ARSP Features

BOSS ARSP™ (Acres Reservoir Simulation Program), developed by Acres International Corporation and being marketed and supported by BOSS International, is a powerful multi-purpose, multi-reservoir simulation model. This state-of-the-art application can analyze water resource systems ranging from simple single-reservoirs to complex systems containing a large number of interconnected lakes and reservoirs. BOSS ARSP is useful for studying water resource system operating policies, allowing the engineer to quickly assess trade-offs among conflicting demands from multiple water users and water usage concerns.

The software can be used for both long-range planning and day-to-day operations. BOSS ARSP runs on IBM and compatible personal computers. Both imperial and metric (SI) units are supported.

Advanced Graphics

BOSS ARSP provides many time-based graphs, including reservoir volumes, elevations, and trajectories; power plant energy production and overspill; total system storage and energy; and routed channel flows, allowing you to quickly interpret the simulation results and evaluate the effectiveness of modeled operating policies. The user may plot one simulated run against another to see how a change in operating policy affects system operations for the same hydrologic conditions. In addition, the user may plot reservoir elevation against the rule curve, to see how actual operation compares with what was desired to be achieved.

The ARSP Model

ARSP is a general multi-purpose, multi-reservoir simulation program which determines the optimal allocation of water for each time-step. This model can represent any water resource system incorporating natural inflows, precipitation, evaporation, and evapotranspiration as input data. Operational features that can be represented include storage and release of water by reservoirs, physical discharge controls at reservoir outlets, water flow in channels (e.g., streams, power channels, diversion channels, and irrigation channels), consumptive demands (e.g., agricultural, industrial, and municipal), hydropower releases, and losses in channels. These operational features can be specified as steady-state or time-varying.

The ARSP model is capable of simulating a wide range of operating policies governing the allocation of water in a multi-purpose, multi-reservoir system. Operating policies are defined by prioritizing water demands. Water resource system allocation problems involving hydropower generation, flood control, water quality, domestic and industrial water supply, irrigation demands, low-flow augmentation, environmental requirements, fish and wildlife concerns, inter-basin diversion requirements, recreation interests, and navigation requirements can be modeled. Monthly, weekly, daily, hourly, and user-definable timesteps can be used.

The software automatically assigns upper and lower bounds and cost functions to the network flow paths, based upon the physical description and operating priorities specified by the user. In addition, ARSP’s ease of use allows the user to quickly make structural and/or operating policy changes through simple modification of the input data.

Broad Modeling Applicability

ARSP is a powerful and flexible water resource network model with extensive applicability to a wide range of water resource problems. ARSP has been used extensively for both long-range planning and daily operations of water resource systems for North America as well as worldwide, including:

  • Ministry of Energy and Regional Development of Kenya
  • Central Water Commission of India
  • Electricity Generating Authority of Thailand
  • Volta River Authority of Ghana
  • Electric Light and Power Authority of Ethiopia
  • Bay d’Espoir for Newfoundland and Labrador Hydro
  • Owen Falls for Uganda Electricity Board
  • Karnali for Nepal Ministry of Water Resources
  • Tabasara River Basin for Panama
  • Oswego Basin for Buffalo District Corps of Engineers