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| Content Provider | ACM Digital Library |
|---|---|
| Author | Huggins, Larry F. Beasley, David B. |
| Abstract | In recent years, a greatly increased emphasis has been placed on improving and maintaining the quality of our national water resources. Agencies and individuals from both within and without the various levels of government are seeking information concerning the effects that land use, management, and conservation practices or structures might have on the quality and quantity of water from both agricultural and non-agricultural watersheds. ANSWERS (Areal Nonpoint Source Watershed Environment Response Simulation) was developed in an effort to supply the desired information described above for primarily agricultural watersheds. The simulation consists of a hydrologic model and a sediment detachment/transport model along with several routing schemes necessary to describe the movement of water in overland, subsurface, and channel flow phases. This simulation, unlike many large-scale watershed simulations, uses distributed (rather than lumped) parameters and is event (rather than long-term) oriented. These operational features generally yield a better understanding of the hydrologic and water quality interactions involved in a watershed by allowing the user to physically describe those processes at every point within the catchment during the period when the processes are most active, i.e., during an event. The concepts, as well as the basic mathematical model used in ANSWERS, are presented. General data needs and user considerations are also listed. In addition, the usefulness of ANSWERS as a planning tool is demonstrated by simulating several management schemes for a largely agricultural watershed in northeastern Indiana. |
| Starting Page | 507 |
| Ending Page | 515 |
| Page Count | 9 |
| File Format | |
| Language | English |
| Publisher | Association for Computing Machinery (ACM) |
| Publisher Date | 1978-12-01 |
| Access Restriction | Subscribed |
| Content Type | Text |
| Resource Type | Article |
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