Effective record length for the T-year event
Journal of Hydrology
By: Gary D. Tasker
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Abstract
The effect of serial dependence on the reliability of an estimate of the T-yr. event is of importance in hydrology because design decisions are based upon the estimate. In this paper the reliability of estimates of the T-yr. event from two common distributions is given as a function of number of observations and lag-one serial correlation coefficient for T = 2, 10, 20, 50, and 100 yr. A lag-one autoregressive model is assumed with either a normal or Pearson Type-III disturbance term. Results indicate that, if observations are serially correlated, the effective record length should be used to estimate the discharge associated with the expected exceedance probability. ?? 1983.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Effective record length for the T-year event |
| Series title | Journal of Hydrology |
| Volume | 64 |
| Issue | 1-4 |
| Year Published | 1983 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Journal of Hydrology |
| First page | 39 |
| Last page | 47 |
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