Water balance models in one-month-ahead streamflow forecasting
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Abstract
Techniques are tested that incorporate information from water balance models in making 1-month-ahead streamflow forecasts in New Jersey. The results are compared to those based on simple autoregressive time series models. The relative performance of the models is dependent on the month of the year in question. The water balance models are most useful for forecasts of April and May flows. For the stations in northern New Jersey, the April and May forecasts were made in order of decreasing reliability using the water-balance-based approaches, using the historical monthly means, and using simple autoregressive models. The water balance models were useful to a lesser extent for forecasts during the fall months. For the rest of the year the improvements in forecasts over those obtained using the simpler autoregressive models were either very small or the simpler models provided better forecasts. When using the water balance models, monthly corrections for bias are found to improve minimum mean-square-error forecasts as well as to improve estimates of the forecast conditional distributions.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Water balance models in one-month-ahead streamflow forecasting |
| Series title | Water Resources Research |
| DOI | 10.1029/WR021i004p00597 |
| Volume | 21 |
| Issue | 4 |
| Year Published | 1985 |
| Language | English |
| Publisher | American Geophysical Union |
| Description | 10 p. |
| First page | 597 |
| Last page | 606 |
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