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| Content Provider | ACM Digital Library |
|---|---|
| Author | Simons, Daryl B. Spronk, Brent E. Li, Ruh-Ming |
| Abstract | Due to increasing interest in water resource planning, many computer models have been developed to simulate rainfall-runoff relationships. A useful model for predicting this response from watershed and river systems should meet the following criteria: (1) Spatial resolution should be flexible. Management plans and activities are often limited to small watersheds, however, many watersheds are large and often encompass complete river basins or sub-basins. Consequently, the spatial resolution should accommodate both small watersheds and complete river systems. (2) Methodology should be widely applicable. Although model parameters may be area specific, the model should provide a general cause-effect relationship between management practice and watershed response. (3) Sensitivity to management activities should be included in model development. It must be possible to represent management activities and simulate the resulting system response. A computer model to simulate rainfall-runoff response from large watersheds was developed. In this model, a large watershed is divided into response units consisting of analytical infiltration and water routing routines. Each geometrical component of the large watershed is represented as an “open book” or Wooding plane watershed. Hydrographs simulated by each of these units is combined by a numerical kinematic wave channel routing program to form the total basin response. Channel routing combined with spatially locating each response unit and timing the entry of hydrographs from response units to the channel constitute the linkage program. Only the basic physical processes of interception, infiltration, and water routing involved in the rainfall-runoff relationship are considered. |
| Starting Page | 621 |
| Ending Page | 629 |
| 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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