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Case Study of Applying Multifractal Models for Rainfall IDF Analysis in China
Publisher: American Society of Civil Engineers
Abstract: Rainfall intensity-duration-frequency (IDF) curves are one of the most commonly used tools in water resources engineering. Two multifractal rainfall models with multifractal behavior are used to estimate IDF curves in this ...
Variance Correction Prewhitening Method for Trend Detection in Autocorrelated Data
Publisher: American Society of Civil Engineers
Abstract: Detecting trends in hydrometerological data through the commonly used Mann-Kendall test is misleading in the presence of data autocorrelation. Autocorrelation seriously interferes with type I errors and power of trend ...
Two Strategies for Avoiding Overfitting Long-Term Forecasting Models: Downsampling Predictor Fields and Shrinking Coefficients
Publisher: American Society of Civil Engineers
Abstract: Long-term hydrological forecasting based on sea surface temperature (SST) fields faces the large p and small n problem, i.e., too many potential predictors and a limited number of samples. Considering the selection ...
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