integrative Ecological Models
Individual-Based Fish Models
Smithsonian Environmental Research Center
Suite of Models
Maryland Office of Planning
Watershed Planning System
Maryland Department of the Environment
Watershed (HSPF)	var
Estuarine Model (WASP)	var
Cost-Effectiveness (CPLEX)	var
Hydrodynamic	1.28x10-3