| Extent | |
| University of Maryland | |
| PLM Ecological Component | 50 yrs |
| Economic Component | |
| River Estuary Ecosystem | multi-yrs |
| River Box Model | 10 yrs |
| US EPA Chesapeake Bay Program | |
| Airshed (RADM) | |
| Watershed (HSPF) | |
| Land Use (AGCHEM) | |
| River Model | |
| Hydraulic Model | |
| Estuary | |
| 3-D Hydrodynamic | |
| Water Quality | |
| SAV and Living Resources | |
| COmplexity And STressors in Estuarine Systems (COASTES) | |
| Watershed Model | |
| 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) | 5 yrs |
| Estuarine Model (WASP) | 4yrs |
| Cost-Effectiveness (CPLEX) | 1 yr (any) |
| Hydrodynamic | 3 yrs |
