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Generalized maximum‐likelihood generalized extreme‐value quantile estimators for hydrologic data

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Martins, Eduardo S., Stedinger, Jery R.·2000·Water Resources Research

Abstract

The three‐parameter generalized extreme‐value (GEV) distribution has found wide application for describing annual floods, rainfall, wind speeds, wave heights, snow depths, and other maxima. Previous studies show that small‐sample maximum‐likelihood estimators (MLE) of parameters are unstable and recommend L moment estimators. More recent research shows that method of moments quantile estimators have for −0.25 < κ < 0.30 smaller root‐mean‐square error than L moments and MLEs. Examination of the behavior of MLEs in small samples demonstrates that absurd values of the GEV‐shape parameter κ can be generated. Use of a Bayesian prior distribution to restrict κ values to a statistically/physically reasonable range in a generalized maximum likelihood (GML) analysis eliminates this problem. In our examples the GML estimator did substantially better than moment and L moment quantile estimators for − 0.4 ≤ κ ≤ 0.

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Metadata

Authors
Martins, E. S., & Stedinger, J. R.
Venue
Water Resources Research
Published
2000-03
Volume
36
Issue
3
Pages
737-744
ISSN
  • 0043-1397 (ISSN-L)
  • 1944-7973
OpenAlex
W2087406343
Cited by
687
References
20
FWCI
9.48
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Generalized maximum‐likelihood generalized extreme‐value quantile estimators for hydrologic data. https://app.cochat.ai/papers/10.1029/1999wr900330
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Martins, E. S., & Stedinger, J. R. (2000). Generalized maximum‐likelihood generalized extreme‐value quantile estimators for hydrologic data. Water Resources Research. https://doi.org/10.1029/1999wr900330

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